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| Presentation | 2021-01-22 15:30 Basic Study on Analysis of Electromagnetic Noise in Power Line Connected with LED Bulbs Seiya Takano, Ryoya Hirabayashi, Takashi Kasuga (NIT,Nagano College), Hiroshi Inoue (Akita Univ.)  EMCJ2020-69 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | As the current noise flow on the power line with multiple LED bulbs was measured, the increment mechanism of noise current generated from each LED Bulb is not appeared.Analytical study is needed to make clear the noise flow and radiation on the power line.In this study, to analyze the current flowed on the power line with LED Bulb, analysis model for powerline and LED power circuit model is developed. Since the current noise from LED Bulb is measured, amplitude and period of switching pulse current are changed. In the FDTD analysis, noise current model changed as amplitude and period is needed. The LED power circuit model is constructed with bridge diode and noise source. The bridge diode to interconnect noise source and power line is importantparts in this analysis model. When the rectangular voltage noise is applied to bridge diode and power line, differentiated current waveform isobserved on the power line, because the bridge diode is reverse biased.The current pulse is reflected by the impedance mismatch part in the LISN and LED power circuit. However, in order to match the measured and calculated waveforms, it is necessary to include the loss due to PVC in the calculation. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | LED bulbs / Current noise / FDTD method / Electromagnetic analysis / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 120, no. 333, EMCJ2020-69, pp. 29-34, Jan. 2021. | |
| Paper # | EMCJ2020-69 | |
| Date of Issue | 2021-01-15 (EMCJ) | |
| 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 | EMCJ2020-69 |
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| Conference Information | |
| Committee | EMCJ |
| Conference Date | 2021-01-22 - 2021-01-22 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | EMCJ |
| Conference Code | 2021-01-EMCJ |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Basic Study on Analysis of Electromagnetic Noise in Power Line Connected with LED Bulbs |
| Sub Title (in English) | |
| Keyword(1) | LED bulbs |
| Keyword(2) | Current noise |
| Keyword(3) | FDTD method |
| Keyword(4) | Electromagnetic analysis |
| Keyword(5) | |
| Keyword(6) | |
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| Keyword(8) | |
| 1st Author's Name | Seiya Takano |
| 1st Author's Affiliation | National Institute of Technology, Nagano College (NIT,Nagano College) |
| 2nd Author's Name | Ryoya Hirabayashi |
| 2nd Author's Affiliation | National Institute of Technology, Nagano College (NIT,Nagano College) |
| 3rd Author's Name | Takashi Kasuga |
| 3rd Author's Affiliation | National Institute of Technology, Nagano College (NIT,Nagano College) |
| 4th Author's Name | Hiroshi Inoue |
| 4th Author's Affiliation | Akita University (Akita Univ.) |
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| Speaker | Author-1 |
| Date Time | 2021-01-22 15:30:00 |
| Presentation Time | 25 minutes |
| Registration for | EMCJ |
| Paper # | EMCJ2020-69 |
| Volume (vol) | vol.120 |
| Number (no) | no.333 |
| Page | pp.29-34 |
| #Pages | 6 |
| Date of Issue | 2021-01-15 (EMCJ) |
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