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ID:34188824
大小:5.40 MB
页数:58页
时间:2019-03-04
《微电网调度与控制相协调的频率管理》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、硕士学位论文AbstractCurrently,theglobalene玛ycrisisandtheenViro啪entalcrisisareincreasinglyserious.Besides,theshortcomingofbulkpowergridiscontinuallyprominent.Thus,distributedgenerationispaidmoreattention.Microgridisanewtypeofpower铲id,whichcanintegrateandcoordinateVariousdistributedgenera
2、tions.Theeffectiveutilizationofmicrogridishelpfulformal(ingfulluseofdistributedgeneration,exploringthevalueofdistributedgenerationatmaximumaJldrelieVingthecontradictionbetweendistributedgenerationandbulkpowergrid.Whenamicrogridisoperatedinisland,thefrequencyshouldbecompletelymaint
3、ainedbythemicrosources.However’therearemanyuncertainfactorsinmicrogrid.What’smore,theineniaofmicrogridandthecontrollabilityofmostsourcesarerelatiVelyweak.Alltheseraiseabigchallengeforthefrequencymanagementinmicrogrid.Therefore,thisp印erstudysthefrequencymanagementbasedonthecoordina
4、tionbetweendispatchingandcontrolinmicrogrid.Researchworkcanbesummarizedasf.ollows.Firstly,thebasictheoryofthecoordinationbet、veendispatchingandcontrolinmicrogridisstudied.Thereasonwhythecurrentcoordinationmodeinbulkpowergridisnotsuitableinmicrogridisanalyzed,andbasedonthattheconce
5、ptandfr锄eworkofthecoordinationbetweendispatchingandcontrolinmicrogridareproposed.Aswellasmanymeasurestoincreasethecoordinationbetweendispatchingandcontrolinmicrogridarepresented.Besides,manykeyissuesonmanagementandtechnologywhichshouldbes01Vedduringtherealizationofthecoordinationb
6、etweendispatchingandcontrolinmicrog“dareproposedrespectively.Secondly,aneValuationmethodusedforreservecapacityrequirementinmicrogridisproposedforthecoordinationbetweendispatchingandcontr01.Asthereservecapacityrequirementiscloselyrelatedtotheuncenainf-actorsinmicrogrid,thepaperanal
7、yzestheln士Iuence士actorsonreserVecapacityrequirement,andthenoptimizesthereservecapacityrequirementofeachperiodconsideringthepowersupplyreliability,microsourcefailure,fbrecastingerrorofloadandrenewablegenerationoutputindetail.Thecasestudyindicatesthatthemethodproposedbythispapercani
8、mproVethepowersupplyreliabilitygr
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