LW30—126G户外高压断路器合闸线圈烧毁事故的原因分析

Analysis on the Reason to the Bnrnthough of LW30-126G Outdoor High-voltage Circuit Breaker Closing Coil

根据LW30—126G户外高压自能式SF6断路器合闸线圈烧毁后的现场检查情况及事故处理过程,分析了导致合闸线圈烧毁的直接原因,并提出了避免此类故障的对策。

According to the field inspection result of LW30— 126G high voltage accumulation energySF6 circuit breaker after theclosing coil was burnthrough it analyses the immediate cause and gives the ways to avoid the same trouble.