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Paper Abstract and Keywords
Presentation 2020-03-06 16:35
Influence of Magnetic Flux Density and Breaking Speed on Magnetic Blowout of DC Arc Discharge
Hiroki Yamauchi, Hayato Watanabe, Koichiro Sawa, Kiyoshi Yoshida (NIT) EMD2019-71 Link to ES Tech. Rep. Archives: EMD2019-71
Abstract (in Japanese) (See Japanese page) 
(in English) The arc duration time ta and the arc energy Ea when a magnetic flux was applied to the electrical contact were measured. The effect of the magnetic blow-out was confirmed from the experimental results. The experimental conditions were as follows: the power supply voltage was DC100V, and the closing current Io was varied in the range of 0.5 to 30A. Electrical contact materials were tungsten (W) and silver (Ag). The magnetic flux density was set to 0 mT, 5 mT, and 10 mT, and the opening speed of the electrical contact was set to 25 mm/s, 50 mm/s, and 100 mm/s.
As a result, ta was short when the magnetic flux was applied, while it was significantly long without the magnetic flux. However, it was confirmed that ta when the magnetic flux was applied becomes longer when Io is small. Therefore, it was presumed that the effect of magnetic blowing was reduced when the current was small. Furthermore, when the breaking speed was low, ta became longer
Keyword (in Japanese) (See Japanese page) 
(in English) Magnetic Blowout / Electrical Contacts / Arc Duration / Arc Energy / Magnetic Flux Density / Breaking Speed / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 466, EMD2019-71, pp. 61-64, March 2020.
Paper # EMD2019-71 
Date of Issue 2020-02-28 (EMD) 
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 EMD2019-71 Link to ES Tech. Rep. Archives: EMD2019-71

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 Magnetic Flux Density and Breaking Speed on Magnetic Blowout of DC Arc Discharge 
Sub Title (in English)  
Keyword(1) Magnetic Blowout  
Keyword(2) Electrical Contacts  
Keyword(3) Arc Duration  
Keyword(4) Arc Energy  
Keyword(5) Magnetic Flux Density  
Keyword(6) Breaking Speed  
1st Author's Name Hiroki Yamauchi  
1st Author's Affiliation Nippon Institute of Technology (NIT)
2nd Author's Name Hayato Watanabe  
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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Date Time 2020-03-06 16:35:00 
Presentation Time 15 
Registration for EMD 
Paper # IEICE-EMD2019-71 
Volume (vol) IEICE-119 
Number (no) no.466 
Page pp.61-64 
#Pages IEICE-4 
Date of Issue IEICE-EMD-2020-02-28 

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