资源描述：
《低压直流微电网中相关控制策略的-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、AbstractInrecentyears,withthecontinuousdepletionofresourcesandenvironmentalpollutionareincreasinglyshowingtheseriousnessofthedevelopmentoftherationaldevelopmentofnewresourcesandsmartdistributiongridisimminent.Basedontheabovebackground,DCmicro-gridwithanewgridstructuremodelgr
2、aduallybeendeveloped,there'sthisnewmodelgridstructurewithourcurrentpowerdevelopmentcoincideswiththenecessaryhuman,graduallygainedwidespreadattention.Comparedwiththetraditionalexchangeofmicronetworkstructure,thecurrentprogressforDCmicro-gridisstillrelativelyslow,anditsenergym
3、anagementstrategy,systemsControlStrategyisnotverycomprehensive.Betweenthis,thepaperlowvoltageDCmicro-gridinastudyrelatedtothecontrolstrategytofurtherpromotethedevelopmentofDCmicro-gridtomakeacontribution.Firstly,thepaperstudiesthestructureoftherequiredtwoDCmicro-gridnetworks
4、,andeachindividualunittobuildthecomponentpartsofthisDCmicro-gridstructurebuilttoexpandthebasicprinciplecomponentanalysisandmodels.Discussestheoperationofphotovoltaicmicro-sourceideas(works)inMATLABsimulationsoftwareforphotovoltaicmicrosourceswerebuiltmathematicalmodelsandsim
5、ulation,simpleexpositionofitsoutputcharacteristics,andusingthedisturbanceobservermethod,completeditsMPPToutput;battery,operatingcharacteristicsofthefuelcell,thebasicoperatingprinciplesandcharacteristicsofthecompositionofoutputDCmicro-gridisanalyzedandjudgment;theoperatingpri
6、ncipleofDCmicro-gridsystemwithinthecompositionoftherelevantconverter(DC/DC,AC/DC)anddynamiccharacteristicsaredescribed.Then,theintroductionofaDCmicro-gridsystemDCbusvoltagecontrolstrategy.ManDCmicro-gridstructuremodeltodroopcontrolmethodbasedonthemethodofsettingthethresholdv
7、oltage,theDCbussystemtosetadifferentvoltagelevel,andthenonthebasisoftheoperatingcharacteristicsofDCmicro-gridinadifferentsystemcharacteristicsunderdifferentoperatingmodes,accordingtothesystemDCbusvoltagechange,therespectivecomponentsofthesystemelementsaredesignedwithinitscor
8、respondingcontrolstrategy,sothatthephotovoltaiccellcanoperateinconstantvolt
