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| Presentation | 2021-11-12 16:10 Harmonics Suppression in Magnetic Field Leakage Based on Input Voltage Design for Magnetically Coupled Wireless Power Transfer Daisuke Kobuchi, Kentaro Matsuura, Yoshiaki Narusue, Hiroyuki Morikawa (The Univ. of Tokyo)  WPT2021-11 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Magnetic field leakage generated by magnetically coupled wireless power transfer systems is regulated because they cause interference to existing wireless communications and electromagnetic interference to nearby devices.In order to reduce the harmonics in the magnetic field leakage generated by the transmitter and receiver, this paper proposes a design method of the input voltage waveform based on the estimated harmonic voltage at the rectifier input. Circuit simulations and experiments were carried out to confirm that the proposed method can reduce the harmonics in the magnetic field leakage. In experiments, it was confirmed that the proposed method can suppress harmonics in the magnetic field leakage generated from the transmitter and receiver with or without filters.The 3rd, 5th, 7th and 9th harmonics were designed to suppress when using the circuit without filters and they were reduced up to 14.4 dB.When using LC filters, the reductions of 3rd and 5th harmonics were up to 9.6 dB. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Wireless power transfer / Magnetic field leakage / Harmonic elimination / Voltage-wave design / Electromagnetic compatibility / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 121, no. 245, WPT2021-11, pp. 11-16, Nov. 2021. | |
| Paper # | WPT2021-11 | |
| Date of Issue | 2021-11-05 (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 | WPT2021-11 |
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| Conference Information | |
| Committee | WPT UWT |
| Conference Date | 2021-11-12 - 2021-11-12 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | WPT |
| Conference Code | 2021-11-WPT-UWT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Harmonics Suppression in Magnetic Field Leakage Based on Input Voltage Design for Magnetically Coupled Wireless Power Transfer |
| Sub Title (in English) | |
| Keyword(1) | Wireless power transfer |
| Keyword(2) | Magnetic field leakage |
| Keyword(3) | Harmonic elimination |
| Keyword(4) | Voltage-wave design |
| Keyword(5) | Electromagnetic compatibility |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Daisuke Kobuchi |
| 1st Author's Affiliation | The University of Tokyo (The Univ. of Tokyo) |
| 2nd Author's Name | Kentaro Matsuura |
| 2nd Author's Affiliation | The University of Tokyo (The Univ. of Tokyo) |
| 3rd Author's Name | Yoshiaki Narusue |
| 3rd Author's Affiliation | The University of Tokyo (The Univ. of Tokyo) |
| 4th Author's Name | Hiroyuki Morikawa |
| 4th Author's Affiliation | The University of Tokyo (The Univ. of Tokyo) |
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| Speaker | Author-1 |
| Date Time | 2021-11-12 16:10:00 |
| Presentation Time | 25 minutes |
| Registration for | WPT |
| Paper # | WPT2021-11 |
| Volume (vol) | vol.121 |
| Number (no) | no.245 |
| Page | pp.11-16 |
| #Pages | 6 |
| Date of Issue | 2021-11-05 (WPT) |
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