CHECKING OF TRIP CIRCUIT SUPERVISION RELAYS Relay Breaker condition Event Indication at swgr Remark Trip circuit E ON faulty A Trip circuit E OFF faulty A Note: the above event simulated by pulling out all wire as the drawing e: expected a: actual CHECKING OF CB INTERLOCKING Breaker Lock out Lock Out relay Closing from13.8kv Closing From **closing From CR Position Relay Status swgr FMK E Possible Possible Possible Reset A Service E Not possible Not possible Not possible Operation A E Possible Not possible Not possible Test Reset A
CHECKING OF TRIP CIRCUIT SUPERVISION RELAYS Relay Breaker condition Event Indication at swgr Remark ON Trip circuit faulty E A OFF Trip circuit faulty E A Note: the above event simulated by pulling out all wire as the drawing e: expected a: actual CHECKING OF CB INTERLOCKING Breaker Position Lock out Relay Lock Out relay Status Closing from13.8kv swgr **closing From CR Closing From FMK Service Reset E Possible Possible Possible A Operation E Not possible Not possible Not possible A Test Reset E Possible Not possible Not possible A