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| Presentation | 2014-11-18 13:00 A study of low loss design technique for planar transformer in high frequency isolated DC-DC converter Yudai Mizoguchi, Akinori Hariya, Yoichi Ishizuka (Nagasaki Univ.), Ken Matsuura (TDK), Satoshi Tomioka (TDK-Lambda), Tamotsu Ninomiya (AGI)  EE2014-21 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In this paper, in order to optimize winding structure of planar transformer in 5MHz LLC resonant converter, the planar transformer of the three type winding structure having a leakage inductance is considered, and these planar transformers are simulated by using the electromagnetic field simulation Maxwell 3D. Power efficiency and transformer power loss are compared in the load range of 1-10A by circuit analysis simulator using the parameters obtained in the electromagnetic field analysis simulator. LLC resonant converter mounted on planar transformer of winding structure which circuit power efficiency is maximized over a wide load range is experimented. The specifications of the converter are 48V of input voltage, 12V of output voltage, 120W of output power, 5MHz of switching frequency. As a result, 90.8% maximum efficiency and 15.05cm3 volumes LLC resonant converter can be realized. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Planar Transformer / winding structure / LLC resonant converter / 5MHz / leakage inductance / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 114, no. 309, EE2014-21, pp. 13-18, Nov. 2014. | |
| Paper # | EE2014-21 | |
| Date of Issue | 2014-11-11 (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 | EE2014-21 |
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| Conference Information | |
| Committee | EE WPT |
| Conference Date | 2014-11-18 - 2014-11-19 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Doshisha University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | EE |
| Conference Code | 2014-11-EE-WPT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A study of low loss design technique for planar transformer in high frequency isolated DC-DC converter |
| Sub Title (in English) | |
| Keyword(1) | Planar Transformer |
| Keyword(2) | winding structure |
| Keyword(3) | LLC resonant converter |
| Keyword(4) | 5MHz |
| Keyword(5) | leakage inductance |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Yudai Mizoguchi |
| 1st Author's Affiliation | Nagasaki University (Nagasaki Univ.) |
| 2nd Author's Name | Akinori Hariya |
| 2nd Author's Affiliation | Nagasaki University (Nagasaki Univ.) |
| 3rd Author's Name | Yoichi Ishizuka |
| 3rd Author's Affiliation | Nagasaki University (Nagasaki Univ.) |
| 4th Author's Name | Ken Matsuura |
| 4th Author's Affiliation | TDK Corporation (TDK) |
| 5th Author's Name | Satoshi Tomioka |
| 5th Author's Affiliation | TDK-Lambda Corporation (TDK-Lambda) |
| 6th Author's Name | Tamotsu Ninomiya |
| 6th Author's Affiliation | Asian Growth Research Institute (AGI) |
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| Speaker | Author-1 |
| Date Time | 2014-11-18 13:00:00 |
| Presentation Time | 25 minutes |
| Registration for | EE |
| Paper # | EE2014-21 |
| Volume (vol) | vol.114 |
| Number (no) | no.309 |
| Page | pp.13-18 |
| #Pages | 6 |
| Date of Issue | 2014-11-11 (EE) |
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