一起35kV变压器内部绝缘故障的原因分析与修复

Analysis and Repair of a 35kV Transformer Internal Insulation Fault

本文中作者通过变压器的电气试验、油色谱分析和油化验分析,并结合吊芯检查,分析了一起35kV油浸式变压器的内部相间短路故障,阐明了故障发生机理,并介绍了修复方案。

In this article,based on the electrical test,oil chromatographic analysis and oil test analysis of the transformer,and combined with the hanging core inspection,the author analyzes a 35 kV oil-immersed transformer’s internal phase-to-phase short-circuit fault.Clarify the failure mechanism and introduce the repair plan.