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| Presentation | 2020-07-03 13:55 Mechanism of Wireless Power Transfer Forming the Stair-Like Magnetic Field and Demonstration of Receiving Characteristics (Part 2) -- Mechanism of 3 Stage Magnetic Field Formation by 3 Methods and Comparative Consideration of Equivalent Coupling Factor Distribution -- Hideaki Abe  WPT2020-17 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In the magnetic coupling, the induced voltage based on the electromagnetic induction action by the interchanging of the magnetic flux between the coils is utilized. Generally, with free layout supply to arbitrary equipment and moving objects, uniformity of the magnetic field of the primary coil that generates magnetic flux is desired. On the other hand, author have studied this possibility by thinking that stepped magnetic field formation is effective for a new usage. Papers that researched nonuniformity magnetic field with respect to utility or mechanism are not found. The author has already tried to form a stairs like magnetic flux distribution by forming a single power transmission coil with multiple coils with parameters that can be numerically controlled. As a result, clearly different load voltage characteristics were confirmed depending on the position of the receiving coil. The load voltage characteristics have been demonstrated to be proportional to the equivalent coupling factor characteristics between the power transmitting and receiving coils, and the relationship between the numerical values of the parameters has been clarified by analysis, and useful knowledge of the formation of the desired inhomogeneous magnetic field has been obtained. This time, author tried two new methods aiming at the same characteristics as the stairs like magnetic field by the first method in order to increase the degree of freedom in designing the method of forming a nonuniformity magnetic field. As a result, equivalent coupling factor characteristics is confirmed in good agreement in all three methods, and accumulated useful knowledge of inhomogeneous magnetic field design. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Wireless Power Transfer / Magnetic Coupled Feeding / Stairs-Like Magnetic Field / Nonuniformity Magnetic Field / Equivalent Coupling Factor / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 120, no. 85, WPT2020-17, pp. 13-18, July 2020. | |
| Paper # | WPT2020-17 | |
| Date of Issue | 2020-06-26 (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 | WPT2020-17 |
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| Conference Information | |
| Committee | EMCJ EMD WPT |
| Conference Date | 2020-07-03 - 2020-07-03 |
| 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 | 2020-07-EMCJ-EMD-WPT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Mechanism of Wireless Power Transfer Forming the Stair-Like Magnetic Field and Demonstration of Receiving Characteristics (Part 2) |
| Sub Title (in English) | Mechanism of 3 Stage Magnetic Field Formation by 3 Methods and Comparative Consideration of Equivalent Coupling Factor Distribution |
| Keyword(1) | Wireless Power Transfer |
| Keyword(2) | Magnetic Coupled Feeding |
| Keyword(3) | Stairs-Like Magnetic Field |
| Keyword(4) | Nonuniformity Magnetic Field |
| Keyword(5) | Equivalent Coupling Factor |
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| 1st Author's Name | Hideaki Abe |
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| Speaker | Author-1 |
| Date Time | 2020-07-03 13:55:00 |
| Presentation Time | 25 minutes |
| Registration for | WPT |
| Paper # | WPT2020-17 |
| Volume (vol) | vol.120 |
| Number (no) | no.85 |
| Page | pp.13-18 |
| #Pages | 6 |
| Date of Issue | 2020-06-26 (WPT) |
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