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Paper Abstract and Keywords
Presentation 2023-06-30 13:50
Wear Characteristics of Carbon Brush under High Current Density
Shota Kanazawa, Takahiro Ueno, Koichiro Sawa (NIT) EMD2023-3
Abstract (in Japanese) (See Japanese page) 
(in English) As global warming becomes an important issue in the world, it is one of demands for energy saving to increase the single unit capacity of turbine generators. One way to solve this problem is to increase the diameter of slip rings, and steel slip rings have attracted attention as slip rings with superior strength and wear resistance that can withstand large diameters and high peripheral speeds. However, there are few reports on the use of steel slip rings at high current densities, and the brush wear process is still unclear.
In this study, high current density experiments were conducted using steel slip rings and copper graphite brushes. Experiments were conducted at different current densities (0～60 A/cm2), and wear characteristics were examined based on the contact voltage
drop during the experiments and the temperature of the sliding surfaces. Further, brush wear are discussed based on the results of post-experimental analysis.
Keyword (in Japanese) (See Japanese page) 
(in English) carbon brush / steel slip ring / turbine generator / wear / high current / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 94, EMD2023-3, pp. 13-16, June 2023.
Paper # EMD2023-3 
Date of Issue 2023-06-23 (EMD) 
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 EMD2023-3

Conference Information
Committee EMD  
Conference Date 2023-06-30 - 2023-06-30 
Place (in Japanese) (See Japanese page) 
Place (in English) Chitose Arcadia Plaza 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EMD 
Conference Code 2023-06-EMD 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Wear Characteristics of Carbon Brush under High Current Density 
Sub Title (in English)  
Keyword(1) carbon brush  
Keyword(2) steel slip ring  
Keyword(3) turbine generator  
Keyword(4) wear  
Keyword(5) high current  
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Keyword(8)  
1st Author's Name Shota Kanazawa  
1st Author's Affiliation Nippon Institute of Technology (NIT)
2nd Author's Name Takahiro Ueno  
2nd Author's Affiliation Nippon Institute of Technology (NIT)
3rd Author's Name Koichiro Sawa  
3rd Author's Affiliation Nippon Institute of Technology (NIT)
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Speaker Author-1 
Date Time 2023-06-30 13:50:00 
Presentation Time 20 minutes 
Registration for EMD 
Paper # EMD2023-3 
Volume (vol) vol.123 
Number (no) no.94 
Page pp.13-16 
#Pages 4 
Date of Issue 2023-06-23 (EMD) 

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