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| Presentation | 2018-07-03 10:45 Evaluation of Contact Current for Wireless Power Transfer System in 100 kHz-band using Measured Electric Field Keisuke Arai (TUAT), Jerdvisanop Chakarothai, Kanako Wake, Fujii Katsumi, Soichi Watanabe (NICT), Takuji Arima, Toru Uno (TUAT)  WPT2018-22 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Since wireless power transfer (WPT) systems for electric vehicles (EV) may generate relatively strong electromagnetic (EM) near-fields, it is important to evaluate the exposure in order to protect human hazards. In the previous study, we have proposed a numerical method for deriving the contact current which is generated when a human touches an ungrounded conductive object by using electric near-field. Validation of the proposed method has been demonstrated by comparison between numerical and measurement results obtaind by using a shortened monopole antenna. In this study, the contact current of a real WPT system for EV was evaluated. It has been found that difference in the contact current numerically obtained by the proposed method and that by the direct measurement is less than 10%, confirming the validity of the method. Additionally, we found that the contact current is approximately 28.5 mA, higher than radio protection guideline value, when transmission power is scaled to 7.7 kW. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Wireless power transfer / electric vehicle / contact current / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 118, no. 115, WPT2018-22, pp. 67-71, July 2018. | |
| Paper # | WPT2018-22 | |
| Date of Issue | 2018-06-25 (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 | WPT2018-22 |
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| Conference Information | |
| Committee | EE WPT IEE-SPC |
| Conference Date | 2018-07-02 - 2018-07-03 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Hokkaido University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Wireless power transfer, Energy, Semiconductor, others |
| Paper Information | |
| Registration To | WPT |
| Conference Code | 2018-07-EE-WPT-SPC |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Evaluation of Contact Current for Wireless Power Transfer System in 100 kHz-band using Measured Electric Field |
| Sub Title (in English) | |
| Keyword(1) | Wireless power transfer |
| Keyword(2) | electric vehicle |
| Keyword(3) | contact current |
| Keyword(4) | |
| Keyword(5) | |
| Keyword(6) | |
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| Keyword(8) | |
| 1st Author's Name | Keisuke Arai |
| 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 | Fujii Katsumi |
| 4th Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 5th Author's Name | Soichi Watanabe |
| 5th Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 6th Author's Name | Takuji Arima |
| 6th Author's Affiliation | Tokyo University of Agriculture and Technology (TUAT) |
| 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 | 2018-07-03 10:45:00 |
| Presentation Time | 25 minutes |
| Registration for | WPT |
| Paper # | WPT2018-22 |
| Volume (vol) | vol.118 |
| Number (no) | no.115 |
| Page | pp.67-71 |
| #Pages | 5 |
| Date of Issue | 2018-06-25 (WPT) |
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