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

by Working at The Institute of Doctors Engineers and Scientists - IDES on Jun 16, 2012

  • 850 views

This paper presents a wavelet based technique for...

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