The Case of 220 kV Line Single-phase Fault Reclosing Action Accident Analysis and Processing
Liu Hang1,Yang Guangming2,Zhou Haiting2,Zhang Min2,Chen Desheng2
1. The State Grid Xuchang Power Supply Company Xuchang, He’nan 461000; 2. XJ Electric Co., Ltd. Automatic Protection Corporation, Xuchang, He’nan 461000
Abstract：In a intelligent substation 220kV line single-phase fault zone, the circuit breaker tripping three-phase reclosing is not coincidence accident, through the analysis report and fault wave record device protection device, find the causes of protection and circuit breaker tripping not corresponding, the subsequent improvement measures are put forward.
2015, Vol. 16 
