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Paper Abstract and Keywords
Presentation 2020-02-14 14:35
Observations of break arc behaviors of AgSnO2 contacts in a DC inductive load under application of an external magnetic field
Makoto Hasegawa, Seika Tokumitsu (Chitose Inst. of Science & Technology) R2019-56 EMD2019-56
Abstract (in Japanese) (See Japanese page) 
(in English) When AgSnO2 contacts were operated to break an inductive DC load circuit up to 20V-17A with an applied external magnetic field of about B=120mT at contact opening speeds in the range of 1mm/s to 200mm/s, in the cases where apparent magnetic blowing phenomena were not observed, break arcs were likely to extinguish after moving in the direction opposite to the Lorentz force direction. When a magnet was placed so that the resultant Lorentz force was to be applied in a horizontal direction, similar phenomena where break arcs extinguished after moving in the direction opposite to the resultant horizontal Lorentz force was observed with satisfactory repeatability. Thus, such phenomena were confirmed not to be caused by gravity. However, any physical mechanism which can explain the phenomena are still unknown.
Keyword (in Japanese) (See Japanese page) 
(in English) electrical contacts / AgSnO2 contacts / break arc / inductive load / magnetic blowing / arc movement / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 412, EMD2019-56, pp. 13-16, Feb. 2020.
Paper # EMD2019-56 
Date of Issue 2020-02-07 (R, EMD) 
ISSN Print edition: ISSN 0913-5685    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 R2019-56 EMD2019-56

Conference Information
Committee EMD R  
Conference Date 2020-02-14 - 2020-02-14 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EMD 
Conference Code 2020-02-EMD-R 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Observations of break arc behaviors of AgSnO2 contacts in a DC inductive load under application of an external magnetic field 
Sub Title (in English)  
Keyword(1) electrical contacts  
Keyword(2) AgSnO2 contacts  
Keyword(3) break arc  
Keyword(4) inductive load  
Keyword(5) magnetic blowing  
Keyword(6) arc movement  
Keyword(7)  
Keyword(8)  
1st Author's Name Makoto Hasegawa  
1st Author's Affiliation Chitose Institute of Science and Technology (Chitose Inst. of Science & Technology)
2nd Author's Name Seika Tokumitsu  
2nd Author's Affiliation Chitose Institute of Science and Technology (Chitose Inst. of Science & Technology)
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Speaker Author-1 
Date Time 2020-02-14 14:35:00 
Presentation Time 25 minutes 
Registration for EMD 
Paper # R2019-56, EMD2019-56 
Volume (vol) vol.119 
Number (no) no.411(R), no.412(EMD) 
Page pp.13-16 
#Pages 4 
Date of Issue 2020-02-07 (R, EMD) 

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