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Paper Abstract and Keywords
Presentation 2020-03-06 16:50
Influence of Ambient Gas on Breaking Arc Discharge of Electromagnetic contactor -- Effect of Gas Pressure and Current --
Sota Nagase, Yoshiki Yamamoto, Koichiro Sawa, Kiyoshi Yoshida (NIT) EMD2019-72
Abstract (in Japanese) (See Japanese page) 
(in English) The electromagnetic contactor was opened and closed in air or in hydrogen. The arc duration ta, arc energy Ea, arc extinction current, contact resistance Rc, etc. were measured from the waveform of the breaking arc discharge. The power supply voltage was AC100V, 50Hz. The closed contact current Io was set at 10, 30 A, and the gas pressure was set at 0.5, 1, 3 atm. The effects of the ambient gas of Air and hydrogen (H2) on the characteristics of the arc were compared. As a result, it was confirmed that the arc duration time ta in the air was not affected by Io. The arc extinction current was about 1 A in air but became 3 A or more in hydrogen. Therefore, it was confirmed that the arc duration time ta in air was not affected by Io. On the other hand, in hydrogen, it became shorter when the ambient pressure was 3 atm. The arc extinction current was about 1 A in air but became 3A or more in hydrogen. Furthermore, it was found that the contact resistance Rc was smaller in hydrogen and more stable.
Keyword (in Japanese) (See Japanese page) 
(in English) Electromagnetic contactor / Electrical Contact / Arc duration / Arc energy / Contact Resistance / Ambient Gas / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 466, EMD2019-72, pp. 65-70, March 2020.
Paper # EMD2019-72 
Date of Issue 2020-02-28 (EMD) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
Copyright
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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 2020-03-06 - 2020-03-06 
Place (in Japanese) (See Japanese page) 
Place (in English) CHIBA Institute of Technology Tsudanuma Campus 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Short NOTE 
Paper Information
Registration To EMD 
Conference Code 2020-03-EMD 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Influence of Ambient Gas on Breaking Arc Discharge of Electromagnetic contactor 
Sub Title (in English) Effect of Gas Pressure and Current 
Keyword(1) Electromagnetic contactor  
Keyword(2) Electrical Contact  
Keyword(3) Arc duration  
Keyword(4) Arc energy  
Keyword(5) Contact Resistance  
Keyword(6) Ambient Gas  
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Keyword(8)  
1st Author's Name Sota Nagase  
1st Author's Affiliation Nippon Institute of Technology (NIT)
2nd Author's Name Yoshiki Yamamoto  
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
Date Time 2020-03-06 16:50:00 
Presentation Time 15 
Registration for EMD 
Paper # IEICE-EMD2019-72 
Volume (vol) IEICE-119 
Number (no) no.466 
Page pp.65-70 
#Pages IEICE-6 
Date of Issue IEICE-EMD-2020-02-28 


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