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Paper Abstract and Keywords
Presentation 2023-07-21 16:05
Measurement of Common Mode Current due to Power Line Pattern Change with Multiple LED Bulbs Connected
Kana Ozawa, Takashi Kasuga (NITNC), Hiroshi Inoue (Akita Univ.) EMCJ2023-33
Abstract (in Japanese) (See Japanese page) 
(in English) The purpose of this study is to investigate the increase of common mode noise due to unbalanced wiring pattern of indoor LED lighting. The common mode current was measured in the cascade wiring model, which was studied by increasing the number of LED bulbs, and in the wiring pattern in which the power line was branched assuming the actual usage environment. A switch line was provided to turn the LED on and off, and the change in current flowing through the power supply line was measured according to the length of the switch line. Cascading and branching increase the current at 100MHz or less because the wiring length is longer in cascaded connection, but current noise increased in the branched range from 100 to 300MHz. When the switch wire was lengthened, the current flowing to the LISN side decreased and the current to the LED1 side increased. As a result of measuring the current distribution on the switch line, the current is large on the LED side and decreases when approaching the switch.
Keyword (in Japanese) (See Japanese page) 
(in English) LED lighting / common mode current / wiring pattern / / / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 125, EMCJ2023-33, pp. 23-28, July 2023.
Paper # EMCJ2023-33 
Date of Issue 2023-07-14 (EMCJ) 
ISSN Online edition: ISSN 2432-6380
Copyright
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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 WPT EMCJ EMD  
Conference Date 2023-07-21 - 2023-07-21 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
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Paper Information
Registration To EMCJ 
Conference Code 2023-07-WPT-EMCJ-EMD 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Measurement of Common Mode Current due to Power Line Pattern Change with Multiple LED Bulbs Connected 
Sub Title (in English)  
Keyword(1) LED lighting  
Keyword(2) common mode current  
Keyword(3) wiring pattern  
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1st Author's Name Kana Ozawa  
1st Author's Affiliation National Institute of Technology, Nagano College (NITNC)
2nd Author's Name Takashi Kasuga  
2nd Author's Affiliation National Institute of Technology, Nagano College (NITNC)
3rd Author's Name Hiroshi Inoue  
3rd Author's Affiliation Akita University (Akita Univ.)
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Speaker Author-2 
Date Time 2023-07-21 16:05:00 
Presentation Time 25 minutes 
Registration for EMCJ 
Paper # EMCJ2023-33 
Volume (vol) vol.123 
Number (no) no.125 
Page pp.23-28 
#Pages
Date of Issue 2023-07-14 (EMCJ) 


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