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1、MultiportConvertersforHybridPowerSourcesHaiminTao,JorgeL.Duarte,andMarcelA.M.HendrixGroupofElectromechanicsandPowerElectronicsEindhovenUniversityofTechnology5600MBEindhoven,TheNetherlandsEmail:haimin.tao@gmail.comAbstract—Multiportconverters,apromisingconceptforcouplingviaadcbus[11
2、],magnetic-couplingthroughhybridpowersources,haveattractedincreasingresearchahigh-frequencytransformer[7],usingfluxadditivityinterestrecently.Theuseofasinglepowerprocessingbyamultiwindingtransformer[14],puttingsourcesinstagetointerfacemultiplepowerinputsintegratespowerseries[13],bas
3、edonathree-switchboosttopology[17],conversionforahybridpowersource.Thisstructurere-movesredundantpowerstagesthatwouldexistintheortri-modaloperation[8].conventionalapproachthatusesmultipleconverters.TheMultiportconvertersarefindingtheirapplicationsinmultiportstructureispromisingfromt
4、heviewpointsofvarioussystemslikealternativegeneration[3],[6],[8],centralizedcontrolandcompactpackaging.Theproposed[18],electricvehicles[11],[17],UPSsystems[19],basicbidirectionalswitchingcellsshowseveralpossibilities[20],andhybridenergystoragesystems[5].Basedontoconstructamultiport
5、converter.Severalthree-porttopolo-giesarediscussed.Furthermore,basedontheinterleavingageneraltopologythatusesacombinationofadc-linktechnology,topologiesforhigherpowerapplicationsarealsoandmagnetic-coupling,afamilyofmultiportbidirectionalprovided.dc-dcconvertersispresentedin[4],[21]
6、.Thispaperde-scribesthemultiporttopologyandgivesseveralexamplesI.INTRODUCTIONofthree-portconvertersforapplicationsatdifferentpowerHybridpowersourcesarebecomingmoreandmorelevels.popular.Forexample,inrenewableenergygenerationII.TWOSYSTEMSTRUCTURESsystemstheproductionofelectricityfrom
7、solarsourcesdependsontheamountoflightenergy.Likesolarenergy,Basically,therearetwostructuresthatcanbeusedtheavailabilityofwindenergyisalsouncertain,heavilyinhybridpowersourcesystems,i.e.,theconventionalrelyingontheweather.Forstand-aloneorgrid-interactivestructureandthemultiportstruc
8、ture[4],[21].systems,energ
