摘要
介绍了一起220k V变压器损坏事故。分析了故障录波图,进行了油中溶解气体分析、绕组电阻测试、绕组变形、变比测试等试验,对事故发生的原因进行了分析,提出了事故防范措施。
A 220kV transformer fault is introduced. The fault oscillograms is analyzed and the dissolved gas analysis, winding resistance test, winding deformation and ratio test is presented. The reasons of the fault are analyzed. The fault prevention measures are presented.
出处
《变压器》
北大核心
2018年第2期69-73,共5页
Transformer
关键词
变压器
短路
绕组
Transformer
Short circuit
Winding
