微电网建模及其控制策略研究

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1、Abstract硕士论文WiththerapiddeVelopmentofeconomy，t11esituationofrelyingsolelyontraditionalpOwergenerationmodesc锄otmeettheeVer-increaLsingelectricitydemalldofpeople．F础mlore，me仃aditiollalpowergenerationmodesarefacingnewcrisis，becauseofmeextremeshortageofnaturalresourcesandseriousdaInag

2、etonaturalenviro衄ent．UndersuchseVeresituation，maIlyadistributedpowergenerationmodeuSingallkindsofcleanene唱yaSrawmaterialseme唱esinresponsetothepropertimea11dconditions．InordertoefI’ectivelymanagethescattereddistributedpowertoreducetheimpacttodistributionnetworkresultedf-romtheabus

3、eofdistributedpowergenerationtechnology，ensurethee伍cient，stableenergysupply，andimpr0VetheeIec仃ici够quali锣oflocalusersa11dthewh01eeIectricit)rsystem，themoughtsofmicro-gridtechn0109ycomeintobeing，whichtakesregioIlSorinterco皿ectiolls锄ongdistributedpowersaSalink．nleⅡ1esismainlystarts谢

4、ththecompositionaIldcoIl仃ollableoperationofmicro-grid，a11dproceedswiththemodelingofmicro—sourcefollowedbythecon仃oldesignofv01tagesourceinve蛾endswitht11edesigIlof111icr0。鲥dcaSes．A1lofmesestepscontributetotestingaIldV嘶f蜘gtheoperationalpe怕Hnallceofmicro-鲥d．Firstofall，也ep印erchoosesPV

5、Systemastheobjectofmicro—gridmodeling，aJldsetsuptl：IesimulationmodelofPVceUbyusingMatlabsofhvareont11ebasisofengineerillgPVmath锄aticalmodel．ARera11alyzingandcomparingthemeritSanddemeritsofallkindsofMPPTtec量1Iliques，supemddingtheconsiderationofeconomicale伍ciency，thepapero虢rsaChaIl

6、geable-stepaIldW．eak-oscillationP&Omethod．TheIl，thep印erfo衄stllevvhoIemodeIofPVsystembyco证biIlingthemodelofPVcellandtheMPPTpart．ARerthetestunderdi虢rentenViro衄entalconditions，mepaperproVesⅡ1ataPV埘mthenewP&0methodownsbetteroperatingperformance．ARerwards，theaumorselectst11econtrolofm

7、icro．sourceasresearchsub{ect，a11dstudiesmeprinciplesandcontrolmoughtsofthreekindsof廿lecurrentlymainStre锄con缸olmodes，mmelyDroopcon仃oI，v／fcontrola11dPQcontml，丘omtheperSpectiveofvoltagesourceirⅣerter．SimulationmodelsforeachcontmlmodeareconstmctedempIoyingsoRwareMatla_b，a11dtllerefer

8、encep釉etersarealsoproposed丘omdi虢rentaIl9