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ID:34162963
大小:8.59 MB
页数:94页
时间:2019-03-04
《含有分布式电源的微电网黑启动-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、万方数据东北大学硕士学位论文AbstractTheResearchofMicrogfidBlack-startwithDistributed/1J’U铋a■nOnAbstractWiththedevelopmentofmicrogridtechnologyanditbecomingmaturerandmaturer,thesecurityproblemsofthemicrogridbecomemoreandmoreimportant.Thestableoperationofmicrogridcannotonlytoprovidesupportto
2、theimportantload,butalsocanbeusedasthestartingpowerfortherapidrestorationofpowersupplynetworkinthecriticalmomem.Asanimportantdevelopmentdirectionofdistributedgeneration,microgridtechniquehasbeenahotarea.Thisdissertationfocusesonmicrogridwithdistributedgeneration,especiallythe
3、microgridblackstartattheoffstate.Firstly,makingadetailedstudyonthebackgroundandsignificanceofblackstart,andstudiesthepresentsituationandrelatedprinciplesofblackstart.Secondly,studyingthemainstepsofmicropowergridblackstart,andemphasisonthestudyoftheblack-startpowerandthepathse
4、lection,andmadeadetailedstudyonthepossibleproblemsintheprocessofblackstart.Thirdly,thispartstudiesthedistributedgeneration,makingadetailedstudyontypicaldistributedgenerationprincipleandmathematicalmodel.Accordingtothedifferenteffectsofdistributedgenerationinmicrogrid,analyzes
5、thefeasibilityinmicrogridblackstart.Finally,drawontheprincipleofthesynchronousgeneratorgovernortoimprovetheP-fandQ.Vdroopcontrolcharacteristicsmoduleofmicrosourcetomakeithastheabilitytolimittheoutputpowerautomatically.Andbasedontheresearchonthemathematicalmodelofthemicrosourc
6、e,joinedthevoltagecontroltothecontrolmethod,realizedthemicrosourcezerovoltagestartingstably.Comparingtotheexistingblackstartscheme,andfromimprovingmicrosourcedroopcharacteristics,joinedthetranslationalcharacteristiccurve,thisthesisproposesaserialrecoverymicrogridblackstartopt
7、imizationcontrolscheme.Andstudyandanalyzethesimulationofthekeytimepointsinmicrogridblackstart.Andtheintelligentmonitoringsystemjoinedinblackstartforthefirsttime,whichCanoffertheoperationsituationtodispatcherstomakethecorrectarrangement.Keywords:Microgrid;blackstart;distribute
8、dgeneration;interactiveV万方数据东北大学硕士学位论文目录独创性声明⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯
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