《雙管正激ZVZCS變換器》由會員上傳分享，免費在線閱讀，更多相關內容在行業(yè)資料-天天文庫。

1、Doubletwo-switchforwardtransformerlinkedsoft-switchingPWMDC-DCpowerconverterusingIGBTsS.Moisseev,S.HamadaandM.NakaokaAbstract:Adoubletwo-switchfowardtypehigh;frequencytransformerlinkedzero-voltageandzero-currentmodesoft-switching(ZVZCS)pulsewidthmodulation(PWM)DC-D

2、CpowerconverterusingIGBTsispresented.AnewcircuitconfigurationoftheisolatedtypePWMsoft-switchingconverterisproposedtoreduceidlingandcirculatingcurrentsinthemaincircuitwithoutusingcomplexadditionalactiveauxiliaryresonantsnubbercircuitsandpowersemiconductordevices.and

3、todecreasethepeakvoltageacrosspowerdevices;andtheirpeakcurrentstresses.Thissoft-switchingPWMDC-DCpower.converterhastheuniqueadvantagesoflesspowercircuitcomponentsandpowersemiconductordevices,highpowerconversionefficiency,constantfrequencydutycyclecontrolscheme,cost

4、-emectiveandstablesoft-switchingoperatingrangeunderwideloadvariationsforhighpowerapplications.Thebasicoperatingprincipleofthesoft-switchingpowerconvertertreatedhereisillustratedusingperiodicsteady-statecircuitanalysisforeachmodcequivalentcircuit.Theeffectivenessoft

5、heproposedsoft-switchingDC-DCpowerconvcrterbuiltandtestedasa500W-100kHzbreadboardsetupusingIGBTsisverifiedandevaluatedonthebasisofsimulationandtheoreticalcircuitanalysis.1Introductionmagnetisationcurve,whichtendstoincreasetheircostandcoolingpowerrequirement.Ontheot

6、herhand,theInrecentycars,avarietyofhigh-performanceinvertcrtypecirculatingcurrentcanbealsoreducedbyaddingauxiliaryandchoppertypeDC-DCpowerconvertercircuitactiveresonantsnubbercircuits[7-10].However,auxiliarytopologiesusingpowersemiconductordevices(IGBTs,activereson

7、antsnubbercircuitssuchasresonantDClinkMOSFETsandSITS)havebeenproposedanddevelopedtoandresonantswitchlink?resonantAClink,andresonantmeetpracticalrequirementssuchasincreasedpowercommutationleglinksnubbertopologies,givesomedensity,highperfomxinceandhighpowerconversion

8、additionalpowerlossesduetoenergyrecoverycurrentcfficiencyinelectronicequipment.Inhighandmediumandcomplexcircuitrywithpassiveandactivepowerpowerap