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Fault Tree-Based Reliability Assessment of a 132-kV Transmission Line Protection Scheme

Samuel, I. A. and Awelewa, A. A. and Katende, J. and Odigwe, I. A. (2013) Fault Tree-Based Reliability Assessment of a 132-kV Transmission Line Protection Scheme. American Journal of Engineering Research (AJER), 2 (10). pp. 100-106. ISSN e-ISSN: 2320-0847 p-ISSN : 2320-0936

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Abstract

The reliability of a power system network depends greatly on the performance of the protection system. Improving the reliability of the protection scheme of the transmission lines will enhance the overall reliability of the power system network. The focus of this paper is the improvement of the reliability of a power system transmission line using fault tree analysis (FTA). The paper considers the development of fault tree diagrams for the protection scheme of the 150km-long 132-kV transmission line in Northern Nigeria. The existing protection scheme is analyzed and compared with a proposed scheme equipped with a redundancy arrangement. And the result shows that the new scheme offers significant improvement (about 51%) in the availability of the line.

Item Type: Article
Uncontrolled Keywords: failure rate, fault tree analysis, mean time before failure, power system reliability, component unavailability
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering, Science and Mathematics > School of Electronics and Computer Science
Depositing User: Mrs Patricia Nwokealisi
Date Deposited: 02 Sep 2016 10:36
Last Modified: 02 Sep 2016 10:36
URI: http://eprints.covenantuniversity.edu.ng/id/eprint/7076

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