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Busbar Protection Funtion: 2 X 7 MW Ende NTT Coal Fired Power Plant 70Kv Switchyard Field Test Report

This document summarizes a field test report of the busbar protection function of a 70kV switchyard for a 2 x 7 MW ENDE NTT coal fired power plant. It details test cases where faults were connected to different bus sections and verifies the correct operation of the ABB REB670 protection relay, including selective tripping of the correct circuit breakers. The tests confirmed the protection relay could identify the fault locations and zones and ensure selectivity was maintained across all fault scenarios.

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Anto Damanik
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32 views3 pages

Busbar Protection Funtion: 2 X 7 MW Ende NTT Coal Fired Power Plant 70Kv Switchyard Field Test Report

This document summarizes a field test report of the busbar protection function of a 70kV switchyard for a 2 x 7 MW ENDE NTT coal fired power plant. It details test cases where faults were connected to different bus sections and verifies the correct operation of the ABB REB670 protection relay, including selective tripping of the correct circuit breakers. The tests confirmed the protection relay could identify the fault locations and zones and ensure selectivity was maintained across all fault scenarios.

Uploaded by

Anto Damanik
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as XLS, PDF, TXT or read online on Scribd
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2 x 7 MW ENDE NTT COAL FIRED POWER PLANT

70KV SWITCHYARD
FIELD TEST REPORT
page: 1/1 PT PLN (PERSERO)

Rev-0: 4 July 2008 BUSBAR PROTECTION FUNTION Form No.: NTT-EDR-BP-1208


I EQUIPMENT DATA
1) Protection Relay : ABB REB670 3)
2) Number Bays : 6 of 8 BAYS 4) Test Date : 23 June 2011

II PROTECTION SELECTIVITY

A CONNECTED FAULT LOCATION TRIP RELAY INDICATION


BAY #1 BUS -1 BUS-1 √
BAY #2 BUS-2
Bay #3 BUS-1 √ CHECK ZONE
ZONE-A
Bay #4
Bay #5 BUS-1 √
Bay #6 BUS-2

B CONNECTED FAULT LOCATION TRIP RELAY INDICATION


BAY #1 BUS -2 BUS-2 √
BAY #2 BUS-1
Bay #3 BUS-2 √ CHECK ZONE
ZONE-B
Bay #4
Bay #5 BUS-2 √
Bay #6 BUS-1

C CONNECTED FAULT LOCATION TRIP RELAY INDICATION


BAY #1 BUS -2 BUS-1 √
BAY #2 BUS-1 √
CHECK ZONE
Bay #3 BUS-2 √ ZONE-A
ZONE-B
Bay #4 BUS COUPLER √
Bay #5 BUS-2 √
Bay #6 BUS-1 √

D CONNECTED FAULT LOCATION TRIP RELAY INDICATION


BAY #1 BUS -2 BUS-2 √
BAY #2 BUS-1 √
CHECK ZONE
Bay #3 BUS-2 √ ZONE-A
ZONE-B
Bay #4 BUS COUPLER √
Bay #5 BUS-2 √
Bay #6 BUS-1 √

TEST DATE TESTED BY WITNESS-1 WITNESS-2 WITNESS-3 REMARKS


ENDIRA
23-Jun-11 Roliman/Meychel

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