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Paper Abstract and Keywords
Presentation 2022-03-10 15:55
Guidelines for Selecting Operation Modes of Soft-switching Active Bridge Converters for Inductive Power Transfer obtaining Higher Efficiency
Ryohei Okada, Ryosuke Ota, Nobukazu Hoshi (Tokyo Univ. Sci.) EE2021-57
Abstract (in Japanese) (See Japanese page) 
(in English) In order to increase the output capacity of the inductive power transfer (IPT) system for electric vehicles, a reduction of the electromagnetic noise and efficiency improvement are required.
To address these challenges, a soft-switching active bridge (SAB) converter has been proposed.
In the previous research, characteristics of the half-bridge operation mode have not been revealed, though those of the full-bridge operation mode have been discussed.
In this paper, the half-bridge operation in the SAB converter is investigated by theoretical analyses and experiments, and a guideline for selecting the operation mode to improve efficiency is shown.
The experimental results showed that the whole system efficiency could be improved over wider operation range by controlling the system according to the guideline.
Especially, the efficiency was improved by 0.8 points at 1.5 kW charging and by 2.8 points at 1.0 kW charging.
Keyword (in Japanese) (See Japanese page) 
(in English) Bi-directional / Wireless power transfer / Efficiency improvement / Electric vehicle / Soft switching / Converter / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 432, EE2021-57, pp. 29-34, March 2022.
Paper # EE2021-57 
Date of Issue 2022-03-03 (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 EE2021-57

Conference Information
Committee EE IEE-SPC  
Conference Date 2022-03-10 - 2022-03-10 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EE 
Conference Code 2022-03-EE-SPC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Guidelines for Selecting Operation Modes of Soft-switching Active Bridge Converters for Inductive Power Transfer obtaining Higher Efficiency 
Sub Title (in English)  
Keyword(1) Bi-directional  
Keyword(2) Wireless power transfer  
Keyword(3) Efficiency improvement  
Keyword(4) Electric vehicle  
Keyword(5) Soft switching  
Keyword(6) Converter  
Keyword(7)  
Keyword(8)  
1st Author's Name Ryohei Okada  
1st Author's Affiliation Tokyo University of Science (Tokyo Univ. Sci.)
2nd Author's Name Ryosuke Ota  
2nd Author's Affiliation Tokyo University of Science (Tokyo Univ. Sci.)
3rd Author's Name Nobukazu Hoshi  
3rd Author's Affiliation Tokyo University of Science (Tokyo Univ. Sci.)
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Speaker Author-1 
Date Time 2022-03-10 15:55:00 
Presentation Time 25 minutes 
Registration for EE 
Paper # EE2021-57 
Volume (vol) vol.121 
Number (no) no.432 
Page pp.29-34 
#Pages 6 
Date of Issue 2022-03-03 (EE) 

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