Presentation 2008-12-19
Duration of Carbon Arcs at Electrode Gaps Shorter than 2.0mm and Currents Lower than 0.2A
Keiichi SUHARA, Minori WATANABE,
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Abstract(in English) Metallic arcs become unstable at currents near the minimum arc current; and their duration becomes short. This study investigates whether carbon arcs reveal the same phenomena. Arc discharge durations were measured at electrode gaps shorter than 2.0mm, and at currents lower than 0.2A; the effects of gap lengths and currents on mean arc durations were examined; as a result, the current was found to be more effective than the gap length. Arc duration was about 10ms at 0.1A; it became shorter when the current became lower; and it was about 60μs at 0.04A.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Carbon Arc / Arc Duration / Short Gap Arc / Minimum Arc Current
Paper # EMD2008-106
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Committee EMD
Conference Date 2008/12/12(1days)
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Registration To Electromechanical Devices (EMD)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Duration of Carbon Arcs at Electrode Gaps Shorter than 2.0mm and Currents Lower than 0.2A
Sub Title (in English)
Keyword(1) Carbon Arc
Keyword(2) Arc Duration
Keyword(3) Short Gap Arc
Keyword(4) Minimum Arc Current
1st Author's Name Keiichi SUHARA
1st Author's Affiliation Department of Electrical Engineering, Tokyo National College of Technology()
2nd Author's Name Minori WATANABE
2nd Author's Affiliation Department of Electrical Engineering, Tokyo National College of Technology
Date 2008-12-19
Paper # EMD2008-106
Volume (vol) vol.108
Number (no) 368
Page pp.pp.-
#Pages 4
Date of Issue