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Paper Abstract and Keywords
Presentation 2019-03-07 15:20
Efficiency Improvement of Bi-directional Inductive Power Transfer System by Adjusting The Length of Dead Time
Ryosuke Ota, Nobukazu Hoshi (TUS) EE2018-60
Abstract (in Japanese) (See Japanese page) 
(in English) There is a case that snubber capacitors are connected in parallel to switching devices for applying soft switching technique to inductive power transfer (IPT) systems. In this case, loss is caused by the wasteful freewheeling current during the dead-time when the dead-time length is not set to the appropriate value at the operating condition and to the capacitance of snubber capacitors. However, in most of the conventional systems, the dead-time length is constant. The reason is that the relationship between the dead-time length required for switching and the IPT systems has not been clarified. Therefore, in this paper, this relationship is clarified. In addition, the adjustment method for the dead-time length is proposed and the efficiency of the system is improved. As a result, by applying the proposed method, the efficiency of the system was improved by 0.7 pt in the experiments.
Keyword (in Japanese) (See Japanese page) 
(in English) Bi-directional / Wireless power transfer / Efficiency improvement / Dead-time / Gate driver / Soft switching / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 482, EE2018-60, pp. 13-18, March 2019.
Paper # EE2018-60 
Date of Issue 2019-02-28 (EE) 
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 EE2018-60

Conference Information
Committee EE IEE-SPC  
Conference Date 2019-03-07 - 2019-03-08 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EE 
Conference Code 2019-03-EE-SPC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Efficiency Improvement of Bi-directional Inductive Power Transfer System by Adjusting The Length of Dead Time 
Sub Title (in English)  
Keyword(1) Bi-directional  
Keyword(2) Wireless power transfer  
Keyword(3) Efficiency improvement  
Keyword(4) Dead-time  
Keyword(5) Gate driver  
Keyword(6) Soft switching  
Keyword(7)  
Keyword(8)  
1st Author's Name Ryosuke Ota  
1st Author's Affiliation Tokyo University of Science (TUS)
2nd Author's Name Nobukazu Hoshi  
2nd Author's Affiliation Tokyo University of Science (TUS)
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Speaker Author-1 
Date Time 2019-03-07 15:20:00 
Presentation Time 20 minutes 
Registration for EE 
Paper # EE2018-60 
Volume (vol) vol.118 
Number (no) no.482 
Page pp.13-18 
#Pages 6 
Date of Issue 2019-02-28 (EE) 

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