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1、9thInternationalConferenceonPowerElectronics-ECCEAsiaJune1-5,2015/63ConventionCenter,Seoul,KoreaAnalysisofCoupled-InductorConfigurationforanInterleavedHighStep-UpConverter11112WilmarMartinez,JunImaoka,YukiItoh,MasayoshiYamamotoandKazuhiroUmetani1ShimaneUniversity,Japan
2、2OkayamaUniversity,JapanAbstract--Highstep-upconvertersarewidelyusedinadditionalcapacitors,inductorsorsemiconductorsaresustainableenergysystemsandrecentlyusedinautomotiveusedinordertostoreenergyandobtainahighvoltageapplicationsduetotheirhighvoltagegaincapability.gain[1
3、6]–[20].However,theseadditionalcomponentsNevertheless,withthepurposeofobtainingahighervoltageincreasethecircuitvolume;andinsomecases,itmaygain,incomparisonwithconventionalboostconverters,leadtosignificantcost-up.currenthighstep-upconvertersoftenemployadditionalmultipli
4、ercells,whichmayleadtosignificantcost-upandThisstudyaddressestheproblembyproposinganovellowpowerdensity.Therefore,anoveltwo-phaseinterleavedhighstep-upconverterwithafewadditionalcomponents.highstep-upconverterisproposedinordertominimizeOurstrategyisfocusedoncombiningth
5、efollowingtwoadditionalcircuitvolumeusedtoachievelargevoltagegain.techniques:1.Theinterleavedtwo-phaseboostchopperTheproposedconverteraddressesthepurposebyatopology,2.Theintegratedmagnetics.Theinterleavedparticularcoupledinductorwherethreewindingsaretwo-phasetechniquei
6、sknownaseffectivetoreducetheinstalledinoneortwocores.Asaresult,theproposedconvertercanachievehighervoltagegainthanthevolumeoftheoutputcapacitor.Moreover,thistechniqueconventionaltopologiesbyaddingawindingandtwodiodesmightproduceareductionoftheinductorvolumetotheinterle
7、avedtwophaseboostchopper,besidesthebecauseitallowssmallerinductancefortheinputcoupled-inductorconfiguration.Thispaperevaluatestwoinductorstosuppresstheinputcurrentripple.Onthearrangementsofthecoupled-inductorconfigurationoftheotherhand,integratedmagneticsisawell-knownp
8、roposedhighstep-upconverter:1.Threewindingstechniquereportedaseffectivetoincreasethepowerintegratedinonlyonecoreand2.
