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Paper Abstract and Keywords
Presentation 2011-10-07 16:25
Efficiency and stand by power of wireless energy transfer system
Hideaki Abe, Kaoru Furukawa, Futoshi Nishimura, Tomohiro Ota, Hiroyasu Kitamura (Panasonic Electric Works) EE2011-23
Abstract (in Japanese) (See Japanese page) 
(in English) Wireless energy transmission technique, which is the transmission of electrical energy from a power source to an electrical load without interconnecting conductors, is attracting attention as improvement of convenience. A short-distance wireless charging system of low power becomes widely used in the market, and a middle- or a long-distance wireless transmission technique with resonant coupling has been developed toward high power. With wireless energy transfer, efficiency and standby energy are more significant problems. Efficiency of wireless energy transfer by electromagnetic induction can be improved close to a high-frequency inverter system such as switching power supply through system design with emphasis on efficiency. In this paper, we describe an efficiency characteristic of wireless energy transfer and a difference between switching power supply and wireless energy transfer. It is shown that wireless energy transfer can be obtained the high efficiency of more than 80 percent through the measured results in kHz and MHz range. Furthermore, approach to reducing standby energy is described briefly.
Keyword (in Japanese) (See Japanese page) 
(in English) Wireless energy transfer / Magnetic coupled / Total efficiency / Transmission efficiency / Magnetic resonance / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 223, EE2011-23, pp. 31-36, Oct. 2011.
Paper # EE2011-23 
Date of Issue 2011-09-30 (EE) 
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 EE2011-23

Conference Information
Committee EE  
Conference Date 2011-10-07 - 2011-10-07 
Place (in Japanese) (See Japanese page) 
Place (in English) Makuhari-Messe 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EE 
Conference Code 2011-10-EE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Efficiency and stand by power of wireless energy transfer system 
Sub Title (in English)  
Keyword(1) Wireless energy transfer  
Keyword(2) Magnetic coupled  
Keyword(3) Total efficiency  
Keyword(4) Transmission efficiency  
Keyword(5) Magnetic resonance  
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1st Author's Name Hideaki Abe  
1st Author's Affiliation Panasonic Electric Works Co.,Ltd (Panasonic Electric Works)
2nd Author's Name Kaoru Furukawa  
2nd Author's Affiliation Panasonic Electric Works Co.,Ltd (Panasonic Electric Works)
3rd Author's Name Futoshi Nishimura  
3rd Author's Affiliation Panasonic Electric Works Co.,Ltd (Panasonic Electric Works)
4th Author's Name Tomohiro Ota  
4th Author's Affiliation Panasonic Electric Works Co.,Ltd (Panasonic Electric Works)
5th Author's Name Hiroyasu Kitamura  
5th Author's Affiliation Panasonic Electric Works Co.,Ltd (Panasonic Electric Works)
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Speaker Author-1 
Date Time 2011-10-07 16:25:00 
Presentation Time 25 minutes 
Registration for EE 
Paper # EE2011-23 
Volume (vol) vol.111 
Number (no) no.223 
Page pp.31-36 
#Pages 6 
Date of Issue 2011-09-30 (EE) 

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