{"title":"电动汽车微波无线传输r类整流器的研制","authors":"Koki Miwatashi, N. Shinohara","doi":"10.1109/WPTC51349.2021.9457968","DOIUrl":null,"url":null,"abstract":"EV trucks are effective means for solving environmental problems. Microwave wireless power transmission (MWPT) solves the problems with large capacity batteries in EV trucks. MWPT present automatic car charging for moving car systems. We are focusing on rectifiers used in the receiving units of the new MWPT system. Their rectifiers should be small and high rf-dc conversion efficiency enough for installing to the EV trucks. The limitation output power is 8.7 W or more within 50 mm square. We design a 5.8 GHz single-shunt rectifier with Class-R filter which satisfies the desired requirements by using numerical simulations. The Class-R filter is a novel output filter developed in recent years, and is used in amplifiers. We achieve the size reduction and improvement of efficiency of the rectifier by this filter. The simulation result shows the maximum rf-dc conversion efficiency of 87.1 % and 16.8 W within 50 mm square.","PeriodicalId":130306,"journal":{"name":"2021 IEEE Wireless Power Transfer Conference (WPTC)","volume":"114 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2021-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"Development of Class-R Rectifier for Microwave Wireless Power Transmission to EV trucks\",\"authors\":\"Koki Miwatashi, N. Shinohara\",\"doi\":\"10.1109/WPTC51349.2021.9457968\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"EV trucks are effective means for solving environmental problems. Microwave wireless power transmission (MWPT) solves the problems with large capacity batteries in EV trucks. MWPT present automatic car charging for moving car systems. We are focusing on rectifiers used in the receiving units of the new MWPT system. Their rectifiers should be small and high rf-dc conversion efficiency enough for installing to the EV trucks. The limitation output power is 8.7 W or more within 50 mm square. We design a 5.8 GHz single-shunt rectifier with Class-R filter which satisfies the desired requirements by using numerical simulations. The Class-R filter is a novel output filter developed in recent years, and is used in amplifiers. We achieve the size reduction and improvement of efficiency of the rectifier by this filter. The simulation result shows the maximum rf-dc conversion efficiency of 87.1 % and 16.8 W within 50 mm square.\",\"PeriodicalId\":130306,\"journal\":{\"name\":\"2021 IEEE Wireless Power Transfer Conference (WPTC)\",\"volume\":\"114 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2021-06-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2021 IEEE Wireless Power Transfer Conference (WPTC)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/WPTC51349.2021.9457968\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2021 IEEE Wireless Power Transfer Conference (WPTC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/WPTC51349.2021.9457968","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Development of Class-R Rectifier for Microwave Wireless Power Transmission to EV trucks
EV trucks are effective means for solving environmental problems. Microwave wireless power transmission (MWPT) solves the problems with large capacity batteries in EV trucks. MWPT present automatic car charging for moving car systems. We are focusing on rectifiers used in the receiving units of the new MWPT system. Their rectifiers should be small and high rf-dc conversion efficiency enough for installing to the EV trucks. The limitation output power is 8.7 W or more within 50 mm square. We design a 5.8 GHz single-shunt rectifier with Class-R filter which satisfies the desired requirements by using numerical simulations. The Class-R filter is a novel output filter developed in recent years, and is used in amplifiers. We achieve the size reduction and improvement of efficiency of the rectifier by this filter. The simulation result shows the maximum rf-dc conversion efficiency of 87.1 % and 16.8 W within 50 mm square.
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