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Paper Abstract and Keywords
Presentation 2014-01-23 15:45
A Characteristic of the Parallel Operation for LLC Current-Mode Resonant Converters in High-Voltage DC Power Distribution Systems
Yosuke Mine, Yoichi Ishizuka, Kazuhide Domoto (Nagasaki Univ.), Seiya Abe, Tamotsu Ninomiya (ICSEAD) EE2013-36
Abstract (in Japanese) (See Japanese page) 
(in English) Recently, power consumption of data center is increasing with the increasing of information and communication traffic. As the result, the power consumption at data centers is rapidly increased. Therefore, the High-Voltage DC(HDVC) power distribution system is examined for saving power consumption at data centers. Here, it is assumed that a high-efficiency, high-power-density DC-DC converter is used in the input rectifier stage of an HVDC power supply system. This paper presents a scheme of the usage of an LLC current-mode resonant converter as the high-efficiency, high-power-density DC-DC converter mentioned above. However, at higher power capacity, the power efficiency deteriorates due to higher peak current, and it is difficult to fabricate a higher-power converter as a single body. In this paper, multiple LLC current resonant converters of 1 to 2kW are connected in parallel in order to increase the total power. The research target of this paper is to analyze the parallel operation of multiple LLC resonant converters with dynamic and load characteristic.
Keyword (in Japanese) (See Japanese page) 
(in English) HVDC power distribution system / LLC current-mode resonant converter / soft switching / high efficiency / / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 392, EE2013-36, pp. 31-36, Jan. 2014.
Paper # EE2013-36 
Date of Issue 2014-01-16 (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 EE2013-36

Conference Information
Committee EE  
Conference Date 2014-01-23 - 2014-01-24 
Place (in Japanese) (See Japanese page) 
Place (in English) MIYAZAKI KANKO HOTEL 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EE 
Conference Code 2014-01-EE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Characteristic of the Parallel Operation for LLC Current-Mode Resonant Converters in High-Voltage DC Power Distribution Systems 
Sub Title (in English)  
Keyword(1) HVDC power distribution system  
Keyword(2) LLC current-mode resonant converter  
Keyword(3) soft switching  
Keyword(4) high efficiency  
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1st Author's Name Yosuke Mine  
1st Author's Affiliation Nagasaki University (Nagasaki Univ.)
2nd Author's Name Yoichi Ishizuka  
2nd Author's Affiliation Nagasaki University (Nagasaki Univ.)
3rd Author's Name Kazuhide Domoto  
3rd Author's Affiliation Nagasaki University (Nagasaki Univ.)
4th Author's Name Seiya Abe  
4th Author's Affiliation International Centre for the Study of East Asian Development (ICSEAD)
5th Author's Name Tamotsu Ninomiya  
5th Author's Affiliation International Centre for the Study of East Asian Development (ICSEAD)
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Speaker Author-1 
Date Time 2014-01-23 15:45:00 
Presentation Time 25 minutes 
Registration for EE 
Paper # EE2013-36 
Volume (vol) vol.113 
Number (no) no.392 
Page pp.31-36 
#Pages 6 
Date of Issue 2014-01-16 (EE) 

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