张希鹏;邰能灵;郑晓冬;黄文焘;

• 1:上海交通大学电子信息与电气工程学院

摘要(Abstract)：

根据基于电磁时间反转(electromagnetic time reversal,EMTR)的线路故障测距理论部分,可得到3种不同的故障测距方法,分别为时域电流法、频域前行电流法和频域前行电流补偿法。时域电流法仅利用线路两侧的故障电流分解量,在时域中求无损镜像线路中的假设故障电流有效值最大处;频域前行电流法利用单一参数线路两侧的频域暂态前行电流的共轭量,在有损镜像线路中求得假设故障电流有效值最小处;频域前行电流补偿法利用线路两侧频域暂态前行电流的共轭量,在无损镜像线路中求得假设故障电流有效值最大处,再利用故障距离偏差数据库对故障距离进行补偿。建立了双端交流输电系统(包括单一参数线路和混合参数线路),对3种方法进行了大量仿真验证。

关键词(KeyWords)： 电磁时间反转;镜像线路;时域电流法;频域前行电流法;频域前行电流补偿法

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51407115);; 国家重点研发计划(2016YFB0900601,2017YFB0903201)~~

作者(Author): 张希鹏;邰能灵;郑晓冬;黄文焘;

Email:

DOI: 10.13335/j.1000-3673.pst.2018.2936

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