Conditions Cap Cap Cap checked by Cap bank Cap bank Cap bank bank Bank Bank Local Scada ACCS -1 -2 -3 -1 -2 -3 Bus – A Racked Racked Racked Racked Under 1 volt Opened Close out out out out voltage < 31 kv Bus – A Racked Racked Racked Racked Over 2 volt closed Open out out out out voltage > 36 kv Bus – B Racked Racked Racked Racked Under 3 volt opened Close out out out out voltage < 31 kv Bus – B Racked Racked Racked Racked Over 4 volt Closed Open out out out out voltage > 36 kv Bus – c Racked Racked Racked Racked Under 5 volt Opened Close out out out out voltage < 31 kv Bus – c Racked Racked Racked Racked Over 6 volt closed Open out out out out voltage < 36 kv Case 7: If any one of Three Grid Transformer is out of service, then the system will Remain same. SCADA COMMANDS TO ACCS PANEL: Item From SCADA To Accs Panel Signal Name Remarks 1 1 X --- : ___ - __ X --- : ___ - __ SCADA in 2 1 X --- : ___ - __ X --- : ___ - __ SCADA out
Conditions checked by ACCS Cap bank -1 Cap bank -2 Cap bank -3 Cap bank -1 Cap Bank -2 Cap Bank -3 Local Scada 1 Bus – A volt < 31 kv Opened Racked out Racked out Close Racked out Racked out Under voltage 2 Bus – A volt > 36 kv closed Racked out Racked out Open Racked out Racked out Over voltage 3 Bus – B volt < 31 kv Racked out opened Racked out Racked out Close Racked out Under voltage 4 Bus – B volt > 36 kv Racked out Closed Racked out Racked out Open Racked out Over voltage 5 Bus – c volt < 31 kv Racked out Racked out Opened Racked out Racked out Close Under voltage 6 Bus – c volt < 36 kv Racked out Racked out closed Racked out Racked out Open Over voltage Case 7: If any one of Three Grid Transformer is out of service, then the system will Remain same. SCADA COMMANDS TO ACCS PANEL: Item From SCADA To Accs Panel Signal Name Remarks 1 1 X --- : ___ - __ X --- : ___ - __ SCADA in 2 1 X --- : ___ - __ X --- : ___ - __ SCADA out