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Paper Abstract and Keywords
Presentation 2012-11-30 14:30
Arc Erosion of Carbon Contacts in Bio-fuels for Automobille
Cheng Chan Wei, Koichiro Sawa, Takahiro Ueno (Nippon Inst. of Tech.) EMD2012-70 Link to ES Tech. Rep. Archives: EMD2012-70
Abstract (in Japanese) (See Japanese page) 
(in English) In a DC motor, arcing occurs during commutation, which causes wear of commutator and brush . This is often one of practical problems in the DC motor. To evaluate the wear of commutator and brush mechanical wear and arc erosion have to be separated respectively. For this purpose a switching device system is developed and the arc discharge almost equivalent to the commutation arc is realized. Using this system the mass change of carbon contacts is examined in air, gasoline, ethanol, methanol, buthanol and MTBE to evaluate the arc erosion of commutator and brush.
Keyword (in Japanese) (See Japanese page) 
(in English) DC motor / flat commutator / brush / commutation arc / switching contact / arc erosion / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 332, EMD2012-70, pp. 37-41, Nov. 2012.
Paper # EMD2012-70 
Date of Issue 2012-11-23 (EMD) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 EMD2012-70 Link to ES Tech. Rep. Archives: EMD2012-70

Conference Information
Committee EMD  
Conference Date 2012-11-30 - 2012-12-01 
Place (in Japanese) (See Japanese page) 
Place (in English) Chiba Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) International Session IS-EMD2012 
Paper Information
Registration To EMD 
Conference Code 2012-11-EMD 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Arc Erosion of Carbon Contacts in Bio-fuels for Automobille 
Sub Title (in English)  
Keyword(1) DC motor  
Keyword(2) flat commutator  
Keyword(3) brush  
Keyword(4) commutation arc  
Keyword(5) switching contact  
Keyword(6) arc erosion  
1st Author's Name Cheng Chan Wei  
1st Author's Affiliation Nippon Institute of Technology (Nippon Inst. of Tech.)
2nd Author's Name Koichiro Sawa  
2nd Author's Affiliation Nippon Institute of Technology (Nippon Inst. of Tech.)
3rd Author's Name Takahiro Ueno  
3rd Author's Affiliation Nippon Institute of Technology (Nippon Inst. of Tech.)
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Speaker Author-1 
Date Time 2012-11-30 14:30:00 
Presentation Time 20 minutes 
Registration for EMD 
Paper # EMD2012-70 
Volume (vol) vol.112 
Number (no) no.332 
Page pp.37-41 
Date of Issue 2012-11-23 (EMD) 

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