{"title":"Evaluation of a high-power three-phase dual active bridge DC-DC converter with three-level phase-legs","authors":"N. Baars, J. Everts, C. Wijnands, E. Lomonova","doi":"10.1109/EPE.2016.7695616","DOIUrl":null,"url":null,"abstract":"A three-phase dual active bridge (DAB) converter with three-level phase-legs is analyzed, showing an increased soft-switching region and a reduction in rms current in the ac-link for unequal input and output voltages compared to the conventional two-level circuit. Furthermore, a comparison of the semiconductor losses is carried out for different three-level inverter implementations using commercially available silicon (Si) and silicon-carbide (SiC) power modules. The lowest losses are found for the T-type implementation with a combination of SiC and Si power modules. Experimental results, obtained from a high-power prototype, are included to support the evaluation of the three-level three-phase DAB.","PeriodicalId":119358,"journal":{"name":"2016 18th European Conference on Power Electronics and Applications (EPE'16 ECCE Europe)","volume":"67 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2016-10-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"14","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2016 18th European Conference on Power Electronics and Applications (EPE'16 ECCE Europe)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/EPE.2016.7695616","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 14
Abstract
A three-phase dual active bridge (DAB) converter with three-level phase-legs is analyzed, showing an increased soft-switching region and a reduction in rms current in the ac-link for unequal input and output voltages compared to the conventional two-level circuit. Furthermore, a comparison of the semiconductor losses is carried out for different three-level inverter implementations using commercially available silicon (Si) and silicon-carbide (SiC) power modules. The lowest losses are found for the T-type implementation with a combination of SiC and Si power modules. Experimental results, obtained from a high-power prototype, are included to support the evaluation of the three-level three-phase DAB.
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