浅析一起由于套管末屏绝缘状态不良引起的变压器放电事故  

Analysis of A Transformer Discharge Accident Caused By Poor Insulation State of Test Terminal of Bushing

作　　者：李红军 卢宁 LI Hong-jun;LU Ning(Tianwei Baobian(Qinhuangdao)Transformer Co.,Ltd,Qinhuangdao 066206,China)

机构地区：[1]天威保变(秦皇岛)变压器有限公司,河北秦皇岛066206

出　　处：《变压器》2020年第12期79-82,共4页Transformer

摘　　要：本文中作者通过一起变压器局放试验时放电事故的分析过程,得出了变压器高压套管末屏绝缘状态不良是引发放电的主要原因的结论,并给出了此类问题的分析方法、判断依据和解决办法。In this paper, the analysis process of a discharge accident in partial discharge test of transformer is introduced. It is concluded that the poor insulation state of the test terminal of the high voltage bushing of the transformer is the main cause of the discharge. The analysis method, judgment basis and solution of this kind of problems are given.

关 键 词：变压器 局部放电 套管 

分 类 号：TM406[电气工程—电器]