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1、萬方數(shù)據(jù)華北電力大學(xué)碩士學(xué)位論文AbstractWiththeincreasingseriousenergycrisisandenvironmentalpressure，thedevelopmentandutilizationofrenewableenergyisthedevelopmentaltrendofnewenergystrategy．Micro-gridwhichcombineddispersedanddifferenttypesofdistributedgenerationsiSalleffe
2、ctivewaytogivereintotheeffectivenessofdistributedgenerationsandtosolvetheproblemofgridconnecteddistributedgenerationsystem．However,facingthegradualaccesstothedistributedgenerationsinthegrid，thereasonableallocationoftypeandcapacityfordistributedgenerations
3、hastheimportantsignificanceinensuringthereliabilityofthemicro-grid，reducingitsconstructionandplanningcosts，andimprovingtheenvironmentalfriendlinessofmicro—grid．Forthisreason，basedonthedomesticandforeignrelevanttheoryofcapacityallocationfordistributedgener
4、ations，andcombinedwiththeoperatingcharacteristicsofthemicro—grid，themainWOrksofthisdissertationareasfollows：(1)Forthestructureofstand-alonemicro-grid，thekeyfactorsthatinfluencetypeselectionandcapacityallocationareanalyzed．Theoptimalobjectiveistominimizeth
5、etotalnetpresentcost(NPC)ofthesystem，whichincludescapitalcostandoperatingcost．Inaddition，Homersoftwareisusedtooptimizethetypesandcapacityallocationofthesystem，midthesensitivitiesofinfluencingfactorsaresimulated．Thevalidityoftheanalysisisverified．(2)Forthe
6、stand—alonemicro—grid，theoptimalallocationofdistributedgenerationsiSstudied．Consideringtheeconomy．reliabilityandenvironmentalfriendlinessofthesystem，theeriectsofdifferentoptimalmodelsforoptimalallocationofdistributedgenerationsareanalysed．Theannualminimum
7、costofthesystemiStheoptimalobjective．whichconsidersthedifferentcombinationalmodesofcapitalcost，operatingcost，fuelcost，environmentalcostandreliabilitycost．Differentoptimalmodelsofoptimalallocationareestablished．Basedontheadaptiveweightparticleswarmoptimiza
8、tionalgorithm，theoptimalallocationsofdifferentoptimalmodelsaresimulatedbyusingtheprogrammablefunctionofMatlabsoftware．Thebalanceofpowerdemandisalsoverifiedunderthem．Thevalidityandfeasibilityofthemodelsareverified．(3
