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Paper Abstract and Keywords
Presentation 2025-07-18 13:55
Magnetic blowing-out of break arcs using an electrical contact equipped with resistors in a 200 VDC/10 A circuit
Ren Takeuchi, Jyunya Sekikawa (Shizuoka Univ.) EMD2025-3
Abstract (in Japanese) (See Japanese page) 
(in English) Electrical contacts with a fixed contact made of a silver cylindrical rod and a movable contact with resistors was separated at a constant separating speed of 1.0 m/s in a 200 VDC/10 A resistive circuit to generate break arcs. Transverse magnetic field is applied to the break arcs, and the anode spots are induced to the electrode via the resistor-equipped electrode. The results of analyzing the arc duration of the break arcs and the relationship with the resistance value Rx of the resistors are reported. The resistance value Rx of the resistors mounted on the movable contact are set to 0 Ω, 10 Ω, 20 Ω, 40 Ω, and 100 Ω. The magnetic flux density By of the transverse magnetic field is set to 20 mT. Following results are shown. When the Rx was 0 Ω, 10 Ω, 20 Ω, and 40 Ω, the anode spots were transferred to the electrode. When the Rx is 100 Ω, the anode spots was not transferred to the electrode. When the Rx is 40 $Omega$, the arc duration was the shortest. When the Rx is 100 Ω, the arc duration was the longest.
Keyword (in Japanese) (See Japanese page) 
(in English) Break Arc / Electrical contacts / High Speed Camera / / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 123, EMD2025-3, pp. 13-18, July 2025.
Paper # EMD2025-3 
Date of Issue 2025-07-11 (EMD) 
ISSN 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 EMD2025-3

Conference Information
Committee EMD EMCJ WPT  
Conference Date 2025-07-18 - 2025-07-18 
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 2025-07-EMD-EMCJ-WPT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Magnetic blowing-out of break arcs using an electrical contact equipped with resistors in a 200 VDC/10 A circuit 
Sub Title (in English)  
Keyword(1) Break Arc  
Keyword(2) Electrical contacts  
Keyword(3) High Speed Camera  
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1st Author's Name Ren Takeuchi  
1st Author's Affiliation Shizuoka University (Shizuoka Univ.)
2nd Author's Name Jyunya Sekikawa  
2nd Author's Affiliation Shizuoka University (Shizuoka Univ.)
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Speaker Author-1 
Date Time 2025-07-18 13:55:00 
Presentation Time 25 minutes 
Registration for EMD 
Paper # EMD2025-3 
Volume (vol) vol.125 
Number (no) no.123 
Page pp.13-18 
#Pages 6 
Date of Issue 2025-07-11 (EMD) 

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