配电网故障定位技术综述

A survey of fault location methods in distribution network

对国内外配电线路的故障定位方法进行了归纳总结。按不同故障类型分别介绍了短路及接地故障下的定位方法,对其中有代表性的方法,重点分析其基本原理、优缺点、后续改进及现场应用情况。分析了目前定位方法中存在的主要问题,并针对这些问题,结合配电网的发展趋势及用户对供电可靠性的要求,对未来配电网故障定位技术的研究进行了初步展望。

Various fault location methods for distribution network at home and abroad are summarized. According to the fault type, the location methods for short circuit fault and earthed fault are introduced. And the basic theories, characteristics, improvement and applications of the representative methods are analyzed. The main problems in the applications of these methods are analyzed. In view of these questions, users＇ requirements and the development of distribution network, the improvement and research about fault location technical are proposed preliminarily.