变压器出现铁心两点接地故障原因分析

Failure Analysis of the Transformers With Core Grounded Through 2 Points

通过对新荣化肥厂一台大型变压器前后发生两次铁心两点接地故障的原因分析 ,提出了油样色谱分析结合电气试验的方法 ,以方便地判断故障的性质和确定故障部位 ,从而指导检修 。

The paper proposes a method of oil chromatographic analysis and electric experiment through a large transformer with twice core grounding in Xinrong Chemical Fertilizer Mill, the method can decide conveniently the fault nature and fault place,guide maintenance, by which the fault can be removed in a brief time.