4TV接线电压互感器的电压异常分析及对策

Abnormal Voltage Analysis of 4TV Voltage Transformer in Ungrounded System and Its countermeasures

对以往发生的4TV接线电压互感器异常电压现象进行总结和分析,并通过数据计算方式进行了论证,找出异常发生的原因,并提出了有针对性的防范建议。

This paper summarizes and analyzes the previous occurences of abnormal voltage of 4TV voltage transformer. Based on data calculation, the causes are found out and verifiedat, and the preventive countermeasures are suggested accordingly.