Holographic CPV field tests at the Tucson Electric Power solar test yard

Holographic concentrators incorporated into PV modules were used to build a 1600 W grid-tied PV system at the Tucson Electric Power solar test yard. Holograms in concentrating photovoltaic (CPV) modules diffract light to increase irradiance on PV cells within each module. No tracking is needed for l...

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Bibliographic Details
Main Authors: Cronin, A. D., Castillo, J. E., Hauser, P., Rosenberg, G. A., Kumar, R., Kostuk, R. K., Deming Zhang, Russo, J. M., Vorndran, S., Lonij, V. P. A., Greenberg, J., Brooks, A.
Format: Conference Proceeding
Language:English
Subjects:
Current measurement
Face
Inverters
Plastics
Power systems
Temperature
Testing
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Summary:Holographic concentrators incorporated into PV modules were used to build a 1600 W grid-tied PV system at the Tucson Electric Power solar test yard. Holograms in concentrating photovoltaic (CPV) modules diffract light to increase irradiance on PV cells within each module. No tracking is needed for low concentration ratios, and the holographic elements are significantly less expensive than the PV cells. Additional advantages include bi-facial acceptance of light, reduced operating temperature, and increased cell efficiency. These benefits are expected to result in higher energy yields [kwh] per unit cost. Field tests of the holographic concentrator system are reported here. A performance ratio greater than 1 was observed. The field tests include comparison with other flat plate non-tracking PV systems at the same test yard. Predicted yields are also compared with the data.
ISSN:0160-8371
DOI:10.1109/PVSC.2011.6186423