A topology survey of single-stage power factor corrector with a boost type input-current-shaper

《A topology survey of single-stage power factor corrector with a boost type input-current-shaper》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、ATopologySurveyofSingle-StagePowerFactorCorrectorwithaBoostppeInput-Current-ShaperChongmingQiaoandKeyueM.SmedleyDepartmentofElectricalandComputerEngineeringUniversityofCalifornia,Irvine.CA92697Tel:(949)824-6710Fax:(949)824-3203Email:smedlev@uci.eduAbstract:A

2、topologicalreviewofthesinglestagepowercontrolcircuitrythatmaynotbejustifiedforlowerpowerfactorcorrectted(PFC)rectifiersispresentedinthispaper.applications.Inasingle-stagePFC,input-currentshaping,Mostofreportedsingle-stagePFCrectifierscascadeaboost-isolation,

3、andfastoutputregulationareperformedinatypeconverterwithaforwardoraflybackdc-dcconvertersosinglestage.Asingle-stagePFCrectifiertypicallythatinputcurrentshaping,isolation,andfastoutputvoltageintegratesaninputcurrentshaperandanisolateddc-dcregulationareperforme

4、dinonesinglestage.Thecostandconverterwithasharedswitchandcontroller.Theenergyperformanceofasingle-stagePFCconvertersdependgreatlyonhowitsinputcurrentshaper(ICs)andthedc-dcstoragedeviceinbetweenservesasabufferforfrequencyconverterareintegratedtogether.Forthec

5、ascadeconnectedisolationbetweentheICsandthedc-dcconverteraswellsingle-stagePFCrectifiers,theenergystoragecapacitorisasprovidesnecessaryholduptime.Thismethodprovidesfoundineitherseriesorparallelpathofenergyflow.Theacompromisebetweentheperformanceandcost.secon

6、dgroupappearstorepresentsthemainstream.ComprehensivecomparisonsofthethreeapproachesatTherefore,thefocusofthispaperisonthesegroup.Itismanufacturecostandperformance[2][3]haveshownthatfoundthatmanyofthesetopologiescanbeimplementedbythesingle-stagePFCisacost-eff

7、ectivesolutionforlowcombininga2-terminalor%terminalboostICscellwithdc-powerapplications(typicalbelow2OOwatts).dcconverteralongwithanenergystoragecapacitorinForsinglestagePFCrectifiers,theperformancebetween.Ageneralruleisobservedthattranslatesa3-terminalICsce

8、lltoa2-terminalICscellusinganadditionalmeasures,suchasefficiency,holduptime,componentwindingfromthetransformerandviceversa.Accordingtocount,componentvoltageandcurrentstress,inputcurrentthetransl