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A Comparison of a Solar Power Satellite Concept to a Concentrating Solar Power SystemA comparison is made of a solar power satellite (SPS) concept in geostationary Earth orbit to a concentrating solar power (CSP) system on the ground to analyze overall efficiencies of each infrastructure from solar radiance at 1 AU to conversion and transmission of electrical energy into the power grid on the Earth's surface. Each system is sized for a 1-gigawatt output to the power grid and then further analyzed to determine primary collector infrastructure areas. Findings indicate that even though the SPS concept has a higher end-to-end efficiency, the combined space and ground collector infrastructure is still about the same size as a comparable CSP system on the ground.
Document ID
20140003205
Document Type
Conference Paper
Authors
Smitherman, David V. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Date Acquired
April 18, 2014
Publication Date
September 10, 2013
Subject Category
Energy Production and Conversion
Report/Patent Number
M13-2825
Meeting Information
AIAA 2013 Space Conference and Exposition(SAn Diego, CA)
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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