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Paper Abstract and Keywords
Presentation 2011-11-17 15:15
The Effect of Transverse Magnetic Field on Arcing Duration of Electrical Contact
Liu Yun, Xu Guangda, Li Zhenbiao, Zhao Laijun (Huazhong Univ. of Science and Tech.), Makoto Hasegawa (Chitose Inst. of Science and Tech.) EMD2011-80
Abstract (in Japanese) (See Japanese page) 
(in English) Application of transverse magnetic field (TMF) is one of the most important ways to improve electric life and breaking capacity of DC relays. For better understanding of dependence of arc durations on transverse magnetic field, a series of experiments were conducted under an external transverse magnetic field with 12 pairs of AgSnO2 contacts in a DC 28V - 60A/30A/5A circuit, respectively. By using permanent magnets, the transverse magnetic field was obtained and the magnetic flux density at the gap center was varied from 13 to 94 mT. The results show that breaking arc duration is decreased monotonically with increases in the magnetic flux density, but making arc duration isn。ッt decreased monotonically with increases in the magnetic flux density. In addition, both of the magnetic flux density and the breaking arc duration have threshold values Bl and Tbmin, respectively, which means the breaking arc duration is almost stable with the value Tbmin even if the magnetic flux density is higher than Bl.
Keyword (in Japanese) (See Japanese page) 
(in English) Transverse magnetic field (TMF) / Arc duration / Relay / Contact / / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 299, EMD2011-80, pp. 73-77, Nov. 2011.
Paper # EMD2011-80 
Date of Issue 2011-11-10 (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 2011-11-17 - 2011-11-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Akita Univ. Tegata Campus 
Topics (in Japanese) (See Japanese page) 
Topics (in English) International Session IS-EMD2011 
Paper Information
Registration To EMD 
Conference Code 2011-11-EMD 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) The Effect of Transverse Magnetic Field on Arcing Duration of Electrical Contact 
Sub Title (in English)  
Keyword(1) Transverse magnetic field (TMF)  
Keyword(2) Arc duration  
Keyword(3) Relay  
Keyword(4) Contact  
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1st Author's Name Liu Yun  
1st Author's Affiliation Huazhong University of Science and Technology (Huazhong Univ. of Science and Tech.)
2nd Author's Name Xu Guangda  
2nd Author's Affiliation Huazhong University of Science and Technology (Huazhong Univ. of Science and Tech.)
3rd Author's Name Li Zhenbiao  
3rd Author's Affiliation Huazhong University of Science and Technology (Huazhong Univ. of Science and Tech.)
4th Author's Name Zhao Laijun  
4th Author's Affiliation Huazhong University of Science and Technology (Huazhong Univ. of Science and Tech.)
5th Author's Name Makoto Hasegawa  
5th Author's Affiliation Chitose Institute of Science and Technology (Chitose Inst. of Science and Tech.)
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Speaker Author-3 
Date Time 2011-11-17 15:15:00 
Presentation Time 20 minutes 
Registration for EMD 
Paper # EMD2011-80 
Volume (vol) vol.111 
Number (no) no.299 
Page pp.73-77 
#Pages 5 
Date of Issue 2011-11-10 (EMD) 

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