330kV电容式电压互感器分压电容击穿故障原因分析及预控措施  

Cause Analysis and Precontrol Measures for Breakdown of Voltage Divider Capacitor of 330kV Capacitive Voltage Transformer

作　　者：席佳伟 侯玉国 豆河伟 XI Jia-wei;HOU Yu-guo;DOU He-wei(Stade Grid Yulin Electric Power Company,Yulin 719000,China)

机构地区：[1]国网陕西省电力公司榆林供电公司,陕西榆林719000

出　　处：《变压器》2020年第2期79-81,共3页Transformer

摘　　要：本文中作者介绍了一例330kV电压互感器电容击穿的典型案例,描述了诊断试验情况,确定了电压互感器密封垫破损是设备异常的主要原因,最后从日常运维和检测等方面提出了预防措施。A typical case of 330 kV voltage transformer capacitive breakdown is introduced by the authors in this paper. The diagnostic test situation is described. The damage of the voltage transformer gasket is the main cause of equipment anomaly. Precautionary measures are proposed based on daily operation and maintenance and testing.

关 键 词：电压互感器 击穿 电容 

分 类 号：TM451[电气工程—电器]