{"title":"Power loss formula for impedance matching circuits dedicated to wireless power transfer","authors":"Kyohei Yamada, N. Sakai, T. Ohira","doi":"10.1109/RFIT.2015.7377937","DOIUrl":null,"url":null,"abstract":"To design high efficiency WPT systems, we formulate the insertion loss in an L-shaped lumped-constant two-element matching circuit in terms of the elements' quality factors and the input/output impedances which are complex impedances rather than mere resistances. The derived formula is explicit, and thus enables analytical design of high-efficiency matching circuits with a clear perspective. Some analysis examples by the formula are also given, which reveal interesting facts.","PeriodicalId":422369,"journal":{"name":"2015 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2015-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2015 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/RFIT.2015.7377937","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 2
Abstract
To design high efficiency WPT systems, we formulate the insertion loss in an L-shaped lumped-constant two-element matching circuit in terms of the elements' quality factors and the input/output impedances which are complex impedances rather than mere resistances. The derived formula is explicit, and thus enables analytical design of high-efficiency matching circuits with a clear perspective. Some analysis examples by the formula are also given, which reveal interesting facts.
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