摘　要：在小电流接地系统单相接地故障特征分析的基础上,结合小波变换和模糊神经网络的特点,提出了适合配网故障后暂态信号分析的小波模糊神经网络模型及算法,应用于小电流接地系统的故障测距.理论分析及大量仿真结果显示此方法是可行的,且具有较好的故障测距性能.
关键词：故障测距;小波模糊神经网络;配电网
分类号：TM771 　文献标识码：A
文章编号：1004-9649(2008)02-0026-04

Study on fault location for distribution lines based on wavelet fuzzy neural network

GONG Lin-chun　 HUANG Zhi-xiong　

作者简介：龚林春(1983-),男,江西南昌人,硕士研究生,从事电力电子与电力传动研究.E-mail:forestpring@yahoo.com.cn
作者单位：龚林春（中南大学,信息科学与工程学院,湖南,长沙,410075）　
　　　　　 黄挚雄（中南大学,信息科学与工程学院,湖南,长沙,410075）　

参考文献：

[1]STDINER J P,WEEKS W L,NG H W.An automated fault locating system[J].IEEE Transactions on Power Delivery,1992,7 (2),967-978.
[2]ZHANG Qing-chao,ZHANG Yao,SONG Wen-nan.Transmission line fault location for single-phase-to-earth fault on non-direct-ground neutral system[J].IEEE Transactions on Power Delivery,1998,13(4):1086-1092.
[3]KWON G B,SUH H S,Yoon S M,et al.The protective relaying scheme of power transformer using wavelet based neural network[J].Transactions.KIEE,2002,51A (3):134-142.
[4]郜洪亮,杨学昌.一种配电线路单相接地故障测距算法[J].清华大学学报:自然科学版,1999,39(9):33-36.GAO Hong-liang,YANG Xue-chang.Location algorithm for line-to-ground fault on power distribution lines[J].Journal of Tsinghua University:Science and Technology,1999,39 (9):33-36.
[5]FAN Chun-ju,LI K K,CHAN W L,et al.Application of wavelet fuzzy neural network in locating single line to ground fault (SLG) in distribution lines[J].Electrical Power and Energy Systems,2007,29(6):497-503.