10kV柱上变压器肘型电缆接头故障原因分析  

Fault Cause Analysis of Elbow Cable Joint of 10kV Pole-Type Transformer

作　　者：刘若溪 刘宏亮 王智晖 李文杰 欧阳本红[2] 王玥[3] LIU Ruo-xi;LIU Hong-liang;WANG Zhi-hui;LI Wen-jie;OUYANG Ben-hong;WANG Yue(State Grid Beijing Electric Power Research Institute,Beijing 100075,China;China Electric Power Research Institute,Wuhan 430074,China;North China Electric Power University,Beijing 102206,China)

机构地区：[1]国网北京电力科学研究院,北京100075 [2]中国电力科学研究院,湖北武汉430074 [3]华北电力大学,北京102206

出　　处：《变压器》2022年第7期55-60,共6页Transformer

基　　金：国家电网公司科技项目(5200201917070A0000)。

摘　　要：本文介绍了10kV柱上变压器肘型电缆接头的基本结构,并对近年来北京地区发生的高压肘型电缆接头故障原因进行了分析。通过现场实测与实验室模拟的方法,重点分析了变压器台区接地不规范引发肘型电缆接头故障的原因,最后提出了解决和预防措施。This paper introduces the basic structure of elbow cable joint of 10kV pole-type transformer.The fault causes of elbow cable joint happened in recent years are analyzed.By actual measurement and laboratory simulation,author emphatically analyzes the incorrect grounding of pole-type transformer,which is an important reason for the fault causes.At last,the solutions and preventive measures are put forward.

关 键 词：柱上变压器 肘型电缆接头 故障原因 预防措施 

分 类 号：TM406[电气工程—电器]