一起35kV干式空心并联电抗器绝缘击穿事故原因分析及解决方案  

Analysis and Solution of a Insulation breakdown of 35kv Dry-Type Air-Core Shunt Reactor

作　　者：朱恩泽 陈习文 王相锋 冯小轩 张潇 郭傲 ZHU En-ze;CHEN Xi-wen;WANG Xiang-feng;FENG Xiao-xuan;ZHANG Xiao;GUO Ao(Maintenance Branch of State Grid Jibei Power Company,Beijingg 100000,China)

机构地区：[1]冀北电力有限公司超高压分公司,北京100000

出　　处：《变压器》2023年第8期59-64,共6页Transformer

摘　　要：本文中作者介绍了一起500kV变电站35kV干式空心并联电抗器在进行现场耐压试验时发生绝缘击穿故障的情况,通过电抗器事故现场检查、电气试验以及返厂解体,并结合干式空心并联电抗器的结构,对电抗器故障的原因进行了分析,确定了故障原因,提出了解决方案,可避免类似事故的发生。故障分析结果和解决方案对干式电抗器的安全运行具有普遍的的借鉴意义。This paper introduces the insulation breakdown fault of a 35kV dry-type aircore shunt reactor in a 50OkV substation during the inter-turn withstand voltage test.Through the on-site inspection,electrical test and disintegration of the reactor accident,combined with the structure of the dry-type air-core shunt reactor,the cause of the reactor fault is analyzed,the cause of the fault is determined,and the solution is proposed to avoid similar accidents.The fault analysis results and solutions have universal reference significance for the safe operation of dry reactor.

关 键 词：干式空心并联电抗器 绝缘击穿 故障分析 解决方案 

分 类 号：TM472[电气工程—电器]