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文章摘要
基于泄漏电流的高压电缆线路故障测距方法
High voltage cable fault location method based on leakage current
Received:October 11, 2018  Revised:October 11, 2018
DOI：10.19753/j.issn1001-1390.2020.05.019
中文关键词: 高压电缆  故障测距  泄漏电流  短路故障
英文关键词: 
基金项目:
Author NameAffiliationE-mail
Yang Bin State Grid Hubei Electric Power Company, State Grid Corporation of China l84916067@qq.com 
Li Ming-zhen* School of Electrical Engineering,Wuhan University 787397842@qq.com 
Zhou Cheng-ke School of Electrical Engineering, Wuhan University C.Zhou@gcu.ac.uk 
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中文摘要:
      为实现高压电缆线路短路故障发生后准确故障定位，提出一种利用故障通道泄漏电流的离线故障测距方法。该方法在短路故障发生后于电缆终端加直流电压，泄漏电流主要通过故障击穿通道沿金属护层流入两端接地点，在线路两端接地点检测护层电压，通过单位长度金属护层阻抗与泄漏电流和护层电压的关系，可计算出故障点位置。仿真结果表明，该方法能够有效的定位故障点位置，其相对误差不超过8 %，绝对误差不超过50 米。
英文摘要:
      
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