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Fuzzy logic application for network contingency ranking using composite criteria

Thukaram, D and Jenkins, L and Khincha, HP and Visakha, K and Ravikumar, B (2007) Fuzzy logic application for network contingency ranking using composite criteria. In: Engineering Intelligent Systems, 15 (4). pp. 205-212.

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Official URL: http://www.crlpublishing.co.uk/journal.asp?j=eis&s...


Electric power systems are exposed to various contingencies. Network contingencies often contribute to over-loading of network branches, unsatisfactory voltages and also leading to voltage collapse. To maintain security against voltage collapse, it is desirable to estimate the effect of contingencies on the voltage stability. This paper presents a new approach using fuzzy logic to evaluate the degree of severity of the considered contingency and to eliminate masking effect in the technique. The proposed approach, in addition to real power loadings and bus voltage violations, voltage stability indices at the load buses are also used as the post-contingent quantities to evaluate the network contingency ranking.

Item Type: Journal Article
Publication: Engineering Intelligent Systems
Publisher: CRL Publishing
Additional Information: Copyright of this article belongs to CRL Publishing.
Keywords: Contingency ranking;power system security;voltage stability;fuzzy logic.
Department/Centre: Division of Electrical Sciences > Electrical Engineering
Date Deposited: 16 Jul 2008
Last Modified: 30 Jul 2012 04:58
URI: http://eprints.iisc.ac.in/id/eprint/14953

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