Evaluation of Optimization Algorithms to Adjust Efficiency Curves for Hydroelectric Generating Units

dc.creatorHidalgo, IG
dc.creatorFontane, DG
dc.creatorArabi, M
dc.creatorLopes, JEG
dc.creatorAndrade, JGP
dc.creatorRibeiro, LCLJ
dc.date2012
dc.dateDEC
dc.date2014-07-30T17:28:06Z
dc.date2015-11-26T17:40:39Z
dc.date2014-07-30T17:28:06Z
dc.date2015-11-26T17:40:39Z
dc.date.accessioned2018-03-29T00:22:22Z
dc.date.available2018-03-29T00:22:22Z
dc.identifierJournal Of Energy Engineering-asce. Asce-amer Soc Civil Engineers, v. 138, n. 4, n. 172, n. 178, 2012.
dc.identifier0733-9402
dc.identifierWOS:000312674800002
dc.identifier10.1061/(ASCE)EY.1943-7897.0000074
dc.identifierhttp://www.repositorio.unicamp.br/jspui/handle/REPOSIP/65872
dc.identifierhttp://repositorio.unicamp.br/jspui/handle/REPOSIP/65872
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1286788
dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.descriptionThe power generated by a hydroelectric plant depends on the penstock head loss, the turbine efficiency, and the generator efficiency among other factors. Initially, the functions related to these variables are provided by the equipment manufacturer; however, over time they change as the plant ages. This paper presents a methodology to adjust an efficiency function for each generating unit based on measured data. It is applied using two optimization methods: the generalized reduced gradient and the evolutionary algorithm. A case study with data from a large Brazilian hydroelectric plant demonstrates how the methodology can be employed and compares the performance of the optimization tools. A comparison metric is used to show that the optimal unit efficiency function significantly improves the performance of simulation models to reproduce observed data and better describe the actual operation of the hydroelectric plant. DOI: 10.1061/(ASCE)EY.1943-7897.0000074. (C) 2012 American Society of Civil Engineers.
dc.description138
dc.description4
dc.description172
dc.description178
dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.languageen
dc.publisherAsce-amer Soc Civil Engineers
dc.publisherReston
dc.publisherEUA
dc.relationJournal Of Energy Engineering-asce
dc.relationJ. Energy Eng.-ASCE
dc.rightsfechado
dc.sourceWeb of Science
dc.subjectHydroelectric operation
dc.subjectEfficiency curves
dc.subjectGenerating units
dc.subjectOptimization methods
dc.subjectGenetic Algorithms
dc.subjectCommitment
dc.titleEvaluation of Optimization Algorithms to Adjust Efficiency Curves for Hydroelectric Generating Units
dc.typeArtículos de revistas


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