Bus Bar Test Report

TEST REPORT FOR REB670 RELAY DOC. No. : Sale Order No : DATE : CLIENT: M/s. ESIDS Chennai PROJECT: 220/132KV SUBSTATION

Sheet No 1 of 3

CUSTOMER

: ESIDS

STATION NAME

: 220/132KV SUBSTATION

FEEDER NAME

: BUS BAR FEEDER

PROTECTION

: REB670 BUS BAR PROTECTION REALY.

GENERAL INFORMATION AND DATA Protection Relay data Make Auxiliary supply Software version of relay Drawing reference

ABB

Type

220V DC V1.1 Rev 01

Rating Location of relay Serial No of Relay

Main C.T. ratio Settings Location of CT core BAY 201 BAY 202 BAY 203

Ratio 800/1 800/1 800/1

REB 670 In=1A, Un=220V, 50Hz BB

ZONE CONNECTION FIEXED TOZA FIXED TO ZA FIXED TO ZA

BUS: ZONE-A STABILITY TEST BAY 201& BAY 203 SL.NO

INJECTED PHASE

INJECTED CURRENT BAY 201(A)

INJECTED CURRENT BAY 203(A)

I diff current(A)

STABILITY

1 2 3

R-N Y-N B-N

1A,0° 1A,240° 1A,120°

1A, 180° 1A, 60° 1A,300°

0 0 0

STABLE STABLE STABLE

BAY 202 & BAY 203 SL.NO

INJECTED PHASE

INJECTED CURRENT BAY 202(A)

INJECTED CURRENT BAY 203(A)

I diff current(A)

STABILITY

1 2 3

R-N Y-N B-N

1A,0° 1A,240° 1A,120°

1A, 180° 1A, 60° 1A,300°

0 0 0

STABLE STABLE STABLE

Test by:

Witnessed by:

Name : Mr.

Name:

Designation. : Testing Engr.

Designation:

Signature & Date

Signature & Date ESIDS CHENNAI CREATED FORMAT

TEST REPORT FOR REB670 RELAY DOC. No. : Sale Order No : DATE : CLIENT: M/s. ESIDS Chennai PROJECT: 220/132KV SUBSTATION

Sheet No 2 of 3

PICK UP CURRENT TEST: SET CURRENT: 800A SL.NO

BAY NO

1

BAY 201

2

BAY 202

3

BAY 203

PICK UP CURRENT(A) DROP CURRENT(A) PICK UP CURRENT(A)

MAIN 01 800.21A 798.56A 800.31A

DROP CURRENT(A) PICK UP CURRENT(A) DROP CURRENT(A)

798.42A 799.92A 797.95A

LBB TEST: BAY 201 Set current=20%Ibase I base = 800 Set time: Retrip = OFF Set time: LBB trip=200 ms

1

R-N

Injected current(mA) 203

2 3

Y-N B-N

204 203

Sl. No.

Phase

Retrip time (ms )

LBB trip time(ms)

OFF

224

OFF OFF

198 219

Retrip time (ms )

LBB trip time(ms)

OFF OFF OFF

226 217 221

BAY 202 Set current=20%Ibase I base = 800 Set time: Retrip = OFF Set time: LBB trip=200 ms Sl. No. 1 2 3

Phase R-N Y-N B-N

Injected current(mA) 204 203 203

Test by:

Witnessed by:

Name : Mr.

Name:

Designation. : Testing Engr.

Designation:

Signature & Date

Signature & Date ESIDS CHENNAI CREATED FORMAT

TEST REPORT FOR REB670 RELAY DOC. No. : Sale Order No : DATE : CLIENT: M/s. ESIDS Chennai PROJECT: 220/132KV SUBSTATION

Sheet No 3 of 3

BAY 203 Set current=5%Ibase I base = 335 Set time: Retrip = OFF Set time: LBB trip=200 ms Sl. No

Phase

1 2 3

R-N Y-N B-N

Injected current(mA) 22.0 22.0 22.0

Retrip time (ms )

LBB trip time(ms)

OFF OFF OFF

228 221 224

Check of LED

Checked OK.

Check of Trip Relays

Checked OK.

Check of Signal Output Relays

Checked OK.

Check of Binary Inputs

Checked OK.

Alarm and Trip Functions

Checked OK.

Remarks

:

Relay Tested and found working satisfactorily.

Test by:

Witnessed by:

Name : Mr.

Name:

Designation. : Testing Engr.

Designation:

Signature & Date

Signature & Date ESIDS CHENNAI CREATED FORMAT