110kV变压器铁芯接地故障分析及实例研究

Analysis and Research of the Grounding Fault in the Iron Core of 110 kV Oil-type Transformer

铁芯多位置接地是变压器常见的故障之一,文章对故障特征和分析方法进行了阐述,并使用常见的几种故障问题分析法对数据进行了比较,最后根据分析结果处理了实例中的故障问题,指出了故障产生原因及应作的预防措施。

The grounding is one of the common faults in the iron core of l lOkV oil-type transformer. This article ex- plains the characteristics and analysis method of the fault,and compares some analysis data of common faults. Final- ly, according to the results of the analysis processing of the fault,points out the fault causes and the preventive meas- ures should be made.