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Charge Neutralization via Arcing on a Large Solar Array in the GEO Plasma Environment

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5 Author(s)
T. Kawasaki ; Lab. of Spacecraft Environ. Interaction Eng., Kyushu Inst. of Technol., Kitakyushu ; S. Hosoda ; J. Kim ; K. Toyoda
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The purpose of this paper is to investigate the arc plasma propagation phenomena in a geostationary-orbit plasma environment. Electrostatic discharge tests were carried out using a large solar-array coupon (400 times 400 mm). The coupon consisted of 50 Si cells. The surface potential of the solar-array coupon immediately after arc inception was measured. The area neutralized due to arc plasma propagation differed in each arc. Some arcs neutralized a large area of solar cells even though the ratio of neutralization was not 100% everywhere. As the distance from the arc site increased, less charge was generally neutralized. The arc plasma propagation velocity was of the order of 104 m/s; but, it differed widely in each arc

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IEEE Transactions on Plasma Science  (Volume:34 ,  Issue: 5 )