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Paper Abstract and Keywords
Presentation 2008-07-24 13:50
Output Choke-less Voltage-Clamped ZVS Converter using a Integrated Magnetic Transformer
Hideki Ito (Doshisha Univ.), Tatsuya Hosotani (Murata Manufacturing Co.), Koji Fujiwara, Yoshiyuki Ishihara, Toshiyuki Todaka (Doshisha Univ.) EE2008-14
Abstract (in Japanese) (See Japanese page) 
(in English) We propose a novel ZVS converter with an integrated magnetic transformer. This converter is able to transmit energy from primary circuit to secondary circuit during both on-period and off-period by using a new rectification circuit. In this rectification circuit, several voltages generated in some windings of transformer with different magnetic polarity are added and output voltage, and the leakage inductance of transformer in secondary side is positively useful for smoothing output current. However, increase of output current by change of duty in case of small leakage inductance for a smoothing output current is problem. We study an integrated magnetic transformer with filtering function. In the experiments we obtained 93.0% efficiency under the condition of 12V/20A output. And maximum output 100A and 1031W with at 87.3% efficiency are achieved.
Keyword (in Japanese) (See Japanese page) 
(in English) Integrated magnetic transformer / Clumped voltage / Zero voltage switching / Energy transmission / / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 150, EE2008-14, pp. 13-18, July 2008.
Paper # EE2008-14 
Date of Issue 2008-07-17 (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)
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Conference Information
Committee EE  
Conference Date 2008-07-24 - 2008-07-25 
Place (in Japanese) (See Japanese page) 
Place (in English)  
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Paper Information
Registration To EE 
Conference Code 2008-07-EE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Output Choke-less Voltage-Clamped ZVS Converter using a Integrated Magnetic Transformer 
Sub Title (in English)  
Keyword(1) Integrated magnetic transformer  
Keyword(2) Clumped voltage  
Keyword(3) Zero voltage switching  
Keyword(4) Energy transmission  
1st Author's Name Hideki Ito  
1st Author's Affiliation Doshisha University (Doshisha Univ.)
2nd Author's Name Tatsuya Hosotani  
2nd Author's Affiliation Murata Manufacturing Co. (Murata Manufacturing Co.)
3rd Author's Name Koji Fujiwara  
3rd Author's Affiliation Doshisha University (Doshisha Univ.)
4th Author's Name Yoshiyuki Ishihara  
4th Author's Affiliation Doshisha University (Doshisha Univ.)
5th Author's Name Toshiyuki Todaka  
5th Author's Affiliation Doshisha University (Doshisha Univ.)
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Speaker Author-1 
Date Time 2008-07-24 13:50:00 
Presentation Time 25 minutes 
Registration for EE 
Paper # EE2008-14 
Volume (vol) vol.108 
Number (no) no.150 
Page pp.13-18 
Date of Issue 2008-07-17 (EE) 

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