第46卷第1期2023年2月电子器件ChineseJournalofElectronDevicesVol.46No.1Feb.2023收稿日期:2021-09-24修改日期:2021-12-09DesignofActiveClampBidirectionalFlybackConverterBasedonGaNTransistorSHIYongsheng1*,LIJin1,ZHANGYaozhong2(1.SchoolofElectricalandControlEngineering,ShaanxiUniversityofScience&Technology,Xi’anShaanxi710021,China;2.EconomicandTechnologicalResearchInstituteofStateGridGansuElectricPowerCompany,LanzhouGansu730050,China)Abstract:TheapplicationofGalliumNitride(GaN)powertransistorinbidirectionalDC-DCconverterisdesigned.Inrecentyears,GaN,thethirdgenerationofwidebandgappowersemiconductordevices,hasattractedextensiveattentioninpowerelectronicsapplica-tionsduetoitsadvantagesofsmallsize,highfrequencyandhighefficiency.Forthetwo-wayDC-DCconvertertoachievebidirectionalenergyefficienttransmissionunderportablesmallpowerapplicationscenarios,anactiveclampbi-directionalflybackconverterbasedonGaNdevicesisdesigned,anditsperformanceistested.Theworkingprincipleoftheconverter,switchmode,andtheconditiontorealizesoftswitchareintroducedindetailandanalyzed,andthemaincircuitparametersaredesigned.LTspicesoftwareisusedtobuildthesimulationmodel,andthesimulationresultsverifythattheconvertercanachievetheperformanceofsoftswitchingtubeunderlowpowerapplication.Finally,a20Wexperimentalprototypeisdesignedtoverifytheaccuracyandeffectivenessofthedesignedtopology,whichhashigherconversionefficiencythanthetraditionalSiMOSFETdevice.Keywords:GaNtransistor;powerelectronics;transferefficiency;softswitchingEEACC:1210;1290B;2520doi:10.3969/j.issn.1005-9490.2023.01.025基于GaN器件的有源箝位双向反激变换器设计史永胜1*,李锦1,张耀忠2(1.陕西科技大学电气与控制工程学院,西安710021;2.国网甘肃省电力公司经济技术研究院,兰州730050)摘要:文章针对氮化镓(GalliumNitride,GaN)功率晶体管在双向DC-DC变换器中的应用进行设计。近年来,第三代宽禁带功率半导体器件GaN凭借其体积小、高频、高效率等优势,在电力电子应用中得到了广泛的关注。为实现双向DC-DC变换器在便携式小功率应用场景下的能...