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1、AsianPowerElectronicsJournal,Vol.8,No.3,Dec2014LowVoltageDCDistributionSystem1234567K.Ding,K.W.E.Cheng,D.H.Wang,Y.M.Ye,X.L.Wang,J.F.Liu,N.C.CheungAbstract–ACdistributionisconventionalanditsfutureisandcomputer-AllcontrolelectronicsandcomputersarenowunderthreatwithitsmajorcompetitorDCdistribution.DCop
2、erated[30-36].PowerelectronicsDCconversionTransformervoltageconversioncanbereplacedcompletelytechnologyhasbeendevelopedandusedinDCbyDC-DCconverterinDCdistributionwithvoltageanddistributionsystemextensionally[37-41].Manyapparatuscurrentregulation.DCenergyandenergysavingasthesetsareofstructureasshowni
3、nFig1.ThereisarectifierdistributionmatchwellwiththerecenttechnologyinthatconvertsACintoDC.TheresultantDCoftherectifierrenewables,energystorage,computerandcontrolelectronics,modernlightingsandelectricmobilitywhichareallDCisthenconvertedtootherDCvoltagesfordifferentbased.UsingDC,theAC-DCandDC-ACconver
4、sionswillelectroniccircuitsorelectricalunits.IfDCisuseddirectly,nolongerbeneeded.Thehigherprocessingefficiency,simpletherectifiersub-circuitcanbeeliminated.Thematerialscontrolinpowerquality,easyvoltagesourceconnectionandcanbereducedandtheefficiencycanbeincreased.TableImaterialreductionaretheobviousa
5、dvantages.ThepapersummariestheequipmentusingDC.discussestherecentdevelopmentofDCdistributionanditstechnology.Theworkinvoltagelevel,soft-switching,safetyandprotectionaretheareaofrecentdevelopment.PowerElectronicsisadrivingforcetorealizethisfuturepowerdistribution.Analysesonthevoltageandefficiencyarea
6、lsocomplementedwiththedescription.ItisexpectedthattheDCdistributiondemonstratesapowerinnovationintheworldandopenanewchapterforenergysavingandpowerFig.1:Atypicalstructureofthepowersupplyofanapparatusorutilization.equipment.Keywords–DCdistribution,ACdistribution,energystorage,Table1:Summaryoftheapplia
7、ncesusingDCDC-Dcconverter,inverterCatalogApplicationsI.INTRODUCTIONConsumerAmplifier,TelevisionsetproductsACdistributionhasbeenusedformorethanacentury.PersonnelcomputerTodaymostofthehome,officeandindu
