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Paper Abstract and Keywords
Presentation 2018-11-09 13:35
Analysis of Arc Length Just before Arc Extinction Generated in a 500VDC/10A Resistive Circuit by Means of Observation from Two Directions
Ryuichiro Yamamura, Junya Sekikawa (Shizuoka Univ) EMD2018-41
Abstract (in Japanese) (See Japanese page) 
(in English) The experimental circuit is the resistive load resistor with supply voltage of 500 VDC/10A, and the material contacts is pure silver. The break arc is stretched upward by the permanent magnet. This behavior is observed simultaneously with the high-speed cameras from two directions, and the arc length at extinction is analyzed from the obtained images. The arc length just before arc extinction measured only from the front camera is defined as planar arc length. On the other hand, the arc length just before arc extinction analyzed from the front and top cameras is defined as three-dimensional arc length. As a result, the three-dimensional arc length is clearly larger than the planar arc length at high supply voltage. The reason is that as the supply voltage increase, the arc spot tend to move to the back of the contacts in the images taken by the front camera.
Keyword (in Japanese) (See Japanese page) 
(in English) Electrical contacts / Arc spots / High-speed camera / / / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 290, EMD2018-41, pp. 1-5, Nov. 2018.
Paper # EMD2018-41 
Date of Issue 2018-11-02 (EMD) 
ISSN Print edition: ISSN 0913-5685    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 EMD2018-41

Conference Information
Committee EMD  
Conference Date 2018-11-09 - 2018-11-09 
Place (in Japanese) (See Japanese page) 
Place (in English) The University of Electro-Communications 
Topics (in Japanese) (See Japanese page) 
Topics (in English) International Session IS-EMD2018 
Paper Information
Registration To EMD 
Conference Code 2018-11-EMD 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Analysis of Arc Length Just before Arc Extinction Generated in a 500VDC/10A Resistive Circuit by Means of Observation from Two Directions 
Sub Title (in English)  
Keyword(1) Electrical contacts  
Keyword(2) Arc spots  
Keyword(3) High-speed camera  
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1st Author's Name Ryuichiro Yamamura  
1st Author's Affiliation Shizuoka University (Shizuoka Univ)
2nd Author's Name Junya Sekikawa  
2nd Author's Affiliation Shizuoka University (Shizuoka Univ)
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Speaker Author-1 
Date Time 2018-11-09 13:35:00 
Presentation Time 25 minutes 
Registration for EMD 
Paper # EMD2018-41 
Volume (vol) vol.118 
Number (no) no.290 
Page pp.1-5 
#Pages 5 
Date of Issue 2018-11-02 (EMD) 

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