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1、AbstractTitle：MicropowergridcontrolandoperationcharacteristicsanalysisMajor：ElectricalengineeringName：XiaoLiSignnature:Supervisor：Associateprof.KaosheZHANGSignature:SeniorengineerJunSuoSignnature:AbstractWiththeincreaseofeconomicgrowth,thedemandforelectricityisbecomingmorea
2、ndmorebig,intheprocessoflarge-scalenetworkgraduallyemerge,suchasschedulingdifficulties,security,andsafetyfactorisnothigh,therehasbeennoelectricitygridofsomeparts,etc.AAttthesametime,Thedeterioratioonnoftheenergycrisiisalsomakeourcountrywhichusecoalasthemainpowerstructureoft
3、hedevelopingcountriescostalargeamountofmanpower,materialandfinancialresourcesinenvironmentalgovernannce.Distributedgenerationwithhitsadvantagessuchasflexible,environmentalprotectionisgraduallywinsthegeneraallmarkets,butitalsobroughtsomeprobleminsomeaspectssuchasprotectionof
4、thepowersystem,real-timeschedulingandpowergridreliabilityandsoon,soestablishthemicrogridmodelisthebetterwaytosolvetheseproblems.Thispaperfirstlymadeabrieflydiscussedthecurrentenergycrisis,thenitleadstothedistributedgeneration,whichhasuniquesuperiorityinthefaceofthecrisis,th
5、ispaperintroducestherelationshipbetweenmicrosourceandmicrogrid,madeasimpledescriptiontomicrogrid’soperationcharacteristics,andmadeasimplleintroductiontothedevelopmentofmicrogridathomeandabroad.Secondlyintroducestheworkingprincipleofphotovoltaicpowergenerationandgasturbine,m
6、adeabriefderivationtoitsmathematicmodelandanalysisofthefactorsthataffectitsoperation.Onceagainmadeaanalysisandderibationtothemicrosourceofdifferentcontrolmethods,attheenddesignacombinedcontrolofconstantPQcontrolanddroopcontrolstrategyofmicrogrid,andintheoperationofavarietyo
7、fconditionsinthesimullationanalysis,itisconcludedthatthiscontrolstrategycansatisfytheconclusionofstableoperation.Keywords：microgrid;microsource;droopcontrol;PQcontrol;simulationanalysis.III万方数据西安理工大学专业硕士学位论文IV万方数据目录目录摘要.......................................................
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