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1、重庆大学硕士学位论文英文摘要ABSTRACTAstheglobalenergyandenvironmentalproblemshavebecomeincreasinglyprominent,exploitationandutilizationofrenewableresourcehavebeenconcernedofmoreandmorecountriesintheworld.However,renewableenergysuchaswindenergy,solarenergyhasthecharacteri
2、sticofrandomnessandintermittence,anditsoutputisnotcontrollable,massiveaccesseasilycausegreaterdisturbanceonthegrid.Asasingleandcontrollableunit,microgridisconvenientforaccessandadministrationofDG.Microgridprovidesaneffectivewayfortheutilizationofrenewableen
3、ergywithitsflexible,intelligentcontroloffeatures.Capacityoptimizationofmicrogridistheimportantworkoftheplanninganddesignphase,andisimportantforimprovingpowersystemreliabilityandeconomicaloperation.Microgridoptimaleconomicoperationanalysisistheguaranteeofmic
4、rogridsecurity,reliability,economyoperation.Thepaperissubsidizedbythetechnologyproject"intermittentrenewableenergyislandspowernetworkoperationtechnologyandengineeringdemonstration"ofthestategridcorporationofChinaonmicrogridcapacityoptimization,economicopera
5、tionandelectricitypriceoptimization.Theoptimalcapacitycombinationmodelofaisolatedmicrogridisestablished,whichconsiderspollutionemissions,punishmentofrenewableenergywaste,theeffectofchargeanddischargeprocessoflead-acidbatterytoitslifetimeandreliability.Thisp
6、aperestablishesisolatedmicrogridmulti-targetcapacityoptimizationconfigurationmodel,andtheadaptivegeneticalgorithmisproposedtosolvetheproblemthenanalysiseseffectofthepunishmentofwindenergywasteandthereliabilitytocapacitycombinationofmicrogrid.Exampleanalysis
7、resultsshowthatpunishmentofwindenergywasteandreliabilityhavegreateffecttocapacitycombinationofmicrogrid.Thepunishmentofwindenergywasteshouldbeconsideredinthenetworkplanning,andthedifferentinvestmentschemesshouldbeselectedaccordingthedifferentuserreliability
8、requirements.Inthepaper,theeffectofchargeanddischargeprocessoflead-acidbatterytoitslifetimeisstudiedbyeconomiccostanalysis.Then,inordertodealwiththeeffectofintermittentsourcestothespinningreserve,proba