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| Presentation | 2019-02-15 13:30 Influence of width of magnets on shape of break arcs magnetically blown-out in a 500VDC/10A resistive circuit Yuta Kaneko, Sekikawa Junya (Shizuoka Univ.)  R2018-53 EMD2018-54 Link to ES Tech. Rep. Archives: EMD2018-54 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Silver electrical contacts are separated at constant opening speed in a 500VDC resistive circuit. Break arcs are extinguished by magnetic blow-out. Circuit current when contacts are closed is 10A. Supply voltage is varied between 200-500V. In order to simplify horizontal deformation of the break arcs, width of permanents magnet is varied to 20, 30, 40, and 50 mm. The break arcs are photographed from two directions of the front and top sides using two high speed cameras. The shape of break arcs is analyzed by the images of the break arcs taken by the high-speed cameras. And arc duration is investigated. The following results are shown. Arc duration is not depend on the supply voltage and the width of the magnet. The curve of central portion in the horizontal direction of the break arcs increases with increasing supply voltage. The curve of central portion in the horizontal direction of the break arcs decreases with increasing width of the magnets. And the shape of break arc becomes liner from M shape. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Electrical contact / Electromagnetic relay / Permanent magnet / High speed camera / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 118, no. 447, EMD2018-54, pp. 7-12, Feb. 2019. | |
| Paper # | EMD2018-54 | |
| Date of Issue | 2019-02-08 (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 | R2018-53 EMD2018-54 Link to ES Tech. Rep. Archives: EMD2018-54 |
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| Conference Information | |
| Committee | EMD R |
| Conference Date | 2019-02-15 - 2019-02-15 |
| 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 | 2019-02-EMD-R |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Influence of width of magnets on shape of break arcs magnetically blown-out in a 500VDC/10A resistive 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 | Yuta Kaneko |
| 1st Author's Affiliation | Shizuoka University (Shizuoka Univ.) |
| 2nd Author's Name | Sekikawa Junya |
| 2nd Author's Affiliation | Shizuoka University (Shizuoka Univ.) |
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| Speaker | Author-1 |
| Date Time | 2019-02-15 13:30:00 |
| Presentation Time | 25 minutes |
| Registration for | EMD |
| Paper # | R2018-53, EMD2018-54 |
| Volume (vol) | vol.118 |
| Number (no) | no.446(R), no.447(EMD) |
| Page | pp.7-12 |
| #Pages | 6 |
| Date of Issue | 2019-02-08 (R, EMD) |
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