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Paper Abstract and Keywords
Presentation 2018-10-03 11:05
Bidirectional DCDC Converter Using Multistage Bootstrap Driving technique
Yuki Ishikura, Tatsuya Hosotani (Murata), Masayoshi Yamamoto (Nagoya Univ.) EE2018-18
Abstract (in Japanese) (See Japanese page) 
(in English) This paper presents a bidirectional DCDC converter using by multistage bootstrap driving technique. The proposed driving technique can drive series connected FETs from the low side power supply without any floating power supplies and high-voltage process IC. By using the figure of merit which can estimate converter losses from the specifications of power device, and we show the usefulness of the proposed configuration which using Si-FET instead of SiC-FET. The experimental results have proven that the bidirectional DCDC converter by using the proposed technique can achieve 98% or more power conversion efficiency from 170 W to 1000 W of power range, and a maximum power conversion efficiency of 99.2%.
Keyword (in Japanese) (See Japanese page) 
(in English) Multi- bootstrap driving circuit / Series connection / Bidirectional DCDC converter / / / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 226, EE2018-18, pp. 1-6, Oct. 2018.
Paper # EE2018-18 
Date of Issue 2018-09-26 (EE) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 EE2018-18

Conference Information
Committee WPT EE  
Conference Date 2018-10-03 - 2018-10-04 
Place (in Japanese) (See Japanese page) 
Place (in English) Kyoto Univ. Uji Campus 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Power conversion, Wireless power transfer, others 
Paper Information
Registration To EE 
Conference Code 2018-10-WPT-EE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Bidirectional DCDC Converter Using Multistage Bootstrap Driving technique 
Sub Title (in English)  
Keyword(1) Multi- bootstrap driving circuit  
Keyword(2) Series connection  
Keyword(3) Bidirectional DCDC converter  
1st Author's Name Yuki Ishikura  
1st Author's Affiliation Murata Manufacturing Co., Ltd. (Murata)
2nd Author's Name Tatsuya Hosotani  
2nd Author's Affiliation Murata Manufacturing Co., Ltd. (Murata)
3rd Author's Name Masayoshi Yamamoto  
3rd Author's Affiliation Nagoya University (Nagoya Univ.)
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Speaker Author-1 
Date Time 2018-10-03 11:05:00 
Presentation Time 20 minutes 
Registration for EE 
Paper # EE2018-18 
Volume (vol) vol.118 
Number (no) no.226 
Page pp.1-6 
Date of Issue 2018-09-26 (EE) 

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