3起典型继电保护误动事件引发的思考  

Reflection on Three Typical Relay Protection Maloperation Events

作　　者：刘琨 王小琪 LIU Kun;WANG Xiaoqi(State Grid Changzhi Electric Power Company of Shanxi,Changzhi,Shanxi 046000,China)

机构地区：[1]国网长治供电公司,山西长治046000

出　　处：《山西电力》2020年第4期49-53,共5页Shanxi Electric Power

摘　　要：通过分析3起典型的继电保护误动事件,剖析了事件发生的具体原因,深入挖掘了事件背后的诱因,提出在设计、施工、调试、验收、定检、运维管理等工作应中注意的问题,以保证继电保护装置的正确动作。Based on an analysis of three typical relay protection maloperation events,the specific causes of the events are analyzed,and the underlying incentives of the events are studied deeply.The issues that should be paid attention to in design,construction,commissioning,acceptance inspection,regular checkup,operation and maintenance management are put forward to ensure the proper operation of the relay protection devices.

关 键 词：继电保护误动 伏安特性 电流回路 元件损坏 防范措施 

分 类 号：TM774[电气工程—电力系统及自动化]