一例500kV变压器局部放电超标问题的分析与处理

Analysis and Treatment of Excessive Partial Discharge Problem in A 500kV Transformer

针对某500k V单相变压器大修试验过程中发现的局部放电数值超标问题,结合电气、油色谱等多类型试验结果进行了综合判断,准确地判断故障位置并进行了分析处理。

The excessive partial discharge fault of a 500 kV single-phase transformer during overheal is introduced. The fault is synthetic judged located and treated with electrical and chemical test results.