Analysis on the Operation Points of Bus Connecting Circuit Breaker as Bypass Circuit Breaker in Double Bus Connection

Through the switching operation process of a substation bypass circuit breaker replacing a 110 kV substation, the selection of bypass setting value, precautions for bypass circuit breaker operation and analysis of dangerous points are introduced in detail.The precautions, operating points and dangerous points of bus connecting bypass circuit breaker in double bus connection are comprehensively analyzed.