Arc tracking energy balance for copper and aluminum aeronautic cables

Arc tracking tests have been carried out between two voluntarily damaged aeronautic cables. Copper or aluminum conductors have been exposed to short circuits under alternating current. Various data have been recorded (arc voltage and current, radiated power and ablated mass), enabling to determine a...

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Bibliographic Details
Published in:Journal of physics. Conference series 2017-04, Vol.825 (1), p.12001
Main Authors: André, T, Valensi, F, Teulet, P, Cressault, Y, Zink, T, Caussé, R
Format: Article
Language:English
Subjects:
Ablation
Aeronautics
Aluminum
Arc deposition
Cables
Conductors
Copper
Insulation
Physics
Short circuits
Tracking
Vaporization
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Summary:Arc tracking tests have been carried out between two voluntarily damaged aeronautic cables. Copper or aluminum conductors have been exposed to short circuits under alternating current. Various data have been recorded (arc voltage and current, radiated power and ablated mass), enabling to determine a power balance, in which every contribution is estimated. The total power is mainly transferred to the cables (between 50 and 65%, depending on the current and the cable type), and causes the melting and partial vaporization of the metallic core and insulating material, or is conducted or radiated. The other part is deposited into the arc column, being either radiated, convected or conducted.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/825/1/012001