Phenomena of fault-arc propagation on cables and wires for space applications in vacuum and oxygen-enriched atmosphere and air

F. R. Frontzek; D. Koenig; M. D. Judd; H. J. Reher

doi:10.1117/12.174558

1 May 1994 Phenomena of fault-arc propagation on cables and wires for space applications in vacuum and oxygen-enriched atmosphere and air

F. R. Frontzek, D. Koenig, M. D. Judd, H. J. Reher

Author Affiliations +

Proceedings Volume 2259, XVI International Symposium on Discharges and Electrical Insulation in Vacuum; (1994) https://doi.org/10.1117/12.174558
Event: XVI International Symposium on Discharges and Electrical Insulation in Vacuum, 1994, Moscow-St. Petersburg, Russian Federation

Abstract

Investigations of fault arc propagation on spacecraft cables under spacecraft specific conditions, e.g. vacuum, normal and oxygen enriched atmosphere have been performed. Typical patterns of fault arc extinction have been identified and their consequences with respect to causes of damages are discussed. The results indicate that for a given test current and test voltage the behavior of the arc and the damages caused in a cable bundle depend strongly on the kind of insulation material, cable size and design as well as on the environmental conditions. For some cables the arc propagation effects are increased at higher oxygen partial pressure and significantly increased under vacuum. In many cases vacuum has turned out to be an important worst-case parameter. It was found that the amount of damage assessed by post-test measurements increases substantially, if the value of the test current grows.

Citation Download Citation

F. R. Frontzek, D. Koenig, M. D. Judd, and H. J. Reher "Phenomena of fault-arc propagation on cables and wires for space applications in vacuum and oxygen-enriched atmosphere and air", Proc. SPIE 2259, XVI International Symposium on Discharges and Electrical Insulation in Vacuum, (1 May 1994); https://doi.org/10.1117/12.174558

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