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Paper Abstract and Keywords
Presentation 2014-06-06 16:45
Electromagnetic Field Suppression in Polyphase Wireless Power Transfer via Magnetic Resonance Coupling
Hiroki Narita, Takehiro Imura, Hiroshi Fujimoto, Yoichi Hori (Univ. of Tokyo) WPT2014-31
Abstract (in Japanese) (See Japanese page) 
(in English) It is expected that Wireless Power Transfer (WPT) can be a power feeding method where wiring is difficult.
The power transmitting distance is up to a few meter via Magnetic Resonance Coupling.
It is longer than the transmitting distance via conventional induction method,
However, effects of Electromagnetic Field (EMF) on organism and communication should be concerned.
Shielding the antennas for EMF leakage reduction conflicts long transmitting distance.
In this paper, we investigated symmetric N-phase WPT system as EMF leakage suppression in WPT.
We showed that the proposal method has about -20 dB EMF leakage suppression ability in theory and simulation, and about -10 dB EMF leakage suppression ability in experiment.
Keyword (in Japanese) (See Japanese page) 
(in English) Wireless Power Transfer (WPT) / Electromagnetic Compatibility (EMC) / Magnetic Resonance Coupling / Electromagnetic field leakage / Polyphase Current / 3-Phase Current / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 72, WPT2014-31, pp. 39-44, June 2014.
Paper # WPT2014-31 
Date of Issue 2014-05-30 (WPT) 
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 WPT2014-31

Conference Information
Committee WPT  
Conference Date 2014-06-06 - 2014-06-06 
Place (in Japanese) (See Japanese page) 
Place (in English) Univ. of Tokyo 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Wireless Power Transfer, etc 
Paper Information
Registration To WPT 
Conference Code 2014-06-WPT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Electromagnetic Field Suppression in Polyphase Wireless Power Transfer via Magnetic Resonance Coupling 
Sub Title (in English)  
Keyword(1) Wireless Power Transfer (WPT)  
Keyword(2) Electromagnetic Compatibility (EMC)  
Keyword(3) Magnetic Resonance Coupling  
Keyword(4) Electromagnetic field leakage  
Keyword(5) Polyphase Current  
Keyword(6) 3-Phase Current  
Keyword(7)  
Keyword(8)  
1st Author's Name Hiroki Narita  
1st Author's Affiliation The University of Tokyo (Univ. of Tokyo)
2nd Author's Name Takehiro Imura  
2nd Author's Affiliation The University of Tokyo (Univ. of Tokyo)
3rd Author's Name Hiroshi Fujimoto  
3rd Author's Affiliation The University of Tokyo (Univ. of Tokyo)
4th Author's Name Yoichi Hori  
4th Author's Affiliation The University of Tokyo (Univ. of Tokyo)
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Speaker Author-1 
Date Time 2014-06-06 16:45:00 
Presentation Time 25 minutes 
Registration for WPT 
Paper # WPT2014-31 
Volume (vol) vol.114 
Number (no) no.72 
Page pp.39-44 
#Pages 6 
Date of Issue 2014-05-30 (WPT) 

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