Low concentration ratio solar array for low Earth orbit multi-100 kW application. Volume 1: Design, analysis and development tests. Final Report
Technical Report
·
OSTI ID:6629314
A preliminary design effort directed toward a low concentration ratio photovoltaic array system capable of delivering multihundred kilowatts (300 kW to 1000 kW range) in low earth orbit is described. The array system consists of two or more array modules each capable of delivering between 113 kW to 175 kW using silicon solar cells or gallium arsenide solar cells, respectively. The array module deployed area is 1320 square meters and consists of 4356 pyramidal concentrator elements. The module, when stowed in the Space Shuttle's payload bay, has a stowage volume of a cube with 3.24 meters on a side. The concentrator elements are sized for a geometric concentration ratio (GCR) of six with an aperture area of .25 sq. m. The structural analysis and design trades leading to the baseline design are discussed. It describes the configuration, as well as optical, thermal and electrical performance analyses that support the design and overall performance estimates for the array are described.
- Research Organization:
- Rockwell International Corp., Downey, CA (USA). Space Div.
- OSTI ID:
- 6629314
- Report Number(s):
- N-83-36548; NASA-CR-170869
- Country of Publication:
- United States
- Language:
- English
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