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| Presentation | 2024-02-29 13:00 Coil Orientation Impact on Efficiency in Double-Sided WPT with Magnetic Field Coupling Akari Kamada, Tamami Maruyama, Masashi Nakatsugawa, Noa Ebita (NIT, Hakodate College), Masaya Tamura (Toyohashi University of Technology), Noriharu Suematsu (Tohoku University)  MW2023-178 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The coils used in magnetic field-coupled wireless power transfer (WPT) exhibit a higher absolute coupling coefficient when the transmission and reception directions are reversed. In contrast, magnetic field-coupled WPT generates a symmetrical magnetic field on both sides of the transmitting coil, enabling simultaneous power delivery to coils on both sides. This study investigated the influence of coil orientation in the case of simultaneous power delivery on both sides. Despite both dual-received coils coupling each other, the findings indicate that, in dual-side power delivery, reversing coil orientation, similar to single-side power delivery, enhances coupling. This results in an increased kQ product and improved wireless power transmission efficiency. Next, we loaded the coil with inductance to resonate at the location where the kQ product is maximized. In this case as well, electromagnetic field analysis revealed that, compared to in-phase orientation, reversed-phase orientation leads to higher wireless power efficiency. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | / / / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 123, no. 396, MW2023-178, pp. 21-24, Feb. 2024. | |
| Paper # | MW2023-178 | |
| Date of Issue | 2024-02-22 (MW) | |
| 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 | MW2023-178 |
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| Conference Information | |
| Committee | MW |
| Conference Date | 2024-02-29 - 2024-03-01 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Okayama Prefectural University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Microwave, etc. |
| Paper Information | |
| Registration To | MW |
| Conference Code | 2024-02-MW |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Coil Orientation Impact on Efficiency in Double-Sided WPT with Magnetic Field Coupling |
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| 1st Author's Name | Akari Kamada |
| 1st Author's Affiliation | National Institute of Technology, Hakodate College (NIT, Hakodate College) |
| 2nd Author's Name | Tamami Maruyama |
| 2nd Author's Affiliation | National Institute of Technology, Hakodate College (NIT, Hakodate College) |
| 3rd Author's Name | Masashi Nakatsugawa |
| 3rd Author's Affiliation | National Institute of Technology, Hakodate College (NIT, Hakodate College) |
| 4th Author's Name | Noa Ebita |
| 4th Author's Affiliation | National Institute of Technology, Hakodate College (NIT, Hakodate College) |
| 5th Author's Name | Masaya Tamura |
| 5th Author's Affiliation | Toyohashi University of Technology (Toyohashi University of Technology) |
| 6th Author's Name | Noriharu Suematsu |
| 6th Author's Affiliation | Tohoku University (Tohoku University) |
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| Speaker | Author-2 |
| Date Time | 2024-02-29 13:00:00 |
| Presentation Time | 25 minutes |
| Registration for | MW |
| Paper # | MW2023-178 |
| Volume (vol) | vol.123 |
| Number (no) | no.396 |
| Page | pp.21-24 |
| #Pages | 4 |
| Date of Issue | 2024-02-22 (MW) |
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