变电站内压变损坏原因分析及解决方案

Analysis of Potential Transformer Damage and Solution

介绍了电网中常见的过电压及谐振的类型和成因，分析了电压互感器在过电压和铁磁谐振情况下的故障原因及解决方法，利用四压变接线方式解决了常见故障，提高了压变设备的运行稳定性．

The type of over-voltage and resonance is introduced, and the solution to over-voltage and resonance is put forward. In order to solve the problem ,4 potential transformer lining methods are used to increase the stability of equipment.