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Paper Abstract and Keywords
Presentation 2009-11-19 14:20
Characteristics of Break Arcs Driven by Transverse Magnetic Field in a DC High-voltage Resistive Circuit
Tomohiro Atsumi, Junya Sekikawa, Takayoshi Kubono (Shizuoka Univ.) EMD2009-79 Link to ES Tech. Rep. Archives: EMD2009-79
Abstract (in Japanese) (See Japanese page) 
(in English) Break arcs are generated between pure silver electrical contacts in a DC high-voltage resistive circuit. The break arc is driven by the external magnetic field of a permanent magnet from horizontal direction of contacts. Electrical contacts are separated at constant opening speed at 75mm/s. The maximum supply voltage is 300V. The maximum circuit current when electrical contacts are closed is 20A. The maximum output power of the supply is limited to 6.3kW. The gap between the contacts and the magnet is defined as x. The gap is varied from 2.5mm to 10.0mm to change the magnetic flux density that affects to the break arc. The break arc is observed with a high-speed camera. The effect of the magnetic field on the arc duration was examined. As a result, break arcs are successfully extinguished by the transverse magnetic field when the gap x is 2.5mm. Increasing the gap x, the effect of the magnet to shorten to arc duration decreased.
Keyword (in Japanese) (See Japanese page) 
(in English) Break arc / Arc discharge / Electrical contact / magnet / High-speed camera / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 287, EMD2009-79, pp. 41-44, Nov. 2009.
Paper # EMD2009-79 
Date of Issue 2009-11-12 (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 EMD2009-79 Link to ES Tech. Rep. Archives: EMD2009-79

Conference Information
Committee EMD  
Conference Date 2009-11-19 - 2009-11-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Nippon Institute of Technology, Kanda Campus, Tokyo, Japan 
Topics (in Japanese) (See Japanese page) 
Topics (in English) IS-EMD2009 (9th International Session on Electro-Mechanical Devices) 
Paper Information
Registration To EMD 
Conference Code 2009-11-EMD 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Characteristics of Break Arcs Driven by Transverse Magnetic Field in a DC High-voltage Resistive Circuit 
Sub Title (in English)  
Keyword(1) Break arc  
Keyword(2) Arc discharge  
Keyword(3) Electrical contact  
Keyword(4) magnet  
Keyword(5) High-speed camera  
1st Author's Name Tomohiro Atsumi  
1st Author's Affiliation Shizuoka University (Shizuoka Univ.)
2nd Author's Name Junya Sekikawa  
2nd Author's Affiliation Shizuoka University (Shizuoka Univ.)
3rd Author's Name Takayoshi Kubono  
3rd Author's Affiliation Shizuoka University (Shizuoka Univ.)
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Date Time 2009-11-19 14:20:00 
Presentation Time 20 
Registration for EMD 
Paper # IEICE-EMD2009-79 
Volume (vol) IEICE-109 
Number (no) no.287 
Page pp.41-44 
#Pages IEICE-4 
Date of Issue IEICE-EMD-2009-11-12 

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