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Paper Abstract and Keywords
Presentation 2009-11-27 14:00
Method to change autonomously the number of multiple DC-DC converters
Masayuki Yamadaya (Fuji Electric Device Systems/Nagasaki Univ.), Hirofumi Matsuo (Nagasaki Univ.) EE2009-35
Abstract (in Japanese) (See Japanese page) 
(in English) A control method to change autonomously the number of parallel driven DC-DC converter is proposed. In order to improve efficiency, the number of parallel driven converters is dynamically changed for the variations of the load current. The power loss of each converter can be approximated to the quadratic function of the load current and the parameters of the converter. The total power loss can be calculated by the number of parallel driven converters and the power loss function. The changing point of the load current is calculated by the intersection of the efficiency functions before and after changing the number of the converters.
Keyword (in Japanese) (See Japanese page) 
(in English) DC-DC converter / parallel drive / efficiency optimization / quadratic function / / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 310, EE2009-35, pp. 37-41, Nov. 2009.
Paper # EE2009-35 
Date of Issue 2009-11-20 (EE) 
ISSN Print edition: ISSN 0913-5685    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 EE2009-35

Conference Information
Committee EE  
Conference Date 2009-11-27 - 2009-11-27 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EE 
Conference Code 2009-11-EE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Method to change autonomously the number of multiple DC-DC converters 
Sub Title (in English)  
Keyword(1) DC-DC converter  
Keyword(2) parallel drive  
Keyword(3) efficiency optimization  
Keyword(4) quadratic function  
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1st Author's Name Masayuki Yamadaya  
1st Author's Affiliation Fuji Electric Systems Co., Ltd./Nagasaki University (Fuji Electric Device Systems/Nagasaki Univ.)
2nd Author's Name Hirofumi Matsuo  
2nd Author's Affiliation Nagasaki University (Nagasaki Univ.)
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Speaker Author-1 
Date Time 2009-11-27 14:00:00 
Presentation Time 30 minutes 
Registration for EE 
Paper # EE2009-35 
Volume (vol) vol.109 
Number (no) no.310 
Page pp.37-41 
#Pages 5 
Date of Issue 2009-11-20 (EE) 

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