一起高压带电显示装置异常造成接地刀闸闭锁的案例分析及处理  

Analysis and Treatment of a Case of Earthing Knife-switch Blocking Caused by Abnormality of High-voltage Display Device

作　　者：王皓 邵安海 林欣越 WANG Hao;SHAO An-hai;LIN Xin-yue(EHV Branch Company of State Grid Fujian Electric Power Co.Ltd.,Fuzhou 350013,China)

机构地区：[1]国网福建省电力有限公司超高压分公司,福建福州350013

出　　处：《电气开关》2023年第2期92-95,共4页Electric Switchgear

摘　　要：本文针对一起高压带电显示装置异常造成地刀控制回路闭锁的实际案例进行分析,作者通过分析高压带电显示装置的原理,以及查阅被闭锁接地刀闸的电气闭锁回路图纸,最终确定了异常闭锁发生的原因,并提出了相应的异常处理建议。This paper analyzes a case of earthing knife-switch control circuit blocking caused by abnormality of high-voltage display device.Through analyzing the principle of high-voltage display device and checking the electrical blocking circuit drawings of the blocked earthing knife-switch,the author determines the reason of abnormal blocking and eventually puts forward corresponding suggestions.

关 键 词：高压带电显示装置 电气闭锁 控制回路 异常处理 

分 类 号：TM8[电气工程—高电压与绝缘技术]