摘要
分析了刀闸辅助触点异常造成母差保护开入异常告警的原因,并提出处理方法及防范措施,对类似异常告警缺陷的预防和快速处理具有参考意义。
The reason that anomaly input of the bus differential protection caused by abnormal auxiliary contact of the grounding switch was analyzed. The treatment method and preventive measures which could provide reference for the prevention and rapid treatment of similar abnormal warning defects were proposed.
作者
李炳煌
黎小花
黄弘舟
LI Binghuang;LI Xiaohua;HUANG Hongzhou(State Grid Quanzhou Electric Power Supply Company, Quanzhou 36200, China)
出处
《电工技术》
2019年第17期118-119,共2页
Electric Engineering
关键词
母差保护
开入
异常
防范
bus differential protection
input
abnormal
prevention
