Evaluation of a heliostat tracker for linear Fresnel lens photovoltaic concentrators
Technical Report
·
OSTI ID:6819357
This report presents the results of an evaluation of a heliostat tracking structure used as a two-axis tracking platform for ENTECH's linear focus Fresnel lens photovoltaic collectors. The study included the installation and operation of a heliostat tracker populated with 30 modules (1 operational and 29 non-operational) on a 32-ft x 32-ft platform. Details of the array installation, collector mounting, and array tracking accuracy are provided. Test results demonstrate that the heliostat tracker meets the performance requirements imposed by the collector. The evaluation includes a comparison of the heliostat tracker approach with the current tracker approach (a roll/tilt array). Results of the comparison do not identify a clearly superior option.
- Research Organization:
- Entech, Inc., Dallas-Fort Worth Airport, TX (USA); Sandia National Labs., Albuquerque, NM (USA)
- DOE Contract Number:
- AC04-76DP00789
- OSTI ID:
- 6819357
- Report Number(s):
- SAND-86-7038; ON: DE87006331
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
14 SOLAR ENERGY
140501* -- Solar Energy Conversion-- Photovoltaic Conversion
ACCURACY
ALIGNMENT
CONCENTRATOR SOLAR CELLS
DIRECT ENERGY CONVERTERS
EQUIPMENT
FRESNEL LENS
HELIOSTATS
LENSES
PERFORMANCE
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
SOLAR CELL ARRAYS
SOLAR CELLS
SOLAR COLLECTORS
SOLAR EQUIPMENT
SOLAR TRACKING
SOLAR TRACKING SYSTEMS
140501* -- Solar Energy Conversion-- Photovoltaic Conversion
ACCURACY
ALIGNMENT
CONCENTRATOR SOLAR CELLS
DIRECT ENERGY CONVERTERS
EQUIPMENT
FRESNEL LENS
HELIOSTATS
LENSES
PERFORMANCE
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
SOLAR CELL ARRAYS
SOLAR CELLS
SOLAR COLLECTORS
SOLAR EQUIPMENT
SOLAR TRACKING
SOLAR TRACKING SYSTEMS