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Investigation of high voltage spacecraft system interactions with plasma environmentsAn experimental investigation was undertaken for insulator and conductor test surfaces biased up to + or - 1kV in a simulated low earth orbit charged particle environment. It was found that these interactions are controlled by the insulator surfaces surrounding the biased conductors. For positive applied voltages the electron current collection can be enhanced by the insulators. For negative applied voltages the insulator surface confines the voltage to the conductor region. Understanding these interactions and the technology to control their impact on system operation is essential to the design of solar cell arrays for ion drive propulsion applications that use direct drive power processing.
Document ID
19780013430
Document Type
Conference Paper
Authors
Stevens, N. J. (NASA Lewis Research Center Cleveland, OH, United States)
Berkopec, F. D. (NASA Lewis Research Center Cleveland, OH, United States)
Purvis, C. K. (NASA Lewis Research Center Cleveland, OH, United States)
Grier, N. (NASA Lewis Research Center Cleveland, OH, United States)
Staskus, J. V. (NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
September 3, 2013
Publication Date
April 1, 1978
Subject Category
ELECTRONICS AND ELECTRICAL ENGINEERING
Report/Patent Number
NASA-TM-78831
E-9536
Meeting Information
Intern. Elec. Propulsion Conf.(San Diego, CA)
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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