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1、01-王希天一现代电力电子技术在绿色照明的应用ThisarticleiscontributedbychinadtjPdfdocumentsmayexperiencepoorbrowsingontheWAPside・ItisrecommendedthatyoufirstselectTXT,ordownloadthesourcefiletothelocalview.ApplicationofmodernpowerelectronictechnologyingreenlightingWangXitian,ProfessorofGuangxi
2、UniversityAsoftswitchingmethodoftheinventionrelatestothetechnicalfieldofswitchingpowersupplyZsourceandCLKtechnologyofcombination,particularlyrelatestoamethodofDCDC(voltagesourceV1N)connectedbymultiphaseZ.Thesourceiscontrolledbymultiphasepowerelectronicswitch〃(0N)open(OF
3、F)〃periodratio(dutyratioD),toachieveseamlesscontrolstep~uporstep-down,intoamultiphasecurrentsource(IA,IB,icAsetofsoftswitchingmethodsthatprovidetherequiredvoltagetotheloadU0RODCcurrentsource・Thetechnologyusedinswitchingpowersupplyadapter・Suchasportablecomputerpoweradapt
4、er;LEDlamppoweradapter.Theadapter,inadditiontotheappearancerequirementsbook,light,shortandsmal1.Especiallyforpowerfactormorethan0.90,theelectricpowerefficiencyofmorethan0.90.EMCstandardandhavegreatdegreeofprosperity,stabilityandreliabilityparticularlyimportant・Tradition
5、alpowerelectricalmethodsdifficulties・ThetraditionalactivesoftswitchingCUKtopology,theimplementationofthatoutputpowerisnotbigenough,efficiencyisnothighenough;althoughtheavailabilityofmultiphaseCUKtopology,effectivelyimprovethepower・Buttheefficiencyisstillnothighenough・Th
6、econtentoftheinventionofthepresentinventionistoprovideasoftswitchingmethod,combinedwithZsourcetechnology,byusingmultiphaseandmultiphaseZsourceCUKcombinedtosolvethetraditionalactivesoftswitchingtopologyCUKoutputpowerisnotbigenough,efficiencyisnothighenoughproblems・Theinv
7、entionsolvestheaboveproblemsthroughthefollowingtechnicalscheme:asoftswitchingmethodwithisolatedtwotubeDINpowerUINandmultiphaseZsourceisolation,constantpowerUINorUczodynamicpowersupplybymagneticintegratedmultiphaseinductancearerespectivelyconnectedtothepowerelectronicswi
8、tch・ThemagneticintegratedpolyphaseinductorLza,Lzb,LzcandLzOdecouplefrommutualinductanceandmutualinductance・Eac