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| Presentation | 2013-11-17 10:25 Experimental study on root profile of molten bridge under different current at low opening speed Xinyun Zhang, Xinglei Cui, Xue Zhou, Guofu Zhai (Harbin Inst. of Tech.)  EMD2013-108 Link to ES Tech. Rep. Archives: EMD2013-108 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | To study the molten bridge phenomenon of contacts at the initial breaking process, an experimental device of molten bridge between slowly opening contacts was developed. The system consists of the contact moving control module, the circuit load and the observation module. The molten bridge of copper contact under two load conditions 9V/19A and 9V/7.3A were studied. The voltage and current characteristics curves of Cu molten bridge were extracted and the resistance and the instantaneous power of the molten bridge were analyzed. The image of the Cu molten bridge diameter was captured by CCD under 9V/19A and the influences of the contact force and the separation speed on the molten bridge length and the crater diameter of the anode were studied. The root profile of the Cu contacts after separation was analyzed by digital microscope. Research results show that the Cu molten bridge length has the same changing trend as the diameter of the anode crater. They both decrease with the increment of the separation speed and the decrement of the contact force. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | molten bridge / contact force / separation speed / root profile / Cu / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 113, no. 298, EMD2013-108, pp. 135-138, Nov. 2013. | |
| Paper # | EMD2013-108 | |
| Date of Issue | 2013-11-09 (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 | EMD2013-108 Link to ES Tech. Rep. Archives: EMD2013-108 |
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| Conference Information | |
| Committee | EMD |
| Conference Date | 2013-11-16 - 2013-11-17 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Huazhong University of Science and Technology, Wuhan, P.R.China |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | International Session IS-EMD2013 |
| Paper Information | |
| Registration To | EMD |
| Conference Code | 2013-11-EMD |
| Language | English |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Experimental study on root profile of molten bridge under different current at low opening speed |
| Sub Title (in English) | |
| Keyword(1) | molten bridge |
| Keyword(2) | contact force |
| Keyword(3) | separation speed |
| Keyword(4) | root profile |
| Keyword(5) | Cu |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Xinyun Zhang |
| 1st Author's Affiliation | Harbin Institute of Technology (Harbin Inst. of Tech.) |
| 2nd Author's Name | Xinglei Cui |
| 2nd Author's Affiliation | Harbin Institute of Technology (Harbin Inst. of Tech.) |
| 3rd Author's Name | Xue Zhou |
| 3rd Author's Affiliation | Harbin Institute of Technology (Harbin Inst. of Tech.) |
| 4th Author's Name | Guofu Zhai |
| 4th Author's Affiliation | Harbin Institute of Technology (Harbin Inst. of Tech.) |
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| Speaker | Author-3 |
| Date Time | 2013-11-17 10:25:00 |
| Presentation Time | 15 minutes |
| Registration for | EMD |
| Paper # | EMD2013-108 |
| Volume (vol) | vol.113 |
| Number (no) | no.298 |
| Page | pp.135-138 |
| #Pages | 4 |
| Date of Issue | 2013-11-09 (EMD) |
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