220kV电容式电压互感器间歇性放电故障分析  

Analysis on Intermittent Discharge of 220 kV Capacitive Voltage Transformer

作　　者：钱心怡 QIAN Xinyi(Wuxi Power Supply Company,Wuxi 214000)

机构地区：[1]国网江苏省电力有限公司无锡供电分公司,江苏无锡214000

出　　处：《电力安全技术》2024年第7期74-78,共5页Electric Safety Technology

摘　　要：针对某变电站日常巡视中发现的220 kV电容式电压互感器间歇性放电现象,通过绝缘试验、油样检测和解体检查等方法对故障原因进行分析,并结合生产实际提出相应的改进措施,为电容式电压互感器的日常运维提供参考。In allusion to the intermittent discharge of 220 kV capacitive voltage transformer found in daily inspection of a substation,analyses are conducted on the malfunction causes by insulation test,oil sample inspection and disassembled checks,etc.,and the corresponding improvement measures are proposed combined with the production practice,which is available to guide the daily operation of such capacitive voltage transformers.

关 键 词：电容式电压互感器 间歇性放电 电磁单元 绝缘击穿 

分 类 号：TM451.2[电气工程—电器]