A 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.
A Comparison of a Solar Power Satellite Concept to a Concentrating Solar Power System
AIAA 2013 Space Conference and Exposition ; 2013 ; SAn Diego, CA, United States
2013-09-10
Conference paper
No indication
English
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