干式电容型电流互感器电容屏断裂原因分析及预控措施  

Analysis of the Rupture Cause of Capacitance Screen of Dry Capacitive Current Transformer and Pre-Control Measures

作　　者：张浩 豆河伟 郭宇 ZHANG Hao;DOU Hewei;GUO Yu(Stade Grid Yulin Electric Power Company,Yulin 719000,China)

机构地区：[1]国网陕西省电力有限公司榆林供电公司,陕西榆林719000

出　　处：《通信电源技术》2023年第1期240-242,共3页Telecom Power Technology

摘　　要：介绍了某干式电容型电流互感器电容屏断裂故障案例,通过对设备运行环境调查、外观形变分析、设备解体等手段确定了电容屏断裂故障主要原因,最后提出了运维预防措施,为后期预防类似故障提供了参考借鉴经验,促进了电网的安全稳定运行.This paper introduces a case of capacitive screen fracture fault of a dry capacitive current transformer,determines the main causes of capacitive screen fracture fault by means of equipment operating environment investigation,appearance deformation analysis and equipment disintegration,and finally puts forward preventive measures for operation and maintenance,which provides reference experience for preventing similar faults in the later period and promotes the safe and stable operation of power grid.

关 键 词：电压互感器 故障 跳闸 电容屏 

分 类 号：TM451.2[电气工程—电器]