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| Presentation | 2016-01-28 15:50 Effect of Ground Plane to Human-Body Exposures in the vicinity of kHz-Band Wireless Power Transfer System Yuhei Aoki (TUAT), Jerdvisanop Chakarothai, Kanako Wake, Katsumi Fujii (NICT), Takuji Arima (TUAT), Soichi Watanabe (NICT), Toru Uno (TUAT)  EMCJ2015-113 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Wireless Power Transfer (WPT) systems for electric vehicle (EV) typically produce strong electromagnetic (EM) fields nearby. Therefore, it is important to evaluate human-body exposure due to EM fields from the WPT systems. We have been studying so far the exposure assessment in free space. However, the WPT systems for EV are actually positioned near the human foot. However, it is necessary to consider the effect of the ground plane in the exposure evaluation. In this study, in order to investigate the effect, we have calculated the distance characteristics of an external magnetic field strength and internal electric field strength in human bodies when WPT system is put on the PEC ground plane. As a result, it was indicated that the external magnetic field strength and the internal electric field strength for the case of the PEC ground plane may be as large as 142 % and 130 % of those for the free space at the maximum, respectively. In addition we have determined a coupling factor, as described in the IEC standard as a ratio of the external magnetic field strength to the internal electric field strength. As a result, the coupling factor in free space was larger than that for the PEC ground-plane case when the compliance distance is equal to 0.4 m. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Wireless power transfer / exposure assessment / coupling factor / ground plane / equivalent wave source / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 115, no. 427, EMCJ2015-113, pp. 55-60, Jan. 2016. | |
| Paper # | EMCJ2015-113 | |
| Date of Issue | 2016-01-21 (EMCJ) | |
| 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 | EMCJ2015-113 |
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| Conference Information | |
| Committee | EMCJ WPT |
| Conference Date | 2016-01-28 - 2016-01-29 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kumamoto National Colle. Technology |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Communication, Wireless Power Transmission, EMC |
| Paper Information | |
| Registration To | EMCJ |
| Conference Code | 2016-01-EMCJ-WPT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Effect of Ground Plane to Human-Body Exposures in the vicinity of kHz-Band Wireless Power Transfer System |
| Sub Title (in English) | |
| Keyword(1) | Wireless power transfer |
| Keyword(2) | exposure assessment |
| Keyword(3) | coupling factor |
| Keyword(4) | ground plane |
| Keyword(5) | equivalent wave source |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Yuhei Aoki |
| 1st Author's Affiliation | Tokyo University of Agriculture and Technology (TUAT) |
| 2nd Author's Name | Jerdvisanop Chakarothai |
| 2nd Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 3rd Author's Name | Kanako Wake |
| 3rd Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 4th Author's Name | Katsumi Fujii |
| 4th Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 5th Author's Name | Takuji Arima |
| 5th Author's Affiliation | Tokyo University of Agriculture and Technology (TUAT) |
| 6th Author's Name | Soichi Watanabe |
| 6th Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 7th Author's Name | Toru Uno |
| 7th Author's Affiliation | Tokyo University of Agriculture and Technology (TUAT) |
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| Speaker | Author-1 |
| Date Time | 2016-01-28 15:50:00 |
| Presentation Time | 25 minutes |
| Registration for | EMCJ |
| Paper # | EMCJ2015-113 |
| Volume (vol) | vol.115 |
| Number (no) | no.427 |
| Page | pp.55-60 |
| #Pages | 6 |
| Date of Issue | 2016-01-21 (EMCJ) |
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