{"title":"1.7 kW 6.78 MHz Wireless Power Transfer with Air-Core Coils at 95.7% DC-DC Efficiency","authors":"Lei Gu, J. Rivas-Davila","doi":"10.1109/WPTC51349.2021.9458037","DOIUrl":null,"url":null,"abstract":"This paper describes the design and implementation of a 1.7 kW wireless power transfer system that operates at 6.78 MHz and uses low-cost air-core coils. The demonstration achieves a dc-dc efficiency of 95.7% at 1.7 kW and maintains above 93% efficiency between 100 W and 1.7 kW.","PeriodicalId":130306,"journal":{"name":"2021 IEEE Wireless Power Transfer Conference (WPTC)","volume":"99 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2021-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"11","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2021 IEEE Wireless Power Transfer Conference (WPTC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/WPTC51349.2021.9458037","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 11
Abstract
This paper describes the design and implementation of a 1.7 kW wireless power transfer system that operates at 6.78 MHz and uses low-cost air-core coils. The demonstration achieves a dc-dc efficiency of 95.7% at 1.7 kW and maintains above 93% efficiency between 100 W and 1.7 kW.
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