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Paper Abstract and Keywords
Presentation 2022-01-21 11:15
Cut-off Phenomenon Observed in Parallel Combining RF Diode Rectifiers
Ryoya Honda, Shinji Abe, Takashi Ohira (TUT) WPT2021-18
Abstract (in Japanese) (See Japanese page) 
(in English) We investigated the behavior of a radio frequency (RF) rectifier array receiving unequal levels of RF power. To consider rectifier arrays, first, we briefly review the theory of unit rectifier with single-series topology. There is a specific output voltage and flow angle that make the output current zero. Using the two specific values, we analyze rectifier array. We theoretically found out the input power ratio at which the lower-input power rectifier goes to sleep. This theory discovers that the cutoff input power ratio is exclusively ruled by the flow angle of the higher-input power rectifier, regardless of the lower-input power rectifier. We verify the proposed theory both numerically (harmonic-balance simulation) and experimentally (6.78 MHz, 100 W) and discover a good agreement with our theory.
Keyword (in Japanese) (See Japanese page) 
(in English) wireless power transfer / radio frequency / RF rectifier / cutoff / flow-angle equation / diode / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 331, WPT2021-18, pp. 13-16, Jan. 2022.
Paper # WPT2021-18 
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 WPT2021-18

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) Cut-off Phenomenon Observed in Parallel Combining RF Diode Rectifiers 
Sub Title (in English)  
Keyword(1) wireless power transfer  
Keyword(2) radio frequency  
Keyword(3) RF rectifier  
Keyword(4) cutoff  
Keyword(5) flow-angle equation  
Keyword(6) diode  
Keyword(7)  
Keyword(8)  
1st Author's Name Ryoya Honda  
1st Author's Affiliation Toyohashi University of Technology (TUT)
2nd Author's Name Shinji Abe  
2nd Author's Affiliation Toyohashi University of Technology (TUT)
3rd Author's Name Takashi Ohira  
3rd Author's Affiliation Toyohashi University of Technology (TUT)
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Speaker Author-1 
Date Time 2022-01-21 11:15:00 
Presentation Time 25 minutes 
Registration for WPT 
Paper # WPT2021-18 
Volume (vol) vol.121 
Number (no) no.331 
Page pp.13-16 
#Pages 4 
Date of Issue 2022-01-14 (WPT) 

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