500 kV电容式电压互感器内部故障分析及应对措施  

Analysis and Countermeasures of an Internal Fault Encountered by an Actual 500 kV Capacitive Voltage Transformer

作　　者：栗家润 靳迎 李惠 LI Jiarun;JIN Ying;LI Hui(State Grid Hebei Electric Power Co.,Ltd.,EHV Branch Company,Shijiazhuang 050070,China;State Grid Shijiazhuang Electric Power Supply Company,Shijiazhuang 050000,China;Hebei Complete Tendering Co.,Ltd.,Shijiazhuang 050051,China)

机构地区：[1]国网河北省电力有限公司超高压分公司,河北石家庄050070 [2]国网石家庄供电公司,河北石家庄050000 [3]河北省成套招标有限公司,河北石家庄050051

出　　处：《电工技术》2024年第16期160-162,167,共4页Electric Engineering

摘　　要：电压互感器是电力系统中常见的测量设备,其作用是将高电压信号转换为低电压信号,以供测量、保护和控制设备使用。以一起500 kV电容式电压互感器内部故障为例,分析电容式电压互感器内部故障产生原因,并提出了预防电压互感器缺陷的应对措施。Voltage transformers are common equipment in power systems,and their role is to convert high-voltage signals into low-voltage signals for measurement,protection,and control.This paper entails a case analysis of an internal fault encountered by an actual 500 kV capacitive voltage transformer,and the countermeasures proposed for preventing capacitive voltage transformer internal faults.

关 键 词：电容式 电压互感器 故障 维护 

分 类 号：TM451[电气工程—电器]