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Paper Abstract and Keywords
Presentation 2022-01-21 10:05
Detection of fault locations in an unbranched power distribution line using deep learning algorithm
Daiki Nagata, Tohlu Matsushima, Yuki Fukumoto, Hideaki Kawano, Shunya Fujioka (Kyushu Inst of Tech) EMCJ2021-61
Abstract (in Japanese) (See Japanese page) 
(in English) In fault detection in overhead power distribution systems, it is desired to take immediate response with fewer people. Therefore, a novel method using TDR(Time Domain Reflecting) has been developed for fault detection in the overhead distribution system.
However, it is known that in complex network with multiple branches and power distribution equipment such as transformers and switches, it is difficult to accurately identify the accident point due to waveform distortion and decrease in amplitude of TDR pulse.
In this report, A method for detecting fault points from TDR waveforms using deep learning was proposed.The proposed method can be used to locate fault in complex power distribution networks where multiple reflected waves are observed. In this report the TDR waveform data was generated for a simple straight unbranched distribution line.
A large amount of waveform data is required for deep learning. In this case, these data are obtained by circuit simulation. Therefore, for circuit simulation, the power distribution line is treated as a transmission line, and the primary constant of the line was obtained by calculating electromagnetic field of the cross-sectional structure. The transmission line was represented by cascading the fundamental matrix. The equivalent circuit model of the constructed power distribution network was calculated using MATLAB, and an environment was constructed to generate TDR waveform data. As a result, the TDR waveform data of a fault can locate the fault point, fault type and fault line.
Keyword (in Japanese) (See Japanese page) 
(in English) TDR method / distribution system / accident point probe / deep learning / fundamental matrix / / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 339, EMCJ2021-61, pp. 1-6, Jan. 2022.
Paper # EMCJ2021-61 
Date of Issue 2022-01-14 (EMCJ) 
ISSN Online edition: ISSN 2432-6380
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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 2022-01-21 - 2022-01-21 
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 2022-01-EMCJ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Detection of fault locations in an unbranched power distribution line using deep learning algorithm 
Sub Title (in English)  
Keyword(1) TDR method  
Keyword(2) distribution system  
Keyword(3) accident point probe  
Keyword(4) deep learning  
Keyword(5) fundamental matrix  
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1st Author's Name Daiki Nagata  
1st Author's Affiliation Kyushu Institute of Technology (Kyushu Inst of Tech)
2nd Author's Name Tohlu Matsushima  
2nd Author's Affiliation Kyushu Institute of Technology (Kyushu Inst of Tech)
3rd Author's Name Yuki Fukumoto  
3rd Author's Affiliation Kyushu Institute of Technology (Kyushu Inst of Tech)
4th Author's Name Hideaki Kawano  
4th Author's Affiliation Kyushu Institute of Technology (Kyushu Inst of Tech)
5th Author's Name Shunya Fujioka  
5th Author's Affiliation Kyushu Institute of Technology (Kyushu Inst of Tech)
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Speaker Author-1 
Date Time 2022-01-21 10:05:00 
Presentation Time 25 minutes 
Registration for EMCJ 
Paper # EMCJ2021-61 
Volume (vol) vol.121 
Number (no) no.339 
Page pp.1-6 
#Pages
Date of Issue 2022-01-14 (EMCJ) 


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