一起500kV变压器套管油位异常故障原因分析

文章介绍了一起500kV主变高压套管油位异常故障,详细介绍了故障基本情况、故障原因、解决方案,为变压器套管的油位异常处理提供了参考。并根据本次套管油位异常故障情况,提出了一种辅助监测套管油位的方法,即红外热像检测法,为变压器套管的日常运行与维护提供了指导。

This paper introduces a case of abnormal oil level fault of 500kV main transformer high pressure bushing,introduces the basic situation,cause and solution of the failure in detail,and provides reference for the treatment of abnormal oil level of transformer bushing.According to the casing oil level abnormal fault,the infrared thermal imaging test,a method of auxiliary monitoring casing oil level,is presented,which provides guidance for the daily operation and maintenance of transformer bushing.