一起500kV SF_6气体绝缘电流互感器故障分析  

Analysis of 500kV SF_6 Gas Insulated Current Transformer Fault

作　　者：徐鹏 甘强 邵新苍 曹雅榕 XU Peng;GAN Qiang;SHAO Xin-cang;CAO Ya-rong(State Grid Jiangsu Electric Power Company, Nanjing 210000, China;Nanjing Power Supply Company,State Grid Jiangsu Electric Power Company, Nanjing 210000, China)

机构地区：[1]国网江苏省电力有限公司检修分公司,江苏南京210000 [2]国网江苏省电力有限公司南京供电公司,江苏南京210000

出　　处：《变压器》2018年第6期70-73,共4页Transformer

摘　　要：本文中笔者介绍了一起500kV SF_6电流互感器的主绝缘故障,分析了电流互感器结构,建立了绝缘介质模型,分析了场强分布。结合现场拆解情况,分析了故障起因,介绍了故障发展过程。The main insulation fault of a 500kV SF6 current transformer is introduced by the authors in this paper. The structure of the current transformer is analyzed. The insu- lation medium model is established. The field strength distribution is analyzed. Based on the field dismantling situation, the cause of the fault is analyzed. The fault development process is introduced.

关 键 词：电流互感器 绝缘介质 场强 故障 

分 类 号：TM406[电气工程—电器]