{"title":"变压器阻抗不平衡的三相双有源桥式变换器的扩展软开关操作","authors":"C. Teixeira, J. Riedel, D. G. Holmes, B. Mcgrath","doi":"10.1109/SPEC.2016.7846182","DOIUrl":null,"url":null,"abstract":"Unbalanced transformer impedances for three-phase dual active bridge (DAB) converters cause different zero voltage switching (ZVS) boundaries for each phase leg, which limit the converter soft switching regions. This paper uses harmonic analysis to demonstrate how asymmetrical PSSW modulation can be applied to shape each phase leg's ZVS boundary. The conclusions from the analysis provide guidelines to extend the ZVS range of practical three-phase DABs as is experimentally verified on a laboratory prototype.","PeriodicalId":403316,"journal":{"name":"2016 IEEE 2nd Annual Southern Power Electronics Conference (SPEC)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2016-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Extended soft switching operation of three-phase dual active bridge converters with unbalanced transformer impedances\",\"authors\":\"C. Teixeira, J. Riedel, D. G. Holmes, B. Mcgrath\",\"doi\":\"10.1109/SPEC.2016.7846182\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Unbalanced transformer impedances for three-phase dual active bridge (DAB) converters cause different zero voltage switching (ZVS) boundaries for each phase leg, which limit the converter soft switching regions. This paper uses harmonic analysis to demonstrate how asymmetrical PSSW modulation can be applied to shape each phase leg's ZVS boundary. The conclusions from the analysis provide guidelines to extend the ZVS range of practical three-phase DABs as is experimentally verified on a laboratory prototype.\",\"PeriodicalId\":403316,\"journal\":{\"name\":\"2016 IEEE 2nd Annual Southern Power Electronics Conference (SPEC)\",\"volume\":\"17 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2016-12-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2016 IEEE 2nd Annual Southern Power Electronics Conference (SPEC)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/SPEC.2016.7846182\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2016 IEEE 2nd Annual Southern Power Electronics Conference (SPEC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/SPEC.2016.7846182","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Extended soft switching operation of three-phase dual active bridge converters with unbalanced transformer impedances
Unbalanced transformer impedances for three-phase dual active bridge (DAB) converters cause different zero voltage switching (ZVS) boundaries for each phase leg, which limit the converter soft switching regions. This paper uses harmonic analysis to demonstrate how asymmetrical PSSW modulation can be applied to shape each phase leg's ZVS boundary. The conclusions from the analysis provide guidelines to extend the ZVS range of practical three-phase DABs as is experimentally verified on a laboratory prototype.
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