220kV电容式电压互感器二次电压单相异常试验分析

Analysis of Secondary Voltage Abnormal Test of 220kV Capacitor Voltage Transformer

本文中作者介绍了一起220kV电容式电压互感器二次电压异常升高的情况,通过分析电容式电压互感器内部结构,确定了引起该现象的原因,并通过试验对判断结果进行了验证,提出了预防措施。

The abnormal increase in the secondary voltage of a 220 kV capacitive voltage transformer is introduced by the authors in this paper.By analyzing the internal structure of the capacitive voltage transformer,the cause of the phenomenon is determined,and the judgment results are verified by experiments,and preventive measures are proposed.