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A novel transmission line relaying scheme for fault detection and classification using wavelet transform

(in lingua inglese)

This paper presents the wavelet and LDA based fault Detector and Classifier for protection of both single as well as double circuit transmission line against various types of shunt fault e.g. LG, LL, LLG, and LLL. The performance of the proposed scheme is validated considering the effect of CT saturation, variation in power flow angle and different fault parameters such as fault type, fault location, fault resistance and fault inception angle. Inputs given to the LDA based fault detector and classifier are approximate coefficients of three phase currents and zero sequence current.

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Fonte: Articolo Ain Shams Engineering Journal, 2014
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