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Paper Abstract and Keywords
Presentation 2019-10-09 14:10
Maximum Power Efficiency of Matching Circuits Formulated from TX-RX Symmetric Shape Electric and Magnetic Coupler Size for Wireless Power Transfer
Hikaru Kitaoka, Shinji Abe, Satoshi Tsukamoto, Takashi Ohira (Toyohashi Univ. Tech.) WPT2019-33
Abstract (in Japanese) (See Japanese page) 
(in English) We are interested in minimum size design of capacitive coupler for wireless power transfer. When we reduce the size of the coupler, the performance of the coupler itself changes, and the matching circuit also becomes changes. As a result, the loss of the matching circuit may increase. However, it is difficult for us to perform optimal design because many designs need to be analyzed. Therefore, we formulate between coupler size and power efficiency relation. We characterize power efficiency taking the loss of two-port matching circuits into account. Using the deduced formula, we can design necessary and sufficient dimension of the coupler to achieve specified power efficiency. The result of this work is useful for designing capacitive coupler for use in lightweight crafts such as small drones.
Keyword (in Japanese) (See Japanese page) 
(in English) wireless power transfer / electric coupling / magnetic coupling / coupler / matching circuit / minimum size / power efficiency / design criterion  
Reference Info. IEICE Tech. Rep., vol. 119, no. 218, WPT2019-33, pp. 37-42, Oct. 2019.
Paper # WPT2019-33 
Date of Issue 2019-10-02 (WPT) 
ISSN Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF WPT2019-33

Conference Information
Committee WPT EE  
Conference Date 2019-10-09 - 2019-10-10 
Place (in Japanese) (See Japanese page) 
Place (in English) Ryukoku Extension Center, Ryukoku University 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To WPT 
Conference Code 2019-10-WPT-EE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Maximum Power Efficiency of Matching Circuits Formulated from TX-RX Symmetric Shape Electric and Magnetic Coupler Size for Wireless Power Transfer 
Sub Title (in English)  
Keyword(1) wireless power transfer  
Keyword(2) electric coupling  
Keyword(3) magnetic coupling  
Keyword(4) coupler  
Keyword(5) matching circuit  
Keyword(6) minimum size  
Keyword(7) power efficiency  
Keyword(8) design criterion  
1st Author's Name Hikaru Kitaoka  
1st Author's Affiliation Toyohashi University of Technology (Toyohashi Univ. Tech.)
2nd Author's Name Shinji Abe  
2nd Author's Affiliation Toyohashi University of Technology (Toyohashi Univ. Tech.)
3rd Author's Name Satoshi Tsukamoto  
3rd Author's Affiliation Toyohashi University of Technology (Toyohashi Univ. Tech.)
4th Author's Name Takashi Ohira  
4th Author's Affiliation Toyohashi University of Technology (Toyohashi Univ. Tech.)
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Speaker Author-1 
Date Time 2019-10-09 14:10:00 
Presentation Time 20 minutes 
Registration for WPT 
Paper # WPT2019-33 
Volume (vol) vol.119 
Number (no) no.218 
Page pp.37-42 
#Pages 6 
Date of Issue 2019-10-02 (WPT) 

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