Design of large, low-concentration-ratio solar arrays for low earth orbit applications
Conference
·
· Proc., Intersoc. Energy Convers. Eng. Conf.; (United States)
OSTI ID:5355091
This paper describes an ongoing preliminary design effort directed toward a low-concentration-ratio photovoltaic array based on 1984 technology and capable of delivering several hundred kilowatts of electrical power in low earth orbit. The array consists of rectangular modules of about 1,400 square meters in area, each consisting of approximately 4,400 pyramidal concentrator elements. The modules are stored in the Space Shuttle's payload bay as cubes (3.24 meters on a side) and are deployed and extended in orbit by means of canister/mast assemblies. The concentrator elements are sized for a geometric concentration ratio (GCR) of six and may be used either with silicon (Si) or gallium arsenide (GaAs) solar cells. The paper discusses the structural analysis and design trades leading to the baseline design. It also describes the optical, thermal and electrical performance analyses that support the design and provide overall performance estimates for the array.
- Research Organization:
- Rockwell International Corp., Seal Beach, CA
- OSTI ID:
- 5355091
- Report Number(s):
- CONF-820814-
- Conference Information:
- Journal Name: Proc., Intersoc. Energy Convers. Eng. Conf.; (United States) Journal Volume: 3
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
14 SOLAR ENERGY
140501* -- Solar Energy Conversion-- Photovoltaic Conversion
CAPACITY
CONCENTRATION RATIO
CRYSTAL STRUCTURE
CRYSTALLOGRAPHY
DESIGN
DIRECT ENERGY CONVERTERS
ELECTRIC POWER
ELECTRONIC EQUIPMENT
EQUIPMENT
FORECASTING
GALLIUM ARSENIDE SOLAR CELLS
MODULAR STRUCTURES
ORBITS
PERFORMANCE
PERFORMANCE TESTING
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
POWER
POWER SUPPLIES
SILICON SOLAR CELLS
SOLAR CELL ARRAYS
SOLAR CELLS
SOLAR CONCENTRATORS
SOLAR EQUIPMENT
SPACE VEHICLES
SPACECRAFT POWER SUPPLIES
STRUCTURE FACTORS
TESTING
VEHICLES
140501* -- Solar Energy Conversion-- Photovoltaic Conversion
CAPACITY
CONCENTRATION RATIO
CRYSTAL STRUCTURE
CRYSTALLOGRAPHY
DESIGN
DIRECT ENERGY CONVERTERS
ELECTRIC POWER
ELECTRONIC EQUIPMENT
EQUIPMENT
FORECASTING
GALLIUM ARSENIDE SOLAR CELLS
MODULAR STRUCTURES
ORBITS
PERFORMANCE
PERFORMANCE TESTING
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
POWER
POWER SUPPLIES
SILICON SOLAR CELLS
SOLAR CELL ARRAYS
SOLAR CELLS
SOLAR CONCENTRATORS
SOLAR EQUIPMENT
SPACE VEHICLES
SPACECRAFT POWER SUPPLIES
STRUCTURE FACTORS
TESTING
VEHICLES