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Paper Abstract and Keywords
Presentation 2007-03-09 16:15
Common-mode current related to cable ground in shape
Kazuya Morimitsu (Okayama Univ.), Tetsushi Watanabe (ITCO), Yoshitaka Toyota, Ryuji Koga (Okayama Univ.), Osami Wada (Kyoto Univ.) EMCJ2006-128
Abstract (in Japanese) (See Japanese page) 
(in English) Common-mode current was measured for a four-conductor system that is electrically floating above the reference ground.
A parallel cable is used to connect a imtative common-mode transmitter and a receiver.
Common-mode current was measured for different height of the devices above the ground as well as the length
of the cable. The transmitter was driven with an optical fiber in order to isolate the devices from the
ambient electromagnetic field.
Experimental results showed that the current was almost constant for the height over 10cm, and for the lower
it was increased with decreasing the height from the reference ground due to the effect of the ground.
The effect of the number of ground cables was examined and it was confirmed that the common-mode current
along the cable decreases with the number of ground cables in the parallel cable. The trend is explained by
the relationship of common-mode current with the difference of the current divison factor between
devices and the cables.
Keyword (in Japanese) (See Japanese page) 
(in English) common-mode current / ground / four-conducter system / electrical systems / current division factor / cable / /  
Reference Info. IEICE Tech. Rep., vol. 106, no. 579, EMCJ2006-128, pp. 71-75, March 2007.
Paper # EMCJ2006-128 
Date of Issue 2007-03-02 (EMCJ) 
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 EMCJ2006-128

Conference Information
Committee EMCJ  
Conference Date 2007-03-09 - 2007-03-09 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EMCJ 
Conference Code 2007-03-EMCJ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Common-mode current related to cable ground in shape 
Sub Title (in English)  
Keyword(1) common-mode current  
Keyword(2) ground  
Keyword(3) four-conducter system  
Keyword(4) electrical systems  
Keyword(5) current division factor  
Keyword(6) cable  
1st Author's Name Kazuya Morimitsu  
1st Author's Affiliation Okayama University (Okayama Univ.)
2nd Author's Name Tetsushi Watanabe  
2nd Author's Affiliation Industrial Technology Center of Okayama Prefecture (ITCO)
3rd Author's Name Yoshitaka Toyota  
3rd Author's Affiliation Okayama University (Okayama Univ.)
4th Author's Name Ryuji Koga  
4th Author's Affiliation Okayama University (Okayama Univ.)
5th Author's Name Osami Wada  
5th Author's Affiliation Kyoto University (Kyoto Univ.)
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Date Time 2007-03-09 16:15:00 
Presentation Time 25 
Registration for EMCJ 
Paper # IEICE-EMCJ2006-128 
Volume (vol) IEICE-106 
Number (no) no.579 
Page pp.71-75 
#Pages IEICE-5 
Date of Issue IEICE-EMCJ-2007-03-02 

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