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Paper Abstract and Keywords
Presentation 2022-01-21 10:00
Wireless Power Transfer by Primary Square Secondary Rod-shaped Coil Having Robust Characteristics for Large Changes in k and R -- Mechanism and demonstration of S-SP Type Load Voltage Stabilization by k Notation Block Diagram --
Hideaki Abe (Panasonic) WPT2021-15
Abstract (in Japanese) (See Japanese page) 
(in English) Research on magnetically coupled wireless power transfer with resonant circuits has been carried out for a long time. In the research process of nearly 30 years, it has become an even bigger trend in recent years. In particular, a lot of knowledge has been accumulated in improving efficiency and stabilizing load voltage and current. In order to increase the transmission distance, which is a benefit, mechanisms and technologies have been accumulated that enable high efficiency and good power supply quality up to the coil size. On the other hand, for variable distances and positions between power transmission and reception coil, active control by inverters and converters on the power transmission and reception side, variable capacitance control, etc. are required, and increasing the system size and cost is problem. The transmission distance and misalignment are unified and reflected in the coupling factor k. The change in load can correspond to the change in equivalent resistance R. The construction of a mechanism that allows large changes in k and R without active control is still under development. The author has already found an effective means for the load voltage to have "Inverted V-shape" characteristic in the optimized design of the S-SP type. This time, a wireless power transfer system using a primary square coil secondary rod coil with the aim of further reducing the size of the power receiving coil is investigated , and as a result, good properties are demonstrated.
Keyword (in Japanese) (See Japanese page) 
(in English) Wireless Power Transfer / S-SP Type / Inverted V Shape Characteristic / k&R Change Robust / Rod Coil / / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 331, WPT2021-15, pp. 1-4, Jan. 2022.
Paper # WPT2021-15 
Date of Issue 2022-01-14 (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 WPT2021-15

Conference Information
Committee AP WPT  
Conference Date 2022-01-20 - 2022-01-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Kenmin-Fureai-Kaikan 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Radio propagation, Wireless transmission technology, Antennas and Propagation 
Paper Information
Registration To WPT 
Conference Code 2022-01-AP-WPT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Wireless Power Transfer by Primary Square Secondary Rod-shaped Coil Having Robust Characteristics for Large Changes in k and R 
Sub Title (in English) Mechanism and demonstration of S-SP Type Load Voltage Stabilization by k Notation Block Diagram 
Keyword(1) Wireless Power Transfer  
Keyword(2) S-SP Type  
Keyword(3) Inverted V Shape Characteristic  
Keyword(4) k&R Change Robust  
Keyword(5) Rod Coil  
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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 2022-01-21 10:00:00 
Presentation Time 25 minutes 
Registration for WPT 
Paper # WPT2021-15 
Volume (vol) vol.121 
Number (no) no.331 
Page pp.1-4 
#Pages 4 
Date of Issue 2022-01-14 (WPT) 

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