Nuclear BOP auxiliary system
Water delivery valve which is in SEC Pit usually closed, it need to open drain valve in some related work condition, due to valve is in deep pit, current operation type: After lifting steel grill, operate valve which entry pit by stairs, it will delay operation time, and take danger to operator.
It could take valve to ground which convenience to operate out of Pit by Valve Remote Transmission facility, it convenience to operate and ensure safety for operator.
Remote transmission distance：6.5m
Interlock application in GIS electromagnetic switch
Boost station or GIS system in power plant, Electric switch operation could realize by electrical five prevention, lack of effective five prevention system, when local or manual operation. By increase safety mechanical interlock system, could effective ensure avoid local or manual operation
error operation, ensure person or facility safety.
Interlock solution instruction:
Break circuit breaker, break I female、II female isolation mechanical interlock，break Outgoing line isolation Knife brake，rotated mechanical interlock key E1、E2、E3 which on the three knife brake，knife brake locked in break station, take out three keys and insert key exchange box, exchange out two keys E4、E5，use E4、E5 to unlock ground knife brake which lie circuit breaker up and down both sides, then could ground.