浅析电压互感器的运行及维护

Talking on Operation and Maintenance of the Voltage Transformer

电压互感器是通过电磁感应原理将较高的一次电压转换为较小的二次电压,用来测量及控制继电保护装置;。电压互感器的正常运行对电网安全运行极为重要。掌握电压互感器原理、接线方式、应急处理等知识,有助于值班运行人员及时发现异常状况,及时消除故障,减少事故损失。本文主要介绍了电压互感器原理,常见问题以及处理办法。

A voltage transformer is used to measure voltage and control relay protection device by converting higher primary voltage into smaller secondary voltage through electromagnetic induction principle.The normal operation of the voltage transformer is very important for the safe operation of the power grid.Master the knowledge of voltage transformer principle, wiring mode, emergency treatment and so on, which is helpful for the operation personnel on duty to find abnormal conditions in time, eliminate faults in time and reduce accident losses.This paper mainly introduces the principle of voltage transformer, common problems and treatment methods.