计及电动汽车和风电出力不确定性的随机经济调度(4)

Plug-inElectricVehiclesandWindGenerators

ZHAOJunhua1,WENFushuan1,XUEYusheng2,DONGZhaoyang3,XINJianbo4

(1.ZhejiangUniversity,Hangzhou310027,China;

2.StateGirdElectricPowerResearchInstitute,Nanjing210003,China;3.HongKongPolytechnicUniversity,HongKong,China;

4.JiangxiElectricPowerResearchInstitute,Nanchang330006,China)

Abstract:Astochasticeconomicdispatchmodel,whichcantakeintoaccounttheuncertainoutputsofplug-inelectricvehicles(PEVs)andwindgenerators,isdeveloped.Asimulationbasedapproachisfirstemployedtostudytheprobabilitydistributionsofthecharge/dischargebehaviorsofPEVs.TheprobabilitydistributionofthewindpoweroutputisnextderivedbasedontheassumptionthatthewindspeedfollowstheRayleighdistribution.Themathematicalexpectationsofthegenerationcostsofwindgeneratorsandvehicletogrid(V2G)powersourcesarethenderivedanalytically.ThefeasibilityandefficiencyofthedevelopedstochasticeconomicdispatchmodelisdemonstratedwiththeIEEE118-bustestsystem.

ThisworkissupportedbytheDoctoralFundofMinistryofEducationofChina(No.200805610020).Keywords:windgenerator;plug-inelectricvehicle;stochasticeconomicdispatch

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