电容式电压互感器电压异常故障分析与处理  

The Analysis and Treatment of the Abnormal Voltage Fault for Capacitor Voltage Transformer

作　　者：张东明 张鲁安 周凡 陈玲 张幸彪 李玉红 ZHANG Dongming;ZHANG Lu’an;ZHOU Fan;CHEN Ling;ZHANG Xingbiao;LI Yuhong(Bazhou Power Supply Company of Xinjiang Electric Power Company,Korla 841000;State Grid Xinjiang Electric Power Company,Urumqi 830000)

机构地区：[1]国网新疆电力有限公司巴州供电公司,新疆库尔勒841000 [2]国网新疆电力有限公司,新疆乌鲁木齐830000

出　　处：《电力安全技术》2020年第11期45-47,共3页Electric Safety Technology

摘　　要：针对某变电站110 kV母线侧在运电容式电压互感器监测电压异常现象,从电压互感器的二次回路、电磁单元以及分压电容三个方面对导致电压异常现象的机理进行了分析,最后找出造成电压异常现象的主要原因,并提出对在运的电容式电压互感器运行维护的相关建议。Aiming at the phenomenon of abnormal monitoring voltage of operating capacitor voltage transformer in a 110 kV bus bar side of a substation,this paper analyzes the mechanism of abnormal voltage phenomenon from three aspects of secondary circuit,electromagnetic unit and the voltage dividing capacitance of the capacitor voltage transformer,finally presents the main causes for abnormal voltage,and puts forward corresponding suggestions for operation&maintenance of capacitor voltage transformer.

关 键 词：电容式电压互感器 分压电容 二次回路 电磁单元 

分 类 号：TM451[电气工程—电器]