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Paper Abstract and Keywords
Presentation 2024-03-01 14:40
Effects of inductance and surrounding gas on DC break arc discharge
Shion Ozaki, Kiyoshi Yoshida (NIT) EMD2023-43
Abstract (in Japanese) (See Japanese page) 
(in English) The effects of resistive load and inductance on arc discharge during DC power cut-off were investigated. A small electromagnetic contactor was installed in the ambient atmosphere variable chamber, source voltage E was set to 200V DC, and closed contact current Io was set to 1 to 30A. There were two types of surrounding gas: clean air and hydrogen. The atmospheric pressure was set at 0.5, 1, 2, and 4 atm. The experiments were conducted six times at each closed contact current I₀ under each load condition and surrounding gas, and the arc discharge at breaking was observed. As a result, regardless of the gas, the higher the gas pressure, the shorter the arc duration, and by adding inductance, the arc duration became longer. In clean air, arc discharge continued at a closing current of 10A or more, making it impossible to breaking.
Keyword (in Japanese) (See Japanese page) 
(in English) Electromagnetic contactor / Electrical Contact / Arc duration / Arc energy / Contact Resistance / Hydrogen / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 404, EMD2023-43, pp. 25-29, March 2024.
Paper # EMD2023-43 
Date of Issue 2024-02-23 (EMD) 
ISSN 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 EMD2023-43

Conference Information
Committee EMD  
Conference Date 2024-03-01 - 2024-03-01 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English) Short NOTE 
Paper Information
Registration To EMD 
Conference Code 2024-03-EMD 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Effects of inductance and surrounding gas on DC break arc discharge 
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)  
Keyword(8)  
1st Author's Name Shion Ozaki  
1st Author's Affiliation Nippon Institute of Technology (NIT)
2nd Author's Name Kiyoshi Yoshida  
2nd Author's Affiliation Nippon Institute of Technology (NIT)
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Speaker Author-1 
Date Time 2024-03-01 14:40:00 
Presentation Time 20 minutes 
Registration for EMD 
Paper # EMD2023-43 
Volume (vol) vol.123 
Number (no) no.404 
Page pp.25-29 
#Pages 5 
Date of Issue 2024-02-23 (EMD) 

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