Presentation 2012-11-30
Arc Erosion of Carbon Contacts in Bio-fuels for Automobile
ChanWei Cheng, Koichiro Sawa, Takahiro Ueno,
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Abstract(in Japanese) (See Japanese page)
Abstract(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 butanol and MTBE added to the previous results in air, gasoline, ethanol and methanol, to evaluate the arc erosion of commutator and brush.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) DC motor / flat commutator / brush / commutation arc / switching contact / arc erosion
Paper # EMD2012-70
Date of Issue

Conference Information
Committee EMD
Conference Date 2012/11/23(1days)
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Paper Information
Registration To Electromechanical Devices (EMD)
Language ENG
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 Automobile
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 ChanWei Cheng
1st Author's Affiliation Nippon Institute of Technology()
2nd Author's Name Koichiro Sawa
2nd Author's Affiliation Nippon Institute of Technology
3rd Author's Name Takahiro Ueno
3rd Author's Affiliation Nippon Institute of Technology
Date 2012-11-30
Paper # EMD2012-70
Volume (vol) vol.112
Number (no) 332
Page pp.pp.-
#Pages 5
Date of Issue