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  • 11
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    Electrical breakdown of Space Station Freedom surfaces (1992)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Space Station Freedom (SSF) will be the largest and highest power spacecraft that the U.S. has put into orbit. The solar array will generate 160 volts nominal when in sunlight, and the present baseline design is for the negative end of the solar array to be tied to SSF structure. Due to the balance of leakage currents through the plasma, the structure will be driven approximately 140 volts negative of the ambient conductive ionospheric plasma. Surface materials such as anodized aluminum will have this voltage drop across a thin dielectric which may not have sufficient dielectric strength to prevent dielectric breakdown. This can lead to arcing on the exterior surfaces of Space Station.
    Keywords: SPACECRAFT PROPULSION AND POWER
    Type: AIAA PAPER 92-0820
    Format: text
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
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