摘要
介绍一起LW12-220型断路器无故障跳闸事故,通过现场设备检查和事故原因分析,认为事故是由于断路器自身存在缺陷造成的,提出加强设备在生产、使用过程中监督管理的建议。
After introduction of a non fault-trip fault, this paper considers the causes is itself limitation of circuit breaker, through devices examination and fault causes analysis. Finally, the paper indicates suggestions of strenthening supervision an management during operation and usage.
出处
《河北电力技术》
2008年第5期4-5,共2页
Hebei Electric Power
关键词
断路器
无故障跳闸
二次回路
操动机构
circuit breaker
non-fault-trip
second circuit
operating mechanism