一起220 kV某GIS设备伸缩节的放电故障  

A Discharge Fault of Expansion Joint of 220 kV GIS Equipment

作　　者：任洁 马传慧 薛东海 孙艳 马宇 马振京 REN Jie;MA Chuanhui;XUE Donghai;SUN Yan;MA Yu;MA Zhenjing(Weifang Wuzhou Hot Electric Co.,LTD.,Shandong Weifang 261000,Shandong,China;Xingyang Power Supply Corporation of Henan Province,State Grid,Henan Zhengzhou 450052,China)

机构地区：[1]潍坊五洲浩特电气有限公司,山东潍坊261000 [2]国网河南荥阳供电公司,河南郑州450052

出　　处：《农村电气化》2023年第3期60-62,共3页Rural Electrification

摘　　要：气体绝缘开关设备受制造技术、装配工艺、运行环境等因素影响,运行中可能会出现SF6气体泄漏、局部放电等故障。介绍了某220 kV气体绝缘设备伸缩节气室漏气放电,220 kV母差保护动作跳闸,通过此次事故分析,对GIS设备的运行维护具有一定的借鉴意义。Influenced by manufacturing technology,assembly process,operating environment and other factors,the gas-insulated switchgear may have SF6 gas leakage,partial discharge and other faults during operation.This paper introduces the leakage discharge of the expansion throttle chamber of a 220 kV gas-insulated equipment,and the tripping of the 220 kV bus differential protection.Through this accident analysis,it has certain reference significance for the operation and maintenance of GIS equipment.

关 键 词：GIS 伸缩节 SF6泄漏 检查分析 

分 类 号：TM633[电气工程—电力系统及自动化]