{"title":"考虑摆动升压电感的电流馈电半桥交直流变换器的详细损耗模型","authors":"Manish Kumar, S. Pramanick, B. K. Panigrahi","doi":"10.1109/IECON48115.2021.9589291","DOIUrl":null,"url":null,"abstract":"On-board charger (OBC) power handling capability has been increasing over the past few years for reducing the charging time. This requires a much detailed analysis of the losses incurred in OBCs for better volumetric design and improved effi-ciency. This paper presents a comprehensive loss model of a single stage (1-S) single phase (1-ϕ) OBC. The OBC is realized using a current-fed half-bridge converter at grid side with swinging boost inductor and a full-bridge converter at the battery side, galvanically isolated by a high frequency transformer (HFT). Swinging boost inductor maintains high power factor and keeps the inductor current in continuous conduction mode (CCM) for a wide load range. The effect of swinging boost inductor on the losses of the converter is presented. A laboratory prototype connected to 230 V/50 Hz mains voltage with the output voltage range of 300-400 V is also developed to validate the theoretical analysis.","PeriodicalId":443337,"journal":{"name":"IECON 2021 – 47th Annual Conference of the IEEE Industrial Electronics Society","volume":"80 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2021-10-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"A Detailed Loss Model of Current-Fed Half-Bridge AC-DC Converter Considering Swinging Boost Inductor\",\"authors\":\"Manish Kumar, S. Pramanick, B. K. Panigrahi\",\"doi\":\"10.1109/IECON48115.2021.9589291\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"On-board charger (OBC) power handling capability has been increasing over the past few years for reducing the charging time. This requires a much detailed analysis of the losses incurred in OBCs for better volumetric design and improved effi-ciency. This paper presents a comprehensive loss model of a single stage (1-S) single phase (1-ϕ) OBC. The OBC is realized using a current-fed half-bridge converter at grid side with swinging boost inductor and a full-bridge converter at the battery side, galvanically isolated by a high frequency transformer (HFT). Swinging boost inductor maintains high power factor and keeps the inductor current in continuous conduction mode (CCM) for a wide load range. The effect of swinging boost inductor on the losses of the converter is presented. A laboratory prototype connected to 230 V/50 Hz mains voltage with the output voltage range of 300-400 V is also developed to validate the theoretical analysis.\",\"PeriodicalId\":443337,\"journal\":{\"name\":\"IECON 2021 – 47th Annual Conference of the IEEE Industrial Electronics Society\",\"volume\":\"80 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2021-10-13\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"IECON 2021 – 47th Annual Conference of the IEEE Industrial Electronics Society\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/IECON48115.2021.9589291\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"IECON 2021 – 47th Annual Conference of the IEEE Industrial Electronics Society","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IECON48115.2021.9589291","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A Detailed Loss Model of Current-Fed Half-Bridge AC-DC Converter Considering Swinging Boost Inductor
On-board charger (OBC) power handling capability has been increasing over the past few years for reducing the charging time. This requires a much detailed analysis of the losses incurred in OBCs for better volumetric design and improved effi-ciency. This paper presents a comprehensive loss model of a single stage (1-S) single phase (1-ϕ) OBC. The OBC is realized using a current-fed half-bridge converter at grid side with swinging boost inductor and a full-bridge converter at the battery side, galvanically isolated by a high frequency transformer (HFT). Swinging boost inductor maintains high power factor and keeps the inductor current in continuous conduction mode (CCM) for a wide load range. The effect of swinging boost inductor on the losses of the converter is presented. A laboratory prototype connected to 230 V/50 Hz mains voltage with the output voltage range of 300-400 V is also developed to validate the theoretical analysis.
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