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Paper Abstract and Keywords
Presentation 2020-10-07 15:05
Measurement Method of High-Frequency-Voltage/Current Waveforms using Directional Coupler and its Calibration
Takuma Nakae, Hiroshi Hirayama (NIT) WPT2020-22
Abstract (in Japanese) (See Japanese page) 
(in English) This report proposes a measurement method of voltage/current waveform assuming applications of wireless power transfer(WPT). It is necessary to measure voltage/current waveforms of a power receiving circuit using a diode to improve power transmission efficiency in WPT. In the frequency region of a power electronics, voltage probe and current probe are utilized. However, voltage probes used in GHz region has insufficient withstand voltage for an application of WPT. Therefore, this report proposes novel technique for measuring and calibrating voltage/current waveforms using directional coupler and oscilloscope. The effectiveness of proposed measurement technique was confirmed by the measurement of square wave at 7 MHz. The results of this report can contribute to the measurement technology in design of the WPT power receiving circuit.
Keyword (in Japanese) (See Japanese page) 
(in English) Wireless power transfer / Directional coupler / Voltage/Current measurement / Calibration / High-frequency / High-power / Rectifier Circuit / Harmonic wave  
Reference Info. IEICE Tech. Rep., vol. 120, no. 182, WPT2020-22, pp. 18-23, Oct. 2020.
Paper # WPT2020-22 
Date of Issue 2020-09-30 (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 WPT2020-22

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) Measurement Method of High-Frequency-Voltage/Current Waveforms using Directional Coupler and its Calibration 
Sub Title (in English)  
Keyword(1) Wireless power transfer  
Keyword(2) Directional coupler  
Keyword(3) Voltage/Current measurement  
Keyword(4) Calibration  
Keyword(5) High-frequency  
Keyword(6) High-power  
Keyword(7) Rectifier Circuit  
Keyword(8) Harmonic wave  
1st Author's Name Takuma Nakae  
1st Author's Affiliation Nagoya Inst. of Tech. (NIT)
2nd Author's Name Hiroshi Hirayama  
2nd Author's Affiliation Nagoya Inst. of Tech. (NIT)
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Speaker Author-1 
Date Time 2020-10-07 15:05:00 
Presentation Time 25 minutes 
Registration for WPT 
Paper # WPT2020-22 
Volume (vol) vol.120 
Number (no) no.182 
Page pp.18-23 
#Pages 6 
Date of Issue 2020-09-30 (WPT) 

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