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Paper Abstract and Keywords
Presentation 2007-01-26 15:40
Method of Measuring Voltages by Loading Capacity Changeable CVP without Cable Correction
Hideaki Takahashi, Nobuo Kuwabara (KIT), Fujio Amemiya, Mitsuo Hattori (NTT-AT) EMCJ2006-108
Abstract (in Japanese) (See Japanese page) 
(in English) Capacitive Voltage Probe (CVP) can measure the common-mode disturbance voltages without contact to the cable. However, it is necessary to obtain the correction factor for each cable. Although the measurement method by two CVPs was developed to measure the voltage without the correction, this has the disadvantage that this needs two CVP, this need the signal generator, and etc. This report proposes the measuring method without cable correction by changing the loading capacitance of CVP. In the investigation, a cable was replaced with a copper rod, and the correction coefficient was measured by the gain-phase analyzer. The results indicated that the deviation of the measuring voltages was within 3dB form 150 kHz to 30 MHz, the measurement value slightly changes depend on the loading capacitance value, and the deviation increases when the frequency is greater than 10 MHz. The disturbances from telecommunications equipment were measured to confirm the validity of the method, the results indicated that the measurement results were almost the same as the results using impedance stabilization network (ISN).
Keyword (in Japanese) (See Japanese page) 
(in English) Capacitive Voltage Probe / Cable correction coefficient / Load capacitance / Disturbance voltage / / / /  
Reference Info. IEICE Tech. Rep., vol. 106, no. 508, EMCJ2006-108, pp. 57-62, Jan. 2007.
Paper # EMCJ2006-108 
Date of Issue 2007-01-19 (EMCJ) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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)
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Conference Information
Committee EMCJ  
Conference Date 2007-01-26 - 2007-01-27 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EMCJ 
Conference Code 2007-01-EMCJ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Method of Measuring Voltages by Loading Capacity Changeable CVP without Cable Correction 
Sub Title (in English)  
Keyword(1) Capacitive Voltage Probe  
Keyword(2) Cable correction coefficient  
Keyword(3) Load capacitance  
Keyword(4) Disturbance voltage  
Keyword(5)  
Keyword(6)  
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1st Author's Name Hideaki Takahashi  
1st Author's Affiliation Graduate School of Kyushu Institute of Technology (KIT)
2nd Author's Name Nobuo Kuwabara  
2nd Author's Affiliation Graduate School of Kyushu Institute of Technology (KIT)
3rd Author's Name Fujio Amemiya  
3rd Author's Affiliation EMC Center NTT Advanced Technology (NTT-AT)
4th Author's Name Mitsuo Hattori  
4th Author's Affiliation EMC Center NTT Advanced Technology (NTT-AT)
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Speaker Author-1 
Date Time 2007-01-26 15:40:00 
Presentation Time 25 minutes 
Registration for EMCJ 
Paper # EMCJ2006-108 
Volume (vol) vol.106 
Number (no) no.508 
Page pp.57-62 
#Pages 6 
Date of Issue 2007-01-19 (EMCJ) 

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