Wavelet-based and database approach for locating faulty section of high impedance fault in a distribution system

Syukri, M. and Bakar, A.A.H.A. and Mokhlis, Hazlie and Arof, Hamzah and Illias, H.A. (2013) Wavelet-based and database approach for locating faulty section of high impedance fault in a distribution system. Przegląd Elektrotechniczny, 89. pp. 211-218. ISSN 0033-2097

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Abstract

Locating a faulty section of the high impedance fault (HIF) in a power system network is a major challenge especially for a distribution network. This is due to the effect of the complexity of the distribution network such as branches, non-homogenous lines and high fault impedance that results in variation of fault locations. In this paper, analysis of fault locations using Discrete Wavelet Transform-based Multi-Resolution Analysis (MRA) has been proposed. A three-phase voltage signal measured at the main substation is analyzed to locate the high impedance fault. The 1st, 2nd and 3rd levels of detailed coefficient resolution for each phase were used for the classification of fault locations using the proposed method. The simulation was conducted on a 38-node distribution network system in a national grid in Malaysia using PSCAD software. The proposed method has successfully determined the actual fault location of a high impedance fault.

Item Type: Article
Uncontrolled Keywords: Discrete Wavelet Transform-based MRA, Faulty section, High Impedance Fault.
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Depositing User: Mr Jenal S
Date Deposited: 15 Jul 2013 00:40
Last Modified: 11 Oct 2018 04:00
URI: http://eprints.um.edu.my/id/eprint/7791

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