Locating fault using voltage sags profile for underground distribution system

Mokhlis, Hazlie and Li, H.Y. and Bakar, A.H.A. and Mohamad, H. (2010) Locating fault using voltage sags profile for underground distribution system. In: Power System Technology (POWERCON), 2010 International Conference on, 2010.

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Abstract

This paper presents an alternative fault location algorithm to estimate short-circuit faults location in electrical distribution networks using only voltage sags data. The proposed algorithm uses voltage sags profile as a means to locate fault. The possible fault locations is estimated by incorporating the measured voltage sags magnitude and its corresponding phase angle into an equation of voltage sag as a function of fault distance. A ranking procedure is also introduced to rank possible fault locations due the same electrical distance. The uncertainty of fault resistance is also considered in this algorithm. The performance of the technique is presented by testing it using an actual underground distribution network. The simulation results indicated a possibility of practical implementation.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Fault location; Distribution networks; Voltage magnitude; Phase shift
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: 09 Jul 2013 04:45
Last Modified: 15 Oct 2018 05:53
URI: http://eprints.um.edu.my/id/eprint/7907

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