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1、AbstractMirogrid,whichincludesdestributedenergyresources,loadandunitygrid,improveutilizationrarioandflexibilityofintermittentrenewableenergysourcessuchassolar,wind.However,microgridrunningoperationisdangeroustothesafeofthepowergrid,sointroducingenergystoragetechnolo
2、gycansmooththepowerfluctuationofintermittentsources.Amongmanytypesofenergystoragesystems,vanadiumredoxfowbattery(VRB)hasreceivedmuchattentionforitsadvantagesoflonglifetimeandhighnergyefficency,VRBhasalotofapplicationsonmegawattwindfarm.Withtheencouragementoffamilydi
3、stributedgenerationunitsnow,smallandmedium-sizepowercontrolsystemwillbecomeinceasinglyimpootant.Thisthesisaroundvanadiumbatteryenergystoragesystem,combinedwithgridfriendlycontrolstrategy,researchongrid-conncetedmicrogridsystem.Thisresearchhasgreatpracticalsignifican
4、cetomediumandsmallmicro-gridsystem.Themainachievementsareasfollows:1.Theexstingenergystoragetechnologiesandmostpopularmirogridcontrolstrategiesareanalyzed,analysisvanadiumbatterysuperiority,proposedintroductiongridfriendlycontrolstrategyingrid-connectedmicrogridwith
5、vanadiumbatteryenerystorege,theintermittentenergysourcesmaximunpoweroutput,activeandinactivecontroltosingle-phasevanadiumbatteryenergystoragesystem,simulationmethodtooptimalallocationofenergystoragesystemcapacityforsmoothingmicrogridandexternalpowergridfluctions.2.A
6、tthepresentstage,researchesaboutvanadiumbatterystoragemostlystayintheorystage,lackofexperimentanalysis.Inthiscontext,thereisa10KWmicrogridsystemengneerwithvanadiumbatterystorage,andthecontrolstrategyproposedinthiscontextistestedfeasible,whichsovestheactiveandreactiv
7、epowercontrolinsmallandmedium-sizemicrogridsystem,andisthefundationforpopularizeandapplicationofsmallandmedium-sizemicrogridsystem.Keywords:vanadiumbattery;storagesystem;grid-conncetedmicrogridsystem;gridfriendlycontrol;powercontrolII万方数据目录摘要........................
8、................................................................................................................IABSTRACT.................
