某220kV变电站断路器非全相异常分析

Analysis of Non-full-phase Abnormality of Circuit Breaker in a 220kV Substation

断路器的安全稳定运行对电网的正常运行有着重要的意义。本文介绍了一起因时间继电器的质量问题导致断路器非全相运行的故障案例,通过查找故障原因,总结了经验,提出了相应的处理措施和建议。

The safe and stable operation of circuit breaker is of great significance to the normal operation of power grid.This paper introduces a fault case of non-full-phase operation of circuit breaker caused by the quality problem of time relay.By finding the cause of the fault,the experience is summarized,and the corresponding treatment measures and suggestions are put forward.