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Paper Abstract and Keywords
Presentation 2020-10-07 15:55
Wireless Power Transfer for Waterway-Cruising Ships with 3 Electrodes
Tomohiro Tsujimura, Yangjun Zhang (Ryukoku Univ.), Ikuo Awai (Ryutech corp.) WPT2020-24
Abstract (in Japanese) (See Japanese page) 
(in English) The feature of high dielectric constant of water can be expected to have the effect of strengthening the coupling in an electrically coupled system by use of strong coupling between 2 electrodes, although, depending on the arrangement of the electrodes, the increase in unnecessary capacitance may lead to a decrease in transmission efficiency. To make matters worse, Due to the dissolved electrolyte, the conduction current loss increases, leading to an increase in transmission loss. In this report, the number, arrangement, and dimensions of electrodes are considered to optimize the balance of these interests. In this method, it is standard to use four electrodes, but here, the transmission efficiency is improved by a three-electrode system that replaces the transmission ground electrode with the earth, and it can be used in an environment where it is not appropriate to install a transmission ground electrode on the shore.
Keyword (in Japanese) (See Japanese page) 
(in English) Electrical Coupling / Wireless Power Transfer / High Permittivity / Coupling Coefficient / kQ-product / / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 182, WPT2020-24, pp. 30-35, Oct. 2020.
Paper # WPT2020-24 
Date of Issue 2020-09-30 (WPT) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 WPT2020-24

Conference Information
Committee WPT EE  
Conference Date 2020-10-07 - 2020-10-07 
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 2020-10-WPT-EE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Wireless Power Transfer for Waterway-Cruising Ships with 3 Electrodes 
Sub Title (in English)  
Keyword(1) Electrical Coupling  
Keyword(2) Wireless Power Transfer  
Keyword(3) High Permittivity  
Keyword(4) Coupling Coefficient  
Keyword(5) kQ-product  
1st Author's Name Tomohiro Tsujimura  
1st Author's Affiliation Ryukoku University (Ryukoku Univ.)
2nd Author's Name Yangjun Zhang  
2nd Author's Affiliation Ryukoku University (Ryukoku Univ.)
3rd Author's Name Ikuo Awai  
3rd Author's Affiliation Ryutech corporation (Ryutech corp.)
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Speaker Author-1 
Date Time 2020-10-07 15:55:00 
Presentation Time 25 minutes 
Registration for WPT 
Paper # WPT2020-24 
Volume (vol) vol.120 
Number (no) no.182 
Page pp.30-35 
Date of Issue 2020-09-30 (WPT) 

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