资源描述：
《2015 Current-Balancing Technique for Interleaved Voltage Source Inverters With Magnetically Coupled Legs Connected in Parallel 》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、IEEETRANSACTIONSONINDUSTRIALELECTRONICS,VOL.62,NO.3,MARCH20151335Current-BalancingTechniqueforInterleavedVoltageSourceInvertersWithMagneticallyCoupledLegsConnectedinParallelGabrielJ.Capella,JosepPou,SeniorMember,IEEE,SalvadorCeballos,JordiZaragoza,Member,IEEE,andVassiliosG.Agelidis,SeniorMemb
2、er,IEEEAbstract—Connectinglegsinparallelinavoltagesourcecurrentsratherthanvoltagesareincreasedinordertoachieveinverterisawaytoincreasetheoutputcurrentand,thus,higherpowerinsomefields.Thiscanbeattainedeitherwithitsratedpower.Theconnectioncanbemadeusingei-VSIsmadeupoflegsconnectedinparallel(ifal
3、lthelegsthercoupledoruncoupledinductors,andachievinganareconnectedtoacommondcbus)orbymeansofparallelevencontributiontotheoutputcurrentfromallthelegsisacrucialissue.Circulatingcurrentsproduceadditionalconnectionofinverters(eachonewithitsowndcbus)[5],lossesandstresstothepowerdevicesoftheconvert
4、er.[6].Inaddition,inverterswithlegsconnectedinparallelareTherefore,theyshouldbecontrolledandminimized.Anmodularandbecauseofthat,theirproductionandmaintenanceefficienttechniquetoattainsuchbalancewhencoupledbecomelessexpensive.Moreover,theyqualifyfortheimple-inductorsareusedispresentedinthispape
5、r.Thepro-mentationoffault-toleranttechniques,thusofferingimprovedposedtechniquecanalsobeusedwhentheinductorsareuncoupled,sinceitisaparticularcasewherethecou-overallreliability[7],[8].plingcoefficientsarezero.ThistechniquedoesnotincludeParallel-connectedlegsofaVSIrequiretheuseofinduc-proportion
6、al–integralcontrollersanddoesnotrequireanytorstoobtainasingleoutputvoltagefromseveralinputlegsparametertuningeither.Theexactcontrolactionneededto[9][14].Theuseofuncoupledinductorsdoesnotbringanyreachcurrentbalanceisstraightforwardlycalculatedandsizereductionintheamountofmagneticmaterialneeded
7、butapplied.Experimentalresultsareshowninthispapertofacilitatesmodularityandmanagementincaseoffaultylegsverifytheefficiencyoftheproposedbalancingmethod.[10].Theuseofcoupledinductorsprovidesahigh-impedanceIndexTerms—Currentsharing,interleaving,p
