L. Barbosa, J. Vieira, L. D. de Freitas, M. Vilela, V. J. Farias
{"title":"A buck quadratic PWM soft-switching converter using a single active switch","authors":"L. Barbosa, J. Vieira, L. D. de Freitas, M. Vilela, V. J. Farias","doi":"10.1109/PESC.1996.548561","DOIUrl":null,"url":null,"abstract":"High switching frequency associated to soft commutation techniques is a trend in switching converters. Following this trend a buck PWM converter is presented. The DC voltage conversion ratio of this converter has a quadratic dependence on duty-cycle, providing a large step-down. This new buck quadratic PWM soft-single-switched converter, having only a single active switch, provides high efficient operating condition for wide load range at high switching frequency. In order to illustrate the operating principle of this new converter a detailed study, including theoretical analysis, relevant equations and simulation and experimental results is carried out.","PeriodicalId":19979,"journal":{"name":"PESC Record. 27th Annual IEEE Power Electronics Specialists Conference","volume":"46 1","pages":"69-75 vol.1"},"PeriodicalIF":0.0000,"publicationDate":"1996-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"42","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"PESC Record. 27th Annual IEEE Power Electronics Specialists Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/PESC.1996.548561","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 42
Abstract
High switching frequency associated to soft commutation techniques is a trend in switching converters. Following this trend a buck PWM converter is presented. The DC voltage conversion ratio of this converter has a quadratic dependence on duty-cycle, providing a large step-down. This new buck quadratic PWM soft-single-switched converter, having only a single active switch, provides high efficient operating condition for wide load range at high switching frequency. In order to illustrate the operating principle of this new converter a detailed study, including theoretical analysis, relevant equations and simulation and experimental results is carried out.
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