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Paper Abstract and Keywords
Presentation 2014-04-18 14:50
A Novel Mirror Symmetry Constructible Class-E Direct-Current-Resonance Bi-directional Wireless Power Transfer System
Tatsuya Hosotani (Murata Mfg.) WPT2014-20 SCE2014-20 MW2014-20
Abstract (in Japanese) (See Japanese page) 
(in English) A novel mirror symmetry constructible class-E direct-current-resonance bi-directional wireless power transfer system is proposed. A direct-current resonance system is an energy conversion system which makes the electromagnetic resonance field from a direct current and uses a resonance field with an electromagnetic interaction. By mirror symmetry construction, unit equipment can be alternatively used as a power transmitter, a power resonator, and a power receiver. A new technique called the periodic state dividing method is proposed in order to analyze energy conversion operation. We model the resonance field into a multi energy circuit, show formula general solutions by a transient-phenomenon theory, and prove that a superposition principle is realized. The flow of the electric power in space is considered using a Poynting vector. The experiment and the analysis waveforms are well in agreement. In the experiment, the optimum ZVS operation attains 70.6% of maximum efficiency, and the maximum power 43.8W.
Keyword (in Japanese) (See Japanese page) 
(in English) Direct-current-resonance / Mirror symmetry construction / Electromagnetic resonance field / Zero voltage switching / / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 9, WPT2014-20, pp. 103-108, April 2014.
Paper # WPT2014-20 
Date of Issue 2014-04-10 (WPT, SCE, MW) 
ISSN Print edition: ISSN 0913-5685    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 WPT2014-20 SCE2014-20 MW2014-20

Conference Information
Committee MW SCE WPT  
Conference Date 2014-04-17 - 2014-04-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Microwave technologies for Wireless Power Transfer, Superconducting Microwave technologies, Microwave technologies, etc. 
Paper Information
Registration To WPT 
Conference Code 2014-04-MW-SCE-WPT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Novel Mirror Symmetry Constructible Class-E Direct-Current-Resonance Bi-directional Wireless Power Transfer System 
Sub Title (in English)  
Keyword(1) Direct-current-resonance  
Keyword(2) Mirror symmetry construction  
Keyword(3) Electromagnetic resonance field  
Keyword(4) Zero voltage switching  
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1st Author's Name Tatsuya Hosotani  
1st Author's Affiliation Murata Manufacturing Co., Ltd. (Murata Mfg.)
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Speaker Author-1 
Date Time 2014-04-18 14:50:00 
Presentation Time 25 minutes 
Registration for WPT 
Paper # WPT2014-20, SCE2014-20, MW2014-20 
Volume (vol) vol.114 
Number (no) no.9(WPT), no.10(SCE), no.11(MW) 
Page pp.103-108 
#Pages 6 
Date of Issue 2014-04-10 (WPT, SCE, MW) 

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