Cap Cap bank Cap bank Cap bank Cap Cap Given Local Scada bank -1 -2 -3 -1 Bank -2 bank -3 Racked Racked Racked Racked Manual 1 Opened close out out out out close Racked Racked Racked Racked Manual 2 closed open out out out out open Racked Racked Racked Racked Manual 3 opened close out out out out close Racked Racked Racked Racked Manual 4 closed open out out out out open Racked Racked Racked Racked Manual 5 opened close out out out out close Racked Racked Racked Racked Manual 6 closed open out out out out open Note: After tripping of CB 10 Min should be elapsed for further operation... FUNCTIONAL CHECKS OF ACCS: Mode of operation: Auto Closing and opening of capacitor Bank breaker is 5 Min In Auto Mode, the Closing of cap Bank Circuit Breakers should be in ascending order (i.e., cap bank -1, cap bank – 2, cap bank – 3 …..) Where as the opening of cap bank to be in descending order (i.e.,) cap bank -3,cap bank -2,cap bank -1 and so on. CASE 1: Bus coupler – 1(BC -1) and Bus coupler -2 (BC -2) are in open Position
Given Cap bank -1 Cap bank -2 Cap bank -3 Cap bank -1 Cap Bank -2 Cap bank -3 Local Scada 1 Opened Racked out Racked out close Racked out Racked out Manual close 2 closed Racked out Racked out open Racked out Racked out Manual open 3 Racked out opened Racked out Racked out close Racked out Manual close 4 Racked out closed Racked out Racked out open Racked out Manual open 5 Racked out Racked out opened Racked out Racked out close Manual close 6 Racked out Racked out closed Racked out Racked out open Manual open Note: After tripping of CB 10 Min should be elapsed for further operation... FUNCTIONAL CHECKS OF ACCS: Mode of operation: Auto Closing and opening of capacitor Bank breaker is 5 Min In Auto Mode, the Closing of cap Bank Circuit Breakers should be in ascending order (i.e., cap bank -1, cap bank – 2, cap bank – 3 …..) Where as the opening of cap bank to be in descending order (i.e.,) cap bank -3,cap bank -2,cap bank -1 and so on. CASE 1: Bus coupler – 1(BC -1) and Bus coupler -2 (BC -2) are in open Position
function_test_-_accs_33kv_.docx