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1、DesignCriterionforAsymmetricCoupledInductorsinInterleaving&MagneticallyIntegratedBidirectionalDC/DCConverterYugangYang,ShaojieDaiLiaoningTechnicalUniversityHuludao,125105,Chinae-mail:Yangyugang21@126.comAbstract:It’sadifficultworktodesignlargepowerenergyindu
2、ctorsbecomeeasy,butthediscreteinductorsinthestorageasymmetriccoupledinductorsininterleavingandinterleavingtopologyBDCwerenotstudieddeeply,letmagneticallyintegratedbidirectionalDC/DCconverter.Inthisalonethecoupledinductorsmagneticallyintegratedwiththepaper,th
3、esteadycurrentrippleandtransientcurrentresponsediscreteinductors.Inliterature8,adesigncriterionforthespeedareanalyzedquantitativelyininterleavingandcoupledinductorsininterleavingmagneticallyintegratedmagneticallyintegratedbidirectionalDC/DCconverterwith3BDCi
4、sgiven,butthecoupledinductorsaretreatedasaphaseasymmetriccoupledinductorsunderBuckworkmode.After3phaseasymmetriccoupledinductorsareadoptedinanidealizedsymmetricstructure,meanwhilethestructureofinterleavingbidirectionalDC/DCconverter,itstransientcurrentactual
5、3-phaseormorephasecoupledinductorsisresponsespeedcanbeincreasedmeanwhileitssteadystateasymmetric,andtheirphaseselfinductanceandthemutualcurrentripplecanbedecreased,butthereisasymmetry.Ainductanceamongthephasesarenotequal.Then,istheredesigncriterionandadesign
6、procedurefordesigningtheanyinfluenceofthestructure’sasymmetryofthecoupledasymmetriccoupledinductorsareproposedtomeetthetwoinductorstoBDC’sperformance?Howtodesignthespecificationssimultaneously,whichareverifiedwithsimulationasymmetriccoupledinductorsinmultiph
7、aseinterleavingandexperimentresults.ThereforethechallengesfordesigningmagneticallyintegratedBDCtomakeitsperformancethelargepowerenergystorageasymmetriccoupledinductorsinfulfillinguser’srequirement?Inordertoanswertheseinterleaving&magneticallyintegratedbidire
8、ctionalDC/DCconvertercanbeovercome.questions,inthispaper,withtheexampleof3-phaseBuck+BoostinterleavingmagneticallyintegratedBDCKeywords—bidirectionalDC/DCconverter;interleaving&workinginBuckmode
