资源描述：
《Isolated Three-Phase High Power Factor Rectifier》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、4962IEEETRANSACTIONSONPOWERELECTRONICS,VOL.28,NO.11,NOVEMBER2013IsolatedThree-PhaseHighPowerFactorRectifierBasedontheSEPICConverterOperatinginDiscontinuousConductionModeGabrielTibolaandIvoBarbi,Fellow,IEEEAbstractThispaperpresentstheanalysisanddesignof
2、athree-VtpTriangularcarrierpeakvoltage.phasehighpowerfactorrectifier,basedonthedcdcsingle-endedεNoncompensatederror.primary-inductanceconverter(SEPIC)operatingindiscontinu-εcCompensatederror.ousconductionmode,withoutputvoltageregulationandhighfre-quenc
3、yisolation.TheinputhighpowerfactorisnaturallyattainedKcCompensatorgain.throughtheoperationalmodewithouttheuseofcurrentsensorsωzCompensatorzerofrequency.andacurrentcontrolloop.Tovalidatethetheoreticalanalysis,aωpCompensatorpolefrequency.designexamplean
4、dexperimentalresultsfora4-kW,380-Vline-to-lineinputvoltage,400-Voutputvoltage,0.998powerfactor,40-kHzswitchingfrequency,and4%inputcurrenttotalharmonicdistortionlaboratoryprototypearepresented,consideringtwodis-I.INTRODUCTIONtinctmodulators.Inaddition,
5、experimentalresultsfortheoutputN1997,acompleteclassificationofthree-phaserectifiervoltageclosed-loopcontrolarepresented.Itopologieswithloweffectonthemainswaspresented[1],IndexTermsACDCconverter,discontinuousconductionwherethefirstdivisiondistinguishedact
6、iveandpassiverecti-mode(DCM),powerfactorcorrection(PFC),single-endedfiers.Somearepurelypassivetopologies,suchasthe12-andprimary-inductorconverter(SEPIC),three-phaserectifier.18-pulserectifierswithorwithoutisolation[2],whileothersarehybridstructures[3],[4
7、].Inthecaseofactivestructures,theinputcurrent,outputvoltage,orbotharecontrolled,resultinginmanyothersubdivisions:directthree-phasesystemsorthoseNOMENCLATUREcomposedofacombinationofsingle-phasesystems,withlow-VpPeakvalueofline-to-neutralinputvoltage.or
8、high-frequencyisolation,unidirectionalorbidirectionalsys-VoOutputvoltage.tems,single-ormultiple-stageconverters,andthoserelatedtofsSwitchingfrequency.continuousordiscontinuousoperationalmodes.frMainfrequency.Insummary,ifonlythestructuresthatre
