郑州500kV变电站SVC七次谐波滤波器线圈过热的在线故障诊断

An On-line Overheat Fault Diagnosis of the Filter Coil for 7th Harmonic in Zhengzhou 500kV Substation

本文主要介绍了滤波器的在线过热故障诊断方法及其在郑州５００ｋＶ变电站静补（ＳＶＣ）７次谐波滤波器故障诊断中的应用。

In this paper a method of on-line overheat fault diagnosis for filter is introduced.when overheat in the 7thharmonic filter coil for SVC in Zhengzhou 500kV substation occurs,using this method the cause of the fault can beaccurately found and the result of fault diagnosis is satisfied.