一起220kV变压器近区短路冲击事故的分析  

Diagnosis and Treatment of a Short Circuit Impact in Near Area of 220kV Transformer

作　　者：刘威峰 周秀 马云龙 李秀广 何宁辉 张庆平 LIU Wei-feng;ZHOU Xiu;MA Yun-long;LI Xiu-guang;HE Ning-hui;ZHANG Qing-ping(Electric Power Research Institute of State Grid Ningxia Electric Power Co.,Ltd.,Yinchuan 750000,China)

机构地区：[1]国网宁夏电力有限公司电力科学研究院,宁夏银川750000

出　　处：《变压器》2020年第9期67-71,共5页Transformer

摘　　要：本文作者分析了某台220kV电力变压器突发的近区短路故障,分析了故障录波、保护动作情况,进行了相关试验,找出了事故原因,并提出了针对此类事故的防范措施。The sudden short circuit fault in the near area of a 220 kV power transformer are analyzed by the authors in this paper. The tests are analyzed. The cause of the accident is finds out. The preventive measures for such accidents are presented.

关 键 词：电力变压器 短路故障 绕组 

分 类 号：TM406[电气工程—电器]