{"title":"降压型PWM DC-DC功率变换器的功率损耗和效率","authors":"N. Das, M. Kazimierczuk","doi":"10.1109/EEIC.2005.1566330","DOIUrl":null,"url":null,"abstract":"This paper derives an expression for efficiency of the buck converter that is obtained by determining the power loss in each component of a power converter. The expression for efficiency is derived as a function of the DC voltage transfer function and the circuit parameters. For a selected design, the derived expression is validated using a PSpice simulation. The expression is used to predict the variation in efficiency as well as the duty cycle of the design for two conditions: with varying input voltage and a fixed load; and with a fixed input voltage and a varying load","PeriodicalId":267510,"journal":{"name":"Proceedings Electrical Insulation Conference and Electrical Manufacturing Expo, 2005.","volume":"35 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"18","resultStr":"{\"title\":\"Power losses and efficiency of buck PWM DC-DC power converter\",\"authors\":\"N. Das, M. Kazimierczuk\",\"doi\":\"10.1109/EEIC.2005.1566330\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This paper derives an expression for efficiency of the buck converter that is obtained by determining the power loss in each component of a power converter. The expression for efficiency is derived as a function of the DC voltage transfer function and the circuit parameters. For a selected design, the derived expression is validated using a PSpice simulation. The expression is used to predict the variation in efficiency as well as the duty cycle of the design for two conditions: with varying input voltage and a fixed load; and with a fixed input voltage and a varying load\",\"PeriodicalId\":267510,\"journal\":{\"name\":\"Proceedings Electrical Insulation Conference and Electrical Manufacturing Expo, 2005.\",\"volume\":\"35 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1900-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"18\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings Electrical Insulation Conference and Electrical Manufacturing Expo, 2005.\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/EEIC.2005.1566330\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings Electrical Insulation Conference and Electrical Manufacturing Expo, 2005.","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/EEIC.2005.1566330","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Power losses and efficiency of buck PWM DC-DC power converter
This paper derives an expression for efficiency of the buck converter that is obtained by determining the power loss in each component of a power converter. The expression for efficiency is derived as a function of the DC voltage transfer function and the circuit parameters. For a selected design, the derived expression is validated using a PSpice simulation. The expression is used to predict the variation in efficiency as well as the duty cycle of the design for two conditions: with varying input voltage and a fixed load; and with a fixed input voltage and a varying load
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