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基于行波检测式电缆故障测距的研究
引用本文:王拓,刘俊涛,王赢.基于行波检测式电缆故障测距的研究[J].电气开关,2007,45(3):20-21,25.
作者姓名:王拓  刘俊涛  王赢
作者单位:1. 河南理工大学电气工程及自动化学院,河南,焦作,454003
2. 辉县市电厂,河南,辉县,453600
3. 喀喇沁旗水利局,内蒙古,赤峰,024400
摘    要:利用小波变换的性质及暂态电压行波与小波变换模极大值的关系,并通过比较波头极性,准确捕捉初始行波与故障点反射波波头到达时刻,确定行波运行时间,完成故障测距.并通过仿真证明了测距的准确性.

关 键 词:小波变换  行波检测  故障测距
文章编号:1004-289X(2007)03-0020-03
修稿时间:2006-09-13

Study on Traveling Cable Fault Location Based on Traveling Wave Analysis
WANG Tuo,LIU Jun-tao,WANG Ying.Study on Traveling Cable Fault Location Based on Traveling Wave Analysis[J].Electric Switchgear,2007,45(3):20-21,25.
Authors:WANG Tuo  LIU Jun-tao  WANG Ying
Affiliation:1. College of Electrical Engineering and Automation,Henan Polytechnic University,Jiaozuo 454003 ,China ; 2. Huixian Power Plant, Huixian 453600, China ; 3. Kalaqinqi Water Conservancy Bureau, Chifeng 024400,China
Abstract:Catching the traveling wave arrivsal time to realize fault location by comparing traveling wave polarity and analyzing the wavelet features and utilizing the relations between the transient voltage traveling and maximum modular value of wavelet transform.. The simulation proves the accuracy of fault location.
Keywords:wavelet transform  traveling wave detector  fault location
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