21 February 2012 Dynamic thermal analysis of a concentrated photovoltaic system
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Abstract
Concentrated photovoltaic (PV) technology represents a growing market in the field of terrestrial solar energy production. As the demand for renewable energy technologies increases, further importance is placed upon the modeling, design, and simulation of these systems. Given the U.S. Air Force cultural shift towards energy awareness and conservation, several concentrated PV systems have been installed on Air Force installations across the country. However, there has been a dearth of research within the Air Force devoted to understanding these systems in order to possibly improve the existing technologies. This research presents a new model for a simple concentrated PV system. This model accurately determines the steady state operating temperature as a function of the concentration factor for the optical part of the concentrated PV system, in order to calculate the optimum concentration that maximizes power output and efficiency. The dynamic thermal model derived is validated experimentally using a commercial polysilicon solar cell, and is shown to accurately predict the steady state temperature and ideal concentration factor.
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John T. Avrett, Stephen C. Cain, Michael Pochet, "Dynamic thermal analysis of a concentrated photovoltaic system", Proc. SPIE 8256, Physics, Simulation, and Photonic Engineering of Photovoltaic Devices, 82561V (21 February 2012); doi: 10.1117/12.908282; https://doi.org/10.1117/12.908282
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