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| Presentation | 2018-01-18 14:50 Evaluation of Voltage Stability by Secondary Coil Position of Wireless Power Transfer by Gradient Winding Primary Coil Array Hideaki Abe (Panasonic)  WPT2017-59 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Wireless power transfer utilizing magnetic coupling has been practically used for a long time in portable equipment. Furthermore, in the future, the primary coil area tends to broaden, including support for multiple devices. On the other hand, in the primary coil of an area that is excessively wide relative to the secondary coil, magnetic flux is generated also in an area not related to power supply by the exciting current, causing problems such as an increase in noise and standby power. As a countermeasure against this, a spot feeding system has been proposed in which a plurality of primary coils are arrayed and only the primary coil under the secondary coil is excited. However, there is a problem that the received voltage drops more than the other positions on the side portions of the adjacent primary coils. The author has studied method the receiving voltage becomes constant on the entire surface of the coil array and can use the gradient winding coil to stabilize the receiving voltage on the whole surface of the coil array without increasing the thickness of the primary coil was confirmed. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Wireless power transfer / Gradient coil array / Spot feeding / Voltage stabilization / Free position / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 117, no. 383, WPT2017-59, pp. 21-26, Jan. 2018. | |
| Paper # | WPT2017-59 | |
| Date of Issue | 2018-01-11 (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 | WPT2017-59 |
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| Conference Information | |
| Committee | AP WPT |
| Conference Date | 2018-01-18 - 2018-01-19 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | ATR |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Wireless transmission technology, Radio propagation, Antennas and Propagation |
| Paper Information | |
| Registration To | WPT |
| Conference Code | 2018-01-AP-WPT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Evaluation of Voltage Stability by Secondary Coil Position of Wireless Power Transfer by Gradient Winding Primary Coil Array |
| Sub Title (in English) | |
| Keyword(1) | Wireless power transfer |
| Keyword(2) | Gradient coil array |
| Keyword(3) | Spot feeding |
| Keyword(4) | Voltage stabilization |
| Keyword(5) | Free position |
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| 1st Author's Name | Hideaki Abe |
| 1st Author's Affiliation | Panasonic Corporation (Panasonic) |
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| Speaker | Author-1 |
| Date Time | 2018-01-18 14:50:00 |
| Presentation Time | 20 minutes |
| Registration for | WPT |
| Paper # | WPT2017-59 |
| Volume (vol) | vol.117 |
| Number (no) | no.383 |
| Page | pp.21-26 |
| #Pages | 6 |
| Date of Issue | 2018-01-11 (WPT) |
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