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| Presentation | 2022-03-10 16:20 LLC Resonant Converter with Current Doubler Rectifier Circuit Using Leakage Inductance of Coupled Inductor Akito Tabata, Yoichi Isizuka (Nagasaki Univ.)  EE2021-58 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | LLC resonant converters can achieve high power density and high power efficiency, and are widely used in many applications. In high-current applications, the copper loss of the transformer and the loss of the rectifier circuit become large problems. By adopting a current doubler rectifier circuit, the secondary current of the transformer can be halved and the copper loss can be reduced. However, the leakage inductance of the coupled inductor, which is a component of the current doubler rectifier circuit, affects the resonant tank. This paper proposes an LLC resonant converter that uses the leakage inductance of the coupled inductor for the resonance of the primary side, which is an unconventional resonance method. In addition, a 200 kHz / 600 W prototype circuit was verified to demonstrate high power efficiency of 1.65% at 10A load current compared to the conventional center tap rectification method. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | LLC / LLC DC-DC converter / resonant converter / current doubler rectifier circuit / copper loss / coupled inductor / / | |
| Reference Info. | IEICE Tech. Rep., vol. 121, no. 432, EE2021-58, pp. 35-40, March 2022. | |
| Paper # | EE2021-58 | |
| Date of Issue | 2022-03-03 (EE) | |
| ISSN | 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 | EE2021-58 |
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| Conference Information | |
| Committee | EE IEE-SPC |
| Conference Date | 2022-03-10 - 2022-03-10 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | EE |
| Conference Code | 2022-03-EE-SPC |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | LLC Resonant Converter with Current Doubler Rectifier Circuit Using Leakage Inductance of Coupled Inductor |
| Sub Title (in English) | |
| Keyword(1) | LLC |
| Keyword(2) | LLC DC-DC converter |
| Keyword(3) | resonant converter |
| Keyword(4) | current doubler rectifier circuit |
| Keyword(5) | copper loss |
| Keyword(6) | coupled inductor |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Akito Tabata |
| 1st Author's Affiliation | Nagasaki University (Nagasaki Univ.) |
| 2nd Author's Name | Yoichi Isizuka |
| 2nd Author's Affiliation | Nagasaki University (Nagasaki Univ.) |
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| Speaker | Author-1 |
| Date Time | 2022-03-10 16:20:00 |
| Presentation Time | 25 minutes |
| Registration for | EE |
| Paper # | EE2021-58 |
| Volume (vol) | vol.121 |
| Number (no) | no.432 |
| Page | pp.35-40 |
| #Pages | 6 |
| Date of Issue | 2022-03-03 (EE) |
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