Test Service Service --- 06 Service Test Test ---- 05 Close Service Service ----01Y Close / Independent ----01X open condition ----01Z Close / Independent S - -01 open condition Close / Service S - -05 open Service FUNCTIONAL AND INTERLOCKING TEST FOR CIRCUIT BREAKER ----05: Operation Condition Equipments Status Remarks DS ----04& ----06 FO Close/open Test CB- S-----05 Test DS- -----06 FC Service-1 CB-S----05 O Close* CB-S---05 O Service-2 DS- ------04 FC LCC,CR,ECC & Open Test & service Operated Protection Relays All checked under normal sf6 gas pressure operating conditions * Protection relays should be reset Note: FO: fully open FC: fully close O: open
Test --- 06 Service Service Service Test ---- 05 Close Test Service Service ----01Y Close / open Independent condition ----01X ----01Z S - -01 Close / open Independent condition S - -05 Close / open Service Service FUNCTIONAL AND INTERLOCKING TEST FOR CIRCUIT BREAKER ----05: Operation Condition Equipments Status Remarks Close/open Test DS ----04& ----06 FO CB- S-----05 Test Close* Service-1 DS- -----06 FC CB-S----05 O Service-2 CB-S---05 O DS- ------04 FC Open Test & service LCC,CR,ECC & Protection Relays Operated All checked under normal sf6 gas pressure operating conditions * Protection relays should be reset Note: FO: fully open FC: fully close O: open