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Paper Abstract and Keywords
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
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)
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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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