D60-setting example.pdf

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D60 Line Distance relay Setting Example Provided for D60 model D60-C00-HCH-F8A-H6P-M6P-P6C Primary Functions This relay provides 3-pole tripping functions and initiates autoreclosure. The primary purpose of this relay is 3-zone stepped line phase and ground distance protection, pilot Permissive Overreaching Tripping scheme. Distance is blocked by VT Fuse Failure, Power Swing Detect and load Enchroachment. Line Pickup (switch onto the fault) backs up distance on line energization. Autoreclose can be initiated externally (from L90 relay, for example) and is supervised by synchrocheck. Relay has inputs from breaker auxiliary contacts, panel pushbuttons, RTU etc, also outputs for trip, alarm, status that are collected by the HMI and RTU.

~

Z1, Z0

Zb

Zf

~

VT: VTpri=161000/3V, VTsec=115/3V,  VTR= VTpri/ VTsec=161000/115=1400 CT: CTpri=600, CTsec=5A.  CTR= CTpri/ CTsec=600/5=120 Protected Line: Length: L=100 km Line impedance: Z1pri=3585 , Z0pri=10580 Z1pri * CTR 35 * 120 Z1 sec   385 VTR 1400 Z0pri * CTR 105 * 120 Z0 sec   980 VTR 1400

Normal system impedance of the source behind relay: Sb=60, Zb * CTR 60 * 120 Zb sec   5.14 VTR 1400

Normal system impedance of the source in front of the relay: Sf=70, Zf * CTR 0 * 120 Zf sec   6 VTR 1400

Minimum system impedance of the source behind relay: Sb_min=80 Minimum system impedance of the source in front of the relay: Sf_min=90 Minimum SLG end of the line fault current with infeed from behind source only is: IFgr _ min 1 

VTpri * 3 3 * (3 * Sb _ min 2 * Z1pri Z0pri)



161000 * 3 3 * (3 * 80 2 * 35 105)

672A

Minimum SLG end of the line fault current flowing in the relay with infeed from both sources: IFgr _ min 2 

VTpri * 3

Sf _ min * 255A  (Sb _ min Z1pri) * Sf _ min (Sb _ min Z0pri) * Sf _ min  Sb _ min Z1pri Sf _ min 3* 2*   Sb _ min Z0pri Sf _ min   Sb _ min Z1pri Sf _ min

Minimum Three-phase end of the line fault current flowing in the relay with infeed from both sources:

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VTprim Sf _ min * 885 A (Sb _ min Z1prim ) * Sf _ min Sb _ min Z1prim Sf _ min 3* Sb _ min Z1prim Sf _ min

Minimum phase-to-phase end of the line fault current flowing in the relay with infeed from both sources: IF3ph _ min* 3 IF 2ph _ min  767A 2

Maximum load current allowed is: IL = 600A =1.0pu,  load impedance is VT sec* CTR ZL sec  13.3 3 * IL PRODUCT SETUP

Fault Report A report is produced when the tripping elements issue a trip signal via assigned virtual output. (VO-1). Setting name Fault Report Source Fault Report Trigger

Example setting SRC 1 TRIP On (VO1)

User setting

Comment Fault report source Fault report trigger

Oscillography A report is produced when the trip output element issues a trip signal via (VO-1). Three phase voltages, three phase currents and digital states as noted below are recorded. Setting name Number Of Records Trigger Mode Trigger Position Trigger Source AC Input Waveforms

Example setting 10 Automatic Overwrite 30% TRIP On (VO1) 16 samples/cycle

User setting

Comment Number of records stored Mode (Overwrite or protected) Pre-fault and post-fault data Oscillography Trigger Sampling rate

Digital channels captured: Channel name Digital Channel 01 Digital Channel 02 Digital Channel 03 Digital Channel 04 Digital Channel 05 Digital Channel 06 Digital Channel 07 Digital Channel 08 Digital Channel 09 Digital Channel 10 Digital Channel 11 Digital Channel 12 Digital Channel 13 Digital Channel 14 Digital Channel 15 Digital Channel 16 Digital Channel 17 Digital Channel 18 Digital Channel 19 Digital Channel 20 Digital Channel 21 Digital Channel 22 Digital Channel 23

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Example setting PH DIST Z1 OP PH DIST Z2 OP PH DIST Z3 OP GND DIST Z1 OP GND DIST Z2 OP GND DIST Z3 OP LINE PICKUP OP SRC1 VT FUSE FAIL OP POWER SWING BLOCK BREAKER 1 CLOSED BREAKER 2 CLOSED SYNC 1 CLS OP SYNC 1 SYNC OP SYNC 1 DEAD S OP POTT OP LATCH 1 ON AR ENABLED AR RIP AR LO AR CLOSE BKR 1 AR CLOSE BKR 2 AR RESET LINE PICKUP LEO PKP

User setting

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Comment

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Digital Channel 24 Digital Channel 25 Digital Channel 26 Digital Channel 27 Digital Channel 28 Digital Channel 29 Digital Channel 30 Digital Channel 31 Digital Channel 32 Digital Channel 33 Digital Channel 34 Digital Channel 35 Digital Channel 36 Digital Channel 37 Digital Channel 38 Digital Channel 39 Digital Channel 40 Digital Channel 41 Digital Channel 43 Digital Channel 44 Digital Channel 45 Digital Channel 46 Digital Channel 47 Digital Channel 48

ALL BRK OPEN On (VO12) LINE PICKUP UV PKP LOAD ENCHR OP

User-Programmable LEDs The TRIP LED is illuminated when the protection elements issue a trip signal. This LED is latched. The ALARM LED is illuminated when ANY MAJOR ERROR is detected. This LED is self-reset. Setting name

Trip LED Input Alarm LED Input

Example setting

User setting

Comment

TRIP On (VO1) ANY MAJOR ERROR

Other LEDs are assigned as follows: Setting name LED # LED 1: OPERAND LED 9: OPERAND LED 10: OPERAND LED 14: OPERAND LED 15: OPERAND LED 17: OPERAND LED 21: OPERAND LED 22: OPERAND LED 23: OPERAND LED 24: OPERAND LED 25: OPERAND LED 26: OPERAND LED 28: OPERAND LED 29: OPERAND LED 30: OPERAND LED 32: OPERAND LED 33: OPERAND LED 34: OPERAND LED 35: OPERAND LED 36: OPERAND LED 37: OPERAND LED 38: OPERAND LED 40: OPERAND 12/22/2004 Ilia Voloh

Example setting Operand Type SETTING GROUP ACT 1 Self-Reset BREAKER 1 OPEN Self-Reset BREAKER 1 CLOSED Self-Reset BREAKER 2 OPEN Self-Reset BREAKER 2 CLOSED Self-Reset SYNC 1 SYNC OP Self-Reset AR ENABLED Self-Reset AR DISABLED Self-Reset AR RIP Self-Reset AR LO Self-Reset PILOT GR TR. On (VO9) Latched PILOT PH TR. On (VO8) Latched PH DIST Z1 OP Latched PH DIST Z2 OP Latched PH DIST Z3 OP Latched LINE PICKUP OP Latched GND DIST Z1 OP Latched GND DIST Z2 OP Latched GND DIST Z3 OP Latched RECL SUCCESS On (VO6) Latched SRC1 VT FUSE FAIL OP Self-Reset POWER SWING BLOCK Latched POTT OP Latched D:\Documenty\gepm\Russia\kep\D60-setting example.doc

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LED 41: OPERAND LED 43: OPERAND

TripCirALARM On (VO19) BUS CB PRESS OK (M7c)

Self-Reset Self-Reset

User-Definable Displays Screen 1 will display three phase current magnitudes (RMS values).. Screens 2, 3, 4 will display the three phase-to-ground voltage magnitudes (RMS values). Screens 5 will display the AB phase-to-phase voltage magnitudes (RMS values). Name DISPLAY # USER DISPLAY 1 USER DISPLAY 2 USER DISPLAY 3 USER DISPLAY 4 USER DISPLAY 5

Top Line SRC 1 RMS Ia:~ SRC 1 RMS Vag: SRC 1 RMS Vbg: SRC 1 RMS Vcg: SRC 1 RMS Vab:

Example setting Bottom Line Item 1 Item 2 Item 3 b:~ c:~ 6144 6146 6148 ~ 6656 ~ 6658 ~ 6660 ~ 6671

User setting

Installation Name Relay Settings Relay Name

Example setting Programmed Relay-1

User setting

Comment Relay have to be set to Programmed to be operational Relay unique name has to be assigned (tagged on events etc)

SYSTEM SETUP AC Inputs Current: Name F1: Phase CT Primary CT F1: Phase CT Secondary CT F1: Ground CT Primary

Example setting 600 A 5A 600 A

User setting

Comment =CTpri =CTsec =CTpri of parallel line. Ground CT primary nominal (mutual coupling compensation) =CTsec of parallel line. Ground CT secondary nominal (mutual coupling compensation)

CT F1: Ground CT Secondary 5 A

Voltage: VT F5: VT F5: VT F5: VT F5: VT F5: VT F5:

Name Phase VT Connection Phase VT Secondary Phase VT Ratio Auxiliary VT Connection Auxiliary VT Secondary Auxiliary VT Ratio

Example setting User setting Wye 66.4 V 1400.00 :1 Vag 66.4 V 1400.00 :1

Comment VT group: delta or wye =VTsec/3 =VTpri/VTsec 1-phase VT (for synchrocheck) =VTsec/3 (1-phase VT secondary nominal) =VTpri/VTsec

Power System Power system parameters are defined here Name Nominal Frequency Phase Rotation Frequency And Phase Reference Frequency Tracking Function

Example setting User setting 60 Hz ABC

60Hz or 50 Hz system System rotation

Comment

SRC 1 Enabled

Source for frequency tracking Enable is recommended

Signal Sources 2 sources are available per one DSP module. They have to be configured accordingly required functionality and connections. Name 12/22/2004 Ilia Voloh

Example setting User setting D:\Documenty\gepm\Russia\kep\D60-setting example.doc

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SOURCE 1: Name

SRC 1

SOURCE 1: Phase CT

F1

SOURCE 1: Ground CT

F1

SOURCE 1: Phase VT

F5

SOURCE 1: Auxiliary VT SOURCE 2: Name SOURCE 2: Phase CT SOURCE 2: Ground CT SOURCE 2: Phase VT SOURCE 2: Auxiliary VT

None SRC 2 None None None F5

Name of the 3-phase CT, VT sources for distance, metering etc 3-phase line CT circuitry (connected to F1, F2 and F3 channels) If used and connected: 1-phase parallel line CT (3I0) for mutual comp. (F4 channel). 3-phase VT for distance, metering etc (F5, F6, F7 channels) Auxiliary VT not used for this source Name of source #2 (used for synchrocheck function)

Synchronizing 1-phase voltage (F8)

Line Line positive and zero-sequence impedance in secondary ohms, used for fault locator Name Pos Seq Impedance Magnitude Pos Seq Impedance Angle Zero Seq Impedance Magnitude Zero Seq Impedance Angle Line Length Units Line Length

Example setting User setting 3.00 ohms =Z1sec Mag 85 ° =Z1sec Ang 9.00 ohms =Z0sec Mag 80 ° km 100

Comment

=Z0sec Ang

Breaker 1 Control This element is used for tracking 52a bus CB poles state and passing this data to other elements. It is also used for driving the faceplate open and closed indicators. BREAKER BREAKER BREAKER BREAKER BREAKER BREAKER BREAKER BREAKER BREAKER BREAKER BREAKER BREAKER Time

Name 1: Function 1: Push Button Control 1: Name 1: Mode 1: Open 1: Close 1: Phase A/3-Pole 1: Phase B 1: Phase C 1: External Alarm 1: Alarm Delay 1: Manual Close Recal

Example setting Enabled Disabled Bkr 1 3-Pole OFF OFF BUS CB 52A On(H7c) OFF OFF OFF 0.000 s 0.000 s

User setting

Comment Enabling the function Faceplate pushbuttons Name of the breaker Mode 1-pole or 3-pole Operand driving open coil Operand driving close coil Breaker auxiliary contact Ph. A or 3pole Breaker auxiliary contact Ph. B Breaker auxiliary contact Ph. C Alarm like Low pressure Alarm delay Limits the duration of manual close cmd

Breaker 2 Control This element is used for tracking 52a tie CB poles state and passing this data to other elements. It is also used for driving the faceplate open and closed indicators. Settings are identical to breaker 1.

FLEXLOGIC

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PH DIST Z2 OP

PH DIST Z3 OP

GND DIST Z1 OP

1

OR OR TRIP (VO1)

GND DIST Z2 OP

GND DIST Z3 OP

POTT OP

LINE PICKUP OP

GND DIST Z1 OP

2 GND DIST Z2 OP

OR OR

GR TRIP (VO2)

GND DIST Z3 OP

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PH DIST Z1 OP

3 PH DIST Z2 OP

PH TRIP (VO3)

OR OR

PH DIST Z3 OP

PH DIST Z1 OP

GND DIST Z1 OP 4

OR OR POTT OP

5 RECLOSE INIT ON(H7A)

RECLOSE INIT (VO4)

AND AND

LATCH 1 ON

BUS CB PRESS ON(M7C)

AR CLOSE BKR 1

6 SYNC 1 SYNC OP

CLOSE BRK (VO5)

AND AND

BUS CB PRESS ON(M7C)

CLOSE BRK ON (VO5)

7

0 min

Timer 4 4 min 8

AND AND

2 min

Timer 5

RECL SUCCESS (VO6) 1 min

ANY BRK CLD ON (VO11)

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POTT OP 9

AND AND

PILOT PH TR (VO8)

PH DIST Z2 OP

POTT OP 10

AND AND

PILOT GR TR (VO9)

GND DIST Z2 OP

SRC1 VT FUSE FAIL OP

11 POWER SWING BLOCK

BLOCK 21P (VO10)

OR OR

LOAD ENCHR OP

BREAKER 1 CLOSED 12 ANY BRK CLD (VO11)

OR OR BREAKER 2 CLOSED

BREAKER 1 OPEN 13

AND AND

ALL BRK OPEN (VO12)

BREAKER 2 OPEN

BREAKER 1 CLOSED 14

AND AND

300 min Timer 6 200 min

TRIPCIRALARM (VO19)

TRIP BUS CB VOFF (H1)

SRC1 VT FUSE FAIL OP 15

OR OR

CRIT ALARM (VO20)

TRIPCIRALARM ON (VO19)

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Entry FlexLogic Entry 1 FlexLogic Entry 2 FlexLogic Entry 3 FlexLogic Entry 4 FlexLogic Entry 5 FlexLogic Entry 6 FlexLogic Entry 7 FlexLogic Entry 8 FlexLogic Entry 9 FlexLogic Entry 10

Example setting PH DIST Z1 OP PH DIST Z2 OP PH DIST Z3 OP GND DIST Z1 OP GND DIST Z2 OP GND DIST Z3 OP POTT OP LINE PICKUP OP OR(8) = TRIP (VO1)

FlexLogic Entry 11 FlexLogic Entry 12 FlexLogic Entry 13 FlexLogic Entry 14 FlexLogic Entry 15

GND DIST Z1 OP GND DIST Z2 OP GND DIST Z3 OP OR(3) = GR TRIP (VO2)

FlexLogic Entry 16 FlexLogic Entry 17 FlexLogic Entry 18 FlexLogic Entry 19 FlexLogic Entry 20 FlexLogic Entry 21 FlexLogic Entry 22 FlexLogic Entry 23 FlexLogic Entry 24 FlexLogic Entry 25 FlexLogic Entry 26 FlexLogic Entry 27 FlexLogic Entry 28 FlexLogic Entry 29 FlexLogic Entry 30 FlexLogic Entry 31 FlexLogic Entry 32 FlexLogic Entry 33 FlexLogic Entry 34

PH DIST Z1 OP PH DIST Z2 OP PH DIST Z3 OP OR(3) = PH TRIP (VO3) PH DIST Z1 OP GND DIST Z1 OP POTT OP RECLOSE INIT On(H7a) OR(4) LATCH 1 ON BUS CB PRESS On(M7c) AND(3) = RECLOSE INIT (VO4) AR CLOSE BKR 1 SYNC 1 SYNC OP BUS CB PRESS On(M7c) AND(3) = CLOSE BRK (VO5)

FlexLogic Entry 35 FlexLogic Entry 36 FlexLogic Entry 37 FlexLogic Entry 38 FlexLogic Entry 39 FlexLogic Entry 40 FlexLogic Entry 41

CLOSE BRK On (VO5) NEGATIVE ONE SHOT TIMER 4 ANY BRK CLD On (VO11) AND(2) TIMER 5 = RECL SUCCESS (VO6)

FlexLogic Entry 42 FlexLogic Entry 43 FlexLogic Entry 44 FlexLogic Entry 45 FlexLogic Entry 46 FlexLogic Entry 47 FlexLogic Entry 48 FlexLogic Entry 49 FlexLogic Entry 50 FlexLogic Entry 51 FlexLogic Entry 52 FlexLogic Entry 53

POTT OP PH DIST Z2 OP AND(2) = PILOT PH TR (VO8) POTT OP GND DIST Z2 OP AND(2) = PILOT GR TR (VO9) SRC1 VT FUSE FAIL OP POWER SWING BLOCK LOAD ENCHR OP OR(3)

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User setting

D:\Documenty\gepm\Russia\kep\D60-setting example.doc

Comment Function assigned to cause a trip Function assigned to cause a trip Function assigned to cause a trip Function assigned to cause a trip Function assigned to cause a trip Function assigned to cause a trip Function assigned to cause a trip Function assigned to cause a trip Tripping gate assigned to Trip contacts

Any Ground Distance zone operation

Any Phase Distance zone operation

Gate assigned to initiate reclose

Breaker close command, autoreclose with synchcheck

At least one breaker closed

Identification of successful reclosure

Identification of pilot phase trip

Identification of pilot ground trip

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FlexLogic Entry 54 FlexLogic Entry 55 FlexLogic Entry 56 FlexLogic Entry 57 FlexLogic Entry 58

= BLOCK 21P (VO10) BREAKER 1 CLOSED BREAKER 2 CLOSED OR(2) = ANY BRK CLD (VO11)

FlexLogic Entry 59 FlexLogic Entry 60

BREAKER 1 OPEN BREAKER 2 OPEN

FlexLogic Entry 61 FlexLogic Entry 62 FlexLogic Entry 63 FlexLogic Entry 64 FlexLogic Entry 65 FlexLogic Entry 66 FlexLogic Entry 67

AND(2) = ALL BRK OPEN (VO12) BREAKER 1 CLOSED TRIP BUS CB VOff (H1) AND(2) TIMER 6 = TripCirALARM (VO19)

FlexLogic Entry 68 FlexLogic Entry 69 FlexLogic Entry 70 FlexLogic Entry 71

SRC1 VT FUSE FAIL OP TripCirALARM On (VO19) OR(2) = Crit alarm (VO20)

Blocking of phase distance

Identification of at least one breaker open state Identification of both breakers closed state

Trip circuit alarm when breaker 1 is closed

Critical alarm form either VTFF or Trip Circ. Alarm

Flexlogic Timers Timer # 1 2 3 4 5 6

Exmaple setting units PKP DPO second 0 1 second 0 1 second 0 1 second 0 4 second 2 1 millisecond 300 200

User setting

Comment Spare Spare Spare Delay to identify successful autorelosure Delay to identify successful autorelosure Delay to set Trip Circuit Supervivon alarm

Flexelements Can be used to create user-required protection elements.

Non-volatile latches Latch #1 used to memorize Autoreclose Enable/Disable command from either pushbuttons or RTU Name LATCH 1: Function LATCH 1: Type LATCH 1: Set LATCH 1: Reset LATCH 1: Target LATCH 1: Events

Example setting Enabled Reset Dominant 79 SET On(H8c) 79 RESET On(M8c) Disabled Enabled

User setting

Comment Reset or Set dominant Operand causing Set position Operand causing Reset position

GROUPED ELEMENTS - GROUP 1 LINE PICKUP (Group 1) This element performs the switch-on-to-fault function. Setting Name Function Signal Source

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Example setting Enabled SRC 1

User setting

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Phase IOC Line Pickup

1.05 pu

UV Pickup Line End Open Pickup Delay Line End Open Reset Delay OV Pickup Delay

0.700 0.150 0.090 0.040

Autoreclose Coordination Bypass Autoreclose Coordination Pickup Delay Autoreclose Coordination Reset Delay Terminal Open

Enabled

AR Accelerate Block Target Events

=IFgr_min1*0.9/CTpri=672*0.9/600=1.05 pu (factor 0.9 is used to ensure operation for current below minimum fault current) No-voltage check

pu s s s

Time window of opportunity for Line Pickup operation, when voltage builds up. No high-speed reclosure is used for this application

0.045 s 0.005 s Indication from breakers that line is deenergized

ALL BRK OPEN On (VO12) OFF OFF Latched Enabled

Distance (Group 1) Specifies common for all distance elements settings. Setting Name

Example setting

Source Memory Duration

SRC 1 10 cycles

Force Self-Polar

OFF

User setting

Comment Source for 3-phase voltage and current for distance Duration of the memory Operand to reset memory if needed in special cases

Phase Distance Z1 Setting Name PH DIST Z1: Function PH DIST Z1: Direction PH DIST Z1: Shape PH DIST Z1: Xfmr Vol Connection PH DIST Z1: Xfmr Curr Connection PH DIST Z1: Reach

Example setting User setting Enabled Forward Mho None None 2.55 ohms

Comment

PH DIST Z1: RCA PH DIST Z1: Comp Limit

85 ° 90 °

PH DIST Z1: DIR RCA

85 °

Line positive sequence impedance angle. This produces a circular Mho characteristic Line positive sequence impedance angle for direct. checks

PH DIST Z1: DIR Comp Limit PH DIST Z1: Quad Right Blinder PH DIST Z1: Quad Right Blinder RCA PH DIST Z1: Quad Left Blinder PH DIST Z1: Quad Left Blinder RCA PH DIST Z1: Supervision

90 ° 10.00 ohms 85 °

Blinders for directional lines Used for QUAD only Used for QUAD only

10.00 ohms 85 ° 1.00 pu

PH DIST Z1: Volt Level PH DIST Z1: Delay PH DIST Z1: Block

0.000 pu 0.000 s BLOCK 21P On (VO10) Latched

Used for QUAD only Used for QUAD only 4.69 < ZLsec /22.96 (where 25 is desired primary fault resistance to detect and 2.6 is line primary resistance at the zone end)