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Paper Abstract and Keywords
Presentation 2015-07-07 14:00
A Comprehensive Design Method of Inductively Coupled Wireless PowerTransfer System for Maximizing Overall Efficiency
Takumi Noda, Tomoharu Nagashima, Hiroo Sekiya (Chiba Univ.) WPT2015-41
Abstract (in Japanese) (See Japanese page) 
(in English) For development of inductive coupling wireless power transfer (WPT) systems, it is important to consider a overall efficiency of the WPT systems, where the overall efficiency is expressed as the product of the transmission efficiency of transformer and the power-conversion efficiency of power converters. Additionally, there are mutual dependencies between magnetic-component parameters and power-converter ones. Therefore, it is necessary to carry out comprehensive designs of the WPT systems for maximizing the overall efficiency.
This paper presents a design method of inductively coupled WPT systems for maximizing the overall efficiency under speci ed physical conditions. By combining design equations of WPT system with the class-E switching converters and theoretical formulas of magnetic-component design, the WPT system for maximizing the overall efficiency can be designed. Circuit experiments showed the validity and usefulness of the proposed design method.
Keyword (in Japanese) (See Japanese page) 
(in English) inductively coupled wireless power transfer / overall efficiency / class-E switching / self inductance / coupling coefficient / equivalent series resistance / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 129, WPT2015-41, pp. 31-36, July 2015.
Paper # WPT2015-41 
Date of Issue 2015-06-29 (WPT) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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)
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Conference Information
Committee EE WPT IEE-SPC  
Conference Date 2015-07-06 - 2015-07-07 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To WPT 
Conference Code 2015-07-EE-WPT-SPC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Comprehensive Design Method of Inductively Coupled Wireless PowerTransfer System for Maximizing Overall Efficiency 
Sub Title (in English)  
Keyword(1) inductively coupled wireless power transfer  
Keyword(2) overall efficiency  
Keyword(3) class-E switching  
Keyword(4) self inductance  
Keyword(5) coupling coefficient  
Keyword(6) equivalent series resistance  
1st Author's Name Takumi Noda  
1st Author's Affiliation Chiba University (Chiba Univ.)
2nd Author's Name Tomoharu Nagashima  
2nd Author's Affiliation Chiba University (Chiba Univ.)
3rd Author's Name Hiroo Sekiya  
3rd Author's Affiliation Chiba University (Chiba Univ.)
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Date Time 2015-07-07 14:00:00 
Presentation Time 30 
Registration for WPT 
Paper # IEICE-WPT2015-41 
Volume (vol) IEICE-115 
Number (no) no.129 
Page pp.31-36 
#Pages IEICE-6 
Date of Issue IEICE-WPT-2015-06-29 

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