400kV换流变网侧主绕组匝间短路案例分析  

Case Analysis of Interturn Short Circuit of Line Winding in 400kV Converter Transformer

作　　者：常伟 CHANG Wei(Grid Maintenance Branch of Electric Power Corporation of Xinjiang,Urumqi 830000,China)

机构地区：[1]国网新疆电力有限公司检修公司,新疆乌鲁木齐830000

出　　处：《变压器》2020年第8期80-84,共5页Transformer

摘　　要：本文中作者对某换流站400k V换流变压器一起事故进行了分析,进行了离线绝缘油色谱检测,分析了放电类型、严重程度、故障源,判断出了故障绕组位置,最后给出了相关运检建议。An accident of a 400 k V converter transformer in a converter station is analyzed by the authors in this paper.Offline insulating oil chromatographic test is presented.The discharge type,severity,and source of the fault are analyzed.The location of the faulty winding is determined.The suggestions of operation and maintenance are presented.

关 键 词：换流变压器 短路 油色谱 故障录波 

分 类 号：TM407[电气工程—电器]