220kV电容式电压互感器发热故障分析及预防措施  

Fault Analysis and Preventive Measures of 220kV Capacitive Voltage Transformer

作　　者：刘隰蒲 王俊娜 乐佳琪 LIU Xi-pu;WANG Jun-na;LE Jia-qi(Maintenance Company of State Grid Shanghai Electric Power Company,Shanghai 200063,China)

机构地区：[1]国网上海市电力公司检修公司,上海200063

出　　处：《变压器》2021年第9期81-83,共3页Transformer

摘　　要：本文作者介绍了一起220kV电容式电压互感器发热故障的原因分析和解体检查过程。通过介损及电容量、绝缘电阻、直流电阻等诊断性试验与解体检查,发现了发热的原因,并提出了相应的预防措施。The cause analysis and disassembly inspection process of a 220 kV capacitive voltage transformer heating failure is introduced by the authors in this paper.Through diagnostic tests and disassembly inspections such as dielectric loss,capacitance,insulation resistance,DC resistance,etc.,the cause of heat generation is found,and corresponding preventive measures are presented.

关 键 词：电容式电压互感器 发热 解体检查 预防措施 

分 类 号：TM451[电气工程—电器]