A new wavelet-based method for detection of high impedance faults

Abstract

Detecting high impedance faults is one of the challenging issues for electrical engineers. Over-current relays can only detect some of the high impedance faults. Distance relays are unable to detect faults with impedance over 100 Omega. In this paper, by using an accurate model for high impedance faults, a new wavelet-based method is presented. The proposed… (More)

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