Artikel,

A Sensitive Wavelet-Based Algorithm for Fault Detection in Power Distribution Networks

, und .
International Journal on Communication, 2 (1): 5 (März 2011)

Zusammenfassung

This paper presents a wavelet based technique for detection and classification of abnormal conditions that occur on power distribution lines. The transients associated with these conditions contain a large spectrum of frequencies, which are analyzed using wavelet transform approach. The proposed technique depends on a sensitive fault detection parameter (denoted SFD) calculated from wavelet multi-resolution decomposition of the three phase currents. The simulation results of this study clearly indicate that the proposed technique can be successfully used to detect not only faults that could not be detected by conventional relays but also abnormal transients like load switching and inrush currents.

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