Morphological undecimated wavelet decomposition for fault location on power transmission lines

被引：57

作者：

Zhang, J. F. ^{[1
]}

Smith, J. S. ^{[1
]}

Wu, Q. H. ^{[1
]}

机构：

[1] Univ Liverpool, Dept Elect Engn & Elect, Liverpool L69 3GJ, Merseyside, England

来源：

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS | 2006年 / 53卷 / 06期

关键词：

fault location; morphological undecimated wavelet (MUDW) decomposition; power transmission lines;

D O I：

10.1109/TCSI.2006.875172

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 [电气工程]; 0809 [电子科学与技术];

摘要：

This paper presents a novel morphological undecimated wavelet (MUDW) decomposition scheme for fault location on power transmission lines. The MUDW scheme is developed based on the morphological wavelet (MW) theory for both the extraction of transient features and noise reduction in signal processing. The analysis operators and the synthesis operator of MUDW strictly satisfy the pyramid condition. In this paper, the MUDW scheme is used to extract features from noise imposed fault-generated transient voltage and/or current signals of power transmission lines. The efficiency of the MUDW scheme used for noise reduction and the extraction of sudden changes in the transient signals are evaluated in simulation studies. The simulation results show that the fault location can be accurately detected in noisy environments.

引用

页码：1395 / 1402

页数：8

共 12 条

[1]

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[2]

DISTANCE PROTECTION BASED ON TRAVELING WAVES [J].