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Temperature Measurements of Breaking Arc between Copper Contacts at Three Constant Speeds (10, 20 and 30 mm/s)

Tetsuya KITAJIMA, Junya SEKIKAWA, Mitsuru TAKEUCHI, Takayoshi KUBONO

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Summary :

The purpose of this study is to examine the impact of the opening speed on a breaking arc. The opening speeds are 10, 20 and 30 mm/s. The breaking arc is generated in a D.C. 42 V/10.5 A circuit, and the arc voltage, the arc current, the gap length and the arc spectrum intensity are measured. Arc temperature is calculated by using a Boltzmann plot. Even if the opening speed is changed, the arc temperature starts from a high temperature, and falls gradually to 4650-4750 K with time. Namely, the opening speed has no influence on the arc temperature.

Publication
IEICE TRANSACTIONS on Electronics Vol.E87-C No.8 pp.1361-1366
Publication Date
2004/08/01
Publicized
Online ISSN
DOI
Type of Manuscript
Special Section PAPER (Special Section on IS-EMD2003--Recent Technical Trend of Electro-Mechanical Devices)
Category
Arc Discharge

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