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| Presentation | 2022-07-15 13:00 Estimation of Far-field Leakage Magnetic Field Using Vector Potentials Considering Cancellation Coils in Dynamic Wireless Power Transfer Soma Hasegawa, Takehiro Imura, Yoichi Hori (TUS)  WPT2022-19 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In recent years, Dynamic Wireless Power Transfer has been attracting attention as an application of wireless power transmission. There are several challenges in realizing wireless power transfer while driving, one of which is the effect of leaking magnetic fields. Since leaky magnetic fields have adverse effects on the human body and electronic equipment, they must be suppressed. Many suppression methods, such as cancellation coils and magnetic shielding, have been studied, but few studies have focused on the far-field leaky magnetic fields that are generated. In this paper, the far-field leakage magnetic field generated by wireless power transmission is estimated by vector potential. The validity of the estimation by vector potential is demonstrated by analyzing the intensity of the magnetic field generated 3 m to 20 m from the center of the coil when a cancellation coil for suppressing the magnetic field is installed in addition to the transmitting and receiving coils, and by comparing the results with the calculation results. Compared with the results of the analysis using the FEKO electromagnetic field analysis software, the vector potential estimation was confirmed to be accurate to within 1 % error. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Dynamic Wireless Power Transfer / Magnetic Fields Leakage / Active Shielding / Vector Potentials / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 113, WPT2022-19, pp. 1-4, July 2022. | |
| Paper # | WPT2022-19 | |
| Date of Issue | 2022-07-08 (WPT) | |
| 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 | WPT2022-19 |
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| Conference Information | |
| Committee | EMD WPT EMCJ PEM |
| Conference Date | 2022-07-15 - 2022-07-15 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | WPT |
| Conference Code | 2022-07-EMD-WPT-EMCJ-PEM |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Estimation of Far-field Leakage Magnetic Field Using Vector Potentials Considering Cancellation Coils in Dynamic Wireless Power Transfer |
| Sub Title (in English) | |
| Keyword(1) | Dynamic Wireless Power Transfer |
| Keyword(2) | Magnetic Fields Leakage |
| Keyword(3) | Active Shielding |
| Keyword(4) | Vector Potentials |
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| 1st Author's Name | Soma Hasegawa |
| 1st Author's Affiliation | Tokyo University of science (TUS) |
| 2nd Author's Name | Takehiro Imura |
| 2nd Author's Affiliation | Tokyo University of science (TUS) |
| 3rd Author's Name | Yoichi Hori |
| 3rd Author's Affiliation | Tokyo University of science (TUS) |
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| Speaker | Author-1 |
| Date Time | 2022-07-15 13:00:00 |
| Presentation Time | 25 minutes |
| Registration for | WPT |
| Paper # | WPT2022-19 |
| Volume (vol) | vol.122 |
| Number (no) | no.113 |
| Page | pp.1-4 |
| #Pages | 4 |
| Date of Issue | 2022-07-08 (WPT) |
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