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| Presentation | 2008-11-16 16:20 Study on Suppression of Radiated Electromagnetic Noise Generated by Electric Arc in Hybrid Relay Guofu Zhai, Wenying Yang, Xianbin Bian (Harbin Inst. of Tech.)  EMD2008-103 Link to ES Tech. Rep. Archives: EMD2008-103 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | A hybrid relay is composed of an electromagnetic relay (EMR) and an electric circuit in a metal or plastic shell, such as an electronic timing relay. Radiated electromagnetic interference generated by the electromagnetic relay is mainly from the electric arc when relay’s contacts separate. The radiated interference caused by the arc may strongly interfere with the nearby electric circuit. In the paper, the electric arc is measured during the operation of the electromagnetic relay. And spectra of the arc are obtained by Fourier method. A model of the hybrid relay is founded based on finite element method. And a thin shielding sheet made of copper is added in the model for protecting the electric circuit from electromagnetic noise generated by the electric arc. Shielding effectiveness of the copper sheet is quantitatively analyzed with the variation of the sheet's parameters. Because the frequency range of electromagnetic noise is wide, the composite sheet is applied to shield the interference. This sheet is composed of copper and iron, and its shielding effectiveness is calculated when the percentage of the iron sheet in whole shielding sheet is changed. Research in the paper is of great value for improving the electromagnetic compatibility of the hybrid relay and for reducing the electromagnetic interference generated by electric arc. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Hybrid relay / Electromagnetic interference / Finite element method / Electric arc / Shielding effectiveness / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 108, no. 296, EMD2008-103, pp. 153-156, Nov. 2008. | |
| Paper # | EMD2008-103 | |
| Date of Issue | 2008-11-08 (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 | EMD2008-103 Link to ES Tech. Rep. Archives: EMD2008-103 |
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| Conference Information | |
| Committee | EMD |
| Conference Date | 2008-11-15 - 2008-11-16 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tohoku Bunka Gakuin University (Sendai) |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | International Session on Electro-Mechanical Devices 2008 |
| Paper Information | |
| Registration To | EMD |
| Conference Code | 2008-11-EMD |
| Language | English |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Study on Suppression of Radiated Electromagnetic Noise Generated by Electric Arc in Hybrid Relay |
| Sub Title (in English) | |
| Keyword(1) | Hybrid relay |
| Keyword(2) | Electromagnetic interference |
| Keyword(3) | Finite element method |
| Keyword(4) | Electric arc |
| Keyword(5) | Shielding effectiveness |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Guofu Zhai |
| 1st Author's Affiliation | Harbin Institute Of Technology (Harbin Inst. of Tech.) |
| 2nd Author's Name | Wenying Yang |
| 2nd Author's Affiliation | Harbin Institute Of Technology (Harbin Inst. of Tech.) |
| 3rd Author's Name | Xianbin Bian |
| 3rd Author's Affiliation | Harbin Institute Of Technology (Harbin Inst. of Tech.) |
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| Speaker | Author-2 |
| Date Time | 2008-11-16 16:20:00 |
| Presentation Time | 20 minutes |
| Registration for | EMD |
| Paper # | EMD2008-103 |
| Volume (vol) | vol.108 |
| Number (no) | no.296 |
| Page | pp.153-156 |
| #Pages | 4 |
| Date of Issue | 2008-11-08 (EMD) |
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