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ID:36716211
大小:467.28 KB
页数:8页
时间:2019-05-14
《双管正激ZVZCS变换器》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
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
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