{"title":"一种新型快速电池充电器自适应输出电压控制器","authors":"Kai-Hui Chen, Tsomg-Juu Liang, Bin-Kun Huang","doi":"10.1109/APEC.2017.7931176","DOIUrl":null,"url":null,"abstract":"A new adaptive output voltage controller for fast battery charger method is proposed in this paper. The charging power demanded is increased with larger battery capacity to shorten the charging time. To overcome the longer charging time with the constant voltage charger, the charging power may vary from high power to low power for the fast battery charger to shorten the battery charging time. In this paper a new adaptive output voltage control circuit is proposed. And the conversion efficiency of flyback converter under various power conditions is analyzed. Then the output voltage of flyback converter is controlled with the output power level to maintain high efficiency power conversion to achieve fast battery charging and higher efficiency. Finally, a 30W experimental prototype with output voltage range 5V∼15V is designed to verify the feasibility of the proposed controller. The maximum efficiency reaches 84.5% and the ligh load efficiency at 0.5W is 71%.","PeriodicalId":201289,"journal":{"name":"2017 IEEE Applied Power Electronics Conference and Exposition (APEC)","volume":"78 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2017-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"A new adaptive output voltage controller for fast battery charger\",\"authors\":\"Kai-Hui Chen, Tsomg-Juu Liang, Bin-Kun Huang\",\"doi\":\"10.1109/APEC.2017.7931176\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A new adaptive output voltage controller for fast battery charger method is proposed in this paper. The charging power demanded is increased with larger battery capacity to shorten the charging time. To overcome the longer charging time with the constant voltage charger, the charging power may vary from high power to low power for the fast battery charger to shorten the battery charging time. In this paper a new adaptive output voltage control circuit is proposed. And the conversion efficiency of flyback converter under various power conditions is analyzed. Then the output voltage of flyback converter is controlled with the output power level to maintain high efficiency power conversion to achieve fast battery charging and higher efficiency. Finally, a 30W experimental prototype with output voltage range 5V∼15V is designed to verify the feasibility of the proposed controller. The maximum efficiency reaches 84.5% and the ligh load efficiency at 0.5W is 71%.\",\"PeriodicalId\":201289,\"journal\":{\"name\":\"2017 IEEE Applied Power Electronics Conference and Exposition (APEC)\",\"volume\":\"78 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2017-05-17\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2017 IEEE Applied Power Electronics Conference and Exposition (APEC)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/APEC.2017.7931176\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2017 IEEE Applied Power Electronics Conference and Exposition (APEC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/APEC.2017.7931176","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A new adaptive output voltage controller for fast battery charger
A new adaptive output voltage controller for fast battery charger method is proposed in this paper. The charging power demanded is increased with larger battery capacity to shorten the charging time. To overcome the longer charging time with the constant voltage charger, the charging power may vary from high power to low power for the fast battery charger to shorten the battery charging time. In this paper a new adaptive output voltage control circuit is proposed. And the conversion efficiency of flyback converter under various power conditions is analyzed. Then the output voltage of flyback converter is controlled with the output power level to maintain high efficiency power conversion to achieve fast battery charging and higher efficiency. Finally, a 30W experimental prototype with output voltage range 5V∼15V is designed to verify the feasibility of the proposed controller. The maximum efficiency reaches 84.5% and the ligh load efficiency at 0.5W is 71%.
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