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Solution of Different Types of Economic Load Dispatch Problems Using a Pattern Search Method

Al-Sumait, J.S., Sykulski, J.K. and Al-Othman, A.K. (2008) Solution of Different Types of Economic Load Dispatch Problems Using a Pattern Search Method Electric Power Components and Systems, 36, (3), pp. 250-265.

Record type: Article

Abstract

Direct search (DS) methods are evolutionary algorithms used to solve constrained optimization problems. DS methods do not require information about the gradient of the objective function when searching for an optimum solution. One such method is a pattern search (PS) algorithm. This study presents a new approach based on a constrained PS algorithm to solve various types of power system economic load dispatch (ELD) problems. These problems include economic dispatch with valve point (EDVP) effects, multi-area economic load dispatch (MAED), companied economic-environmental dispatch (CEED), and cubic cost function economic dispatch (QCFED). For illustrative purposes, the proposed PS technique has been applied to each of the above dispatch problems to validate its effectiveness. Furthermore, convergence characteristics and robustness of the proposed method has been assessed and investigated through comparison with results reported in literature. The outcome is very encouraging and suggests that PS methods may be very efficient when solving power system ELD problems.

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More information

Published date: 1 March 2008
Keywords: ELD, DS method, PS method, evolutionary algorithms, optimization
Organisations: EEE

Identifiers

Local EPrints ID: 265276
URI: http://eprints.soton.ac.uk/id/eprint/265276
ISSN: 1532-5008
PURE UUID: f7b9780c-0ee6-419b-871a-dfd879f1f4f0
ORCID for J.K. Sykulski: ORCID iD orcid.org/0000-0001-6392-126X

Catalogue record

Date deposited: 04 Mar 2008 14:33
Last modified: 18 Jul 2017 07:27

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Contributors

Author: J.S. Al-Sumait
Author: J.K. Sykulski ORCID iD
Author: A.K. Al-Othman

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