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Published Article / ENY-ARTICLE-2008-145

Wavelet Transform Approach to High Impedance Fault Detection in MV Networks

Michalik, M (Wroclaw University of Technology, Poland) ; Rebizant, W (Wroclaw University of Technology, Poland) ; Lukowicz, M (Wroclaw University of Technology, Poland) ; Lee, S J (Next Generation Power Technology Center, Myongji University, Yongin, Korea) ; Kang, S H (Next Generation Power Technology Center, Myongji University, Yongin, Korea)


Abstract: Application of wavelet transform technique to high impedance arcing fault detection in distribution networks is presented. Phase displacement between discrete wavelet coefficients calculated for zero sequence voltage and current signals at natural network frequency is tracked. The developed wavelet based HIF detector has been tested with EMTP-ATP generated signals, proving better performance than traditionally used algorithms and methods. The protection method proposed is efficient, robust and may be used for HIF detection independently of the network neutral point grounding mode.

Keyword(s): protective relaying ; wavelet transform ; distribution networks ; high impedance arcing faults ; transient analysis
Note: Proceedings of the 2005 IEEE PowerTech Conference, St. Petersburg, Russia, 27-30 June 2005, CD-ROM, paper 73

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Record created 2008-05-02, last modified 2008-05-04

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