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Paper Abstract and Keywords
Presentation 2018-03-02 13:05
Influence of Sealed Gases and Pressure on Arc Duration of Electromagnetic Contactor
Ryoya Kaneko, Hiroki Funada, Koichiro Sawa, Kiyoshi Yoshida (NIT) EMD2017-57
Abstract (in Japanese) (See Japanese page) 
(in English) A electromagnetic contactor with magnets to shut off DC circuit was set in the chamber. The enclosed gases are hydrogen, helium and clean air. The influence of enclosed gases and pressures on various properties was investigated. The arc duration ta, the arc energy Ea, and the contact resistance Rc were measured under the source voltage E from DC100 to 500 V, and closed contact current Io was 10, 20, and 30 A. As a result, it can be made clear that the magnitude of ta has a relation of H 2 < He <Air. We compared arc extinguish characteristics in the case of "no magnet" between air and hydrogen. At 200 V in the air, the arc extinction became impossible. However, in hydrogen, it was found that arc can be extinguished even at 500 V, 30 A (Maximum condition in this experiments).
Keyword (in Japanese) (See Japanese page) 
(in English) Electromagnetic contactor / Electrical contact / Arc duration / Arc energy / Contact resistance / Hydrogen / Helium /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 467, EMD2017-57, pp. 1-4, March 2018.
Paper # EMD2017-57 
Date of Issue 2018-02-23 (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)
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Conference Information
Committee EMD  
Conference Date 2018-03-02 - 2018-03-02 
Place (in Japanese) (See Japanese page) 
Place (in English) Nippon Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EMD 
Conference Code 2018-03-EMD 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Influence of Sealed Gases and Pressure on Arc Duration of Electromagnetic Contactor 
Sub Title (in English)  
Keyword(1) Electromagnetic contactor  
Keyword(2) Electrical contact  
Keyword(3) Arc duration  
Keyword(4) Arc energy  
Keyword(5) Contact resistance  
Keyword(6) Hydrogen  
Keyword(7) Helium  
Keyword(8)  
1st Author's Name Ryoya Kaneko  
1st Author's Affiliation Nippon Institute of technology (NIT)
2nd Author's Name Hiroki Funada  
2nd Author's Affiliation Nippon Institute of technology (NIT)
3rd Author's Name Koichiro Sawa  
3rd Author's Affiliation Nippon Institute of technology (NIT)
4th Author's Name Kiyoshi Yoshida  
4th Author's Affiliation Nippon Institute of technology (NIT)
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Speaker Author-1 
Date Time 2018-03-02 13:05:00 
Presentation Time 15 minutes 
Registration for EMD 
Paper # EMD2017-57 
Volume (vol) vol.117 
Number (no) no.467 
Page pp.1-4 
#Pages 4 
Date of Issue 2018-02-23 (EMD) 

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