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Paper Abstract and Keywords
Presentation 2012-11-30 10:45
Arc Length of Break Arcs Magnetically Blown-out at Arc Extinction
Hitoshi Ono, Junya Sekikawa (Shizuoka Univ.) EMD2012-66 Link to ES Tech. Rep. Archives: EMD2012-66
Abstract (in Japanese) (See Japanese page) 
(in English) Silver electrical contacts are separated at constant speed and break arcs are generated in a DC300V-450V/10A resistive circuit. The transverse magnetic field of the permanent magnet is applied to the break arcs. The alumina pipes are put on the contacts, and the motion of break arcs is restricted. Dependences of the arc lengthening time and the arc length just before arc extinction L on the strength of the magnetic field and supply voltage are investigated. As a result, the arc lengthening time increases with increase of the supply voltage E. The arc lengthening time tends to decrease when the magnetic flux density Bx is increased. The arc length L increases with increase of the supply voltage E. The arc length L increases with decrease of the magnetic flux density Bx. The arc length L increases linearly with increase of arc lengthening time tm when no re-ignitions occur.
Keyword (in Japanese) (See Japanese page) 
(in English) Arc discharge / Permanent magnet / External magnetic field / Electrical contact / / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 332, EMD2012-66, pp. 13-18, Nov. 2012.
Paper # EMD2012-66 
Date of Issue 2012-11-23 (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)
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Conference Information
Committee EMD  
Conference Date 2012-11-30 - 2012-12-01 
Place (in Japanese) (See Japanese page) 
Place (in English) Chiba Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) International Session IS-EMD2012 
Paper Information
Registration To EMD 
Conference Code 2012-11-EMD 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Arc Length of Break Arcs Magnetically Blown-out at Arc Extinction 
Sub Title (in English)  
Keyword(1) Arc discharge  
Keyword(2) Permanent magnet  
Keyword(3) External magnetic field  
Keyword(4) Electrical contact  
1st Author's Name Hitoshi Ono  
1st Author's Affiliation Shizuoka University (Shizuoka Univ.)
2nd Author's Name Junya Sekikawa  
2nd Author's Affiliation Shizuoka University (Shizuoka Univ.)
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Speaker Author-1 
Date Time 2012-11-30 10:45:00 
Presentation Time 20 minutes 
Registration for EMD 
Paper # EMD2012-66 
Volume (vol) vol.112 
Number (no) no.332 
Page pp.13-18 
Date of Issue 2012-11-23 (EMD) 

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