一起接地开关故障引起两座变电站跳闸的事故分析  

Analysis of a tripping event of two substations caused by earthing switch fault

作　　者：万寿雄 WAN Shouxiong(Liuzhou Power Supply Bureau of Guangxi Power Grid Corporation,Liuzhou,Guangxi 545005)

机构地区：[1]广西电网有限责任公司柳州供电局,广西柳州545005

出　　处：《电气技术》2024年第6期72-76,81,共6页Electrical Engineering

摘　　要：本文介绍一起由接地开关故障引起两座变电站断路器越级跳闸的事故,通过现场勘察并结合保护装置报文、故障录波进行分析,找出跳闸原因并提出整改建议。This paper introduces a tripping accident of two substation switches caused by earthing switch fault.Through on-site investigation and analysis of protection device message and fault recording,the reason of tripping is found out and suggestions for rectification are put forward.

关 键 词：接地开关 跳闸 保护动作 越级 录波分析 

分 类 号：TM63[电气工程—电力系统及自动化] TM564