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Paper Abstract and Keywords
Presentation 2021-02-12 13:35
Photograph observation of 12 parallel discharge arcs generated in the atmosphere by a reliable trigger gap switch
Tomokatsu Aizawa (Tokyo Metropolitan College) R2020-34 EMD2020-25
Abstract (in Japanese) (See Japanese page) 
(in English) This trigger gap switch has a switching circuit that combines multiple main electrodes and induced electric field generating coils. This circuit is electromagnetically coupled to another trigger discharge circuit in the atmosphere. When the trigger circuit is discharged, the magnetic flux intersects the switching circuit and an induced electric field is generated. The resulting voltage is generated between each main electrode of the gap switch, and 12-discharge arcs occur. The discharge current flowing from the charged capacitor bank through this switch flows so as to cancel the inductance of the switching circuit. The coils of the switching circuit are wound for 4 turns and are electromagnetically coupled to the trigger discharge circuit placed just outside. The switching circuit and the trigger discharge circuit are selected so that all main electrodes are discharged even when there is no capacitor charging voltage between each main electrode. The entire 12-arcs photo (still image) is taken with an exposure time of approximately 1 second.
Keyword (in Japanese) (See Japanese page) 
(in English) Spark gap switch / Reliable trigger discharge / Induced electric field / Parallel 12-arc discharge / Arc observation / / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 361, EMD2020-25, pp. 1-6, Feb. 2021.
Paper # EMD2020-25 
Date of Issue 2021-02-05 (R, 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)
Download PDF R2020-34 EMD2020-25

Conference Information
Committee EMD R  
Conference Date 2021-02-12 - 2021-02-12 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EMD 
Conference Code 2021-02-EMD-R 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Photograph observation of 12 parallel discharge arcs generated in the atmosphere by a reliable trigger gap switch 
Sub Title (in English)  
Keyword(1) Spark gap switch  
Keyword(2) Reliable trigger discharge  
Keyword(3) Induced electric field  
Keyword(4) Parallel 12-arc discharge  
Keyword(5) Arc observation  
1st Author's Name Tomokatsu Aizawa  
1st Author's Affiliation Tokyo Metropolitan College of Technology (Tokyo Metropolitan College)
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Date Time 2021-02-12 13:35:00 
Presentation Time 25 
Registration for EMD 
Paper # R2020-34, EMD2020-25 
Volume (vol) 120 
Number (no) no.360(R), no.361(EMD) 
Page pp.1-6 
Date of Issue 2021-02-05 (R, EMD) 

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