{"title":"Voltage Balancing Feature and Output Regulation in a Multi-Mode Inverter/Rectifier Leg","authors":"Reza Emamalipour, J. Lam","doi":"10.1109/APEC43599.2022.9773437","DOIUrl":null,"url":null,"abstract":"Output voltage regulation for different loading conditions while simultaneously addressing the unbalanced voltage distribution over the link capacitors stays one of challenges in the design of bidirectional converters. This paper proposes a comprehensive control scheme with different modes of operation to regulate the output voltage in a bidirectional DC/DC converter that employs a multi-mode stacked-switches inverter/rectifier leg while simultaneously providing voltage balancing across all the DC-link capacitors. With built-in circuit redundancy and using a hybrid control, the gain range is widely extended for various loading conditions with limited switching frequency range while the voltage stress over the DC-link capacitors is equally distributed. Results are provided on a 400VDC to 600VDC, 1kW bidirectional converter.","PeriodicalId":127006,"journal":{"name":"2022 IEEE Applied Power Electronics Conference and Exposition (APEC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2022-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2022 IEEE Applied Power Electronics Conference and Exposition (APEC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/APEC43599.2022.9773437","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Output voltage regulation for different loading conditions while simultaneously addressing the unbalanced voltage distribution over the link capacitors stays one of challenges in the design of bidirectional converters. This paper proposes a comprehensive control scheme with different modes of operation to regulate the output voltage in a bidirectional DC/DC converter that employs a multi-mode stacked-switches inverter/rectifier leg while simultaneously providing voltage balancing across all the DC-link capacitors. With built-in circuit redundancy and using a hybrid control, the gain range is widely extended for various loading conditions with limited switching frequency range while the voltage stress over the DC-link capacitors is equally distributed. Results are provided on a 400VDC to 600VDC, 1kW bidirectional converter.
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