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| Presentation | 2014-11-18 10:00 A Novel ZVS Class-D Direct-Current-Resonance Wireless Power Transfer with GaN FETs Operated in 6.78MHz Tatsuya Hosotani (Murata Manufacturing)  WPT2014-50 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | A novel ZVS class-D direct-current-resonance wireless power transfer with GaN FETs operated in 6.78MHz is proposed. A direct-current resonance system is an energy conversion system, which makes the electromagnetic resonance field from a direct current and uses a resonance field with an electromagnetic interaction. A new technique called the periodic state dividing method is proposed in order to analyze energy conversion operation. We clarify the system characteristics by use of the proposed unified analysis method for the resonance coupling. In order to reduce the power loss in the 3rd quadrant operation peculiar to GaN FET, the optimum ZVS operation technology with dead time adjustment technique is newly developed. In the experiment, the unprecedented, overwhelmingly high DC-DC power efficiency 89.5% and the output 22.4W are attained. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Direct-current-resonance / class-D / GaN FET / Resonance field / Zero voltage switching / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 114, no. 310, WPT2014-50, pp. 1-6, Nov. 2014. | |
| Paper # | WPT2014-50 | |
| Date of Issue | 2014-11-11 (WPT) | |
| 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 | WPT2014-50 |
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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 | WPT |
| 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 Novel ZVS Class-D Direct-Current-Resonance Wireless Power Transfer with GaN FETs Operated in 6.78MHz |
| Sub Title (in English) | |
| Keyword(1) | Direct-current-resonance |
| Keyword(2) | class-D |
| Keyword(3) | GaN FET |
| Keyword(4) | Resonance field |
| Keyword(5) | Zero voltage switching |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Tatsuya Hosotani |
| 1st Author's Affiliation | Murata Manufacturing Co. Ltd. (Murata Manufacturing) |
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| Speaker | Author-1 |
| Date Time | 2014-11-18 10:00:00 |
| Presentation Time | 25 minutes |
| Registration for | WPT |
| Paper # | WPT2014-50 |
| Volume (vol) | vol.114 |
| Number (no) | no.310 |
| Page | pp.1-6 |
| #Pages | 6 |
| Date of Issue | 2014-11-11 (WPT) |
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