多目标优化最优潮流-电力系统

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1、ElectricPowerSystemsResearch80(2010)878–885ContentslistsavailableatScienceDirectElectricPowerSystemsResearchjournalhomepage:www.elsevier.com/locate/epsrOptimalpowerflowusingdifferentialevolutionalgorithmA.A.AbouElElaa,M.A.Abidob,S.R.Speaa,∗aElectricalEngineeringDe

2、partment,FacultyofEngineering,MenoufiyaUniversity,EgyptbElectricalEngineeringDepartment,KingFahdUniversityofPetroleumandMinerals,SaudiArabiaarticleinfoabstractArticlehistory:Thispaperpresentsanevolutionary-basedapproachtosolvetheoptimalpowerflow(OPF)problem.Receive

3、d9July2008Theproposedapproachemploysdifferentialevolution(DE)algorithmforoptimalsettingsofOPFcontrolReceivedinrevisedform12October2009variables.TheproposedapproachisexaminedandtestedonthestandardIEEE30-bustestsystemwithAccepted30December2009differentobjectivefunc

4、tionsthatreflectfuelcostminimization,voltageprofileimprovement,andvoltageAvailableonline27January2010stabilityenhancement.Inaddition,non-smoothpiecewisequadraticcostfunctionhasbeenconsidered.Thesimulationresultsoftheproposedapproacharecomparedtothosereportedintheli

5、terature.TheKeywords:resultsdemonstratethepotentialoftheproposedapproachandshowitseffectivenessandrobustnessOptimalpowerflowtosolvetheOPFproblemforthesystemsconsidered.DifferentialevolutionalgorithmFuelcostminimization©2010ElsevierB.V.Allrightsreserved.Voltageprofi

6、leimprovementVoltagestabilityenhancement1.IntroductiontheOPFproblemisanoptimizationproblemwithingeneralnon-convex,non-smooth,andnon-differentiableobjectivefunctions.Inthepasttwodecades,theproblemofoptimalpowerflowItbecomesessentialtodevelopoptimizationtechniquesth

7、atare(OPF)hasreceivedmuchattention.Itisofcurrentinterestofefficienttoovercomethesedrawbacksandhandlesuchdifficulties.manyutilitiesandithasbeenmarkedasoneofthemostopera-Recently,evolutionaryoptimizationtechniqueshavebeenusedtionalneeds.TheOPFproblemsolutionaimstoopt

8、imizeaselectedtosolveOPFproblemtoovercomethelimitationsofclassicalobjectivefunctionviaoptimaladjustmentsofthepowersystemoptimizationtechniques.Awidevarietyofhe