There is an electrical interlock be

There is an electrical interlock between the generator exit circuit breaker and the isolation switch, between the isolation switch and the ground switch, between the generator exit circuit breaker and the ground switch, and between the generator exit circuit breaker, isolation switch and ground switch.In order to prevent misoperation, when closeing the gate must first determine that the ground switch is open, then close the isolation switch, and finally close the circuit breaker, the gate must first separate the circuit breaker, and then separate the isolation switch, which can ensure that there will be no load pull isolation switch misoperation.