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| Presentation | 2014-12-18 15:20 Development of a real-time power and impedance sensor for wireless power transfer systems Toshio Minami, Isao Tabuchi, Ryohei Tanaka, Yoshinori Tsuruda (DAIHEN)  WPT2014-67 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The improvement of the power transmission efficiency is one of the big issue of high-power wireless power transfer systems.DAIHEN has proposed V-I sensor(the product name is "Viφ") as a solution of this issue, it is important to know how much power loss between transmission and receiving coils in the system. The common method to measuring power loss is using network analyzer in "off-line". However, since the transmission properties will change by environment and temperature, the "on-line" measuring equipment which can measure the power during power feeding in real time is necessary. Viφ make possible to measure frequency, voltage, current and phase in real-time, then, it calculate impedance and power by these values. As a result, we could know power efficiency, coil impedance, matching frequency and so on. In this paper, we show the effect as means of the improving the efficiency by optimizing circuit parameter from measured values of "Viφ" at 85kHz. And we also show the accuracy by comparing with network analyzer. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Wireless power transfer / power / impedance / Measurement / Efficiency / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 114, no. 375, WPT2014-67, pp. 21-23, Dec. 2014. | |
| Paper # | WPT2014-67 | |
| Date of Issue | 2014-12-11 (WPT) | |
| 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 | WPT2014-67 |
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| Conference Information | |
| Committee | WPT |
| Conference Date | 2014-12-18 - 2014-12-19 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Daihen Tech. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Wireless Power Transfer, etc |
| Paper Information | |
| Registration To | WPT |
| Conference Code | 2014-12-WPT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Development of a real-time power and impedance sensor for wireless power transfer systems |
| Sub Title (in English) | |
| Keyword(1) | Wireless power transfer |
| Keyword(2) | power |
| Keyword(3) | impedance |
| Keyword(4) | Measurement |
| Keyword(5) | Efficiency |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Toshio Minami |
| 1st Author's Affiliation | DAIHEN Corporation (DAIHEN) |
| 2nd Author's Name | Isao Tabuchi |
| 2nd Author's Affiliation | DAIHEN Corporation (DAIHEN) |
| 3rd Author's Name | Ryohei Tanaka |
| 3rd Author's Affiliation | DAIHEN Corporation (DAIHEN) |
| 4th Author's Name | Yoshinori Tsuruda |
| 4th Author's Affiliation | DAIHEN Corporation (DAIHEN) |
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| Speaker | Author-1 |
| Date Time | 2014-12-18 15:20:00 |
| Presentation Time | 30 minutes |
| Registration for | WPT |
| Paper # | WPT2014-67 |
| Volume (vol) | vol.114 |
| Number (no) | no.375 |
| Page | pp.21-23 |
| #Pages | 3 |
| Date of Issue | 2014-12-11 (WPT) |
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