摘要
对一起220 kV氧化锌避雷器阻性电流超标事件进行分析。对故障避雷器进行电气试验,包括带电检测、绝缘电阻测量、直流参考电压及泄漏电流测量等。根据电气试验和故障避雷器解体检查的结果,确定故障原因,并提出相应的整改措施。
An incident that the resistive current of a 220 kV zinc-oxide surge arrester exceeds the standard is analyzed.Electrical tests including live detection,insulation resistance measurement,DC reference voltage and leakage current measurement are carried out on the faulty surge arrester.Based on the results of electrical tests and disassembly of the faulty surge arrester,the fault causes are determined and the corresponding rectification measures are put forward.
作者
李海凤
刘静
郭良峰
王文海
郭祥雄
LI Haifeng;LIU Jing;GULiangfeng;WANG Wenhai;GUO Xiangxiong(State Grid of China Technology College,Jinan 250002,China;Hengyuan Asset Management Branch of State Grid Shandong Electric Power Company,Jinan 250001,China;State Grid Wuhan Electric Power Supply Company,Wuhan 430050,China)
出处
《山东电力高等专科学校学报》
2022年第2期25-27,35,共4页
Journal of Shandong Electric Power College
关键词
氧化锌避雷器
绝缘受潮
阻性电流
zinc-oxide surge arrester
moistened insulation
resistive current
