{"title":"有源箝位正激变换器中用于电感电流减小的双路混合同步整流器","authors":"Katsuhiro Hata, Sadanori Suzuki, M. Takamiya","doi":"10.1109/APEC43599.2022.9773609","DOIUrl":null,"url":null,"abstract":"A dual-path hybrid synchronous rectifier (DPH-SR) in active clamp forward (ACF) converters is proposed for inductor current reduction to solve inductor cooling problems under heavy load. In the proposed DPH-SR, the flying capacitor also supplies current to the output, thereby reducing the inductor current. In the measurement, the peak efficiency of the ACF converters with the proposed DPH-SR and conventional SR was 90.9 % and 89.0 % at 10 AOUT, respectively, resulting in the improvement in efficiency by 1.9 %. In addition, the inductor conduction loss of the proposed DPH-SR is reduced by 43.0 % by reducing the inductor current by 24.8 % at 20 AOUT.","PeriodicalId":127006,"journal":{"name":"2022 IEEE Applied Power Electronics Conference and Exposition (APEC)","volume":"167 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2022-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Dual-Path Hybrid Synchronous Rectifier in Active Clamp Forward Converter for Inductor Current Reduction\",\"authors\":\"Katsuhiro Hata, Sadanori Suzuki, M. Takamiya\",\"doi\":\"10.1109/APEC43599.2022.9773609\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A dual-path hybrid synchronous rectifier (DPH-SR) in active clamp forward (ACF) converters is proposed for inductor current reduction to solve inductor cooling problems under heavy load. In the proposed DPH-SR, the flying capacitor also supplies current to the output, thereby reducing the inductor current. In the measurement, the peak efficiency of the ACF converters with the proposed DPH-SR and conventional SR was 90.9 % and 89.0 % at 10 AOUT, respectively, resulting in the improvement in efficiency by 1.9 %. In addition, the inductor conduction loss of the proposed DPH-SR is reduced by 43.0 % by reducing the inductor current by 24.8 % at 20 AOUT.\",\"PeriodicalId\":127006,\"journal\":{\"name\":\"2022 IEEE Applied Power Electronics Conference and Exposition (APEC)\",\"volume\":\"167 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/APEC43599.2022.9773609\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2022 IEEE Applied Power Electronics Conference and Exposition (APEC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/APEC43599.2022.9773609","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Dual-Path Hybrid Synchronous Rectifier in Active Clamp Forward Converter for Inductor Current Reduction
A dual-path hybrid synchronous rectifier (DPH-SR) in active clamp forward (ACF) converters is proposed for inductor current reduction to solve inductor cooling problems under heavy load. In the proposed DPH-SR, the flying capacitor also supplies current to the output, thereby reducing the inductor current. In the measurement, the peak efficiency of the ACF converters with the proposed DPH-SR and conventional SR was 90.9 % and 89.0 % at 10 AOUT, respectively, resulting in the improvement in efficiency by 1.9 %. In addition, the inductor conduction loss of the proposed DPH-SR is reduced by 43.0 % by reducing the inductor current by 24.8 % at 20 AOUT.
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