电容式电压互感器电磁单元异常发热故障分析  

Analysis on an Overheat Fault of Electromagnetic Unit of Capacitor Voltage Transformer

作　　者：黄海飞 许家响 王静 范小辉 朱旻哲 HUANG Haifei;XU Jiaxiang;WANG Jing;FAN Xiaohui;ZHU Minzhe(Suzhou Power Supply Company,Suzhou 215000)

机构地区：[1]国网江苏省电力有限公司苏州供电分公司,江苏苏州215000

出　　处：《电力安全技术》2021年第11期67-69,共3页Electric Safety Technology

摘　　要：通过红外测温技术发现了一起110kV电容式电压互感器电磁单元异常发热的故障,在分析电容式电压互感器结构特点的基础上,结合高压试验、绝缘油色谱分析和解体检查获知了缺陷产生的原因,并提出了处理对策。An abnormal overheat fault of electromagnetic unit was found in a 110kV capacitor voltage transformer by infrared temperature measurement technology.Based on the analysis of the structural characteristics of such capacitor voltage transformers,the causes of such defects are found with the combination of high voltage test,insulation oil chromatographic analysis and disassembly inspection,and the corresponding countermeasures are proposed.

关 键 词：电容式电压互感器 电磁单元 色谱分析 异常发热故障 

分 类 号：TM451.2[电气工程—电器]