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Paper Abstract and Keywords
Presentation 2012-11-09 11:35
FFT Power Analysis of a Fixed-frequency Multi-Resonant Current ZVS Converter
Hajime Shiji, Tatsuya Hosotani (Murata) EE2012-24
Abstract (in Japanese) (See Japanese page) 
(in English) We proposed a power analysis method using FFT(Fast Fourier Transform), which is for current resonant converters. Target circuits are assumed to 3 parts which are a square wave source, a resonant circuit and a load circuit. Input voltage of a resonant circuit is defined as a square pulse and a discrete value. Output voltage of a load circuit can be calculated as a discrete value which is using FFT. Output power characteristics are calculated using a multi-resonant ZVS converter which is controlled by fixed-frequency. This method shows a power control of resonant converter by using on-time ratio control, and the result is compared with experimental results.
Keyword (in Japanese) (See Japanese page) 
(in English) FFT / Power analysis / Resonant Half Bridge Converter / Fixed-Frequency control / On-period Ratio Modulation / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 282, EE2012-24, pp. 19-24, Nov. 2012.
Paper # EE2012-24 
Date of Issue 2012-11-02 (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 EE2012-24

Conference Information
Committee EE WPT  
Conference Date 2012-11-08 - 2012-11-09 
Place (in Japanese) (See Japanese page) 
Place (in English)  
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Paper Information
Registration To EE 
Conference Code 2012-11-EE-WPT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) FFT Power Analysis of a Fixed-frequency Multi-Resonant Current ZVS Converter 
Sub Title (in English)  
Keyword(1) FFT  
Keyword(2) Power analysis  
Keyword(3) Resonant Half Bridge Converter  
Keyword(4) Fixed-Frequency control  
Keyword(5) On-period Ratio Modulation  
1st Author's Name Hajime Shiji  
1st Author's Affiliation Murata Manufacturing Co. (Murata)
2nd Author's Name Tatsuya Hosotani  
2nd Author's Affiliation Murata Manufacturing Co. (Murata)
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Date Time 2012-11-09 11:35:00 
Presentation Time 25 
Registration for EE 
Paper # IEICE-EE2012-24 
Volume (vol) IEICE-112 
Number (no) no.282 
Page pp.19-24 
#Pages IEICE-6 
Date of Issue IEICE-EE-2012-11-02 

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