摘要
提出了一种双端行波故障测距新方法,该方法利用故障初始行波和两种反射行波到达线路两端的时刻来进行故障定位,有效降低了行波波速的不确定和输电线路长度差异对定位结果的不利影响,提高了定位精度.利用EMTP进行了仿真计算,仿真结果证明了其准确性.
A new double terminal method of travelling wave fault location is presented in this paper, which can effectively lower the influence of travelling wave speed and transmission line arc. The arriving intervals of the travelling wave from the fault location, reflected wave from fault location and reflected wave from opposite bus are recorded, then these intervals and location are used by the new method and the fault location is obtained by avoiding the wave speed and transmission line arc influences. The results of EMTP simulation show that this method is available and accurate.
出处
《长沙理工大学学报（自然科学版）》
CAS
2006年第4期68-71,共4页
Journal of Changsha University of Science and Technology:Natural Science
基金
国家自然科学基金资助项目(50207001
50577001)
教育部新世纪优秀人才计划基金资助项目(NECT-04-0781)
霍英东教育基金会青年教师基金资助项目(101058)
关键词
行波
故障定位
小波变换
电磁暂态程序
travelling wave
fault location
wavelet transformation
EMTP
作者简介
李泽文（1975-），男，湖南石门人，长沙理工大学讲师，博士研究生，主要从事电力系统继电保护的研究.
