水电站500 kV断路器操动机构频繁打压分析与处理

Analysis and Treatment of Frequent Pressurization of 500 kV Circuit Breaker Operating Mechanism in Hydropower Station

针对彭水水电站水张一线500 kV断路器HMB-8型操动机构频繁打压故障,研究了操动机构的结构原理,对频繁打压的故障原因进行了分析。阐述了故障处理的方法与具体步骤,最终成功处理了该故障。

Aiming at the frequent pressurization failures of HMB-8 type operating mechanism of 500 kV circuit breaker of Zhang No.1 Line of Pengshui Hydropower Station,the structural principle of the operating mechanism is studied,the cause of the frequent pressing failure is analyzed.The method and specific steps of fault handling are described,and the fault is finally successfully handled.