An effortless hybrid method to solve economic load dispatch problem in power systems

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dc.contributor.authorPourakbari-Kasmaei, M. [UNESP]
dc.contributor.authorRashidi-Nejad, M.
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionShahid Bahonar Univ Kerman
dc.date.accessioned2014-05-20T13:29:11Z
dc.date.available2014-05-20T13:29:11Z
dc.date.issued2011-08-01
dc.description.abstractThis paper proposes a new approach and coding scheme for solving economic dispatch problems (ED) in power systems through an effortless hybrid method (EHM). This novel coding scheme can effectively prevent futile searching and also prevents obtaining infeasible solutions through the application of stochastic search methods, consequently dramatically improves search efficiency and solution quality. The dominant constraint of an economic dispatch problem is power balance. The operational constraints, such as generation limitations, ramp rate limits, prohibited operating zones (POZ), network loss are considered for practical operation. Firstly, in the EHM procedure, the output of generator is obtained with a lambda iteration method and without considering POZ and later in a genetic based algorithm this constraint is satisfied. To demonstrate its efficiency, feasibility and fastness, the EHM algorithm was applied to solve constrained ED problems of power systems with 6 and 15 units. The simulation results obtained from the EHM were compared to those achieved from previous literature in terms of solution quality and computational efficiency. Results reveal that the superiority of this method in both aspects of financial and CPU time. (C) 2011 Elsevier Ltd. All rights reserved.en
dc.description.affiliationUNESP Univ Estadual Paulista, Fac Ingn Ilha Solteira, Dept Engn Eletr, BR-15385000 Ilha Solteira, SP, Brazil
dc.description.affiliationShahid Bahonar Univ Kerman, Dept Elect Engn, Kerman, Iran
dc.description.affiliationUnespUNESP Univ Estadual Paulista, Fac Ingn Ilha Solteira, Dept Engn Eletr, BR-15385000 Ilha Solteira, SP, Brazil
dc.format.extent2854-2860
dc.identifierhttp://dx.doi.org/10.1016/j.enconman.2011.02.018
dc.identifier.citationEnergy Conversion and Management. Oxford: Pergamon-Elsevier B.V. Ltd, v. 52, n. 8-9, p. 2854-2860, 2011.
dc.identifier.doi10.1016/j.enconman.2011.02.018
dc.identifier.issn0196-8904
dc.identifier.urihttp://hdl.handle.net/11449/9816
dc.identifier.wosWOS:000292181200009
dc.language.isoeng
dc.publisherPergamon-Elsevier B.V. Ltd
dc.relation.ispartofEnergy Conversion and Management
dc.relation.ispartofjcr6.377
dc.relation.ispartofsjr2,537
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectEconomic dispatchen
dc.subjectProhibited operating zonesen
dc.subjectRamp rate limitsen
dc.subjectNetwork lossen
dc.titleAn effortless hybrid method to solve economic load dispatch problem in power systemsen
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderPergamon-Elsevier B.V. Ltd
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Engenharia, Ilha Solteirapt
unesp.departmentEngenharia Elétrica - FEISpt

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Ilha Solteira - FEIS - Faculdade de Engenharia