400 KV-Interlock Logic Diagram_RevB

Name

Name

Date

Date

Date

Name

Name

Name

Date

Date

Date

Name

Name

A

FIRST ISSUE

REV.

Date DINESH

Name

MHB

Name

RJR

Date

06/08/2008

Date

06/08/2008

Date

06/08/2008

Name

RSD

Name

MHB

Name

RJR

Date

06/12/2006

Date

06/12/2006

Date

13/6/2006

DESCRIPTION

DRAWN

CLIENT :

Date

Name

CHECKED

SIGN.

UPDATED BASED UPON CUSTOMER'S COMMENTS

FA FC SIGN.

Date B

Name

Name

SIGN.

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

DF001

APPROVED

STATUS

ADANI POWER LIMITED 2 x 330MW THERMAL POWER PLANT MUNDRA SEZ, TUNDA, SIRACHA VILLAGE, KUTCHH DIST. GUJARAT

CONTRACT No.: PROJECT :

APL / 130001 / VJ / 967 / 07 DATED 21.11.2007

400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ FICHTNER

CONSULTANT

CONSULTING ENGINEERS (INDIA) PRIVATE LIMITED, CHENNAI

File: PG725000-

TITLE :

400 KV CONTROL & INTERLOCK LOGIC DIAGRAM AREVA T&D India Limited A-7, SECTOR-65 NOIDA - 201301

DRAWING NO.

REV.

EMI-7604PG754-4-028

B

SHEET TOTAL SHEET

001

92

DF002

REVISION

SHEET

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

A B C D E F G H

DESCRIPTION

REVISION

SHEET

I

A B C D E F G H

DESCRIPTION I

001

X X

FRONT SHEET

042

X X

CONTROL & INTERLOCK LOGIC FOR OPERATION OF EARTH SWITCHES IN ICT-1

002

X X

INDEX

043

X X

CVT SELECTION LOGIC FOR CHECK SYNC OF CIRCUIT BREAKER IN ICT-1

003

X

CONTROL LOGIC FOR LOCAL OPERATION OF ISOLATORS FROM EQP M.BOX

044

X X

INTERLOCK LOGIC FOR CLOSING OF CIRCUIT BREAKER IN ICT-1

004

X

CONTROL LOGIC FOR REMOTE OPERATION OF ISOLATORS FROM BCU

045

X X

INTERLOCK LOGIC FOR OPENING OF CIRCUIT BREAKER IN ICT-1

005

X

CONTROL LOGIC FOR REMOTE OPERATION OF ISOLATORS FROM HMI

046

X X

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN O/G LINE-3

006

X

CONTROL LOGIC FOR REMOTE OPERATION OF ISOLATORS FROM SCADA

047

X X

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN O/G LINE-3 (CONTD.)

007

X

CONTROL LOGIC FOR LOCAL OPERATION OF CKT. BKRS FROM EQP M. BOX

048

X X

CONTROL & INTERLOCK LOGIC FOR OPERATION OF EARTH SWITCHES IN O/G LINE-3

008

X

CONTROL LOGIC FOR REMOTE OPENING OF CIRCUIT BREAKERS FROM BCU/BAY CONTROL & PROTECTION PANEL *

049

X X

CVT SELECTION LOGIC FOR CHECK SYNC OF CIRCUIT BREAKER IN O/G LINE-3

008A

X

PROTECTION TRIP LOGIC FOR LINE PROTECTIONS(TYPICAL)

050

X X

INTERLOCK LOGIC FOR CLOSING OF CIRCUIT BREAKER IN O/G LINE-3

008B

X

PROTECTION TRIP LOGIC FOR TIE PROTECTIONS(TYPICAL)

051

X X

INTERLOCK LOGIC FOR OPENING OF CIRCUIT BREAKER IN O/G LINE-3

008C

X

PROTECTION TRIP LOGIC FOR GT PROTECTIONS(TYPICAL)

052

X X

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN TIE-3

008D

X

PROTECTION TRIP LOGIC FOR ICT PROTECTIONS(TYPICAL)

053

X X

CONTROL & INTERLOCK LOGIC FOR OPERATION OFEARTH SWITCHES IN TIE-3

009

X X

CONTROL LOGIC FOR REMOTE CLOSING OF CIRCUIT BREAKERS FROM BCU/ BAY CONTROL & PROTECTION PANEL *

054

X X

CVT SELECTION LOGIC FOR CHECK SYNC OF CIRCUIT BREAKER IN TIE-3

010

X

CONTROL LOGIC FOR REMOTE OPENING OF CIRCUIT BREAKERS FROM HMI *

055

X X

INTERLOCK LOGIC FOR CLOSING OF CIRCUIT BREAKER IN TIE-3

011

X X

CONTROL LOGIC FOR REMOTE CLOSING OF CIRCUIT BREAKERS FROM HMI *

056

X X

INTERLOCK LOGIC FOR OPENING OF CIRCUIT BREAKER IN TIE-3

012

X

CONTROL & INTERLOCK LOGIC FOR OPERATION OF EARTH SWITCHES IN O/G LINE 1

057

X X

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN ICT-2

013

X X

058

X X

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN ICT-2 (CONTD.)

014

X X

059

X X

CONTROL & INTERLOCK LOGIC FOR OPERATION OF EARTH SWITCHES IN ICT-2

015

X X

INTERLOCK LOGIC FOR OPERATION OF ISOLATORS IN O/G LINE-1

060

X X

CVT SELECTION LOGIC FOR CHECK SYNC OF CIRCUIT BREAKER IN ICT-2

016

X X

INTERLOCK LOGIC FOR OPERATION OF ISOLATORS IN O/G LINE-1 (CONTD)

061

X X

INTERLOCK LOGIC FOR CLOSING OF CIRCUIT BREAKER IN ICT-2

017

X X

CONTROL & INTERLOCK LOGIC FOR OPERATION OF EARTH SWITCHES IN O/G LINE 1

062

X X

INTERLOCK LOGIC FOR OPENING OF CIRCUIT BREAKER IN O/G ICT-2

018

X X

INTERLOCK LOGIC FOR CLOSING OF CIRCUIT BREAKER IN O/G LINE-1

063

X X

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN O/G LINE-4

019

X X

INTERLOCK LOGIC FOR OPENING OF CIRCUIT BREAKER IN O/G LINE-1

064

X X

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN O/G LINE-4 (CONTD.)

020

X X

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN TIE-1

065

X X

CONTROL & INTERLOCK LOGIC FOR OPERATION OF EARTH SWITCHES IN O/G LINE-4

021

X X

CONTROL & INTERLOCK LOGIC FOR OPERATION OF EARTH SWITCHES IN TIE-1

066

X X

CVT SELECTION LOGIC FOR CHECK SYNC OF CIRCUIT BREAKER IN O/G LINE-4

022

X X

CVT SELECTION LOGIC FOR CHECK SYNC OF CIRCUIT BREAKER IN TIE-1

067

X X

INTERLOCK LOGIC FOR CLOSING OF CIRCUIT BREAKER IN O/G LINE-4

023

X X

INTERLOCK LOGIC FOR CLOSING OF CIRCUIT BREAKER IN TIE-1

068

X X

INTERLOCK LOGIC FOR OPENING OF CIRCUIT BREAKER IN O/G LINE-4

023A

X X

INTERLOCK LOGIC FOR CLOSING OF CIRCUIT BREAKER IN TIE-1 (CONTD.)

069

X X

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN TIE-4

024

X X

INTERLOCK LOGIC FOR OPENING OF CIRCUIT BREAKER IN TIE-1

070

X X

CONTROL & INTERLOCK LOGIC FOR OPERATION OFEARTH SWITCHES IN TIE-4

025

X X

INTERLOCK LOGIC FOR OPERATION OF ISOLATORS IN GT-3

071

X X

CVT SELECTION LOGIC FOR CHECK SYNC OF CIRCUIT BREAKER IN TIE-4

026

X X

INTERLOCK LOGIC FOR OPERATION OF ISOLATORS IN GT-3 (CONTD.)

072

X X

INTERLOCK LOGIC FOR CLOSING OF CIRCUIT BREAKER IN TIE-4

027

X X

CONTROL & INTERLOCK LOGIC FOR OPERATION OF EARTH SWITCHES IN GT-3

073

X X

INTERLOCK LOGIC FOR CLOSING OF CIRCUIT BREAKER IN TIE-4

028

X X

CONTROL & INTERLOCK LOGIC FOR OPENING & CLOSING OF CIRCUIT BREAKER IN GT-3

074

X

INTERLOCK LOGIC FOR OPENING OF CIRCUIT BREAKER IN TIE-4

029

X X

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN O/G LINE-2

075

X X

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN GT-4

030

X X

INTERLOCK LOGIC FOR OPERATION OF ISOLATORS IN O/G LINE-2 (CONTD.)

076

X X

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN GT-4 (CONTD.)

031

X X

CONTROL & INTERLOCK LOGIC FOR OPERATION OF EARTH SWITCHES IN O/G LINE 2

077

X X

CONTROL & INTERLOCK LOGIC FOR OPENING & CLOSING OF CIRCUIT BREAKER IN GT-4

032

X X

CVT SELECTION LOGIC FOR CHECK SYNC OF CIRCUIT BREAKER IN O/G LINE-2

078

X X

CONTROL & INTERLOCK LOGIC FOR OPENING & CLOSING OF CIRCUIT BREAKER IN GT-4

033

X X

INTERLOCK LOGIC FOR CLOSING OF CIRCUIT BREAKER IN O/G LINE-2

079

X X

INTERLOCK LOGIC FOR OPERATION OF BUS-1 CVT ISOLATOR & EARTH SWITCH

034

X X

INTERLOCK LOGIC FOR OPENING OF CIRCUIT BREAKER IN O/G LINE-2

080

X X

INTERLOCK LOGIC FOR OPERATION OF BUS-2 CVT ISOLATOR & EARTH SWITCH

035

X X

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN TIE-2

081

X

IMPLEMENTATION OF SYNCHROCHECK IN BCU

036

X X

CONTROL & INTERLOCK LOGIC FOR OPERATION OF EARTH SWITCHES IN TIE-2

082

X

IMPLEMENTATION OF SYNCHROCHECK IN BCU

037

X X

CVT SELECTION LOGIC FOR CHECK SYNC OF CIRCUIT BREAKER IN TIE-2

083

X

IMPLEMENTATION OF SYNCHROCHECK IN BCU

038

X X

INTERLOCK LOGIC FOR CLOSING OF CIRCUIT BREAKER IN TIE-2

084

X

IMPLEMENTATION OF SYNCHROCHECK IN BCU

039

X X

INTERLOCK LOGIC FOR OPENING OF CIRCUIT BREAKER IN TIE-2

085

X

IMPLEMENTATION OF AUTORECLOSE FUNCTION IN BCU

040

X X

INTERLOCK LOGIC FOR OPERATION OF400kV ISOLATORS IN ICT-1

086

X

IMPLEMENTATION OF AUTORECLOSE FUNCTION IN BCU

041

X X

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN ICT-1 (CONTD.)

CONTROL LOGIC FOR REMOTE OPENING OF CIRCUIT BREAKERS FROM SCADA (LDC) * CONTROL LOGIC FOR REMOTE CLOSING OF CIRCUIT BREAKERS FROM SCADA (LDC) *

File: PG725000-002.xls

CLIENT PROJECT

: :

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA INDEX

REV.

SHEET

NEXT SH.

B

002

003

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

CONTROL LOGIC FOR LOCAL OPERATION OF ISOLATORS FROM EQUIPMENT MARSHALLING BOX*

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

EQP LOCAL/REMOTE LOCAL = EQP M.BOX SELECTOR SWITCH AT EQP REMOTE = BCU/HMI/SCADA MARSHALLING BOX

OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

INTLK PERMISSIVE FROM RESPECTIVE BCU **

&

TO OPEN CIRCUIT

&

TO CLOSING CIRCUIT

OPEN CLOSE

INTLK PERMISSIVE FROM RESPECTIVE BCU **

NOTE : *

IN THIS MODE, CONTROL FROM HIGHER LEVELS NAMELY BCU / HMI/ SCADA ARE DEFEATED AS LONG AS THE LOCAL/REMOTE SELECTOR SWITCH AT EQP MARSHALLING BOX IS IN LOCAL MODE.

**

INTERLOCKS REQUIRED FOR CLOSING/OPENING OF ISOLATORS ARE VERIFIED IN THE RESPECTIVE BAY CONTROL UNIT AND A OUTPUT IS GENERATED FROM THE BCU WHEN THE INTERLOCKS ARE SATISIFIED. THE GENERATED OUTPUT IS HARDWIRED IN THE CONTROL CIRCUIT OF THE ISOLATOR. OPEN/CLOSE COMMANDS TO THE ISOLATOR ARE NOT EXECUTED UNLESS THE INTERLOCKS ARE SATISFIED. OPERATION OF THE ISOLATORS EITHER FROM LOCAL/REMOTE WILL BE SUCCESFUL ONLY IF THE INTERLOCKS ARE THROUGH. INTERLOCKS CAN BE BYPASSED UNDER EMERGENCY CONDITIONS, BY AUTHORISED PERSONNEL ONLY.

***

FOR DETAILED INTERLOCKS REFER THE INTERLOCKS FOR THE RESPECTIVE DETAILED INTERLOCKS.

File: PG725000-003.xls

CLIENT PROJECT

CONTROL LOGIC FOR LOCAL OPERATION OF 400kV ISOLATORS

: :

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET

NEXT SH.

A

003

004

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

CONTROL LOGIC FOR REMOTE OPERATION OF ISOLATORS FROM BCU*

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

EQP LOCAL/REMOTE LOCAL = EQP M.BOX SELECTOR SWITCH AT EQP MARSHALLING BOX REMOTE = BCU/HMI/SCADA

BAY LOCAL/REMOTE PUSH BUTTON ON BCU

OPEN/CLOSE PUSH BUTTON CONTROL FROM BCU

INTLK PERMISSIVE FROM RESPECTIVE BCU **

LOCAL = BCU

&

TO OPEN CIRCUIT

&

TO CLOSING CIRCUIT

REMOTE = HMI / SCADA

OPEN CLOSE

INTLK PERMISSIVE FROM RESPECTIVE BCU **

NOTE : *

IN THIS MODE, CONTROL FROM HIGHER LEVELS NAMELY HMI/ SCADA ARE DEFEATED AS LONG AS THE LOCAL/REMOTE SELECTOR SWITCH AT BCU IS IN LOCAL MODE.

**

INTERLOCKS REQUIRED FOR CLOSING/OPENING OF ISOLATORS ARE VERIFIED IN THE RESPECTIVE BAY CONTROL UNIT AND A OUTPUT IS GENERATED FROM THE BCU WHEN THE INTERLOCKS ARE SATISIFIED. THE GENERATED OUTPUT IS HARDWIRED IN THE CONTROL CIRCUIT OF THE ISOLATOR. OPEN/CLOSE COMMANDS TO THE ISOLATOR ARE NOT EXECUTED UNLESS THE INTERLOCKS ARE SATISFIED. OPERATION OF THE ISOLATORS EITHER FROM LOCAL/REMOTE WILL BE SUCCESFUL ONLY IF THE INTERLOCKS ARE THROUGH. INTERLOCKS CAN BE BYPASSED UNDER EMERGENCY CONDITIONS, BY AUTHORISED PERSONNEL ONLY.

***

FOR DETAILED INTERLOCKS REFER THE INTERLOCKS FOR THE RESPECTIVE DETAILED INTERLOCKS.

File: PG725000-003.xls

CLIENT PROJECT

CONTROL LOGIC FOR REMOTE OPERATION OF 400kV ISOLATORS FROM BCU

: :

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET

NEXT SH.

A

004

005

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

CONTROL LOGIC FOR REMOTE OPERATION OF ISOLATORS FROM HMI*

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

LOCAL = EQP M.BOX EQP LOCAL/REMOTE SELECTOR SWITCH AT EQP REMOTE = BCU/HMI/SCADA MARSHALLING BOX

BAY LOCAL/REMOTE PUSH BUTTON ON BAY CONTROL UNIT

REMOTE = HMI / SCADA

SUBTATION LOCAL/REMOTE SELECTION FROM HMI

REMOTE = SCADA

OPEN/CLOSE CONTROL FROM HMI

INTLK PERMISSIVE FROM RESPECTIVE BCU **

LOCAL = BCU

TO OPEN CIRCUIT

&

LOCAL = HMI

OPEN CLOSE INTLK PERMISSIVE FROM RESPECTIVE BCU **

TO CLOSING CIRCUIT

&

NOTE : *

IN THIS MODE, CONTROL FROM HIGHER SCADA LEVEL ARE DEFEATED AS LONG AS THE LOCAL/REMOTE SELECTION AT HMI IS IN LOCAL MODE.

**

INTERLOCKS REQUIRED FOR CLOSING/OPENING OF ISOLATORS ARE VERIFIED IN THE RESPECTIVE BAY CONTROL UNIT AND A OUTPUT IS GENERATED FROM THE BCU WHEN THE INTERLOCKS ARE SATISIFIED. THE GENERATED OUTPUT IS HARDWIRED IN THE CONTROL CIRCUIT OF THE ISOLATOR. OPEN/CLOSE COMMANDS TO THE ISOLATOR ARE NOT EXECUTED UNLESS THE INTERLOCKS ARE SATISFIED. OPERATION OF THE ISOLATORS EITHER FROM LOCAL/REMOTE WILL BE SUCCESFUL ONLY IF THE INTERLOCKS ARE THROUGH. INTERLOCKS CAN BE BYPASSED UNDER EMERGENCY CONDITIONS, BY AUTHORISED PERSONNEL ONLY.

***

FOR DETAILED INTERLOCKS REFER THE INTERLOCKS FOR THE RESPECTIVE DETAILED INTERLOCKS.

File: PG725000-003.xls

CLIENT PROJECT

CONTROL LOGIC FOR REMOTE OPERATION OF 400kV ISOLATORS FROM HMI

: :

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET

NEXT SH.

A

005

006

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

CONTROL LOGIC FOR REMOTE OPERATION OF ISOLATORS FROM SCADA(LDC)

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

EQP LOCAL/REMOTE LOCAL = EQP M.BOX SELECTOR SWITCH AT EQP MARSHALLING BOX REMOTE = BCU/HMI/SCADA

BAY LOCAL/REMOTE PUSH BUTTON ON BAY CONTROL UNIT

REMOTE = HMI / SCADA

SUBTATION LOCAL/REMOTE SELECTION FROM HMI

REMOTE = SCADA

OPEN/CLOSE CONTROL FROM HMI

INTLK PERMISSIVE FROM RESPECTIVE BCU **

LOCAL = BCU

TO OPEN CIRCUIT

&

LOCAL = HMI

OPEN CLOSE INTLK PERMISSIVE FROM RESPECTIVE BCU **

&

TO CLOSING CIRCUIT

**

INTERLOCKS REQUIRED FOR CLOSING/OPENING OF ISOLATORS ARE VERIFIED IN THE RESPECTIVE BAY CONTROL UNIT AND A OUTPUT IS GENERATED FROM THE BCU WHEN THE INTERLOCKS ARE SATISIFIED. THE GENERATED OUTPUT IS HARDWIRED IN THE CONTROL CIRCUIT OF THE ISOLATOR. OPEN/CLOSE COMMANDS TO THE ISOLATOR ARE NOT EXECUTED UNLESS THE INTERLOCKS ARE SATISFIED. OPERATION OF THE ISOLATORS EITHER FROM LOCAL/REMOTE WILL BE SUCCESFUL ONLY IF THE INTERLOCKS ARE THROUGH. INTERLOCKS CAN BE BYPASSED UNDER EMERGENCY CONDITIONS, BY AUTHORISED PERSONNEL ONLY.

***

FOR DETAILED INTERLOCKS REFER THE INTERLOCKS FOR THE RESPECTIVE DETAILED INTERLOCKS.

File: PG725000-003.xls

CLIENT PROJECT

CONTROL LOGIC FOR REMOTE OPERATION OF 400kV ISOLATORS FROM SCADA

: :

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET

NEXT SH.

A

006

007

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

CONTROL LOGIC FOR LOCAL OPERATION OF CIRCUIT BREAKERS FROM EQUIPMENT MARSHALLING BOX*

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

LOCAL = EQP M.BOX EQP LOCAL/REMOTE SELECTOR SWITCH AT EQP REMOTE = BCU/HMI/SCADA MARSHALLING BOX

&

TO TRIP COIL - 1

TO TRIP COIL - 2 OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

OPEN CLOSE

&

TO CLOSING CIRCUIT

HARDWIRED INTERLOCKS AT BMK LEVEL **

NOTE : *

IN THIS MODE, CONTROL FROM HIGHER LEVELS NAMELY BCU / HMI/ SCADA ARE DEFEATED AS LONG AS THE LOCAL/REMOTE SELECTOR SWITCH AT EQP MARSHALLING BOX IS IN LOCAL MODE.

**

THESE INTERLOCKS ARE HARDWIRED AT BMK LEVEL AND OPERATION FROM EQP. MARSHALLING BOX IS POSSIBLE ONLY WHEN THESE INTERLOCKS ARE SATISFIED. FOR DETAILS REFER THE RESPECTIVE BREAKER INTERLOCK LOGICS

File: PG725000-003.xls

CLIENT PROJECT

CONTROL LOGIC FOR LOCAL OPERATION OF 400kV CIRCUIT BREAKERS

: :

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET

NEXT SH.

A

007

008

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

CONTROL LOGIC FOR REMOTE OPENING OF CIRCUIT BREAKERS FROM BCU/BAY CONTROL & PROTECTION PANEL * LOCAL = EQP M.BOX EQP LOCAL/REMOTE SELECTOR SWITCH AT EQP REMOTE = BCU/HMI/SCADA MARSHALLING BOX TO TRIP COIL - 1

OR

&

TO TRIP COIL - 2 This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

BAY LOCAL/REMOTE PUSH BUTTON ON BAY CONTROL UNIT

LOCAL = BCU REMOTE = HMI / SCADA

& OPEN/CLOSE PUSH BUTTON CONTROL FROM BCU

OPEN CLOSE

&

CNTL SWTCH FROM C&R PANEL FOR EMERGENCY CONTROL **

OPEN CLOSE

NOTE : *

IN THIS MODE, CONTROL FROM HIGHER LEVELS NAMELY HMI/ SCADA ARE DEFEATED AS LONG AS THE LOCAL/REMOTE SELECTOR SWITCH AT BCU IS IN LOCAL MODE.

**

EMERGENCY TRIPPING CAN BE GIVEN THROUGH THE TNC SWITCH PROVIDED ON THE BAY PROTECTION & CONTROL PANEL. CONTROLS GIVEN THROUGH TNC SWITCH ARE ROUTED INDEPENDENT OF THE BCU AND HENCE ARE INDEPENDENT OF THE LOCAL/REMOTE SELECTION AT BCU/HMI.

***

PERMISSIVE FOR MAINTENANCE CLOSING IS GENERATED FROM BCU, WHEN BOTH THE ISOLATORS ON EITHER SIDES OF THE CB ARE OPEN. THIS OUTPUT CONTACT FROM BCU IS WIRED INTO THE TNC CLOSING CIRCUIT. CLIENT PROJECT

CONTROL LOGIC FOR REMOTE OPENING OF 400kV LINE-TIE- ICT CIRCUIT BREAKERS FROM BCU

: :

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET

NEXT SH.

A

008

008A

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

PROTECTION TRIP LOGIC FOR LINE PROTECTIONS(TYPICAL)

CLIENT PROJECT

PROTECTION TRIP LOGIC FOR LINE PROTECTION

: :

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET

NEXT SH.

B

008A

009

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

PROTECTION TRIP LOGIC FOR TIE PROTECTIONS(TYPICAL)

CLIENT PROJECT

PROTECTION TRIP LOGIC FOR TIE PROTECTION

: :

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET

NEXT SH.

B

008B

008C

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

PROTECTION TRIP LOGIC FOR GT PROTECTIONS(TYPICAL)

NOTE : *

ONLY HV O/C & E/F PROTECTION, LBB & BUSBAR PROTECTION ARE LOCATED IN THE SWITCHYARD RELAY PANEL. ALL THE OTHER PROTECTIONS ARE NOT IN PRESENT SCOPE.

CLIENT PROJECT

PROTECTION TRIP LOGIC FOR GT PROTECTION

: :

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET

NEXT SH.

B

008C

008D

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

PROTECTION TRIP LOGIC FOR ICT PROTECTIONS(TYPICAL)

NOTE : *

220kV PROTECTIONS ARE NOT IN PRESENT SCOPE.

CLIENT PROJECT

PROTECTION TRIP LOGIC FOR ICT PROTECTION

: :

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET

NEXT SH.

B

008D

009

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

CONTROL LOGIC FOR REMOTE CLOSING OF CIRCUIT BREAKERS FROM BCU/ BAY CONTROL & PROTECTION PANEL * EQP LOCAL/REMOTE LOCAL = EQP M.BOX SELECTOR SWITCH AT EQP MARSHALLING BOX REMOTE = BCU/HMI/SCADA

SELECTED INCOMING VOLTS

SELECTED RUNNING VOLTS

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

& BAY LOCAL/REMOTE PUSH BUTTON ON BAY CONTROL UNIT

OPEN/CLOSE PUSH BUTTON CONTROL FROM BCU

LOCAL = BCU REMOTE = HMI / SCADA

VALIDATION OF CHECK-SYNC CONDITIONS IN BCU**

&

OPEN CLOSE

OR TO CLOSING CIRCUIT

INTLKS IMPLEMENTED THROUGH SOFT LOGIC IN RESPECTIVE BCU ***

CNTL SWTCH FROM C&R PANEL FOR EMERGENCY CONTROL

OPEN ## PERMISSIVE FOR TNC MAINTENANCE CLOSING FROM BCU (APPLIES TO ALL BAYS EXCEPT GT & GT TIE BAYS)

CLOSE

&

INTLKS IMPLEMENTED THROUGH HARDWIRING IN BAY CNTL & PROT PANEL***

ISO 89-A OPEN ##

&

PERMISSIVE

PERMISSIVE FOR MAINTENANCE CLOSING ISO 89-B OPEN NOTE : *

IN THIS MODE, CONTROL FROM HIGHER LEVELS NAMELY HMI/ SCADA ARE DEFEATED AS LONG AS THE LOCAL/REMOTE SELECTOR SWITCH AT BCU IS IN LOCAL MODE.

**

CHECK SYNCHRONISATION CONDITIONS ARE VALIDATED IN THE RESPECTIVE BAY CONTROL UNIT, BASED UPON THE SELECTED INCOMING & RUNNING VOLTAGES.

***

FOR DETAILED INTERLOCKING LOGICS REFER THE INTERLOCKS OF THE RESPECTIVE CIRCUIT BREAKER.

##

PERMISSIVE FOR MAINTENANCE CLOSING IS GENERATED FROM BCU, WHEN BOTH THE ISOLATORS ON EITHER SIDES OF THE CB ARE OPEN. THIS OUTPUT CONTACT FROM BCU IS WIRED INTO THE TNC CLOSING CIRCUIT.

1

CLOSE COMMAND GIVEN BY THE OPERATOR FROM BCU WILL BE EXECUTED ONLY IF THE CHECK-SYNC CONDITIONS ARE SATISFIED.

2

CLOSE COMMAND FROM TNC SWITCH IS MEANT FOR CLOSING WITHOUT ANY SYNCHRONISATION & HENCE TO BE USED FOR MAINTENANCE/TESTING CONDITIONS.

3

INCOMING & RUNNING VOLTS ARE SELECTED BASED UPON THE ISOLATOR & CB POSITIONS IN THE RESPECTIVE DIA.

4

FOR GT-3 & GT-4 (BAYS-3, 12) REMOTE OPERATION IS NOT PROVIDED FROM SWITCHYARD.

5

FOR TIE-1 & TIE-4 (BAYS-2, 11) REMOTE OPERATION IS POSSIBLE FROM BCU/HMI/SCADA ONLY AS LONG AS THE TIE/GT SELECTOR SWITCH IS IN TIE MODE.

CLIENT ADANI POWER LTD. : 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT PROJECT : MUNDRA SEZ

CONTROL LOGIC FOR REMOTE CLOSING OF 400kV LINE-TIE-ICT CIRCUIT BREAKERS FROM BCU

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009

010

AREVA T&D India Limited

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DF003

CONTROL LOGIC FOR REMOTE OPENING OF CIRCUIT BREAKERS FROM HMI *

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

LOCAL = EQP M.BOX EQP LOCAL/REMOTE SELECTOR SWITCH AT EQP REMOTE = BCU/HMI/SCADA MARSHALLING BOX

BAY LOCAL/REMOTE PUSH BUTTON ON BAY CONTROL UNIT

LOCAL = BCU REMOTE = HMI / SCADA

& &

SUBTATION LOCAL/REMOTE SELECTION FROM HMI

LOCAL = HMI

TO TRIP COIL - 1

OR

REMOTE = SCADA

TRIP COIL - 2

OPEN/CLOSE CONTROL FROM HMI

CNTL SWTCH FROM C&R PANEL FOR EMERGENCY CONTROL **

OPEN

&

CLOSE

OPEN CLOSE

NOTE : *

IN THIS MODE, CONTROL FROM HIGHER LEVELS NAMELY HMI/ SCADA ARE DEFEATED AS LONG AS THE LOCAL/REMOTE SELECTOR SWITCH AT BCU IS IN LOCAL MODE.

**

EMERGENCY TRIPPING CAN BE GIVEN THROUGH THE TNC SWITCH PROVIDED ON THE BAY PROTECTION & CONTROL PANEL. CONTROLS GIVEN THROUGH TNC SWITCH ARE ROUTED INDEPENDENT OF THE BCU.

CLIENT PROJECT

CONTROL LOGIC FOR REMOTE OPENING OF 400kV LINE-TIE- ICT CIRCUIT BREAKERS FROM HMI

: :

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

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A

010

011

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

CONTROL LOGIC FOR REMOTE CLOSING OF CIRCUIT BREAKERS FROM HMI *

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

LOCAL = EQP M.BOX EQP LOCAL/REMOTE SELECTOR SWITCH AT EQP REMOTE = BCU/HMI/SCADA MARSHALLING BOX

SELECTED INCOMING VOLTS

SELECTED RUNNING VOLTS

& BAY LOCAL/REMOTE PUSH BUTTON ON BAY CONTROL UNIT

SUBTATION LOCAL/REMOTE SELECTION FROM HMI

LOCAL = BCU REMOTE = HMI / SCADA

VALIDATION OF CHECK-SYNC CONDITIONS IN BCU**

&

LOCAL = HMI REMOTE = SCADA

OR OPEN/CLOSE CONTROL FROM HMI

TO CLOSING CIRCUIT

OPEN CLOSE

INTLKS IMPLEMENTED THROUGH SOFT LOGIC IN RESPECTIVE BCU ***

INTLKS IMPLEMENTED THROUGH HARDWIRING IN BAY CNTL & PROT PANEL*** CNTL SWTCH FROM C&R PANEL FOR EMERGENCY CONTROL

## PERMISSIVE FOR TNC MAINTENANCE CLOSING FROM BCU (APPLIES TO ALL BAYS EXCEPT GT & GT TIE BAYS)

&

OPEN

ISO 89-A OPEN CLOSE ##

&

PERMISSIVE

PERMISSIVE FOR MAINTENANCE CLOSING ISO 89-B OPEN

NOTE : *

IN THIS MODE, CONTROL FROM SCADA ARE DEFEATED AS LONG AS THE SUBSTATION LOCAL/REMOTE SELECTION IS IN LOCAL MODE.

**

CHECK SYNCHRONISATION CONDITIONS ARE VALIDATED IN THE RESPECTIVE BAY CONTROL UNIT, BASED UPON THE SELECTED INCOMING & RUNNING VOLTAGES.

***

FOR DETAILED INTERLOCKING LOGICS REFER THE INTERLOCKS OF THE RESPECTIVE CIRCUIT BREAKER.

##

PERMISSIVE FOR MAINTENANCE CLOSING IS GENERATED FROM BCU, WHEN BOTH THE ISOLATORS ON EITHER SIDES OF THE CB ARE OPEN. THIS OUTPUT CONTACT FROM BCU IS WIRED INTO THE TNC CLOSING CIRCUIT.

1

CLOSE COMMAND GIVEN BY THE OPERATOR FROM HMI WILL BE EXECUTED ONLY IF THE CHECK-SYNC CONDITIONS ARE SATISFIED.

2

CLOSE COMMAND FROM TNC SWITCH IS MEANT FOR CLOSING WITHOUT ANY SYNCHRONISATION & HENCE TO BE USED FOR MAINTENANCE/TESTING CONDITIONS.

3

INCOMING & RUNNING VOLTS ARE SELECTED BASED UPON THE ISOLATOR & CB POSITIONS IN THE RESPECTIVE DIA.

CONTROL LOGIC FOR REMOTE CLOSING OF 400kV LINE-TIE- ICT CIRCUIT BREAKERS FROM HMI

CLIENT ADANI POWER LTD. : 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT PROJECT : MUNDRA SEZ

AREVA

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011

012

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

CONTROL LOGIC FOR REMOTE OPENING OF CIRCUIT BREAKERS FROM SCADA (LDC) *

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

EQP LOCAL/REMOTE LOCAL = EQP M.BOX SELECTOR SWITCH AT EQP MARSHALLING BOX REMOTE = BCU/HMI/SCADA

BAY LOCAL/REMOTE PUSH BUTTON ON BAY CONTROL UNIT

LOCAL = BCU REMOTE = HMI / SCADA

& &

SUBTATION LOCAL/REMOTE SELECTION FROM HMI

LOCAL = HMI

TO TRIP COIL - 1

OR

REMOTE = SCADA

TRIP COIL - 2

OPEN/CLOSE CONTROL FROM SCADA

CNTL SWTCH FROM C&R PANEL FOR EMERGENCY CONTROL **

OPEN

&

CLOSE

OPEN CLOSE

NOTE : **

EMERGENCY TRIPPING CAN BE GIVEN THROUGH THE TNC SWITCH PROVIDED ON THE BAY PROTECTION & CONTROL PANEL. CONTROLS GIVEN THROUGH TNC SWITCH ARE ROUTED INDEPENDENT OF THE BCU.

CLIENT PROJECT :

CONTROL LOGIC FOR REMOTE OPENING OF 400kV LINE-TIE- ICT CIRCUIT BREAKERS FROM SCADA

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

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A

012

013

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

CONTROL LOGIC FOR REMOTE CLOSING OF CIRCUIT BREAKERS FROM SCADA (LDC) *

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

EQP LOCAL/REMOTE LOCAL = EQP M.BOX SELECTOR SWITCH AT EQP MARSHALLING BOX REMOTE = BCU/HMI/SCADA

SELECTED INCOMING VOLTS

SELECTED RUNNING VOLTS

& BAY LOCAL/REMOTE PUSH BUTTON ON BAY CONTROL UNIT

SUBTATION LOCAL/REMOTE SELECTION FROM HMI

LOCAL = BCU REMOTE = HMI / SCADA

VALIDATION OF CHECK-SYNC CONDITIONS IN BCU**

&

LOCAL = HMI REMOTE = SCADA

TO CLOSING CIRCUIT

OR OPEN/CLOSE CONTROL FROM HMI

OPEN CLOSE

INTLKS IMPLEMENTED THROUGH SOFT LOGIC IN RESPECTIVE BCU *** ## PERMISSIVE FOR TNC MAINTENANCE CLOSING FROM BCU (APPLIES TO ALL BAYS EXCEPT GT & GT TIE BAYS)

INTLKS IMPLEMENTED THROUGH HARDWIRING IN BAY CNTL & PROT PANEL***

& CNTL SWTCH FROM C&R PANEL FOR EMERGENCY CONTROL

ISO 89-A OPEN

OPEN

&

CLOSE

PERMISSIVE

## PERMISSIVE FOR MAINTENANCE CLOSING

ISO 89-B OPEN

NOTE : **

CHECK SYNCHRONISATION CONDITIONS ARE VALIDATED IN THE RESPECTIVE BAY CONTROL UNIT, BASED UPON THE SELECTED INCOMING & RUNNING VOLTAGES.

***

FOR DETAILS INTERLOCKING LOGICS REFER THE INTERLOCKS OF THE RESPECTIVE CIRCUIT BREAKER.

##

PERMISSIVE FOR MAINTENANCE CLOSING IS GENERATED FROM BCU, WHEN BOTH THE ISOLATORS ON EITHER SIDES OF THE CB ARE OPEN. THIS OUTPUT CONTACT FROM BCU IS WIRED INTO THE TNC CLOSING CIRCUIT.

1

CLOSE COMMAND GIVEN BY THE OPERATOR FROM SCADA WILL BE EXECUTED ONLY IF THE CHECK-SYNC CONDITIONS ARE SATISFIED.

2

CLOSE COMMAND FROM TNC SWITCH IS MEANT FOR CLOSING WITHOUT ANY SYNCHRONISATION & HENCE TO BE USED FOR MAINTENANCE/TESTING CONDITIONS.

3

INCOMING & RUNNING VOLTS ARE SELECTED BASED UPON THE ISOLATOR & CB POSITIONS IN THE RESPECTIVE DIA.

CONTROL LOGIC FOR REMOTE CLOSING OF 400kV LINE-TIE- ICT CIRCUIT BREAKERS FROM SCADA

CLIENT ADANI POWER LTD. : 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT PROJECT : MUNDRA SEZ

AREVA

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A

013

014

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

INTERLOCK LOGIC FOR OPERATION OF ISOLATORS IN O/G LINE-1

A) ISOLATOR 1-89A BUS-2 CVT ISO CLOSED

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

BUS-2 CVT ES OPEN

& 1-89AE OPEN

ISO 1-89A INTLK PERMISSIVE*

1-52CB OPEN***

&

ISO 1-89A CLOSE ORDER

&

ISO 1-89A OPEN ORDER

ISO 1-89A CLOSE REQUEST**

ISO 1-89A OPEN REQUEST**

B) ISOLATOR 1-89B

1-89BE OPEN

& 1-52CB OPEN***

ISO 1-89B CLOSE REQUEST**

ISO 1-89B OPEN REQUEST**

ISO 1-89B INTLK PERMISSIVE*

&

&

ISO 1-89B CLOSE ORDER

ISO 1-89B OPEN ORDER

NOTE:

File: PG725000-003.xls

*

AS INDICATED IN SHEETS: 003, 004, 005, 006 FOR CONTROL LOGIC OF ISOLATORS, THE INTERLOCK PERMISSIVE WILL BE WIRED IN THE CONTROL CIRCUIT OF ISOLATORS TO ENSURE THAT COMMAND WILL BE EXECUTED ONLY WHEN THE INTERLOCKS ARE SATISFIED.

**

CLOSING & OPENING REQUEST OF ISOLATORS CAN BE GIVEN FROM ANY CONTROL LEVELS DEFINED IN SHEETS 003-006, PROVIDED THE ABOVE INTERLOCKS ARE SATISFIED.

***

OPEN POSITION FOR CB IS CONFIRMED ONLY IF ALL THE THREE POLES ARE OPEN

CLIENT PROJECT :

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN O/G LINE-1

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

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EMI-7604PG754-4-028

B

014

015

DF003

INTERLOCK LOGIC FOR OPERATION OF ISOLATORS IN O/G LINE-1 (CONTD)

C) ISOLATOR 1-89C 1-89LE OPEN

1-52CB OPEN***

&

ISO 1-89L INTLK PERMISSIVE *

2-52CB OPEN*** ISO 1-89L CLOSE REQUEST **

This drawing and design is the property of AREVA T&D and must not be copied or lent with

ISO 1-89L OPEN REQUEST **

&

&

ISO 1-89L CLOSE ORDER

ISO 1-89L OPEN ORDER

NOTE: *

AS INDICATED IN SHEETS: 003, 004, 005, 006 FOR CONTROL LOGIC OF ISOLATORS, THE INTERLOCK PERMISSIVE WILL BE WIRED IN THE CONTROL CIRCUIT OF ISOLATORS TO ENSURE THAT COMMAND WILL BE EXECUTED ONLY WHEN THE INTERLOCKS ARE SATISFIED.

**

CLOSING & OPENING REQUEST OF ISOLATORS CAN BE GIVEN FROM ANY CONTROL LEVELS DEFINED IN SHEETS 003-006, PROVIDED THE ABOVE INTERLOCKS ARE SATISFIED.

***

OPEN POSITION FOR CB IS CONFIRMED ONLY IF ALL THE THREE POLES ARE OPEN

CLIENT PROJECT :

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN O/G LINE-1 (CONTD)

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

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B

015

016

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

CONTROL & INTERLOCK LOGIC FOR OPERATION OF EARTH SWITCHES IN O/G LINE-1

A) EARTH SWITCH 1-89AE* ISO 1-89A OPEN

ES 1-89AE INTLK PERMISSIVE **

&

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

ISO 1-89B OPEN

OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

&

TO OPEN CIRCUIT

&

TO CLOSING CIRCUIT

OPEN CLOSE

B) EARTH SWITCH 1-89BE* ISO 1-89A OPEN

ES 1-89BE INTLK PERMISSIVE **

& ISO 1-89B OPEN

OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

&

TO OPEN CIRCUIT

&

TO CLOSING CIRCUIT

OPEN CLOSE

C) EARTH SWITCH 1-89LE* ISO 1-89L OPEN

ES 1-89LE INTLK PERMISSIVE **

& DEAD LINE O/G LINE-1 (UNDER VOLTAGE OPERATED) ***

& OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

TO OPEN CIRCUIT

OPEN CLOSE

TO CLOSING CIRCUIT

& NOTE: *

FOR EARTH SWITCHES THERE IS NO REMOTE CONTROL FROM BCU/HMI/SCADA. CONTROL IS POSSIBLE ONLY FROM EQUIPMENT MARSHALLING BOX. ALL THE INTERLOCKS FOR EARTH SWITCH OPERATION ARE VERIFIED IN BCU & AN OUTPUT IS GENERATED FROM BCU WHEN THE INTERLOCKS ARE SATISFIED.

**

THIS INTERLOCK PERMISSIVE IS GENERATED BY THE BCU AND IS HARD WIRED IN THE CONTROL CIRCUIT OF THE EARTH SWITCH. COMMANDS GIVEN FROM THE EQUIPMENT MARSHALLING BOX ARE EXECUTED ONLY WHEN THE INTERLOCKS ARE SATISFIED.

***

LINE U/V PERMISSIVE IS TAKEN THROUGH SOFT FROM LINE DISTANCE PROTECTION RELAY.

CLIENT PROJECT :

CONTROL & INTERLOCK LOGIC FOR OPERATION OF 400kV EARTH SWITCHES IN O/G LINE-1

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

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B

016

017

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

CVT SELECTION LOGIC FOR CHECK SYNC OF CIRCUIT BREAKER IN O/G LINE-1

A) RUNNING VOLTS * RUNNING VOLTS

BUS - 2 CVT

B) INCOMING VOLTS ** CASE - I LINE - 1 CVT (1 - CVTB) SELECTED

ISO 1-89L CLOSE

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

CASE - 2 CB 3-52 CLOSE

CB 2-52 CLOSE

&

BUS-1 CVT SELECTED

ISO 3-89G OPEN

CB 1-89L OPEN

NOTE: *

FOR LINE FEEDERS, BUS-2 CVT WILL BE SELECTED AS RUNNING VOLTS AND EXTENDED TO BCU TERMINALS FOR CHECK-SYNC.

**

AT ANY TIME ONLY ONE OF THE CASES WILL BE SUCCESFUL FOR INCOMING VOLTS. BASED ON THE ISOLATOR & CB POSITIONS, THE LOGICS ARE VALIDATED AND OUTPUTS ARE GENERATED FROM THE BCU WHICH ARE WIRED INTO THE PT SELECTION CIRCUIT FOR EXTENSION OF THE APPROPRIATE INCOMING VOLTS TO BCU.

THE SYNCHRONISATION OF LINE WITH GT IS NOT CONSIDERED IN THE CVT SELECTION & THE CB CLOSING SCHEME.

CLIENT PROJECT :

CVT SELECTION LOGIC FOR CHECK-SYNC OF CB IN O/G LINE-1 (BAY-1)

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

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B

017

018

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

INTERLOCK LOGIC FOR CLOSING OF CIRCUIT BREAKER IN O/G LINE-1

A) INTERLOCKS IMPLEMENTED AS HARDWIRED AT BMK LEVEL * ES 1-89 AE CLOSE

CB 1-52 LOCAL CLOSING CIRCUIT *

& This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

ES 1-89 BE CLOSE

B) INTERLOCKS IMPLEMENTED AS HARDWIRED AT BAY CONTROL & PROTECTION PANEL **

86-A TRIP RELAY RESET

86-B TRIP RELAY RESET

CB 1-52 CLOSING CIRCUIT **

& A/R LK-OUT TRIP RELAY (86-LO) RESET BBP RELAY RESET

C) INTERLOCKS IMPLEMENTED IN SOFT LOGIC IN BCU ***

86-A TRIP RELAY RESET RUNNING (BUS-2 CVT) VOLTS

86-B TRIP RELAY RESET A/R LK-OUT TRIP RELAY (86-LO) RESET BBP RELAY RESET ISO 1-89A CLOSE

&

VALIDATION OF CHECK-SYNC CONDITIONS IN BCU**

CB 1-52 CLOSE ORDER

ISO 1-89B CLOSE L/R SS AT CB 1-52 M.BOX IN REMOTE MODE

SELECTED INCOMING VOLTS (REFER SH: 017)

CLOSE REQUEST FROM BCU/SCADA/HMI TRIP CIRCUIT - 1 & 2 HEALTHY NOTE: *

THESE INTERLOCKS APPLY TO CLOSE OPERATION OF CIRCUIT BREAKER FROM THE EQUIPMENT MARSHALLING BOX.

**

THESE HARDWIRED INTERLOCKS APPLY TO THE CONTROL USING TNC SWITCH ON THE BAY CONTROL & PROTECTION PANEL. IN CASE OF CLOSING FROM BCU/HMI/SCADA, THESE HARDWIRED INTERLOCKS MUST BE SATISFIED IN ADDITION TO THE SOFT LOGICS BUILT IN THE BCU.

***

THESE LOGICS APPLY FOR THE CLOSE OPERATION FROM BCU/HMI/SCADA. THESE LOGICS APPLY FOR AUTO RECLOS CLOSE COMMAND ISSUED BY THE BCU. A/R CLOSING WILL SUCCESFUL ONLY IF THE INTERLOCKS ARE THROUGH.

File: PG725000-003.xls

CLIENT

INTERLOCK LOGIC FOR CLOSING OF 400kV CIRCUIT BREAKER IN O/G LINE-1

PROJECT :

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

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SHEET NEXT SH.

AREVA T&D India Limited

EMI-7604PG754-4-028

B

018

019

DF003

INTERLOCK LOGIC FOR OPENING OF CIRCUIT BREAKER IN O/G LINE-1

A) INTERLOCKS FOR OPENING FROM BMK LEVEL * CB CLOSE ***

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

EQP LOCAL/REMOTE SELECTOR SWITCH AT EQP MARSHALLING BOX

LOCAL = EQP M.BOX REMOTE = BCU/HMI/SCADA

&

TO TRIP COIL - 1

TO TRIP COIL - 2 OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

OPEN CLOSE

B) INTERLOCKS FOR OPENING FROM REMOTE **

CB CLOSE ***

EQP LOCAL/REMOTE SELECTOR SWITCH AT EQP MARSHALLING BOX

TO TRIP COIL - 1

LOCAL = EQP M.BOX REMOTE = BCU/HMI/SCADA

& TO TRIP COIL - 2

CB OPEN REQUEST *

NOTE: *

THESE INTERLOCKS ARE APPLICABLE FOR OPERATION FROM EQP. MARSHALLING BOX.

**

THESE INTERLOCKS ARE APPLICABLE FOR OPERATION FROM BCU/HMI/SCADA. THESE LOGICS ARE BUILT IN THE BCU.

***

CB CLOSE POSITION IS CONFIRMED ONLY WHEN ALL THE THREE POLES ARE CLOSED.

File: PG725000-003.xls

CLIENT PROJECT :

INTERLOCK LOGIC FOR OPENING OF 400kV CIRCUIT BREAKER IN O/G LINE-1

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET NEXT SH.

AREVA T&D India Limited

EMI-7604PG754-4-028

B

019

020

DF003

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN TIE-1

A) ISOLATOR 2-89A 2-89AE OPEN

& 2-52CB OPEN***

ISO 2-89A CLOSE REQUEST**

ISO 2-89A OPEN REQUEST**

ISO 2-89A INTLK PERMISSIVE *

&

ISO 2-89A CLOSE ORDER

&

ISO 2-89A OPEN ORDER

A) ISOLATOR 2-89B

ISO 2-89B INTLK PERMISSIVE *

2-89BE OPEN

2-52CB OPEN***

& &

ISO 2-89B CLOSE ORDER

&

ISO 2-89B OPEN ORDER

ISO 2-89B CLOSE REQUEST**

ISO 2-89B OPEN REQUEST**

File: PG725000-003.xls

NOTE: *

AS INDICATED IN SHEETS: 003, 004, 005, 006 FOR CONTROL LOGIC OF ISOLATORS, THE INTERLOCK PERMISSIVE WILL BE WIRED IN THE CONTROL CIRCUIT OF ISOLATORS TO ENSURE THAT COMMAND WILL BE EXECUTED ONLY WHEN THE INTERLOCKS ARE SATISFIED.

**

CLOSING & OPENING REQUEST OF ISOLATORS CAN BE GIVEN FROM ANY CONTROL LEVELS DEFINED IN SHEETS 003-006, PROVIDED THE ABOVE INTERLOCKS ARE SATISFIED.

***

OPEN POSITION FOR CB IS CONFIRMED ONLY IF ALL THE THREE POLES ARE OPEN

CLIENT PROJECT :

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS FOR TIE-1

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET NEXT SH.

AREVA T&D India Limited

EMI-7604PG754-4-028

B

020

021

DF003

CONTROL & INTERLOCK LOGIC FOR OPERATION OF EARTH SWITCHES IN TIE-1

A) EARTH SWITCH 2-89AE*

ISO 2-89A OPEN

ES 2-89AE INTLK PERMISSIVE **

& ISO 2-89B OPEN

OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

&

TO OPEN CIRCUIT

&

TO CLOSING CIRCUIT

OPEN CLOSE

B) EARTH SWITCH 2-89BE*

ISO 2-89A OPEN

ES 2-89BE INTLK PERMISSIVE **

& ISO 2-89B OPEN

OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

&

TO OPEN CIRCUIT

&

TO CLOSING CIRCUIT

OPEN CLOSE

NOTE: *

FOR EARTH SWITCHES THERE IS NO REMOTE CONTROL FROM BCU/HMI/SCADA. CONTROL IS POSSIBLE ONLY FROM EQUIPMENT MARSHALLING BOX. ALL THE INTERLOCKS FOR EARTH SWITCH OPERATION ARE VERIFIED IN BCU & AN OUTPUT IS GENERATED FROM BCU WHEN THE INTERLOCKS ARE SATISFIED.

**

THIS INTERLOCK PERMISSIVE IS GENERATED BY THE BCU AND IS HARD WIRED IN THE CONTROL CIRCUIT OF THE EARTH SWITCH. COMMANDS GIVEN FROM THE EQUIPMENT MARSHALLING BOX ARE EXECUTED ONLY WHEN THE INTERLOCKS ARE SATISFIED.

File: PG725000-003.xls

CLIENT PROJECT :

CONTROL & INTERLOCK LOGIC FOR OPERATION OF 400kV EARTH SWITCHES IN TIE1 (BAY-2)

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET NEXT SH.

AREVA T&D India Limited

EMI-7604PG754-4-028

B

021

022

DF003

CVT SELECTION LOGIC FOR CHECK SYNC OF CIRCUIT BREAKER IN TIE-1

A) RUNNING VOLTS *

CASE-1

(TIE/GT SELECTOR SWITCH IN TIE MODE. SYNCHRONISATION IS DONE FROM SWITCHYARD BCU) BUS - 1 CVT

CASE-2

RUNNING VOLTS TO BCU

(TIE/GT SELECTOR SWITCH IN GT MODE. SYNCHRONISATION IS DONE FROM GCP) GT - 3 CVT

RUNNING VOLTS

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

B) INCOMING VOLTS * CASE - I

(APPLICABLE TO BOTH TIE & GCP MODE.)

ISO 1-89L CLOSE

TIE/GCP SELECTOR SWITCH AT SWYD BAY CONTROL & PROT PANEL CASE - 2

LINE - 1 CVT (1 - CVTB) SELECTED ** TIE = FEEDER

OR

&

GCP = GT (APPLICABLE TO BOTH TIE & GCP MODE.)

CB 1-52 CLOSE BUS-2 CVT SELECTED ** CB 1-89L OPEN

& TIE/GCP SELECTOR SWITCH AT SWYD BAY CONTROL & PROT PANEL

CASE - 3

TIE = FEEDER

OR

GCP = GT

(APPLICABLE FOR GT SYNCHRONISATION ONLY .TIE/GT SELECTOR SWITCH IN GT MODE. SYNCHRONISATION IS DONE FROM GCP)

CB 3-52 OPEN

## GT-3 CVT SELECTED **

CB 3-89G CLOSED

& TIE/GCP SELECTOR SWITCH AT SWYD BAY CONTROL & PROT PANEL

TIE = FEEDER GCP = GT

NOTE: *

SINCE THE SYNCHRONISATION OF GT IS DONE FROM GCP, GT CVT IS NOT CONSIDERED IN THE CVT SELECTION LOGIC FOR BCU. FOR BCU IN THE SWITCHYARD RUNNING VOLTS BY DEFAULT IS TAKEN AS BUS-1 VOLTS

**

AT ANY TIME ONLY ONE OF THE CASES WILL BE SUCCESFUL FOR INCOMING VOLTS. BASED ON THE ISOLATOR & CB POSITIONS, THE LOGICS ARE VALIDATED AND OUTPUTS ARE GENERATED FROM THE BCU WHICH ARE WIRED INTO THE PT SELECTION CIRCUIT FOR EXTENSION OF THE APPROPRIATE INCOMING VOLTS TO BCU.

##

GT-3 CVT WILL BE SELECTED ONLY FOR SYNCHRONISATION OF GT THROUGH THE TIE.

CLIENT PROJECT :

CVT SELECTION LOGIC FOR CHECK-SYNC OF CB IN TIE-1 (BAY-2)

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

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B

022

023

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

INTERLOCK LOGIC FOR CLOSING OF CIRCUIT BREAKER IN TIE-1 (REMOTE CLOSING POSSIBLE FROM SWITCHYARD ONLY AS LONG AS ISOLATOR 3-89G IS OPEN) A) INTERLOCKS IMPLEMENTED AS HARDWIRED AT BMK LEVEL * ES 2-89 AE CLOSE

CB 2-52 LOCAL CLOSING CIRCUIT *

& This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

ES 2-89 BE CLOSE B) INTERLOCKS IMPLEMENTED AS HARDWIRED AT BAY CONTROL & PROTECTION PANEL ** O/G LINE-1 86-A TRIP RELAY RESET 86-B TRIP RELAY RESET GT-3 86 TRIP RELAY RESET A/R LK-OUT TRIP RELAY (86-LO) RESET TIE/GCP SELECTOR SWITCH AT SWYD BAY CONTROL & PROT PANEL

& TIE = FEEDER

CB 2-52 CLOSING CIRCUIT**

OR

GCP = GT

GT3 INTLKS FROM GCP

File: PG725000-003.xls

NOTE: *

THESE INTERLOCKS APPLY TO CLOSE OPERATION OF CIRCUIT BREAKER FROM THE EQUIPMENT MARSHALLING BOX.

**

THESE HARDWIRED INTERLOCKS APPLY TO THE CONTROL USING TNC SWITCH ON THE BAY CONTROL & PROTECTION PANEL. IN CASE OF CLOSING FROM BCU/HMI/SCADA, THESE HARDWIRED INTERLOCKS MUST BE SATISFIED IN ADDITION TO THE SOFT LOGICS BUILT IN THE BCU.

***

THESE LOGICS APPLY FOR THE CLOSE OPERATION FROM BCU/HMI/SCADA. THESE LOGICS APPLY FOR AUTO RECLOSE CLOSE COMMAND ISSUED BY THE BCU. A/R CLOSING WILL SUCCESFUL ONLY IF THE INTERLOCKS ARE THROUGH.

CLIENT PROJECT :

INTERLOCK LOGIC FOR CLOSING OF 400kV CIRCUIT BREAKER IN TIE-1

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

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SHEET NEXT SH.

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023

023A

DF003

INTERLOCK LOGIC FOR CLOSING OF CIRCUIT BREAKER IN TIE-1 (CONTD.) (REMOTE CLOSING POSSIBLE FROM SWITCHYARD ONLY AS LONG AS TIE/GCP SELECTOR SWITCH IS IN TIE MODE)

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

C) INTERLOCKS IMPLEMENTED IN SOFT LOGIC IN BCU *** TIE-1 A/R LK-OUT TRIP RELAY (86-LO) RESET RUNNING (BUS-1 CVT) VOLTS

O/G LINE-1 86-A TRIP RELAY RESET 86-B TRIP RELAY RESET GT-3 86 TRIP RELAY RESET

VALIDATION OF CHECK-SYNC CONDITIONS IN BCU**

ISO 2-89A CLOSE

ISO 2-89B CLOSE

CB 2-52 CLOSE ORDER

&

ISO 3-89G OPEN

SELECTED INCOMING VOLTS (REFER SH: 022)

TRIP CIRCUIT - 1 & 2 HEALTHY L/R SS AT CB 2-52 M.BOX IN REMOTE MODE CLOSE REQUEST FROM BCU/SCADA/HMI

TIE/GCP SELECTOR SWITCH AT SWYD BAY CONTROL & PROT PANEL

TIE = FEEDER GCP = GT

File: PG725000-003.xls

NOTE: *

THESE INTERLOCKS APPLY TO CLOSE OPERATION OF CIRCUIT BREAKER FROM THE EQUIPMENT MARSHALLING BOX.

**

THESE HARDWIRED INTERLOCKS APPLY TO THE CONTROL USING TNC SWITCH ON THE BAY CONTROL & PROTECTION PANEL. IN CASE OF CLOSING FROM BCU/HMI/SCADA, THESE HARDWIRED INTERLOCKS MUST BE SATISFIED IN ADDITION TO THE SOFT LOGICS BUILT IN THE BCU.

***

CLIENT PROJECT :

THESE LOGICS APPLY FOR THE CLOSE OPERATION FROM BCU/HMI/SCADA. THESE LOGICS APPLY FOR AUTO RECLOSE CLOSE COMMAND ISSUED BY THE BCU. A/R CLOSING WILL SUCCESFUL ONLY IF THE INTERLOCKS ARE THROUGH.

INTERLOCK LOGIC FOR CLOSING OF 400kV CIRCUIT BREAKER IN TIE-1(CONTD.)

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET NEXT SH.

AREVA T&D India Limited

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B

023A

024

DF003

INTERLOCK LOGIC FOR OPENING OF CIRCUIT BREAKER IN TIE-1 (REMOTE OPENING POSSIBLE FROM SWITCHYARD ONLY IF TIE/GCP SELECTOR SWITCH IS IN TIE MODE) A) INTERLOCKS FOR OPENING FROM BMK LEVEL *

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

CB CLOSE ***

EQP LOCAL/REMOTE SELECTOR SWITCH AT EQP MARSHALLING BOX

LOCAL = EQP M.BOX REMOTE = BCU/HMI/SCADA

&

TO TRIP COIL - 1

TO TRIP COIL - 2 OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

OPEN CLOSE

B) INTERLOCKS FOR REMOTE OPENING **

CB CLOSE ***

EQP LOCAL/REMOTE SELECTOR SWITCH AT EQP MARSHALLING BOX

LOCAL = EQP M.BOX

TO TRIP COIL - 1

REMOTE = BCU/HMI/SCADA TO TRIP COIL - 2

& CB OPEN REQUEST

3-89G OPEN

TIE/GCP SELECTOR SWITCH AT SWYD BAY CONTROL & PROT PANEL

TIE = FEEDER GCP = GT

NOTE: *

THESE INTERLOCKS ARE APPLICABLE FOR OPERATION FROM EQP. MARSHALLING BOX.

**

THESE INTERLOCKS ARE APPLICABLE FOR OPERATION FROM BCU/HMI/SCADA. THESE LOGICS ARE BUILT IN THE BCU.

***

CB CLOSE POSITION IS CONFIRMED ONLY WHEN ALL THE THREE POLES ARE CLOSED.

File: PG725000-003.xls

CLIENT PROJECT :

INTERLOCK LOGIC FOR OPENING OF 400kV CIRCUIT BREAKER IN TIE-1

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET NEXT SH.

AREVA T&D India Limited

EMI-7604PG754-4-028

B

024

025

DF003

INTERLOCK LOGIC FOR OPERATION OF ISOLATORS IN GT-3

A) ISOLATOR 3-89B BUS-1 CVT ISO CLOSED

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

BUS-1 CVT ES OPEN

3-89BE OPEN

&

ISO 3-89B INTLK PERMISSIVE *

3-52CB OPEN***

&

ISO 3-89B CLOSE ORDER

&

ISO 3-89B OPEN ORDER

ISO 3-89B CLOSE REQUEST**

ISO 3-89B OPEN REQUEST**

B) ISOLATOR 3-89A

3-89AE OPEN

&

ISO 3-89A INTLK PERMISSIVE *

3-52CB OPEN***

ISO 3-89A CLOSE REQUEST**

ISO 3-89A OPEN REQUEST**

&

&

ISO 3-89A CLOSE ORDER

ISO 3-89A OPEN ORDER

NOTE:

File: PG725000-003.xls

*

AS INDICATED IN SHEETS: 003, 004, 005, 006 FOR CONTROL LOGIC OF ISOLATORS, THE INTERLOCK PERMISSIVE WILL BE WIRED IN THE CONTROL CIRCUIT OF ISOLATORS TO ENSURE THAT COMMAND WILL BE EXECUTED ONLY WHEN THE INTERLOCKS ARE SATISFIED.

**

CLOSING & OPENING REQUEST OF ISOLATORS CAN BE GIVEN FROM ANY CONTROL LEVELS DEFINED IN SHEETS 003-006, PROVIDED THE ABOVE INTERLOCKS ARE SATISFIEDCLIENT

***

OPEN POSITION FOR CB IS CONFIRMED ONLY IF ALL THE THREE POLES ARE OPEN

PROJECT :

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN GT-3 (BAY-3)

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET NEXT SH.

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025

026

DF003

INTERLOCK LOGIC FOR OPERATION OF ISOLATORS IN GT-3 (CONTD.)

C) ISOLATOR 3-89G 3-89GE OPEN

3-52CB OPEN***

&

ISO 3-89G INTLK PERMISSIVE*

2-52CB OPEN*** ISO 3-89G CLOSE REQUEST **

This drawing and design is the property of AREVA T&D and must not be copied or lent with

ISO 3-89G OPEN REQUEST **

&

&

ISO 3-89G CLOSE ORDER

ISO 3-89G OPEN ORDER

NOTE: *

AS INDICATED IN SHEETS: 003, 004, 005, 006 FOR CONTROL LOGIC OF ISOLATORS, THE INTERLOCK PERMISSIVE WILL BE WIRED IN THE CONTROL CIRCUIT OF ISOLATORS TO ENSURE THAT COMMAND WILL BE EXECUTED ONLY WHEN THE INTERLOCKS ARE SATISFIED.

**

CLOSING & OPENING REQUEST OF ISOLATORS CAN BE GIVEN FROM ANY CONTROL LEVELS DEFINED IN SHEETS 003-006, PROVIDED THE ABOVE INTERLOCKS ARE SATISFIED.

***

OPEN POSITION FOR CB IS CONFIRMED ONLY IF ALL THE THREE POLES ARE OPEN

CLIENT PROJECT :

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN GT-3 (BAY-3)

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET

NEXT SH.

B

026

027

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

CONTROL & INTERLOCK LOGIC FOR OPERATION OF EARTH SWITCHES IN GT-3

A) EARTH SWITCH 3-89AE* ISO 3-89A OPEN

ES 3-89AE INTLK PERMISSIVE **

&

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

ISO 3-89B OPEN

OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

&

TO OPEN CIRCUIT

&

TO CLOSING CIRCUIT

OPEN CLOSE

B) EARTH SWITCH 3-89BE* ISO 3-89A OPEN

ES 3-89BE INTLK PERMISSIVE **

& ISO 3-89B OPEN

OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

&

TO OPEN CIRCUIT

&

TO CLOSING CIRCUIT

OPEN CLOSE

C) EARTH SWITCH 3-89GE*

ES 3-89GE INTLK PERMISSIVE **

ISO 3-89G OPEN

& GENERATOR EXCITATION OFF

& OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

TO OPEN CIRCUIT

OPEN CLOSE

TO CLOSING CIRCUIT

& NOTE: *

FOR EARTH SWITCHES THERE IS NO REMOTE CONTROL FROM BCU/HMI/SCADA. CONTROL IS POSSIBLE ONLY FROM EQUIPMENT MARSHALLING BOX. ALL THE INTERLOCKS FOR EARTH SWITCH OPERATION ARE VERIFIED IN BCU & AN OUTPUT IS GENERATED FROM BCU WHEN THE INTERLOCKS ARE SATISFIED.

**

THIS INTERLOCK PERMISSIVE IS GENERATED BY THE BCU AND IS HARD WIRED IN THE CONTROL CIRCUIT OF THE EARTH SWITCH. COMMANDS GIVEN FROM THE EQUIPMENT MARSHALLING BOX ARE EXECUTED ONLY WHEN THE INTERLOCKS ARE SATISFIED.

CLIENT PROJECT :

CONTROL & INTERLOCK LOGIC FOR OPERATION OF 400kV EARTH SWITCHES IN GT-3

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET

NEXT SH.

B

027

028

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

CONTROL & INTERLOCK LOGIC FOR OPENING & CLOSING OF CIRCUIT BREAKER IN GT-3

A) INTERLOCKS IMPLEMENTED AS HARDWIRED AT BMK LEVEL FOR CLOSE OPERATION*

ES 3-89 AE CLOSE

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

ES 3-89 BE CLOSE

EQP LOCAL/REMOTE SELECTOR SWITCH AT EQP MARSHALLING BOX

LOCAL = EQP M.BOX

OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

OPEN

REMOTE = GCP

&

CB 3-52 LOCAL CLOSING CIRCUIT *

CLOSE

B) INTERLOCKS FOR CLOSING FROM REMOTE (GCP) EQP LOCAL/REMOTE SELECTOR SWITCH AT EQP MARSHALLING BOX

LOCAL = EQP M.BOX REMOTE = GCP

GT3 INTLKS FROM GCP OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

CB 3-52 REMOTE CLOSING CIRCUIT *

& OPEN CLOSE

C) INTERLOCKS FOR OPENING FROM BMK LEVEL * CB CLOSE **

EQP LOCAL/REMOTE SELECTOR SWITCH AT EQP MARSHALLING BOX

LOCAL = EQP M.BOX REMOTE = BCU/HMI/SCADA

&

TO TRIP COIL - 1

TO TRIP COIL - 2 OPEN/CLOSE PUSH BUTTON CONTROLS AT GCP

OPEN CLOSE

D) INTERLOCKS FOR OPENING FROM REMOTE (GCP) EQP LOCAL/REMOTE SELECTOR SWITCH AT EQP MARSHALLING BOX

LOCAL = EQP M.BOX REMOTE = GCP TO TRIP COIL - 1

GT3 INTLKS FROM GCP

File: PG725000-003.xls

NOTE:

OPEN/CLOSE PUSH BUTTON CONTROLS AT GCP

&

TO TRIP COIL - 2

OPEN CLOSE

CLIENT

*

THESE INTERLOCKS APPLY TO OPERATION OF CIRCUIT BREAKER FROM THE EQUIPMENT MARSHALLING BOX. OPERATION OF THE CIRCUIT BREAKERS IN GT BAYS IS NOT ALLOWED FROM THE BAY CONTROL & PROTECTION PANEL, BCU/HMI/SCADA.

**

CLOSE POSITION OF THE CIRCUIT BREAKER IS CONFIRMED ONLY IF ALL THE THREE POLES ARE OPEN.

CONTROL & INTERLOCK LOGIC FOR 400kV CIRCUIT BREAKER IN GT-3 (BAY-3)

PROJECT :

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET NEXT SH.

AREVA T&D India Limited

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B

028

029

DF003

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN O/G LINE-2

A) ISOLATOR 4-89A

BUS-2 CVT ISO CLOSED

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

BUS-2 CVT ES OPEN

& 4-89AE OPEN

ISO 4-89A INTLK PERMISSIVE *

4-52CB OPEN***

&

ISO 4-89A CLOSE ORDER

&

ISO 4-89A OPEN ORDER

ISO 4-89A CLOSE REQUEST**

ISO 4-89A OPEN REQUEST**

B) ISOLATOR 4-89B

4-89BE OPEN

& 4-52CB OPEN***

ISO 4-89B CLOSE REQUEST**

ISO 4-89B OPEN REQUEST**

ISO 4-89B INTLK PERMISSIVE *

&

&

ISO 4-89B CLOSE ORDER

ISO 4-89B OPEN ORDER

NOTE:

File: PG725000-003.xls

*

AS INDICATED IN SHEETS: 003, 004, 005, 006 FOR CONTROL LOGIC OF ISOLATORS, THE INTERLOCK PERMISSIVE WILL BE WIRED IN THE CONTROL CIRCUIT OF ISOLATORS TO ENSURE THAT COMMAND WILL BE EXECUTED ONLY WHEN THE INTERLOCKS ARE SATISFIED.

**

CLOSING & OPENING REQUEST OF ISOLATORS CAN BE GIVEN FROM ANY CONTROL LEVELS DEFINED IN SHEETS 003-006, PROVIDED THE ABOVE INTERLOCKS ARE SATISFIED.

***

OPEN POSITION FOR CB IS CONFIRMED ONLY IF ALL THE THREE POLES ARE OPEN

CLIENT PROJECT :

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN O/G LINE-2

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET NEXT SH.

AREVA T&D India Limited

EMI-7604PG754-4-028

B

029

030

DF003

INTERLOCK LOGIC FOR OPERATION OF ISOLATORS IN O/G LINE-2 (CONTD.)

C) ISOLATOR 4-89L

4-89LE OPEN

4-52CB OPEN***

&

ISO 4-89L INTLK PERMISSIVE *

5-52CB OPEN*** ISO 4-89L CLOSE REQUEST **

This drawing and design is the property of AREVA T&D and must not be copied or lent witho

ISO 4-89L OPEN REQUEST **

&

&

ISO 4-89L CLOSE ORDER

ISO 4-89L OPEN ORDER

NOTE: *

AS INDICATED IN SHEETS: 003, 004, 005, 006 FOR CONTROL LOGIC OF ISOLATORS, THE INTERLOCK PERMISSIVE WILL BE WIRED IN THE CONTROL CIRCUIT OF ISOLATORS TO ENSURE THAT COMMAND WILL BE EXECUTED ONLY WHEN THE INTERLOCKS ARE SATISFIED.

**

CLOSING & OPENING REQUEST OF ISOLATORS CAN BE GIVEN FROM ANY CONTROL LEVELS DEFINED IN SHEETS 003-006, PROVIDED THE ABOVE INTERLOCKS ARE SATISFIED.

***

OPEN POSITION FOR CB IS CONFIRMED ONLY IF ALL THE THREE POLES ARE OPEN

CLIENT PROJECT :

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN O/G LINE-2(CONTD.)

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET

NEXT SH.

B

030

031

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

CONTROL & INTERLOCK LOGIC FOR OPERATION OF EARTH SWITCHES IN O/G LINE-2

A) EARTH SWITCH 4-89AE* ISO 4-89A OPEN

ES 4-89AE INTLK PERMISSIVE **

&

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

ISO 4-89B OPEN

OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

&

TO OPEN CIRCUIT

&

TO CLOSING CIRCUIT

OPEN CLOSE

B) EARTH SWITCH 4-89BE* ISO 4-89A OPEN

ES 4-89BE INTLK PERMISSIVE **

& ISO 4-89B OPEN

OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

&

TO OPEN CIRCUIT

&

TO CLOSING CIRCUIT

OPEN CLOSE

C) EARTH SWITCH 4-89LE* ISO 4-89L OPEN

ES 4-89LE INTLK PERMISSIVE **

& DEAD LINE O/G LINE-2 (UNDER VOLTAGE OPERATED) ***

& OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

TO OPEN CIRCUIT

OPEN CLOSE

TO CLOSING CIRCUIT

& NOTE: *

FOR EARTH SWITCHES THERE IS NO REMOTE CONTROL FROM BCU/HMI/SCADA. CONTROL IS POSSIBLE ONLY FROM EQUIPMENT MARSHALLING BOX. ALL THE INTERLOCKS FOR EARTH SWITCH OPERATION ARE VERIFIED IN BCU & AN OUTPUT IS GENERATED FROM BCU WHEN THE INTERLOCKS ARE SATISFIED.

**

THIS INTERLOCK PERMISSIVE IS GENERATED BY THE BCU AND IS HARD WIRED IN THE CONTROL CIRCUIT OF THE EARTH SWITCH. COMMANDS GIVEN FROM THE EQUIPMENT MARSHALLING BOX ARE EXECUTED ONLY WHEN THE INTERLOCKS ARE SATISFIED.

***

LINE U/V PERMISSIVE IS TAKEN THROUGH SOFT FROM LINE DISTANCE PROTECTION RELAY.

CLIENT PROJECT :

CONTROL & INTERLOCK LOGIC FOR OPERATION OF 400kV EARTH SWITCHES IN O/G LINE-2

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET

NEXT SH.

B

031

032

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

CVT SELECTION LOGIC FOR CHECK SYNC OF CIRCUIT BREAKER IN O/G LINE-2

A) RUNNING VOLTS * RUNNING VOLTS

BUS - 2 CVT

B) INCOMING VOLTS ** CASE - I LINE - 2 CVT (4 - CVTB) SELECTED

ISO 4-89L CLOSE

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

CASE - 2 CB 5-52 CLOSE

CB 6-52 CLOSE

ISO 6-89G OPEN

&

BUS-1 CVT SELECTED

ISO 4-89L OPEN

CASE - 3

CB 5-52 CLOSE

ISO 6-89G CLOSE

ICT-1 CVT (6-CVT) SELECTED

&

ISO 4-89L OPEN

NOTE: *

FOR LINE FEEDERS, BUS-2 CVT WILL BE SELECTED AS RUNNING VOLTS AND EXTENDED TO BCU TERMINALS FOR CHECK-SYNC.

**

AT ANY TIME ONLY ONE OF THE CASES WILL BE SUCCESFUL FOR INCOMING VOLTS. BASED ON THE ISOLATOR & CB POSITIONS, THE LOGICS ARE VALIDATED AND OUTPUTS ARE GENERATED FROM THE BCU WHICH ARE WIRED INTO THE PT SELECTION CIRCUIT FOR EXTENSION OF THE APPROPRIATE INCOMING VOLTS TO BCU.

CLIENT PROJECT :

CVT SELECTION LOGIC FOR CHECK-SYNC OF CB IN O/G LINE-2 (BAY-4)

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET

NEXT SH.

B

032

033

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

INTERLOCK LOGIC FOR CLOSING OF CIRCUIT BREAKER IN O/G LINE-2

A) INTERLOCKS IMPLEMENTED AS HARDWIRED AT BMK LEVEL * ES 4-89 AE CLOSE

CB 4-52 LOCAL CLOSING CIRCUIT *

& This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

ES 4-89 BE CLOSE

B) INTERLOCKS IMPLEMENTED AS HARDWIRED AT BAY CONTROL & PROTECTION PANEL ** 86-A TRIP RELAY RESET

86-B TRIP RELAY RESET

CB 4-52 CLOSING CIRCUIT **

& A/R LK-OUT TRIP RELAY (86-LO) RESET BBP RELAY RESET C) INTERLOCKS IMPLEMENTED IN SOFT LOGIC IN BCU *** 86-A TRIP RELAY RESET

RUNNING (BUS-2 CVT) VOLTS

86-B TRIP RELAY RESET A/R LK-OUT TRIP RELAY (86-LO) RESET BBP RELAY RESET ISO 4-89A CLOSE

&

VALIDATION OF CHECK-SYNC CONDITIONS IN BCU**

CB 4-52 CLOSE ORDER

ISO 4-89B CLOSE L/R SS AT CB 4-52 M.BOX IN REMOTE MODE

SELECTED INCOMING VOLTS (REFER SH: 032)

CLOSE REQUEST FROM BCU/SCADA/HMI TRIP CIRCUIT - 1 & 2 HEALTHY NOTE: *

THESE INTERLOCKS APPLY TO CLOSE OPERATION OF CIRCUIT BREAKER FROM THE EQUIPMENT MARSHALLING BOX.

**

THESE HARDWIRED INTERLOCKS APPLY TO THE CONTROL USING TNC SWITCH ON THE BAY CONTROL & PROTECTION PANEL. IN CASE OF CLOSING FROM BCU/HMI/SCADA, THESE HARDWIRED INTERLOCKS MUST BE SATISFIED IN ADDITION TO THE SOFT LOGICS BUILT IN THE BCU.

***

THESE LOGICS APPLY FOR THE CLOSE OPERATION FROM BCU/HMI/SCADA. THESE LOGICS APPLY FOR AUTO RECLOSE CLOSE COMMAND ISSUED BY THE BCU. A/R CLOSING WILL SUCCESFUL ONLY IF THE INTERLOCKS ARE THROUGH.

File: PG725000-003.xls

CLIENT PROJECT :

INTERLOCK LOGIC FOR CLOSING OF 400kV CIRCUIT BREAKER IN O/G LINE-2

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET NEXT SH.

AREVA T&D India Limited

EMI-7604PG754-4-028

B

033

034

DF003

INTERLOCK LOGIC FOR OPENING OF CIRCUIT BREAKER IN O/G LINE-2

A) INTERLOCKS FOR OPENING FROM BMK LEVEL *

CB CLOSE ***

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

EQP LOCAL/REMOTE SELECTOR SWITCH AT EQP MARSHALLING BOX

LOCAL = EQP M.BOX REMOTE = BCU/HMI/SCADA

&

TO TRIP COIL - 1

TO TRIP COIL - 2 OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

OPEN CLOSE

B) INTERLOCKS FOR OPENING FROM REMOTE **

CB CLOSE ***

EQP LOCAL/REMOTE SELECTOR SWITCH AT EQP MARSHALLING BOX

LOCAL = EQP M.BOX REMOTE = BCU/HMI/SCADA

TO TRIP COIL - 1

& TO TRIP COIL - 2

CB OPEN REQUEST *

NOTE: *

THESE INTERLOCKS ARE APPLICABLE FOR OPERATION FROM EQP. MARSHALLING BOX.

**

THESE INTERLOCKS ARE APPLICABLE FOR OPERATION FROM BCU/HMI/SCADA. THESE LOGICS ARE BUILT IN THE BCU.

***

CB CLOSE POSITION IS CONFIRMED ONLY WHEN ALL THE THREE POLES ARE CLOSED.

File: PG725000-003.xls

CLIENT PROJECT :

INTERLOCK LOGIC FOR OPENING OF 400kV CIRCUIT BREAKER IN O/G LINE-2

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET NEXT SH.

AREVA T&D India Limited

EMI-7604PG754-4-028

B

034

035

DF003

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN TIE-2

A) ISOLATOR 5-89A

5-89AE OPEN

&

ISO 5-89A INTLK PERMISSIVE*

5-52CB OPEN***

ISO 5-89A CLOSE REQUEST**

ISO 5-89A OPEN REQUEST**

&

ISO 5-89A CLOSE ORDER

&

ISO 5-89A OPEN ORDER

A) ISOLATOR 5-89B

ISO 5-89B INTLK PERMISSIVE*

5-89BE OPEN

& 5-52CB OPEN***

&

ISO 5-89B CLOSE ORDER

&

ISO 5-89B OPEN ORDER

ISO 5-89B CLOSE REQUEST**

ISO 5-89B OPEN REQUEST**

NOTE: *

AS INDICATED IN SHEETS: 003, 004, 005, 006 FOR CONTROL LOGIC OF ISOLATORS, THE INTERLOCK PERMISSIVE WILL BE WIRED IN THE CONTROL CIRCUIT OF ISOLATORS TO ENSURE THAT COMMAND WILL BE EXECUTED ONLY WHEN THE INTERLOCKS ARE SATISFIED.

**

CLOSING & OPENING REQUEST OF ISOLATORS CAN BE GIVEN FROM ANY CONTROL LEVELS DEFINED IN SHEETS 003-006, PROVIDED THE ABOVE INTERLOCKS ARE SATISFIED.

***

OPEN POSITION FOR CB IS CONFIRMED ONLY IF ALL THE THREE POLES ARE OPEN

File: PG725000-003.xls

CLIENT PROJECT :

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN TIE-2

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET NEXT SH.

AREVA T&D India Limited

EMI-7604PG754-4-028

B

035

036

DF003

CONTROL & INTERLOCK LOGIC FOR OPERATION OF EARTH SWITCHES IN TIE-2

A) EARTH SWITCH 5-89AE* ISO 5-89A OPEN ES 5-89AE INTLK PERMISSIVE **

& ISO 5-89B OPEN

OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

&

TO OPEN CIRCUIT

&

TO CLOSING CIRCUIT

OPEN CLOSE

B) EARTH SWITCH 5-89BE* ISO 5-89A OPEN ES 5-89BE INTLK PERMISSIVE **

& ISO 5-89B OPEN

OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

&

TO OPEN CIRCUIT

&

TO CLOSING CIRCUIT

OPEN CLOSE

NOTE: *

FOR EARTH SWITCHES THERE IS NO REMOTE CONTROL FROM BCU/HMI/SCADA. CONTROL IS POSSIBLE ONLY FROM EQUIPMENT MARSHALLING BOX. ALL THE INTERLOCKS FOR EARTH SWITCH OPERATION ARE VERIFIED IN BCU & AN OUTPUT IS GENERATED FROM BCU WHEN THE INTERLOCKS ARE SATISFIED.

**

THIS INTERLOCK PERMISSIVE IS GENERATED BY THE BCU AND IS HARD WIRED IN THE CONTROL CIRCUIT OF THE EARTH SWITCH. COMMANDS GIVEN FROM THE EQUIPMENT MARSHALLING BOX ARE EXECUTED ONLY WHEN THE INTERLOCKS ARE SATISFIED.

File: PG725000-003.xls

CLIENT PROJECT :

CONTROL & INTERLOCK LOGIC FOR OPERATION OF 400kV EARTH SWITCHES IN TIE-2 (BAY-5)

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET NEXT SH.

AREVA T&D India Limited

EMI-7604PG754-4-028

B

036

037

DF003

CVT SELECTION LOGIC FOR CHECK SYNC OF CIRCUIT BREAKER IN TIE-2

A) RUNNING VOLTS * CASE - I ICT CVT (6 - CVT) SELECTED

ISO 6-89G CLOSE

CASE - 2 CB 6-52 CLOSE

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

&

BUS-1 CVT SELECTED

CB 6-89G OPEN

B) INCOMING VOLTS * CASE - I LINE - 2 CVT (4 - CVTB) SELECTED

ISO 4-89L CLOSE CASE - 2 CB 4-52 CLOSE

&

BUS-2 CVT SELECTED

CB 4-89L OPEN

NOTE:

*

AT ANY TIME ONLY ONE OF THE CASES WILL BE SUCCESFUL FOR INCOMING /RUNNING VOLTS. BASED ON THE ISOLATOR & CB POSITIONS, THE LOGICS ARE VALIDATED AND OUTPUTS ARE GENERATED FROM THE BCU WHICH ARE WIRED INTO THE PT SELECTION CIRCUIT FOR EXTENSION OF THE APPROPRIATE INCOMING/RUNNING VOLTS TO BCU.

CLIENT PROJECT :

CVT SELECTION LOGIC FOR CHECK-SYNC OF CB IN TIE-2 (BAY-5)

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

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037

038

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

INTERLOCK LOGIC FOR CLOSING OF CIRCUIT BREAKER IN TIE-2

A) INTERLOCKS IMPLEMENTED AS HARDWIRED AT BMK LEVEL * ES 5-89 AE CLOSE

CB 5-52 LOCAL CLOSING CIRCUIT *

& This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

ES 5-89 BE CLOSE B) INTERLOCKS IMPLEMENTED AS HARDWIRED AT BAY CONTROL & PROTECTION PANEL ** O/G LINE-2 86-A TRIP RELAY RESET 86-B TRIP RELAY RESET

ICT-1 86-A TRIP RELAY RESET 86-B TRIP RELAY RESET

CB 5-52 CLOSING CIRCUIT**

&

TIE-2 A/R LK-OUT TRIP RELAY (86-LO) RESET

C) INTERLOCKS IMPLEMENTED IN SOFT LOGIC IN BCU *** TIE-2 A/R LK-OUT TRIP RELAY (86-LO) RESET SELECTED RUNNING VOLTS (REFER SH:037)

O/G LINE-2 86-A TRIP RELAY RESET 86-B TRIP RELAY RESET

ICT-1 86-A TRIP RELAY RESET 86-B TRIP RELAY RESET

& ISO 5-89A CLOSE

VALIDATION OF CHECK-SYNC CONDITIONS IN BCU**

CB 5-52 CLOSE ORDER

ISO 5-89B CLOSE

TRIP CIRCUIT - 1 & 2 HEALTHY

SELECTED INCOMING VOLTS (REFER SH: 037)

L/R SS AT CB 5-52 M.BOX IN REMOTE MODE CLOSE REQUEST FROM BCU/SCADA/HMI NOTE: *

THESE INTERLOCKS APPLY TO CLOSE OPERATION OF CIRCUIT BREAKER FROM THE EQUIPMENT MARSHALLING BOX.

**

THESE HARDWIRED INTERLOCKS APPLY TO THE CONTROL USING TNC SWITCH ON THE BAY CONTROL & PROTECTION PANEL. IN CASE OF CLOSING FROM BCU/HMI/SCADA, THESE HARDWIRED INTERLOCKS MUST BE SATISFIED IN ADDITION TO THE SOFT LOGICS BUILT IN THE BCU.

***

THESE LOGICS APPLY FOR THE CLOSE OPERATION FROM BCU/HMI/SCADA. THESE LOGICS APPLY FOR AUTO RECLOS CLOSE COMMAND ISSUED BY THE BCU. A/R CLOSING WILL SUCCESFUL ONLY IF THE INTERLOCKS ARE THROUGH.

File: PG725000-003.xls

CLIENT

INTERLOCK LOGIC FOR CLOSING OF 400kV CIRCUIT BREAKER IN TIE-2

PROJECT :

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

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038

039

DF003

INTERLOCK LOGIC FOR OPENING OF CIRCUIT BREAKER IN TIE-2

A) INTERLOCKS FOR OPENING FROM BMK LEVEL *

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

CB CLOSE ***

EQP LOCAL/REMOTE SELECTOR SWITCH AT EQP MARSHALLING BOX

LOCAL = EQP M.BOX REMOTE = BCU/HMI/SCADA

&

TO TRIP COIL - 1

TO TRIP COIL - 2 OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

OPEN CLOSE

B) INTERLOCKS FOR REMOTE OPENING **

CB CLOSE ***

EQP LOCAL/REMOTE SELECTOR SWITCH AT EQP MARSHALLING BOX

LOCAL = EQP M.BOX REMOTE = BCU/HMI/SCADA

TO TRIP COIL - 1

& TO TRIP COIL - 2

CB OPEN REQUEST

NOTE: *

THESE INTERLOCKS ARE APPLICABLE FOR OPERATION FROM EQP. MARSHALLING BOX.

**

THESE INTERLOCKS ARE APPLICABLE FOR OPERATION FROM BCU/HMI/SCADA. THESE LOGICS ARE BUILT IN THE BCU.

***

CB CLOSE POSITION IS CONFIRMED ONLY WHEN ALL THE THREE POLES ARE CLOSED.

File: PG725000-003.xls

CLIENT PROJECT :

INTERLOCK LOGIC FOR OPENING OF 400kV CIRCUIT BREAKER IN TIE-2

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

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039

040

DF003

INTERLOCK LOGIC FOR OPERATION OF400kV ISOLATORS IN ICT-1

A) ISOLATOR 6-89B BUS-1 CVT ISO CLOSED

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

BUS-1 CVT ES OPEN

6-89BE OPEN

&

ISO 6-89B INTLK PERMISSIVE *

6-52CB OPEN***

&

ISO 6-89B CLOSE ORDER

&

ISO 6-89B OPEN ORDER

ISO 6-89B CLOSE REQUEST**

ISO 6-89B OPEN REQUEST**

B) ISOLATOR 6-89A

ISO 6-89A INTLK PERMISSIVE *

6-89AE OPEN

& 6-52CB OPEN***

&

ISO 6-89A CLOSE ORDER

&

ISO 6-89A OPEN ORDER

ISO 6-89A CLOSE REQUEST**

ISO 6-89A OPEN REQUEST**

NOTE:

File: PG725000-003.xls

*

AS INDICATED IN SHEETS: 003, 004, 005, 006 FOR CONTROL LOGIC OF ISOLATORS, THE INTERLOCK PERMISSIVE WILL BE WIRED IN THE CONTROL CIRCUIT OF ISOLATORS TO ENSURE THAT COMMAND WILL BE EXECUTED ONLY WHEN THE INTERLOCKS ARE SATISFIED.

**

CLOSING & OPENING REQUEST OF ISOLATORS CAN BE GIVEN FROM ANY CONTROL LEVELS DEFINED IN SHEETS 003-006, PROVIDED THE ABOVE INTERLOCKS ARE SATISFIED.

***

OPEN POSITION FOR CB IS CONFIRMED ONLY IF ALL THE THREE POLES ARE OPEN

CLIENT PROJECT :

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN ICT-1

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

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040

041

DF003

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN ICT-1 (CONTD.)

C) ISOLATOR 6-89G 6-89GE OPEN

6-52CB OPEN***

&

ISO 6-89G INTLK PERMISSIVE *

5-52CB OPEN*** ISO 6-89G CLOSE REQUEST**

This drawing and design is the property of AREVA T&D and must not be copied or lent witho

ISO 6-89G OPEN REQUEST**

&

ISO 6-89G CLOSE ORDER

&

ISO 6-89G OPEN ORDER

NOTE: *

AS INDICATED IN SHEETS: 003, 004, 005, 006 FOR CONTROL LOGIC OF ISOLATORS, THE INTERLOCK PERMISSIVE WILL BE WIRED IN THE CONTROL CIRCUIT OF ISOLATORS TO ENSURE THAT COMMAND WILL BE EXECUTED ONLY WHEN THE INTERLOCKS ARE SATISFIED.

**

CLOSING & OPENING REQUEST OF ISOLATORS CAN BE GIVEN FROM ANY CONTROL LEVELS DEFINED IN SHEETS 003-006, PROVIDED THE ABOVE INTERLOCKS ARE SATISFIED.

***

OPEN POSITION FOR CB IS CONFIRMED ONLY IF ALL THE THREE POLES ARE OPEN

File: PG725000-003.xls

CLIENT PROJECT :

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN ICT-1 (CONTD.)

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

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SHEET

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B

041

042

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

CONTROL & INTERLOCK LOGIC FOR OPERATION OF EARTH SWITCHES IN ICT-1

A) EARTH SWITCH 6-89AE* ISO 6-89A OPEN

ES 6-89AE INTLK PERMISSIVE **

&

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

ISO 6-89B OPEN

OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

&

TO OPEN CIRCUIT

&

TO CLOSING CIRCUIT

OPEN CLOSE

B) EARTH SWITCH 6-89BE* ISO 6-89A OPEN

ES 6-89BE INTLK PERMISSIVE **

& ISO 6-89B OPEN

OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

&

TO OPEN CIRCUIT

&

TO CLOSING CIRCUIT

OPEN CLOSE

C) EARTH SWITCH 6-89GE*

ES 6-89GE INTLK PERMISSIVE **

ISO 6-89G OPEN

& ICT LV CB OPEN

& OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

TO OPEN CIRCUIT

OPEN CLOSE

TO CLOSING CIRCUIT

& NOTE: *

FOR EARTH SWITCHES THERE IS NO REMOTE CONTROL FROM BCU/HMI/SCADA. CONTROL IS POSSIBLE ONLY FROM EQUIPMENT MARSHALLING BOX. ALL THE INTERLOCKS FOR EARTH SWITCH OPERATION ARE VERIFIED IN BCU & AN OUTPUT IS GENERATED FROM BCU WHEN THE INTERLOCKS ARE SATISFIED.

**

THIS INTERLOCK PERMISSIVE IS GENERATED BY THE BCU AND IS HARD WIRED IN THE CONTROL CIRCUIT OF THE EARTH SWITCH. COMMANDS GIVEN FROM THE EQUIPMENT MARSHALLING BOX ARE EXECUTED ONLY WHEN THE INTERLOCKS ARE SATISFIED.

CLIENT PROJECT :

CONTROL & INTERLOCK LOGIC FOR OPERATION OF 400kV EARTH SWITCHES IN ICT-1

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

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SHEET

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B

042

043

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

CVT SELECTION LOGIC FOR CHECK SYNC OF CIRCUIT BREAKER IN ICT-1

A) RUNNING VOLTS * BUS - 1 CVT

RUNNING VOLTS

B) INCOMING VOLTS ** CASE - I ISO 4-89L CLOSE

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

CB 4-52 OPEN

&

LINE - 2 CVT (4 - CVTB) SELECTED

CB 5-52 CLOSE CASE - 2 ICT -1 CVT (6 - CVT) SELECTED

ISO 6-89G CLOSE CASE - 3 CB 4-52 CLOSE

CB 5-52 CLOSE

&

BUS-2 CVT SELECTED

ISO 6-89G OPEN

NOTE: *

FOR ICT BAYS, BUS-1 CVT WILL BE SELECTED AS RUNNING VOLTS AND EXTENDED TO BCU TERMINALS FOR CHECK-SYNC.

**

AT ANY TIME ONLY ONE OF THE CASES WILL BE SUCCESFUL FOR INCOMING VOLTS. BASED ON THE ISOLATOR & CB POSITIONS, THE LOGICS ARE VALIDATED AND OUTPUTS ARE GENERATED FROM THE BCU WHICH ARE WIRED INTO THE PT SELECTION CIRCUIT FOR EXTENSION OF THE APPROPRIATE INCOMING VOLTS TO BCU.

CLIENT PROJECT :

CVT SELECTION LOGIC FOR CHECK-SYNC OF CB IN ICT-1 (BAY-6)

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

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B

043

044

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

INTERLOCK LOGIC FOR CLOSING OF CIRCUIT BREAKER IN ICT-1

A) INTERLOCKS IMPLEMENTED AS HARDWIRED AT BMK LEVEL * ES 6-89 AE CLOSE

CB 6-52 LOCAL CLOSING CIRCUIT *

& This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

ES 6-89 BE CLOSE

B) INTERLOCKS IMPLEMENTED AS HARDWIRED AT BAY CONTROL & PROTECTION PANEL ** 86-A TRIP RELAY RESET

86-B TRIP RELAY RESET

CB 6-52 CLOSING CIRCUIT **

&

BBP RELAY RESET

C) INTERLOCKS IMPLEMENTED IN SOFT LOGIC IN BCU *** 86-A TRIP RELAY RESET RUNNING (BUS-1 CVT) VOLTS

86-B TRIP RELAY RESET

BBP RELAY RESET ISO 6-89A CLOSE

&

VALIDATION OF CHECK-SYNC CONDITIONS IN BCU**

CB 6-52 CLOSE ORDER

ISO 6-89B CLOSE L/R SS AT CB 6-52 M.BOX IN REMOTE MODE

SELECTED INCOMING VOLTS (REFER SH: 043)

CLOSE REQUEST FROM BCU/SCADA/HMI TRIP CIRCUIT - 1 & 2 HEALTHY

File: PG725000-003.xls

NOTE: *

THESE INTERLOCKS APPLY TO CLOSE OPERATION OF CIRCUIT BREAKER FROM THE EQUIPMENT MARSHALLING BOX.

**

THESE HARDWIRED INTERLOCKS APPLY TO THE CONTROL USING TNC SWITCH ON THE BAY CONTROL & PROTECTION PANEL. IN CASE OF CLOSING FROM BCU/HMI/SCADA, THESE HARDWIRED INTERLOCKS MUST BE SATISFIED IN ADDITION TO THE SOFT LOGICS BUILT IN THE BCU.

***

THESE LOGICS APPLY FOR THE CLOSE OPERATION FROM BCU/HMI/SCADA. THESE LOGICS APPLY FOR AUTO RECLOSE CLOSE COMMAND ISSUED BY THE BCU. A/R CLOSING WILL SUCCESFUL ONLY IF THE INTERLOCKS ARE THROUGH.

CLIENT PROJECT :

INTERLOCK LOGIC FOR CLOSING OF 400kV CIRCUIT BREAKER IN ICT-1

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

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EMI-7604PG754-4-028

B

044

045

DF003

INTERLOCK LOGIC FOR OPENING OF CIRCUIT BREAKER IN ICT-1

A) INTERLOCKS FOR OPENING FROM BMK LEVEL *

CB CLOSE ***

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

EQP LOCAL/REMOTE SELECTOR SWITCH AT EQP MARSHALLING BOX

LOCAL = EQP M.BOX REMOTE = BCU/HMI/SCADA

&

TO TRIP COIL - 1

TO TRIP COIL - 2 OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

OPEN CLOSE

B) INTERLOCKS FOR OPENING FROM REMOTE **

CB CLOSE ***

EQP LOCAL/REMOTE SELECTOR SWITCH AT EQP MARSHALLING BOX

LOCAL = EQP M.BOX REMOTE = BCU/HMI/SCADA

TO TRIP COIL - 1

& TO TRIP COIL - 2

CB OPEN REQUEST *

NOTE: *

THESE INTERLOCKS ARE APPLICABLE FOR OPERATION FROM EQP. MARSHALLING BOX.

**

THESE INTERLOCKS ARE APPLICABLE FOR OPERATION FROM BCU/HMI/SCADA. THESE LOGICS ARE BUILT IN THE BCU.

***

CB CLOSE POSITION IS CONFIRMED ONLY WHEN ALL THE THREE POLES ARE CLOSED.

File: PG725000-003.xls

CLIENT PROJECT :

INTERLOCK LOGIC FOR OPENING OF 400kV CIRCUIT BREAKER IN ICT-1

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

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045

046

DF003

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN O/G LINE-3

A) ISOLATOR 7-89A BUS-2 CVT ISO CLOSED

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

BUS-2 CVT ES OPEN

& 7-89AE OPEN

ISO 7-89A INTLK PERMISSIVE *

7-52CB OPEN***

&

ISO 7-89A CLOSE ORDER

&

ISO 7-89A OPEN ORDER

ISO 7-89A CLOSE REQUEST**

ISO 7-89A OPEN REQUEST**

B) ISOLATOR 7-89B

7-89BE OPEN

& 7-52CB OPEN***

ISO 7-89B CLOSE REQUEST**

ISO 7-89B OPEN REQUEST**

ISO 7-89B INTLK PERMISSIVE *

&

&

ISO 7-89B CLOSE ORDER

ISO 7-89B OPEN ORDER

NOTE: *

AS INDICATED IN SHEETS: 003, 004, 005, 006 FOR CONTROL LOGIC OF ISOLATORS, THE INTERLOCK PERMISSIVE WILL BE WIRED IN THE CONTROL CIRCUIT OF ISOLATORS TO ENSURE THAT COMMAND WILL BE EXECUTED ONLY WHEN THE INTERLOCKS ARE SATISFIED.

**

CLOSING & OPENING REQUEST OF ISOLATORS CAN BE GIVEN FROM ANY CONTROL LEVELS DEFINED IN SHEETS 003-006, PROVIDED THE ABOVE INTERLOCKS ARE SATISFIED.

***

OPEN POSITION FOR CB IS CONFIRMED ONLY IF ALL THE THREE POLES ARE OPEN

File: PG725000-003.xls

CLIENT PROJECT :

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN O/G LINE-3

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET NEXT SH.

AREVA T&D India Limited

EMI-7604PG754-4-028

B

046

047

DF003

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN O/G LINE-3 (CONTD.)

C) ISOLATOR 7-89L 7-89LE OPEN

7-52CB OPEN***

&

ISO 7-89L INTLK PERMISSIVE*

8-52CB OPEN*** ISO 7-89L CLOSE REQUEST **

This drawing and design is the property of AREVA T&D and must not be copied or lent without p

ISO 7-89L OPEN REQUEST **

&

&

ISO 7-89L CLOSE ORDER

ISO 7-89L OPEN ORDER

NOTE: *

AS INDICATED IN SHEETS: 003, 004, 005, 006 FOR CONTROL LOGIC OF ISOLATORS, THE INTERLOCK PERMISSIVE WILL BE WIRED IN THE CONTROL CIRCUIT OF ISOLATORS TO ENSURE THAT COMMAND WILL BE EXECUTED ONLY WHEN THE INTERLOCKS ARE SATISFIED.

**

CLOSING & OPENING REQUEST OF ISOLATORS CAN BE GIVEN FROM ANY CONTROL LEVELS DEFINED IN SHEETS 003-006, PROVIDED THE ABOVE INTERLOCKS ARE SATISFIED.

***

OPEN POSITION FOR CB IS CONFIRMED ONLY IF ALL THE THREE POLES ARE OPEN CLIENT PROJECT :

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN O/G LINE-3 (CONTD.)

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

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SHEET

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B

047

048

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

CONTROL & INTERLOCK LOGIC FOR OPERATION OF EARTH SWITCHES IN O/G LINE-3

A) EARTH SWITCH 7-89AE* ISO 7-89A OPEN

ES 7-89AE INTLK PERMISSIVE **

&

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

ISO 7-89B OPEN

OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

&

TO OPEN CIRCUIT

&

TO CLOSING CIRCUIT

OPEN CLOSE

B) EARTH SWITCH 7-89BE* ISO 7-89A OPEN

ES 7-89BE INTLK PERMISSIVE **

& ISO 7-89B OPEN

OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

&

TO OPEN CIRCUIT

&

TO CLOSING CIRCUIT

OPEN CLOSE

C) EARTH SWITCH 7-89LE* ISO 7-89L OPEN

ES 7-89LE INTLK PERMISSIVE **

& DEAD LINE O/G LINE-3 (UNDER VOLTAGE OPERATED) ***

& OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

TO OPEN CIRCUIT

OPEN CLOSE

TO CLOSING CIRCUIT

& NOTE: *

FOR EARTH SWITCHES THERE IS NO REMOTE CONTROL FROM BCU/HMI/SCADA. CONTROL IS POSSIBLE ONLY FROM EQUIPMENT MARSHALLING BOX. ALL THE INTERLOCKS FOR EARTH SWITCH OPERATION ARE VERIFIED IN BCU & AN OUTPUT IS GENERATED FROM BCU WHEN THE INTERLOCKS ARE SATISFIED.

**

THIS INTERLOCK PERMISSIVE IS GENERATED BY THE BCU AND IS HARD WIRED IN THE CONTROL CIRCUIT OF THE EARTH SWITCH. COMMANDS GIVEN FROM THE EQUIPMENT MARSHALLING BOX ARE EXECUTED ONLY WHEN THE INTERLOCKS ARE SATISFIED.

***

LINE U/V PERMISSIVE IS TAKEN THROUGH SOFT FROM LINE DISTANCE PROTECTION RELAY.

CLIENT PROJECT :

CONTROL & INTERLOCK LOGIC FOR OPERATION OF 400kV EARTH SWITCHES IN O/G LINE-3

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

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SHEET

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B

048

049

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

CVT SELECTION LOGIC FOR CHECK SYNC OF CIRCUIT BREAKER IN O/G LINE-3

A) RUNNING VOLTS * BUS - 2 CVT

RUNNING VOLTS

B) INCOMING VOLTS ** CASE - I LINE - 3 CVT (7 - CVTB) SELECTED

ISO 7-89L CLOSE

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

CASE - 2 CB 8-52 CLOSE

CB 9-52 CLOSE

&

BUS-1 CVT SELECTED

&

ICT-2 CVT (9-CVT) SELECTED

ISO 9-89G OPEN

ISO 7-89L OPEN CASE - 3 CB 8-52 CLOSE

ISO 7-89L OPEN

ISO 9-89G CLOSE

NOTE: *

FOR LINE FEEDERS, BUS-2 CVT WILL BE SELECTED AS RUNNING VOLTS AND EXTENDED TO BCU TERMINALS FOR CHECK-SYNC.

**

AT ANY TIME ONLY ONE OF THE CASES WILL BE SUCCESFUL FOR INCOMING VOLTS. BASED ON THE ISOLATOR & CB POSITIONS, THE LOGICS ARE VALIDATED AND OUTPUTS ARE GENERATED FROM THE BCU WHICH ARE WIRED INTO THE PT SELECTION CIRCUIT FOR EXTENSION OF THE APPROPRIATE INCOMING VOLTS TO BCU.

CLIENT PROJECT :

CVT SELECTION LOGIC FOR CHECK-SYNC OF CB IN O/G LINE-3 (BAY-7)

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

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SHEET

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B

049

050

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

INTERLOCK LOGIC FOR CLOSING OF CIRCUIT BREAKER IN O/G LINE-3

A) INTERLOCKS IMPLEMENTED AS HARDWIRED AT BMK LEVEL *

ES 7-89 AE CLOSE

CB 7-52 LOCAL CLOSING CIRCUIT *

& This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

ES 7-89 BE CLOSE

B) INTERLOCKS IMPLEMENTED AS HARDWIRED AT BAY CONTROL & PROTECTION PANEL **

86-A TRIP RELAY RESET

86-B TRIP RELAY RESET

CB 7-52 CLOSING CIRCUIT **

& A/R LK-OUT TRIP RELAY (86-LO) RESET BBP RELAY RESET C) INTERLOCKS IMPLEMENTED IN SOFT LOGIC IN BCU ***

86-A TRIP RELAY RESET RUNNING (BUS-2 CVT) VOLTS

86-B TRIP RELAY RESET A/R LK-OUT TRIP RELAY (86-LO) RESET BBP RELAY RESET ISO 7-89A CLOSE

&

VALIDATION OF CHECK-SYNC CONDITIONS IN BCU**

CB 7-52 CLOSE ORDER

ISO 7-89B CLOSE L/R SS AT CB 7-52 M.BOX IN REMOTE MODE

SELECTED INCOMING VOLTS (REFER SH: 049)

CLOSE REQUEST FROM BCU/SCADA/HMI TRIP CIRCUIT - 1 & 2 HEALTHY NOTE: *

THESE INTERLOCKS APPLY TO CLOSE OPERATION OF CIRCUIT BREAKER FROM THE EQUIPMENT MARSHALLING BOX.

**

THESE HARDWIRED INTERLOCKS APPLY TO THE CONTROL USING TNC SWITCH ON THE BAY CONTROL & PROTECTION PANEL. IN CASE OF CLOSING FROM BCU/HMI/SCADA, THESE HARDWIRED INTERLOCKS MUST BE SATISFIED IN ADDITION TO THE SOFT LOGICS BUILT IN THE BCU.

***

THESE LOGICS APPLY FOR THE CLOSE OPERATION FROM BCU/HMI/SCADA. THESE LOGICS APPLY FOR AUTO RECLOS CLOSE COMMAND ISSUED BY THE BCU. A/R CLOSING WILL SUCCESFUL ONLY IF THE INTERLOCKS ARE THROUGH.

File: PG725000-003.xls

CLIENT

INTERLOCK LOGIC FOR CLOSING OF 400kV CIRCUIT BREAKER IN O/G LINE-3

PROJECT :

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

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SHEET NEXT SH.

AREVA T&D India Limited

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B

050

051

DF003

INTERLOCK LOGIC FOR OPENING OF CIRCUIT BREAKER IN O/G LINE-3

A) INTERLOCKS FOR OPENING FROM BMK LEVEL * CB CLOSE ***

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

EQP LOCAL/REMOTE SELECTOR SWITCH AT EQP MARSHALLING BOX

LOCAL = EQP M.BOX REMOTE = BCU/HMI/SCADA

&

TO TRIP COIL - 1

TO TRIP COIL - 2 OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

OPEN CLOSE

B) INTERLOCKS FOR REMOTE OPENING **

CB CLOSE ***

EQP LOCAL/REMOTE SELECTOR SWITCH AT EQP MARSHALLING BOX

LOCAL = EQP M.BOX REMOTE = BCU/HMI/SCADA

TO TRIP COIL - 1

& TO TRIP COIL - 2

CB OPEN REQUEST *

NOTE: *

THESE INTERLOCKS ARE APPLICABLE FOR OPERATION FROM EQP. MARSHALLING BOX.

**

THESE INTERLOCKS ARE APPLICABLE FOR OPERATION FROM BCU/HMI/SCADA. THESE LOGICS ARE BUILT IN THE BCU.

***

CB CLOSE POSITION IS CONFIRMED ONLY WHEN ALL THE THREE POLES ARE CLOSED.

File: PG725000-003.xls

CLIENT PROJECT :

INTERLOCK LOGIC FOR OPENING OF 400kV CIRCUIT BREAKER IN O/G LINE-3

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET NEXT SH.

AREVA T&D India Limited

EMI-7604PG754-4-028

B

051

052

DF003

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN TIE-3

A) ISOLATOR 8-89A

8-89AE OPEN

& ISO 8-89A INTLK PERMISSIVE *

8-52CB OPEN***

ISO 8-89A CLOSE REQUEST**

ISO 8-89A OPEN REQUEST**

&

ISO 8-89A CLOSE ORDER

&

ISO 8-89A OPEN ORDER

A) ISOLATOR 8-89B

ISO 8-89B INTLK PERMISSIVE *

8-89BE OPEN

& 8-52CB OPEN***

&

ISO 8-89B CLOSE ORDER

ISO 8-89B CLOSE REQUEST**

ISO 8-89B OPEN REQUEST**

&

ISO 8-89B OPEN ORDER

NOTE: *

AS INDICATED IN SHEETS: 003, 004, 005, 006 FOR CONTROL LOGIC OF ISOLATORS, THE INTERLOCK PERMISSIVE WILL BE WIRED IN THE CONTROL CIRCUIT OF ISOLATORS TO ENSURE THAT COMMAND WILL BE EXECUTED ONLY WHEN THE INTERLOCKS ARE SATISFIED.

**

CLOSING & OPENING REQUEST OF ISOLATORS CAN BE GIVEN FROM ANY CONTROL LEVELS DEFINED IN SHEETS 003-006, PROVIDED THE ABOVE INTERLOCKS ARE SATISFIED.

***

OPEN POSITION FOR CB IS CONFIRMED ONLY IF ALL THE THREE POLES ARE OPEN

File: PG725000-003.xls

CLIENT PROJECT :

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN TIE-3

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET NEXT SH.

AREVA T&D India Limited

EMI-7604PG754-4-028

B

052

053

DF003

CONTROL & INTERLOCK LOGIC FOR OPERATION OFEARTH SWITCHES IN TIE-3

A) EARTH SWITCH 8-89AE* ISO 8-89A OPEN

ES 8-89AE INTLK PERMISSIVE **

& ISO 8-89B OPEN

OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

&

TO OPEN CIRCUIT

&

TO CLOSING CIRCUIT

OPEN CLOSE

B) EARTH SWITCH 8-89BE* ISO 8-89A OPEN

ES 8-89BE INTLK PERMISSIVE **

& ISO 8-89B OPEN

OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

&

TO OPEN CIRCUIT

&

TO CLOSING CIRCUIT

OPEN CLOSE

NOTE: *

FOR EARTH SWITCHES THERE IS NO REMOTE CONTROL FROM BCU/HMI/SCADA. CONTROL IS POSSIBLE ONLY FROM EQUIPMENT MARSHALLING BOX. ALL THE INTERLOCKS FOR EARTH SWITCH OPERATION ARE VERIFIED IN BCU & AN OUTPUT IS GENERATED FROM BCU WHEN THE INTERLOCKS ARE SATISFIED.

**

THIS INTERLOCK PERMISSIVE IS GENERATED BY THE BCU AND IS HARD WIRED IN THE CONTROL CIRCUIT OF THE EARTH SWITCH. COMMANDS GIVEN FROM THE EQUIPMENT MARSHALLING BOX ARE EXECUTED ONLY WHEN THE INTERLOCKS ARE SATISFIED.

File: PG725000-003.xls

CLIENT PROJECT :

CONTROL & INTERLOCK LOGIC FOR OPERATION OF 400kV EARTH SWITCHES IN TIE-3 (BAY-8)

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET NEXT SH.

AREVA T&D India Limited

EMI-7604PG754-4-028

B

053

054

DF003

CVT SELECTION LOGIC FOR CHECK SYNC OF CIRCUIT BREAKER IN TIE-3

A) RUNNING VOLTS * CASE - I ICT -2 CVT (9 - CVT) SELECTED

ISO 9-89G CLOSE

CASE - 2 CB 9-52 CLOSE

&

BUS-1 CVT SELECTED

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

CB 9-89G OPEN

B) INCOMING VOLTS * CASE - I LINE - 3 CVT (7 - CVTB) SELECTED

ISO 7-89L CLOSE CASE - 2 CB 7-52 CLOSE

&

BUS-2 CVT SELECTED

CB 7-89L OPEN

NOTE:

*

AT ANY TIME ONLY ONE OF THE CASES WILL BE SUCCESFUL FOR INCOMING/RUNNING VOLTS. BASED ON THE ISOLATOR & CB POSITIONS, THE LOGICS ARE VALIDATED AND OUTPUTS ARE GENERATED FROM THE BCU WHICH ARE WIRED INTO THE PT SELECTION CIRCUIT FOR EXTENSION OF THE APPROPRIATE INCOMING/RUNNING VOLTS TO BCU.

CLIENT PROJECT :

CVT SELECTION LOGIC FOR CHECK-SYNC OF CB IN TIE-3 (BAY-8)

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

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B

054

055

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

INTERLOCK LOGIC FOR CLOSING OF CIRCUIT BREAKER IN TIE-3

A) INTERLOCKS IMPLEMENTED AS HARDWIRED AT BMK LEVEL * ES 8-89 AE CLOSE

CB 8-52 LOCAL CLOSING CIRCUIT *

& This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

ES 8-89 BE CLOSE B) INTERLOCKS IMPLEMENTED AS HARDWIRED AT BAY CONTROL & PROTECTION PANEL ** O/G LINE-3 86-A TRIP RELAY RESET 86-B TRIP RELAY RESET ICT-2 86-A TRIP RELAY RESET 86-B TRIP RELAY RESET

CB 8-52 CLOSING CIRCUIT**

&

TIE-3 A/R LK-OUT TRIP RELAY (86-LO) RESET

C) INTERLOCKS IMPLEMENTED IN SOFT LOGIC IN BCU *** TIE-3 A/R LK-OUT TRIP RELAY (86-LO) RESET SELECTED RUNNING VOLTS (REFER SH:054)

O/G LINE-3 86-A TRIP RELAY RESET 86-B TRIP RELAY RESET

ICT-2 86-A TRIP RELAY RESET 86-B TRIP RELAY RESET

& ISO 8-89A CLOSE

VALIDATION OF CHECK-SYNC CONDITIONS IN BCU**

CB 8-52 CLOSE ORDER

ISO 8-89B CLOSE

TRIP CIRCUIT - 1 & 2 HEALTHY

SELECTED INCOMING VOLTS (REFER SH: 054)

L/R SS AT CB 8-52 M.BOX IN REMOTE MODE CLOSE REQUEST FROM BCU/SCADA/HMI

File: PG725000-003.xls

NOTE: *

THESE INTERLOCKS APPLY TO CLOSE OPERATION OF CIRCUIT BREAKER FROM THE EQUIPMENT MARSHALLING BOX.

**

THESE HARDWIRED INTERLOCKS APPLY TO THE CONTROL USING TNC SWITCH ON THE BAY CONTROL & PROTECTION PANEL. IN CASE OF CLOSING FROM BCU/HMI/SCADA, THESE HARDWIRED INTERLOCKS MUST BE SATISFIED IN ADDITION TO THE SOFT LOGICS BUILT IN THE BCU.

***

THESE LOGICS APPLY FOR THE CLOSE OPERATION FROM BCU/HMI/SCADA. THESE LOGICS APPLY FOR AUTO RECLOSE CLOSE COMMAND ISSUED BY THE BCU. A/R CLOSING WILL SUCCESFUL ONLY IF THE INTERLOCKS ARE THROUGH.

CLIENT PROJECT :

INTERLOCK LOGIC FOR CLOSING OF 400kV CIRCUIT BREAKER IN TIE-3

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET NEXT SH.

AREVA T&D India Limited

EMI-7604PG754-4-028

B

055

056

DF003

INTERLOCK LOGIC FOR OPENING OF CIRCUIT BREAKER IN TIE-3

A) INTERLOCKS FOR OPENING FROM BMK LEVEL * CB CLOSE ***

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

EQP LOCAL/REMOTE SELECTOR SWITCH AT EQP MARSHALLING BOX

LOCAL = EQP M.BOX REMOTE = BCU/HMI/SCADA

&

TO TRIP COIL - 1

TO TRIP COIL - 2 OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

OPEN CLOSE

B) INTERLOCKS FOR REMOTE OPENING **

CB CLOSE ***

EQP LOCAL/REMOTE SELECTOR SWITCH AT EQP MARSHALLING BOX

LOCAL = EQP M.BOX REMOTE = BCU/HMI/SCADA

TO TRIP COIL - 1

& TO TRIP COIL - 2

CB OPEN REQUEST

NOTE: *

THESE INTERLOCKS ARE APPLICABLE FOR OPERATION FROM EQP. MARSHALLING BOX.

**

THESE INTERLOCKS ARE APPLICABLE FOR OPERATION FROM BCU/HMI/SCADA. THESE LOGICS ARE BUILT IN THE BCU.

***

CB CLOSE POSITION IS CONFIRMED ONLY WHEN ALL THE THREE POLES ARE CLOSED.

File: PG725000-003.xls

CLIENT PROJECT :

INTERLOCK LOGIC FOR OPENING OF 400kV CIRCUIT BREAKER IN TIE-3

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET NEXT SH.

AREVA T&D India Limited

EMI-7604PG754-4-028

B

056

057

DF003

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN ICT-2

A) ISOLATOR 9-89B BUS-1 CVT ISO CLOSED

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

BUS-1 CVT ES OPEN

9-89BE OPEN

&

ISO 9-89B INTLK PERMISSIVE *

9-52CB OPEN***

&

ISO 9-89B CLOSE ORDER

&

ISO 9-89B OPEN ORDER

ISO 9-89B CLOSE REQUEST**

ISO 9-89B OPEN REQUEST**

B) ISOLATOR 9-89A

ISO 9-89A INTLK PERMISSIVE *

9-89AE OPEN

& 9-52CB OPEN***

&

ISO 9-89A CLOSE ORDER

&

ISO 9-89A OPEN ORDER

ISO 9-89A CLOSE REQUEST**

ISO 9-89A OPEN REQUEST**

NOTE: *

AS INDICATED IN SHEETS: 003, 004, 005, 006 FOR CONTROL LOGIC OF ISOLATORS, THE INTERLOCK PERMISSIVE WILL BE WIRED IN THE CONTROL CIRCUIT OF ISOLATORS TO ENSURE THAT COMMAND WILL BE EXECUTED ONLY WHEN THE INTERLOCKS ARE SATISFIED.

**

CLOSING & OPENING REQUEST OF ISOLATORS CAN BE GIVEN FROM ANY CONTROL LEVELS DEFINED IN SHEETS 003-006, PROVIDED THE ABOVE INTERLOCKS ARE SATISFIED.

***

OPEN POSITION FOR CB IS CONFIRMED ONLY IF ALL THE THREE POLES ARE OPEN

File: PG725000-003.xls

CLIENT PROJECT :

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN ICT-2

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET NEXT SH.

AREVA T&D India Limited

EMI-7604PG754-4-028

B

057

058

DF003

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN ICT-2 (CONTD.)

C) ISOLATOR 9-89G 9-89GE OPEN

8-52CB OPEN***

&

ISO 9-89G INTLK PERMISSIVE *

9-52CB OPEN*** ISO 9-89G CLOSE REQUEST**

This drawing and design is the property of AREVA T&D and must not be copied or lent wi

ISO 9-89G OPEN REQUEST**

&

&

ISO 9-89G CLOSE ORDER

ISO 9-89G OPEN ORDER

NOTE: *

AS INDICATED IN SHEETS: 003, 004, 005, 006 FOR CONTROL LOGIC OF ISOLATORS, THE INTERLOCK PERMISSIVE WILL BE WIRED IN THE CONTROL CIRCUIT OF ISOLATORS TO ENSURE THAT COMMAND WILL BE EXECUTED ONLY WHEN THE INTERLOCKS ARE SATISFIED.

**

CLOSING & OPENING REQUEST OF ISOLATORS CAN BE GIVEN FROM ANY CONTROL LEVELS DEFINED IN SHEETS 003-006, PROVIDED THE ABOVE INTERLOCKS ARE SATISFIED.

***

OPEN POSITION FOR CB IS CONFIRMED ONLY IF ALL THE THREE POLES ARE OPEN

File: PG725000-003.xls

CLIENT PROJECT :

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN ICT-2 (CONTD.)

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET

NEXT SH.

B

058

059

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

CONTROL & INTERLOCK LOGIC FOR OPERATION OF EARTH SWITCHES IN ICT-2

A) EARTH SWITCH 9-89AE* ISO 9-89A OPEN

ES 9-89AE INTLK PERMISSIVE **

&

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

ISO 9-89B OPEN

OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

&

TO OPEN CIRCUIT

&

TO CLOSING CIRCUIT

OPEN CLOSE

B) EARTH SWITCH 9-89BE* ISO 9-89A OPEN

ES 9-89BE INTLK PERMISSIVE **

& ISO 9-89B OPEN

OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

&

TO OPEN CIRCUIT

&

TO CLOSING CIRCUIT

OPEN CLOSE

C) EARTH SWITCH 9-89GE*

ES 9-89GE INTLK PERMISSIVE **

ISO 9-89G OPEN

& OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

TO OPEN CIRCUIT

OPEN CLOSE

TO CLOSING CIRCUIT

& NOTE: *

FOR EARTH SWITCHES THERE IS NO REMOTE CONTROL FROM BCU/HMI/SCADA. CONTROL IS POSSIBLE ONLY FROM EQUIPMENT MARSHALLING BOX. ALL THE INTERLOCKS FOR EARTH SWITCH OPERATION ARE VERIFIED IN BCU & AN OUTPUT IS GENERATED FROM BCU WHEN THE INTERLOCKS ARE SATISFIED.

**

THIS INTERLOCK PERMISSIVE IS GENERATED BY THE BCU AND IS HARD WIRED IN THE CONTROL CIRCUIT OF THE EARTH SWITCH. COMMANDS GIVEN FROM THE EQUIPMENT MARSHALLING BOX ARE EXECUTED ONLY WHEN THE INTERLOCKS ARE SATISFIED.

CLIENT PROJECT :

CONTROL & INTERLOCK LOGIC FOR OPERATION OF 400kV EARTH SWITCHES IN ICT-2

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET

NEXT SH.

B

059

060

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

CVT SELECTION LOGIC FOR CHECK SYNC OF CIRCUIT BREAKER IN ICT-2

A) RUNNING VOLTS * BUS - 1 CVT

RUNNING VOLTS

B) INCOMING VOLTS ** CASE - I ISO 7-89L CLOSE

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

CB 7-52 OPEN

&

LINE - 3 CVT (7 - CVTB) SELECTED

CB 8-52 CLOSE CASE - 2 ICT-2 CVT (9 - CVT) SELECTED

ISO 9-89G CLOSE CASE - 3 CB 7-52 CLOSE

CB 8-52 CLOSE

&

BUS-2 CVT SELECTED

ISO 9-89G OPEN

NOTE: *

FOR ICT BAYS, BUS-1 CVT WILL BE SELECTED AS RUNNING VOLTS AND EXTENDED TO BCU TERMINALS FOR CHECK-SYNC.

**

AT ANY TIME ONLY ONE OF THE CASES WILL BE SUCCESFUL FOR INCOMING/ RUNNING VOLTS. BASED ON THE ISOLATOR & CB POSITIONS, THE LOGICS ARE VALIDATED AND OUTPUTS ARE GENERATED FROM THE BCU WHICH ARE WIRED INTO THE PT SELECTION CIRCUIT FOR EXTENSION OF THE APPROPRIATE INCOMING/ RUNNING VOLTS TO BCU.

CLIENT PROJECT :

CVT SELECTION LOGIC FOR CHECK-SYNC OF CB IN ICT-2 (BAY-9)

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET

NEXT SH.

B

060

061

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

INTERLOCK LOGIC FOR CLOSING OF CIRCUIT BREAKER IN ICT-2

A) INTERLOCKS IMPLEMENTED AS HARDWIRED AT BMK LEVEL * ES 9-89 AE CLOSE

CB 9-52 LOCAL CLOSING CIRCUIT *

& This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

ES 9-89 BE CLOSE

B) INTERLOCKS IMPLEMENTED AS HARDWIRED AT BAY CONTROL & PROTECTION PANEL ** 86-A TRIP RELAY RESET

86-B TRIP RELAY RESET

CB 9-52 CLOSING CIRCUIT **

&

BBP RELAY RESET

C) INTERLOCKS IMPLEMENTED IN SOFT LOGIC IN BCU *** 86-A TRIP RELAY RESET RUNNING (BUS-1 CVT) VOLTS

86-B TRIP RELAY RESET

BBP RELAY RESET ISO 9-89A CLOSE

&

VALIDATION OF CHECK-SYNC CONDITIONS IN BCU**

CB 9-52 CLOSE ORDER

ISO 9-89B CLOSE L/R SS AT CB 9-52 M.BOX IN REMOTE MODE

SELECTED INCOMING VOLTS (REFER SH: 060)

CLOSE REQUEST FROM BCU/SCADA/HMI TRIP CIRCUIT - 1 & 2 HEALTHY

File: PG725000-003.xls

NOTE:

*

THESE INTERLOCKS APPLY TO CLOSE OPERATION OF CIRCUIT BREAKER FROM THE EQUIPMENT MARSHALLING BOX.

**

THESE HARDWIRED INTERLOCKS APPLY TO THE CONTROL USING TNC SWITCH ON THE BAY CONTROL & PROTECTION PANEL. IN CASE OF CLOSING FROM BCU/HMI/SCADA, THESE HARDWIRED INTERLOCKS MUST BE SATISFIED IN ADDITION TO THE SOFT LOGICS BUILT IN THE BCU.

***

THESE LOGICS APPLY FOR THE CLOSE OPERATION FROM BCU/HMI/SCADA. THESE LOGICS APPLY FOR AUTO RECLOSE CLOSE COMMAND ISSUED BY THE BCU. A/R CLOSING WILL SUCCESFUL ONLY IF THE INTERLOCKS ARE THROUGH.

CLIENT PROJECT :

INTERLOCK LOGIC FOR CLOSING OF 400kV CIRCUIT BREAKER IN ICT-2

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET NEXT SH.

AREVA T&D India Limited

EMI-7604PG754-4-028

B

061

062

DF003

INTERLOCK LOGIC FOR OPENING OF CIRCUIT BREAKER IN O/G ICT-2

A) INTERLOCKS FOR OPENING FROM BMK LEVEL *

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

CB CLOSE ***

EQP LOCAL/REMOTE SELECTOR SWITCH AT EQP MARSHALLING BOX

LOCAL = EQP M.BOX REMOTE = BCU/HMI/SCADA

&

TO TRIP COIL - 1

TO TRIP COIL - 2 OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

OPEN CLOSE

B) INTERLOCKS FOR REMOTE OPENING **

CB CLOSE ***

EQP LOCAL/REMOTE SELECTOR SWITCH AT EQP MARSHALLING BOX

LOCAL = EQP M.BOX REMOTE = BCU/HMI/SCADA

TO TRIP COIL - 1

& TO TRIP COIL - 2

CB OPEN REQUEST *

NOTE: *

THESE INTERLOCKS ARE APPLICABLE FOR OPERATION FROM EQP. MARSHALLING BOX.

**

THESE INTERLOCKS ARE APPLICABLE FOR OPERATION FROM BCU/HMI/SCADA. THESE LOGICS ARE BUILT IN THE BCU.

***

CB CLOSE POSITION IS CONFIRMED ONLY WHEN ALL THE THREE POLES ARE CLOSED.

File: PG725000-003.xls

CLIENT PROJECT :

INTERLOCK LOGIC FOR OPENING OF 400kV CIRCUIT BREAKER IN ICT-2

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET NEXT SH.

AREVA T&D India Limited

EMI-7604PG754-4-028

B

062

063

DF003

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN O/G LINE-4

A) ISOLATOR 10-89A

BUS-2 CVT ISO CLOSED

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

BUS-2 CVT ES OPEN

& 10-89AE OPEN

ISO 10-89A INTLK PERMISSIVE *

10-52CB OPEN***

&

ISO 10-89A CLOSE ORDER

&

ISO 10-89A OPEN ORDER

ISO 10-89A CLOSE REQUEST**

ISO 10-89A OPEN REQUEST**

B) ISOLATOR 10-89B

10-89BE OPEN

& 10-52CB OPEN***

ISO 10-89B CLOSE REQUEST**

ISO 10-89B OPEN REQUEST**

ISO 10-89B INTLK PERMISSIVE *

&

&

ISO 10-89B CLOSE ORDER

ISO 10-89B OPEN ORDER

NOTE:

File: PG725000-003.xls

*

AS INDICATED IN SHEETS: 003, 004, 005, 006 FOR CONTROL LOGIC OF ISOLATORS, THE INTERLOCK PERMISSIVE WILL BE WIRED IN THE CONTROL CIRCUIT OF ISOLATORS TO ENSURE THAT COMMAND WILL BE EXECUTED ONLY WHEN THE INTERLOCKS ARE SATISFIED.

**

CLOSING & OPENING REQUEST OF ISOLATORS CAN BE GIVEN FROM ANY CONTROL LEVELS DEFINED IN SHEETS 003-006, PROVIDED THE ABOVE INTERLOCKS ARE SATISFIEDCLIENT

***

OPEN POSITION FOR CB IS CONFIRMED ONLY IF ALL THE THREE POLES ARE OPEN

PROJECT :

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN O/G LINE-4

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET NEXT SH.

AREVA T&D India Limited

EMI-7604PG754-4-028

B

063

064

DF003

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN O/G LINE-4 (CONTD.)

C) ISOLATOR 10-89L 10-89LE OPEN

10-52CB OPEN***

&

ISO 10-89L INTLK PERMISSIVE *

11-52CB OPEN*** ISO 10-89L CLOSE REQUEST **

This drawing and design is the property of AREVA T&D and must not be copied or lent with

ISO 10-89L OPEN REQUEST **

&

&

ISO 10-89L CLOSE ORDER

ISO 10-89L OPEN ORDER

NOTE: *

AS INDICATED IN SHEETS: 003, 004, 005, 006 FOR CONTROL LOGIC OF ISOLATORS, THE INTERLOCK PERMISSIVE WILL BE WIRED IN THE CONTROL CIRCUIT OF ISOLATORS TO ENSURE THAT COMMAND WILL BE EXECUTED ONLY WHEN THE INTERLOCKS ARE SATISFIED.

**

CLOSING & OPENING REQUEST OF ISOLATORS CAN BE GIVEN FROM ANY CONTROL LEVELS DEFINED IN SHEETS 003-006, PROVIDED THE ABOVE INTERLOCKS ARE SATISFIED.

***

OPEN POSITION FOR CB IS CONFIRMED ONLY IF ALL THE THREE POLES ARE OPEN

File: PG725000-003.xls

CLIENT PROJECT :

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN O/G LINE-4 (CONTD.)

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET

NEXT SH.

B

064

065

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

CONTROL & INTERLOCK LOGIC FOR OPERATION OF EARTH SWITCHES IN O/G LINE-4

A) EARTH SWITCH 10-89AE* ISO 10-89A OPEN

ES 10-89AE INTLK PERMISSIVE **

&

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

ISO 10-89B OPEN

OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

&

TO OPEN CIRCUIT

&

TO CLOSING CIRCUIT

OPEN CLOSE

B) EARTH SWITCH 10-89BE* ISO 10-89A OPEN

ES 10-89BE INTLK PERMISSIVE **

& ISO 10-89B OPEN

OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

&

TO OPEN CIRCUIT

&

TO CLOSING CIRCUIT

OPEN CLOSE

C) EARTH SWITCH 10-89LE* ISO 10-89L OPEN

ES 10-89LE INTLK PERMISSIVE **

& DEAD LINE O/G LINE-4 (UNDER VOLTAGE OPERATED) ***

& OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

TO OPEN CIRCUIT

OPEN CLOSE

TO CLOSING CIRCUIT

& NOTE: *

FOR EARTH SWITCHES THERE IS NO REMOTE CONTROL FROM BCU/HMI/SCADA. CONTROL IS POSSIBLE ONLY FROM EQUIPMENT MARSHALLING BOX. ALL THE INTERLOCKS FOR EARTH SWITCH OPERATION ARE VERIFIED IN BCU & AN OUTPUT IS GENERATED FROM BCU WHEN THE INTERLOCKS ARE SATISFIED.

**

THIS INTERLOCK PERMISSIVE IS GENERATED BY THE BCU AND IS HARD WIRED IN THE CONTROL CIRCUIT OF THE EARTH SWITCH. COMMANDS GIVEN FROM THE EQUIPMENT MARSHALLING BOX ARE EXECUTED ONLY WHEN THE INTERLOCKS ARE SATISFIED.

***

LINE U/V PERMISSIVE IS TAKEN THROUGH SOFT FROM LINE DISTANCE PROTECTION RELAY.

CLIENT PROJECT :

CONTROL & INTERLOCK LOGIC FOR OPERATION OF 400kV EARTH SWITCHES IN O/G LINE-4

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET

NEXT SH.

B

065

066

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

CVT SELECTION LOGIC FOR CHECK SYNC OF CIRCUIT BREAKER IN O/G LINE-4

A) RUNNING VOLTS * BUS - 2 CVT

RUNNING VOLTS

B) INCOMING VOLTS ** CASE - I LINE - 4 CVT (10 - CVTB) SELECTED

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

ISO 10-89L CLOSE CASE - 2 CB 10-52 CLOSE

CB 11-52 CLOSE

&

BUS-1 CVT SELECTED

ISO 12-89G OPEN

ISO 10-89L OPEN

NOTE: *

FOR LINE FEEDERS, BUS-2 CVT WILL BE SELECTED AS RUNNING VOLTS AND EXTENDED TO BCU TERMINALS FOR CHECK-SYNC.

**

AT ANY TIME ONLY ONE OF THE CASES WILL BE SUCCESFUL FOR INCOMING VOLTS. BASED ON THE ISOLATOR & CB POSITIONS, THE LOGICS ARE VALIDATED AND OUTPUTS ARE GENERATED FROM THE BCU WHICH ARE WIRED INTO THE PT SELECTION CIRCUIT FOR EXTENSION OF THE APPROPRIATE INCOMING VOLTS TO BCU. THE SYNCHRONISATION OF LINE WITH GT IS NOT CONSIDERED IN THE CVT SELECTION & THE CB CLOSING SCHEME.

File: PG725000-003.xls

CLIENT PROJECT :

CVT SELECTION LOGIC FOR CHECK-SYNC OF CB IN O/G LINE-4 (BAY-10)

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET

NEXT SH.

B

066

067

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

INTERLOCK LOGIC FOR CLOSING OF CIRCUIT BREAKER IN O/G LINE-4

A) INTERLOCKS IMPLEMENTED AS HARDWIRED AT BMK LEVEL * ES 10-89 AE CLOSE

CB 10-52 LOCAL CLOSING CIRCUIT *

& This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

ES 10-89 BE CLOSE

B) INTERLOCKS IMPLEMENTED AS HARDWIRED AT BAY CONTROL & PROTECTION PANEL ** 86-A TRIP RELAY RESET

86-B TRIP RELAY RESET

CB 10-52 CLOSING CIRCUIT **

& A/R LK-OUT TRIP RELAY (86-LO) RESET BBP RELAY RESET C) INTERLOCKS IMPLEMENTED IN SOFT LOGIC IN BCU *** 86-A TRIP RELAY RESET

RUNNING (BUS-2 CVT) VOLTS

86-B TRIP RELAY RESET A/R LK-OUT TRIP RELAY (86-LO) RESET BBP RELAY RESET ISO 10-89A CLOSE

&

VALIDATION OF CHECK-SYNC CONDITIONS IN BCU**

CB 10-52 CLOSE ORDER

ISO 10-89B CLOSE L/R SS AT CB 10-52 M.BOX IN REMOTE MODE

SELECTED INCOMING VOLTS (REFER SH: 066)

CLOSE REQUEST FROM BCU/SCADA/HMI TRIP CIRCUIT - 1 & 2 HEALTHY NOTE: *

THESE INTERLOCKS APPLY TO CLOSE OPERATION OF CIRCUIT BREAKER FROM THE EQUIPMENT MARSHALLING BOX.

**

THESE HARDWIRED INTERLOCKS APPLY TO THE CONTROL USING TNC SWITCH ON THE BAY CONTROL & PROTECTION PANEL. IN CASE OF CLOSING FROM BCU/HMI/SCADA, THESE HARDWIRED INTERLOCKS MUST BE SATISFIED IN ADDITION TO THE SOFT LOGICS BUILT IN THE BCU.

***

THESE LOGICS APPLY FOR THE CLOSE OPERATION FROM BCU/HMI/SCADA. THESE LOGICS APPLY FOR AUTO RECLOSE CLOSE COMMAND ISSUED BY THE BCU. A/R CLOSING WILL SUCCESFUL ONLY IF THE INTERLOCKS ARE THROUGH.

File: PG725000-003.xls

CLIENT PROJECT :

INTERLOCK LOGIC FOR CLOSING OF 400kV CIRCUIT BREAKER IN O/G LINE-4

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET NEXT SH.

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B

067

068

DF003

INTERLOCK LOGIC FOR OPENING OF CIRCUIT BREAKER IN O/G LINE-4

A) INTERLOCKS FOR OPENING FROM BMK LEVEL * CB CLOSE ***

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

EQP LOCAL/REMOTE SELECTOR SWITCH AT EQP MARSHALLING BOX

LOCAL = EQP M.BOX REMOTE = BCU/HMI/SCADA

&

TO TRIP COIL - 1

TO TRIP COIL - 2 OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

OPEN CLOSE

B) INTERLOCKS FOR REMOTE OPENING **

CB CLOSE ***

EQP LOCAL/REMOTE SELECTOR SWITCH AT EQP MARSHALLING BOX

LOCAL = EQP M.BOX REMOTE = BCU/HMI/SCADA

TO TRIP COIL - 1

& TO TRIP COIL - 2

CB OPEN REQUEST *

NOTE: *

THESE INTERLOCKS ARE APPLICABLE FOR OPERATION FROM EQP. MARSHALLING BOX.

**

THESE INTERLOCKS ARE APPLICABLE FOR OPERATION FROM BCU/HMI/SCADA. THESE LOGICS ARE BUILT IN THE BCU.

***

CB CLOSE POSITION IS CONFIRMED ONLY WHEN ALL THE THREE POLES ARE CLOSED.

File: PG725000-003.xls

CLIENT PROJECT :

INTERLOCK LOGIC FOR OPENING OF 400kV CIRCUIT BREAKER IN O/G LINE-4

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET NEXT SH.

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B

068

069

DF003

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN TIE-4

A) ISOLATOR 11-89A 11-89AE OPEN

& ISO 11-89A INTLK PERMISSIVE *

11-52CB OPEN***

ISO 11-89A CLOSE REQUEST**

ISO 11-89A OPEN REQUEST**

&

ISO 11-89A CLOSE ORDER

&

ISO 11-89A OPEN ORDER

A) ISOLATOR 11-89B

ISO 11-89B INTLK PERMISSIVE *

11-89BE OPEN

& 11-52CB OPEN***

&

ISO 11-89B CLOSE ORDER

&

ISO 11-89B OPEN ORDER

ISO 11-89B CLOSE REQUEST**

ISO 11-89B OPEN REQUEST**

NOTE: *

AS INDICATED IN SHEETS: 003, 004, 005, 006 FOR CONTROL LOGIC OF ISOLATORS, THE INTERLOCK PERMISSIVE WILL BE WIRED IN THE CONTROL CIRCUIT OF ISOLATORS TO ENSURE THAT COMMAND WILL BE EXECUTED ONLY WHEN THE INTERLOCKS ARE SATISFIED.

**

CLOSING & OPENING REQUEST OF ISOLATORS CAN BE GIVEN FROM ANY CONTROL LEVELS DEFINED IN SHEETS 003-006, PROVIDED THE ABOVE INTERLOCKS ARE SATISFIED.

***

OPEN POSITION FOR CB IS CONFIRMED ONLY IF ALL THE THREE POLES ARE OPEN

File: PG725000-003.xls

CLIENT PROJECT :

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN TIE-4

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET NEXT SH.

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B

069

070

DF003

CONTROL & INTERLOCK LOGIC FOR OPERATION OFEARTH SWITCHES IN TIE-4

A) EARTH SWITCH 11-89AE* ISO 11-89A OPEN

ES 11-89AE INTLK PERMISSIVE **

& ISO 11-89B OPEN

OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

&

TO OPEN CIRCUIT

&

TO CLOSING CIRCUIT

OPEN CLOSE

B) EARTH SWITCH 11-89BE* ISO 11-89A OPEN

ES 11-89BE INTLK PERMISSIVE **

& ISO 11-89B OPEN

OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

&

TO OPEN CIRCUIT

&

TO CLOSING CIRCUIT

OPEN CLOSE

NOTE: *

FOR EARTH SWITCHES THERE IS NO REMOTE CONTROL FROM BCU/HMI/SCADA. CONTROL IS POSSIBLE ONLY FROM EQUIPMENT MARSHALLING BOX. ALL THE INTERLOCKS FOR EARTH SWITCH OPERATION ARE VERIFIED IN BCU & AN OUTPUT IS GENERATED FROM BCU WHEN THE INTERLOCKS ARE SATISFIED.

**

THIS INTERLOCK PERMISSIVE IS GENERATED BY THE BCU AND IS HARD WIRED IN THE CONTROL CIRCUIT OF THE EARTH SWITCH. COMMANDS GIVEN FROM THE EQUIPMENT MARSHALLING BOX ARE EXECUTED ONLY WHEN THE INTERLOCKS ARE SATISFIED.

File: PG725000-003.xls

CLIENT PROJECT :

CONTROL & INTERLOCK LOGIC FOR OPERATION OF 400kV EARTH SWITCHES IN TIE-4 (BAY-11)

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET NEXT SH.

AREVA T&D India Limited

EMI-7604PG754-4-028

B

070

071

DF003

CVT SELECTION LOGIC FOR CHECK SYNC OF CIRCUIT BREAKER IN TIE-4

A) RUNNING VOLTS *

CASE-1

(TIE/GT SELECTOR SWITCH IN TIE MODE. SYNCHRONISATION IS DONE FROM SWITCHYARD BCU) BUS - 1 CVT

CASE-2

RUNNING VOLTS TO BCU

(TIE/GT SELECTOR SWITCH IN GT MODE. SYNCHRONISATION IS DONE FROM GCP) GT - 4 CVT

RUNNING VOLTS

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

B) INCOMING VOLTS * CASE - I

(APPLICABLE TO BOTH TIE & GCP MODE.)

ISO 10-89L CLOSE

TIE/GCP SELECTOR SWITCH AT SWYD BAY CONTROL & PROT PANEL CASE - 2

LINE - 4 CVT (10 - CVTB) SELECTED ** TIE = FEEDER

OR

&

GCP = GT (APPLICABLE TO BOTH TIE & GCP MODE.)

CB 10-52 CLOSE BUS-2 CVT SELECTED ** CB 10-89L OPEN

& TIE/GCP SELECTOR SWITCH AT SWYD BAY CONTROL & PROT PANEL

CASE - 3

TIE = FEEDER

OR

GCP = GT

(APPLICABLE FOR GT SYNCHRONISATION ONLY .TIE/GT SELECTOR SWITCH IN GT MODE. SYNCHRONISATION IS DONE FROM GCP)

CB 12-52 OPEN

## GT-4 CVT SELECTED **

CB 12-89G CLOSED

& TIE/GCP SELECTOR SWITCH AT SWYD BAY CONTROL & PROT PANEL

TIE = FEEDER GCP = GT

NOTE: *

SINCE THE SYNCHRONISATION OF GT IS DONE FROM GCP, GT CVT IS NOT CONSIDERED IN THE CVT SELECTION LOGIC FOR BCU. FOR BCU IN THE SWITCHYARD RUNNING VOLTS BY DEFAULT IS TAKEN AS BUS-1 VOLTS

**

AT ANY TIME ONLY ONE OF THE CASES WILL BE SUCCESFUL FOR INCOMING VOLTS. BASED ON THE ISOLATOR & CB POSITIONS, THE LOGICS ARE VALIDATED AND OUTPUTS ARE GENERATED FROM THE BCU WHICH ARE WIRED INTO THE PT SELECTION CIRCUIT FOR EXTENSION OF THE APPROPRIATE INCOMING VOLTS TO BCU.

##

GT-3 CVT WILL BE SELECTED ONLY FOR SYNCHRONISATION OF GT THROUGH THE TIE.

CLIENT PROJECT :

CVT SELECTION LOGIC FOR CHECK-SYNC OF CB IN TIE-4 (BAY-11)

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET

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B

071

072

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

INTERLOCK LOGIC FOR CLOSING OF CIRCUIT BREAKER IN TIE-4 (REMOTE CLOSING POSSIBLE FROM SWITCHYARD ONLY AS LONG AS TIE/GCP SELECTOR SWITCH IS IN TIE MODE) A) INTERLOCKS IMPLEMENTED AS HARDWIRED AT BMK LEVEL * ES 11-89 AE CLOSE

CB 11-52 LOCAL CLOSING CIRCUIT *

& This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

ES 11-89 BE CLOSE B) INTERLOCKS IMPLEMENTED AS HARDWIRED AT BAY CONTROL & PROTECTION PANEL ** O/G LINE-4 86-A TRIP RELAY RESET 86-B TRIP RELAY RESET GT-4 86 TRIP RELAY RESET A/R LK-OUT TRIP RELAY (86-LO) RESET TIE/GCP SELECTOR SWITCH AT SWYD BAY CONTROL & PROT PANEL

& TIE = FEEDER

CB 11-52 CLOSING CIRCUIT**

OR

GCP = GT

GT4 INTLKS FROM GCP

File: PG725000-003.xls

NOTE: *

THESE INTERLOCKS APPLY TO CLOSE OPERATION OF CIRCUIT BREAKER FROM THE EQUIPMENT MARSHALLING BOX.

**

THESE HARDWIRED INTERLOCKS APPLY TO THE CONTROL USING TNC SWITCH ON THE BAY CONTROL & PROTECTION PANEL. IN CASE OF CLOSING FROM BCU/HMI/SCADA, THESE HARDWIRED INTERLOCKS MUST BE SATISFIED IN ADDITION TO THE SOFT LOGICS BUILT IN THE BCU.

***

THESE LOGICS APPLY FOR THE CLOSE OPERATION FROM BCU/HMI/SCADA. THESE LOGICS APPLY FOR AUTO RECLOSE CLOSE COMMAND ISSUED BY THE BCU. A/R CLOSING WILL SUCCESFUL ONLY IF THE INTERLOCKS ARE THROUGH.

CLIENT PROJECT :

INTERLOCK LOGIC FOR CLOSING OF 400kV CIRCUIT BREAKER IN TIE-4

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET NEXT SH.

AREVA T&D India Limited

EMI-7604PG754-4-028

B

072

072A

DF003

INTERLOCK LOGIC FOR CLOSING OF CIRCUIT BREAKER IN TIE-4 (REMOTE CLOSING POSSIBLE FROM SWITCHYARD ONLY AS LONG AS TIE/GCP SELECTOR SWITCH IS IN TIE MODE)

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

C) INTERLOCKS IMPLEMENTED IN SOFT LOGIC IN BCU *** TIE-4 A/R LK-OUT TRIP RELAY (86-LO) RESET RUNNING (BUS-1 CVT) VOLTS

O/G LINE-4 86-A TRIP RELAY RESET 86-B TRIP RELAY RESET GT-4 86 TRIP RELAY RESET

VALIDATION OF CHECK-SYNC CONDITIONS IN BCU**

ISO 11-89A CLOSE

ISO 11-89B CLOSE

CB 11-52 CLOSE ORDER

&

ISO 12-89G OPEN

SELECTED INCOMING VOLTS (REFER SH: 070)

TRIP CIRCUIT - 1 & 2 HEALTHY L/R SS AT CB 11-52 M.BOX IN REMOTE MODE CLOSE REQUEST FROM BCU/SCADA/HMI

TIE/GCP SELECTOR SWITCH AT SWYD BAY CONTROL & PROT PANEL

TIE = FEEDER GCP = GT

File: PG725000-003.xls

NOTE: *

THESE INTERLOCKS APPLY TO CLOSE OPERATION OF CIRCUIT BREAKER FROM THE EQUIPMENT MARSHALLING BOX.

**

THESE HARDWIRED INTERLOCKS APPLY TO THE CONTROL USING TNC SWITCH ON THE BAY CONTROL & PROTECTION PANEL. IN CASE OF CLOSING FROM BCU/HMI/SCADA, THESE HARDWIRED INTERLOCKS MUST BE SATISFIED IN ADDITION TO THE SOFT LOGICS BUILT IN THE BCU.

***

CLIENT PROJECT :

THESE LOGICS APPLY FOR THE CLOSE OPERATION FROM BCU/HMI/SCADA. THESE LOGICS APPLY FOR AUTO RECLOSE CLOSE COMMAND ISSUED BY THE BCU. A/R CLOSING WILL SUCCESFUL ONLY IF THE INTERLOCKS ARE THROUGH.

INTERLOCK LOGIC FOR CLOSING OF 400kV CIRCUIT BREAKER IN TIE-4

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET NEXT SH.

AREVA T&D India Limited

EMI-7604PG754-4-028

B

072A

073

DF003

INTERLOCK LOGIC FOR OPENING OF CIRCUIT BREAKER IN TIE-4 (REMOTE OPENING POSSIBLE FROM SWITCHYARD ONLY IF TIE/GCP SELECTOR SWITCH IS IN TIE MODE) A) INTERLOCKS FOR OPENING FROM BMK LEVEL *

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

CB CLOSE ***

EQP LOCAL/REMOTE SELECTOR SWITCH AT EQP MARSHALLING BOX

LOCAL = EQP M.BOX REMOTE = BCU/HMI/SCADA

&

TO TRIP COIL - 1

TO TRIP COIL - 2 OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

OPEN CLOSE

B) INTERLOCKS FOR REMOTE OPENING **

CB CLOSE ***

EQP LOCAL/REMOTE SELECTOR SWITCH AT EQP MARSHALLING BOX

TO TRIP COIL - 1

LOCAL = EQP M.BOX REMOTE = BCU/HMI/SCADA

TO TRIP COIL - 2

& CB OPEN REQUEST

12-89G OPEN

TIE/GCP SELECTOR SWITCH AT SWYD BAY CONTROL & PROT PANEL

TIE = FEEDER GCP = GT

NOTE: *

THESE INTERLOCKS ARE APPLICABLE FOR OPERATION FROM EQP. MARSHALLING BOX.

**

THESE INTERLOCKS ARE APPLICABLE FOR OPERATION FROM BCU/HMI/SCADA. THESE LOGICS ARE BUILT IN THE BCU.

***

CB CLOSE POSITION IS CONFIRMED ONLY WHEN ALL THE THREE POLES ARE CLOSED.

File: PG725000-003.xls

CLIENT PROJECT :

INTERLOCK LOGIC FOR OPENING OF 400kV CIRCUIT BREAKER IN TIE-4

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET NEXT SH.

AREVA T&D India Limited

EMI-7604PG754-4-028

B

073

074

DF003

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN GT-4

A) ISOLATOR 12-89B

BUS-1 CVT ISO CLOSED

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

BUS-1 CVT ES OPEN

12-89BE OPEN

&

ISO 12-89B INTLK PERMISSIVE *

12-52CB OPEN***

&

ISO 12-89B CLOSE ORDER

&

ISO 12-89B OPEN ORDER

ISO 12-89B CLOSE REQUEST**

ISO 12-89B OPEN REQUEST**

B) ISOLATOR 12-89A

12-89AE OPEN

&

ISO 12-89A INTLK PERMISSIVE *

12-52CB OPEN***

ISO 12-89A CLOSE REQUEST**

ISO 12-89A OPEN REQUEST**

&

&

ISO 12-89A CLOSE ORDER

ISO 12-89A OPEN ORDER

NOTE:

File: PG725000-003.xls

*

AS INDICATED IN SHEETS: 003, 004, 005, 006 FOR CONTROL LOGIC OF ISOLATORS, THE INTERLOCK PERMISSIVE WILL BE WIRED IN THE CONTROL CIRCUIT OF ISOLATORS TO ENSURE THAT COMMAND WILL BE EXECUTED ONLY WHEN THE INTERLOCKS ARE SATISFIED.

**

CLOSING & OPENING REQUEST OF ISOLATORS CAN BE GIVEN FROM ANY CONTROL LEVELS DEFINED IN SHEETS 003-006, PROVIDED THE ABOVE INTERLOCKS ARE SATISFIED.

***

OPEN POSITION FOR CB IS CONFIRMED ONLY IF ALL THE THREE POLES ARE OPEN

CLIENT PROJECT :

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN GT-4

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET NEXT SH.

AREVA T&D India Limited

EMI-7604PG754-4-028

A

074

075

DF003

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN GT-4 (CONTD.)

C) ISOLATOR 12-89G 12-89GE OPEN

12-52CB OPEN***

&

ISO 12-89G INTLK PERMISSIVE*

11-52CB OPEN*** ISO 12-89G CLOSE REQUEST**

This drawing and design is the property of AREVA T&D and must not be copied or lent wi

ISO 12-89G OPEN REQUEST**

&

&

ISO 12-89G CLOSE ORDER

ISO 12-89G OPEN ORDER

NOTE: *

AS INDICATED IN SHEETS: 003, 004, 005, 006 FOR CONTROL LOGIC OF ISOLATORS, THE INTERLOCK PERMISSIVE WILL BE WIRED IN THE CONTROL CIRCUIT OF ISOLATORS TO ENSURE THAT COMMAND WILL BE EXECUTED ONLY WHEN THE INTERLOCKS ARE SATISFIED.

**

CLOSING & OPENING REQUEST OF ISOLATORS CAN BE GIVEN FROM ANY CONTROL LEVELS DEFINED IN SHEETS 003-006, PROVIDED THE ABOVE INTERLOCKS ARE SATISFIED.

***

OPEN POSITION FOR CB IS CONFIRMED ONLY IF ALL THE THREE POLES ARE OPEN

File: PG725000-003.xls

CLIENT PROJECT :

INTERLOCK LOGIC FOR OPERATION OF 400kV ISOLATORS IN GT-4 (CONTD.)

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET

NEXT SH.

A

075

076

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

CONTROL & INTERLOCK LOGIC FOR OPERATION OF EARTH SWITCHES IN GT-4

A) EARTH SWITCH 12-89AE* ISO 12-89A OPEN

ES 12-89AE INTLK PERMISSIVE **

&

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

ISO 12-89B OPEN

OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

&

TO OPEN CIRCUIT

&

TO CLOSING CIRCUIT

OPEN CLOSE

B) EARTH SWITCH 12-89BE* ISO 12-89A OPEN

ES 12-89BE INTLK PERMISSIVE **

& ISO 12-89B OPEN

OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

&

TO OPEN CIRCUIT

&

TO CLOSING CIRCUIT

OPEN CLOSE

C) EARTH SWITCH 12-89GE*

ES 12-89GE INTLK PERMISSIVE **

ISO 12-89G OPEN

& GENERATOR EXCITATION OFF OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

TO OPEN CIRCUIT

& OPEN CLOSE

TO CLOSING CIRCUIT

& NOTE: *

FOR EARTH SWITCHES THERE IS NO REMOTE CONTROL FROM BCU/HMI/SCADA. CONTROL IS POSSIBLE ONLY FROM EQUIPMENT MARSHALLING BOX. ALL THE INTERLOCKS FOR EARTH SWITCH OPERATION ARE VERIFIED IN BCU & AN OUTPUT IS GENERATED FROM BCU WHEN THE INTERLOCKS ARE SATISFIED.

**

THIS INTERLOCK PERMISSIVE IS GENERATED BY THE BCU AND IS HARD WIRED IN THE CONTROL CIRCUIT OF THE EARTH SWITCH. COMMANDS GIVEN FROM THE EQUIPMENT MARSHALLING BOX ARE EXECUTED ONLY WHEN THE INTERLOCKS ARE SATISFIED.

File: PG725000-003.xls

CLIENT PROJECT :

CONTROL & INTERLOCK LOGIC FOR OPERATION OF 400kV EARTH SWITCHES IN GT-4

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET

NEXT SH.

B

076

077

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

CONTROL & INTERLOCK LOGIC FOR OPENING & CLOSING OF CIRCUIT BREAKER IN GT-4

A) INTERLOCKS IMPLEMENTED AS HARDWIRED AT BMK LEVEL FOR CLOSE OPERATION*

ES 12-89 AE CLOSE

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

ES 12-89 BE CLOSE

EQP LOCAL/REMOTE SELECTOR SWITCH AT EQP MARSHALLING BOX

OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

LOCAL = EQP M.BOX REMOTE = GCP

&

CB 12-52 LOCAL CLOSING CIRCUIT *

OPEN CLOSE

B) INTERLOCKS FOR CLOSING FROM REMOTE (GCP) EQP LOCAL/REMOTE SELECTOR SWITCH AT EQP MARSHALLING BOX

LOCAL = EQP M.BOX REMOTE = GCP

GT4 INTLKS FROM GCP OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

CB 12-52 REMOTE CLOSING CIRCUIT *

& OPEN CLOSE

C) INTERLOCKS FOR OPENING FROM BMK LEVEL * CB CLOSE **

EQP LOCAL/REMOTE SELECTOR SWITCH AT EQP MARSHALLING BOX

LOCAL = EQP M.BOX REMOTE = BCU/HMI/SCADA

&

TO TRIP COIL - 1

TO TRIP COIL - 2 OPEN/CLOSE PUSH BUTTON CONTROLS AT GCP

OPEN CLOSE

D) INTERLOCKS FOR OPENING FROM REMOTE (GCP) EQP LOCAL/REMOTE SELECTOR SWITCH AT EQP MARSHALLING BOX

LOCAL = EQP M.BOX REMOTE = GCP TO TRIP COIL - 1

GT4 INTLKS FROM GCP

OPEN/CLOSE PUSH BUTTON CONTROLS AT GCP

&

TO TRIP COIL - 2

OPEN CLOSE

CLIENT

File: PG725000-003.xls

NOTE: *

OPERATION OF THE CIRCUIT BREAKERS IN GT BAYS IS NOT ALLOWED FROM THE BAY CONTROL & PROTECTION PANEL, BCU/HMI/SCADA.

**

CLOSE POSITION OF THE CIRCUIT BREAKER IS CONFIRMED ONLY IF ALL THE THREE POLES ARE OPEN.

CONTROL & INTERLOCK LOGIC FOR 400kV CIRCUIT BREAKER IN GT-4 (BAY-12)

PROJECT :

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET NEXT SH.

AREVA T&D India Limited

EMI-7604PG754-4-028

B

077

078

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writin

DF003

BLANK SHEET

File: PG725000-003.xls

CLIENT PROJECT :

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA BLANK SHEET

REV.

SHEET

NEXT SH.

A

078

079

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

INTERLOCK LOGIC FOR OPERATION OF BUS-1 CVT ISOLATOR & EARTH SWITCH (MANAGED BY TIE-1 BCU)

A) BUS - 1 CVT ISOLATOR

BUS-1 CVT ISO INTLK PERMISSIVE *

BUS-1 CVT EARTH SWITCH OPEN

BUS-1 CVT ISO CLOSE REQUEST **

BUS-1 CVT ISO OPEN REQUEST **

&

BUS-1 CVT ISO CLOSE ORDER

&

BUS-1 CVT ISO OPEN ORDER

# B) BUS-1 CVT EARTH SWITCH ## BUS-1 CVT E/S INTLK PERMISSIVE

This drawing and design is the property of AREVA T&D and must not be

BUS-1 CVT ISO OPEN

& OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

TO OPEN CIRCUIT

OPEN CLOSE

TO CLOSING CIRCUIT

&

NOTE: *

AS INDICATED IN SHEETS: 003, 004, 005, 006 FOR CONTROL LOGIC OF ISOLATORS, THE INTERLOCK PERMISSIVE WILL BE WIRED IN THE CONTROL CIRCUIT OF ISOLATORS TO ENSURE THAT COMMAND WILL BE EXECUTED ONLY WHEN THE INTERLOCKS ARE SATISFIED.

**

CLOSING & OPENING REQUEST OF ISOLATORS CAN BE GIVEN FROM ANY CONTROL LEVELS DEFINED IN SHEETS 003-006, PROVIDED THE ABOVE INTERLOCKS ARE SATISFIED.

#

FOR EARTH SWITCHES THERE IS NO REMOTE CONTROL FROM BCU/HMI/SCADA. CONTROL IS POSSIBLE ONLY FROM EQUIPMENT MARSHALLING BOX. ALL THE INTERLOCKS FOR EARTH SWITCH OPERATION ARE VERIFIED IN BCU & AN OUTPUT IS GENERATED FROM BCU WHEN THE INTERLOCKS ARE SATISFIED.

##

THIS INTERLOCK PERMISSIVE IS GENERATED BY THE BCU AND IS HARD WIRED IN THE CONTROL CIRCUIT OF THE EARTH SWITCH. COMMANDS GIVEN FROM THE EQUIPMENT MARSHALLING BOX ARE EXECUTED ONLY WHEN THE INTERLOCKS ARE SATISFIED.

File: PG725000-003.xls

CLIENT PROJECT :

INTERLOCK LOGIC FOR REMOTE OPERATION OF 400kV BUS-1 CVT ISOLATOR & EARTH SWITCH

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

AREVA

REV.

SHEET

NEXT SH.

A

079

080

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

INTERLOCK LOGIC FOR OPERATION OF BUS-2 CVT ISOLATOR & EARTH SWITCH (MANAGED BY TIE-1 BCU)

A) BUS - 2 CVT ISOLATOR

BUS-2 CVT EARTH SWITCH OPEN

BUS-2 CVT ISO INTLK PERMISSIVE *

BUS-2 CVT ISO CLOSE REQUEST **

BUS-2 CVT ISO OPEN REQUEST **

&

BUS-2 CVT ISO CLOSE ORDER

&

BUS-2 CVT ISO OPEN ORDER

# B) BUS-2 CVT EARTH SWITCH ## BUS-2 CVT E/S INTLK PERMISSIVE

This drawing and design is the property of AREVA T&D and must not be

BUS-2 CVT ISO OPEN

& OPEN/CLOSE PUSH BUTTON CONTROLS AT EQP MARSHALLING BOX

TO OPEN CIRCUIT

OPEN CLOSE

TO CLOSING CIRCUIT

&

NOTE: *

AS INDICATED IN SHEETS: 003, 004, 005, 006 FOR CONTROL LOGIC OF ISOLATORS, THE INTERLOCK PERMISSIVE WILL BE WIRED IN THE CONTROL CIRCUIT OF ISOLATORS TO ENSURE THAT COMMAND WILL BE EXECUTED ONLY WHEN THE INTERLOCKS ARE SATISFIED.

**

CLOSING & OPENING REQUEST OF ISOLATORS CAN BE GIVEN FROM ANY CONTROL LEVELS DEFINED IN SHEETS 003-006, PROVIDED THE ABOVE INTERLOCKS ARE SATISFIED.

#

FOR EARTH SWITCHES THERE IS NO REMOTE CONTROL FROM BCU/HMI/SCADA. CONTROL IS POSSIBLE ONLY FROM EQUIPMENT MARSHALLING BOX. ALL THE INTERLOCKS FOR EARTH SWITCH OPERATION ARE VERIFIED IN BCU & AN OUTPUT IS GENERATED FROM BCU WHEN THE INTERLOCKS ARE SATISFIED.

##

THIS INTERLOCK PERMISSIVE IS GENERATED BY THE BCU AND IS HARD WIRED IN THE CONTROL CIRCUIT OF THE EARTH SWITCH. COMMANDS GIVEN FROM THE EQUIPMENT MARSHALLING BOX ARE EXECUTED ONLY WHEN THE INTERLOCKS ARE SATISFIED.

File: PG725000-003.xls

CLIENT PROJECT :

INTERLOCK LOGIC FOR REMOTE OPERATION OF 400kV BUS-2 CVT ISOLATOR & EARTH SWITCH

:

ADANI POWER LTD. 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT MUNDRA SEZ

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081

AREVA T&D India Limited

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DF003

IMPLEMENATION OF SYNCHROCHECK FUNCTION IN BCU (TYPICAL FOR ALL BAYS EXCEPT GT BAYS)

CASE -1 DEAD INCOMING VOLTS - DEAD RUNNING VOLTS IMPLEMENTED IN BCU

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

SELECTED RUNNING VOLTS *

RUNNING VOLTS < SELECTED DEAD VOLTS THRESHOLD

DEAD INCOMING VOLTS & DEAD RUNNING VOLTS CONDITIONS SATISFIED?

SELECTED INCOMING VOLTS *

INCOMING VOLTS < SELECTED DEAD VOLTS THRESHOLD

CLOSE REQUEST FROM BCU/HMI/SCADA

SOFTWARE INTERLOCKS BUILT IN RESPECTIVE BCU VERIFIED SUCCESFULLY **

YES TIMER FOR CONFIRMATION (SETTABLE) ***

&

TO CLOSING CIRCUIT

INTLKS IMPLEMENTED THROUGH HARDWIRING IN BAY CNTL & PROT PANEL

NOTE : *

VOLTAGE SELECTION FOR INCOMING AND RUNNING VOLTS SHALL BE AS PER THE SELECTION LOGIC INDICATED IN THE RESPECTIVE BAY INTERLOCK LOGICS.

**

SOFTWARE INTERLOCKS BUILT IN THE BCU ARE VERIFIED BEFORE CHECKING THE SYNCHRONISATION CONDITIONS. FOR DETAILED INTERLOCKS REFER THE RESPECTIVE BAY INTERLOCK LOGIC DIAGRAMS

***

WHEN BOTH VOLTAGES ARE BELOW THE SET THRESHOLD FOR DEAD VOLTS, A TIMER IS STARTED BEFORE GIVING THE CLOSE SIGNAL TO THE CB. THIS TIMER IS CONFIGURABLE IN THE RANGE 0.2 TO 10 Sec.

1

COMMAND TO THE BREAKER WILL BE SUCCESFUL ONLY IF EXTERNAL HARDWIRED INTERLOCKS IN THE CB CLOSING CIRCUIT ARE SATISFIED.

CLIENT ADANI POWER LTD. : 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT PROJECT : MUNDRA SEZ

IMPLEMENTATION OF SYNCHROCHECK IN BCU

AREVA

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B

081

082

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

IMPLEMENATION OF SYNCHROCHECK FUNCTION IN BCU (TYPICAL FOR ALL BAYS EXCEPT GT BAYS)

CASE -2 DEAD INCOMING VOLTS - LIVE RUNNING VOLTS IMPLEMENTED IN BCU

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

SELECTED RUNNING VOLTS *

RUNNING VOLTS > SELECTED LIVE VOLTS THRESHOLD

DEAD INCOMING VOLTS & LIVE RUNNING VOLTS CONDITIONS SATISFIED?

SELECTED INCOMING VOLTS *

INCOMING VOLTS < SELECTED DEAD VOLTS THRESHOLD

CLOSE REQUEST FROM BCU/HMI/SCADA

SOFTWARE INTERLOCKS BUILT IN RESPECTIVE BCU VERIFIED SUCCESFULLY **

YES TIMER FOR CONFIRMATION (SETTABLE) ***

&

TO CLOSING CIRCUIT

INTLKS IMPLEMENTED THROUGH HARDWIRING IN BAY CNTL & PROT PANEL

NOTE : *

VOLTAGE SELECTION FOR INCOMING AND RUNNING VOLTS SHALL BE AS PER THE SELECTION LOGIC INDICATED IN THE RESPECTIVE BAY INTERLOCK LOGICS.

**

SOFTWARE INTERLOCKS BUILT IN THE BCU ARE VERIFIED BEFORE CHECKING THE SYNCHRONISATION CONDITIONS. FOR DETAILED INTERLOCKS REFER THE RESPECTIVE BAY INTERLOCK LOGIC DIAGRAMS

***

WHEN BOTH VOLTAGES ARE BELOW THE SET THRESHOLD FOR DEAD & LIVE VOLTS, A TIMER IS STARTED BEFORE GIVING THE CLOSE SIGNAL TO THE CB. THIS TIMER IS CONFIGURABLE IN THE RANGE 0.2 TO 10 Sec.

1

COMMAND TO THE BREAKER WILL BE SUCCESFUL ONLY IF EXTERNAL HARDWIRED INTERLOCKS IN THE CB CLOSING CIRCUIT ARE SATISFIED.

CLIENT ADANI POWER LTD. : 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT PROJECT : MUNDRA SEZ

IMPLEMENTATION OF SYNCHROCHECK IN BCU

AREVA

REV.

SHEET

NEXT SH.

B

082

083

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

IMPLEMENATION OF SYNCHROCHECK FUNCTION IN BCU (TYPICAL FOR ALL BAYS EXCEPT GT BAYS)

CASE -3 LIVE INCOMING VOLTS - DEAD RUNNING VOLTS IMPLEMENTED IN BCU

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

SELECTED RUNNING VOLTS *

RUNNING VOLTS < SELECTED DEAD VOLTS THRESHOLD

LIVE INCOMING VOLTS & DEAD RUNNING VOLTS CONDITIONS SATISFIED?

SELECTED INCOMING VOLTS *

INCOMING VOLTS > SELECTED LIVE VOLTS THRESHOLD

CLOSE REQUEST FROM BCU/HMI/SCADA

SOFTWARE INTERLOCKS BUILT IN RESPECTIVE BCU VERIFIED SUCCESFULLY **

YES TIMER FOR CONFIRMATION (SETTABLE) ***

&

TO CLOSING CIRCUIT

INTLKS IMPLEMENTED THROUGH HARDWIRING IN BAY CNTL & PROT PANEL

NOTE : *

VOLTAGE SELECTION FOR INCOMING AND RUNNING VOLTS SHALL BE AS PER THE SELECTION LOGIC INDICATED IN THE RESPECTIVE BAY INTERLOCK LOGICS.

**

SOFTWARE INTERLOCKS BUILT IN THE BCU ARE VERIFIED BEFORE CHECKING THE SYNCHRONISATION CONDITIONS. FOR DETAILED INTERLOCKS REFER THE RESPECTIVE BAY INTERLOCK LOGIC DIAGRAMS

***

WHEN BOTH VOLTAGES ARE BELOW THE SET THRESHOLD FOR DEAD & LIVE VOLTS, A TIMER IS STARTED BEFORE GIVING THE CLOSE SIGNAL TO THE CB. THIS TIMER IS CONFIGURABLE IN THE RANGE 0.2 TO 10 Sec.

1

COMMAND TO THE BREAKER WILL BE SUCCESFUL ONLY IF EXTERNAL HARDWIRED INTERLOCKS IN THE CB CLOSING CIRCUIT ARE SATISFIED.

CLIENT ADANI POWER LTD. : 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT PROJECT : MUNDRA SEZ

IMPLEMENTATION OF SYNCHROCHECK IN BCU

AREVA

REV.

SHEET

NEXT SH.

B

083

084

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

IMPLEMENATION OF SYNCHROCHECK FUNCTION IN BCU (TYPICAL FOR ALL BAYS EXCEPT GT BAYS)

CASE -4 LIVE INCOMING VOLTS - LIVE RUNNING VOLTS

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

IMPLEMENTED IN BCU

SELECTED RUNNING VOLTS *

RUNNING VOLTS > SELECTED LIVE VOLTS THRESHOLD

LIVE INCOMING VOLTS & LIVE RUNNING VOLTS CONDITIONS SATISFIED?

SELECTED INCOMING VOLTS *

INCOMING VOLTS > SELECTED LIVE VOLTS THRESHOLD

CLOSE REQUEST FROM BCU/HMI/SCADA

SOFTWARE INTERLOCKS BUILT IN RESPECTIVE BCU VERIFIED SUCCESFULLY **

YES TIMER FOR CONFIRMATION (SETTABLE) ***

&

TO CLOSING CIRCUIT

INTLKS IMPLEMENTED THROUGH HARDWIRING IN BAY CNTL & PROT PANEL

NOTE : *

VOLTAGE SELECTION FOR INCOMING AND RUNNING VOLTS SHALL BE AS PER THE SELECTION LOGIC INDICATED IN THE RESPECTIVE BAY INTERLOCK LOGICS.

**

SOFTWARE INTERLOCKS BUILT IN THE BCU ARE VERIFIED BEFORE CHECKING THE SYNCHRONISATION CONDITIONS. FOR DETAILED INTERLOCKS REFER THE RESPECTIVE BAY INTERLOCK LOGIC DIAGRAMS

***

WHEN BOTH VOLTAGES ARE BELOW THE SET THRESHOLD FOR DEAD & LIVE VOLTS, A TIMER IS STARTED BEFORE GIVING THE CLOSE SIGNAL TO THE CB. THIS TIMER IS CONFIGURABLE IN THE RANGE 0.2 TO 10 Sec.

1

COMMAND TO THE BREAKER WILL BE SUCCESFUL ONLY IF EXTERNAL HARDWIRED INTERLOCKS IN THE CB CLOSING CIRCUIT ARE SATISFIED.

2

FOR LIVE CONDITIONS OF BOTH THE INCOMING & RUNNING VOLTS, THE FOLLOWING CONDITIONS(CONFIGURED THROUGH SOFTWARE) ARE CHECKED: A. B. C.

DIFFERENCE IN VOLTAGE MAGNITUDES DIFFERENCE IN PHASE ANGLES DIFFERENCE IN FREQUENCIES

CLIENT ADANI POWER LTD. : 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT PROJECT : MUNDRA SEZ

IMPLEMENTATION OF SYNCHROCHECK IN BCU

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B

084

085

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

IMPLEMENATION OF AUTO RECLOSE FUNCTION IN BCU (TYPICAL FOR ALL LINE BAYS)

CLIENT ADANI POWER LTD. : 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT PROJECT : MUNDRA SEZ

IMPLEMENTATION OF AUTORECLOSE FUNCTION IN BCU

AREVA

REV.

SHEET

NEXT SH.

B

085

086

AREVA T&D India Limited

EMI-7604PG754-4-028

DF003

This drawing and design is the property of AREVA T&D and must not be copied or lent without prior permission in writing

IMPLEMENATION OF AUTO RECLOSE FUNCTION IN BCU (TYPICAL FOR ALL TIE BAYS)

CLIENT ADANI POWER LTD. : 400kV SWITCHYARD FOR 2x330MW THERMAL POWER PLANT PROJECT : MUNDRA SEZ

IMPLEMENTATION OF AUTORECLOSE FUNCTION IN BCU

AREVA

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B

086

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AREVA T&D India Limited

EMI-7604PG754-4-028