干式接地变压器短路事故分析  

Fault Analysis of Dry Grounding Transformer

作　　者：丁寿江 赵雪松 DING Shou-jiang;ZHAO Xue-song(CSIC Xian Dongyi New Energy Co., Ltd., Xian 710065, China;State Grid Jilin Electric Power Co., Ltd., Changchun 130022, China)

机构地区：[1]中船重工西安东仪新能源有限责任公司,陕西西安710065 [2]国网吉林省电力有限公司,吉林长春130022

出　　处：《变压器》2019年第8期83-86,共4页Transformer

摘　　要：本文中作者介绍了一台干式接地变压器短路事故,经过电气试验确定了故障部位,通过产品的质量记录,发现该产品出现过同样问题,进而扩大数据提取范围,最终确定该产品发生故障的根本原因。The dry-type grounding transformer short-circuit accident is introduced by the authors in this paper. Based on the electrical test, the fault location is determined.Through the quality record of the product, it is found that the product has experienced the same problem, thereby expanding the data extraction range. The reason of the fault is presented.

关 键 词：短路 绕组 电压畸变 绝缘老化 

分 类 号：TM407[电气工程—电器]