配电网单相接地故障定位综述

对国内外配电线路的故障定位方法和技术进行了归纳总结。分析了阻抗法、行波法、信号注入法、矩阵法、神经网络、遗传算法、蚁群算法、Petri网和粗糙集等的原理,分析了这些故障定位方法在配电网故障定位中的应用。另外还对专家系统、粒子群算法、仿电磁学算法等进行了介绍,对其特点进行了分析。然后在此基础上阐述了当前配电网故障定位存在的问题,最后结合配电网的发展趋势及用户对供电可靠性的要求,探讨了未来配电网故障定位技术的研究方向和发展前景。

A Review of Single-phase Grounding Fault Location in Distribution Network

This paper analyzes the principles of impedance method, traveling wave method, signal injection method, matrix method, neural networks, genetic algorithms, ant eolony optimization, petri nets and rough sets, etc, and introduces their applicatiolls in distribution network fauh location. Meanwhile, this paper expounds expert systems, particle swam1 algorithms and electromagnetismlike mechanism, and also analyzes their eharacteristies. Based on which, the paper discusses the existing problems iu lhe distribution network fauh location, its filtnre research direction and prospect combining with the development trends of the distrilmtion network and user demand for power supply reliability.