资源描述:
《微电网中微源运行特性分析和控制方法研究》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
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.......................................................
8、...............................................................................I1绪