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1、萬方數(shù)據(jù)ABSTRACTMicrogridisakindofenergyutilizationmodefittedtotheincreasepenetrationrateotrenewableenergyanddistributedenergyresources.Sincesomerenewableenergy1sintenllittentandrandom,installingtheenergystoragesorbackupgenerators,alldimpIementingtheloadsheddingaretheessentialmeasure
2、stomaintainthemicrogrldworkmgstability.IncontrasttotheresearchontheDGandenergystorages,theresearchontheIoadsheddingisaweaknessduetotheuniquecharacteristicsofmicrogridandthelackofthecooperativecontrolswiththegeneratorsandstorages.Andtheeconomicissuessuchasthehighinitialinvestments
3、leadedbylarge—scaleapplicationsoftheenergystoragesystemprimarilyobstructsthedevelopmentofmicro-grid.Inthisproposal,Thispaperfocusesonthecontrollableload(CL),thehybridenergystoragesystem(HESS)andtheirintegratedcontroltodrawoneachother'sstrength.Thecontentofthispapercanbelistedasfo
4、llows:f1ThedoublelayermodelsofHESSandCLareestablished.InHESSmodel,theworkingprincipleandcircuittopologyofsupercapacitorandbatterystorageISIntroduced·ThenthemathematicalmodelandcontrolstrategiesofPCSandisestablished;InCLmodel,the10adcharacteristicsofthelightingandairconditioningis
5、analyzed-Andtoprovidethemodelingparametersandgroundswhileinloadcontrol,thedynamiccontrollableloaddatabaseisestablished.Atthesametime,theelectricalcharacteristicsofHESSandCLissimulatedandanalyzedbyusingPSCAD/EMTDCsoftware·(2)Inthispaper,aflexiblecontrolstrategybasedontheintegratio
6、nofthecontr0Hableloads(CLlandhybridenergystoragesystem(HESS)inmicrogridispresented,whichintroducesthestructureandthecontrolflowofthedesignedhybridloadandstoragesystem(HLSS).TheinternalpoweroptimalallocationmodelbasedontheanalysisotthecharacteristicofHESSandCL.Consideringthemicrog
7、ridpowerbalance,userexpenenceandeconomicopermion,themulti.objectiveoptimizmionmodelwhichsolvedbythetwo.phaseiterativealgorithmbasedondualsimplexmethodisestablished·TheresultofthesimulinkshowsthatthecharacteristicsofenergystorageandCLiswellutilizedtocompensatethenonlinearpowerchar
8、acteristicsofCLwithHESSandsolvethehighco