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Paper Abstract and Keywords
Presentation 2016-12-16 14:55
Dependence of Arc Length at Arc Extinction of Break Arcs Magnetically Blown-out on Contact Material in DC High Voltage Circuit
Akinori Ishihara, Junya Sekikawa (Shizuoka Univ.) EMD2016-67
Abstract (in Japanese) (See Japanese page) 
(in English) Electrical contacts are separated at constant speed and break arcs are generated in a 200V-450V DC /10A resistive circuit. The break arcs are extinguished by magnetic blow-out. Arc length before extinction for the silver, copper, tungsten, molybdenum, carbon, palladium and nickel contact pairs is investigated for each supply voltage and the arc length before extinction for silver contacts is compared with that of other material contacts. As a result, the arc length before extinction for the silver, copper, tungsten, molybdenum and palladium contacts is almost the same in any supply voltage. The arc length before extinction for carbon contacts is shorter than that of silver contacts when the supply voltage is lower or equal to 250V and the arc length before extinction for carbon contacts is longer than that of silver contacts when the supply voltage is higher or equal to 400V. While, the arc length before extinction is longer than that of silver contacts in any supply voltage.
Keyword (in Japanese) (See Japanese page) 
(in English) Electrical contact / Electromagnetic relay / Permanent magnet / High speed camera / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 371, EMD2016-67, pp. 13-18, Dec. 2016.
Paper # EMD2016-67 
Date of Issue 2016-12-09 (EMD) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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)
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Conference Information
Committee EMD  
Conference Date 2016-12-16 - 2016-12-16 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EMD 
Conference Code 2016-12-EMD 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Dependence of Arc Length at Arc Extinction of Break Arcs Magnetically Blown-out on Contact Material in DC High Voltage Circuit 
Sub Title (in English)  
Keyword(1) Electrical contact  
Keyword(2) Electromagnetic relay  
Keyword(3) Permanent magnet  
Keyword(4) High speed camera  
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1st Author's Name Akinori Ishihara  
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 2016-12-16 14:55:00 
Presentation Time 25 minutes 
Registration for EMD 
Paper # EMD2016-67 
Volume (vol) vol.116 
Number (no) no.371 
Page pp.13-18 
#Pages 6 
Date of Issue 2016-12-09 (EMD) 

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