Abstract
An exergetic optimization is developed to determine the optimal performance and design parameters of a solar photovoltaic (PV) array. A detailed energy and exergy analysis is carried out to evaluate the electrical performance, exergy destruction components, and exergy efficiency of a typical PV array. The exergy efficiency of a PV array obtained in this paper is a function of climatic, operating, and design parameters such as ambient temperature, solar radiation intensity, PV array temperature, overall heat loss coefficient, open-circuit voltage, short-circuit current, maximum power point voltage, maximum power point current, and PV array area. A computer simulation program is also developed to estimate the electrical and operating parameters of a PV array. The results of numerical simulation are in good agreement with the experimental measurements noted in the previous literature. Finally, exergetic optimization has been carried out under given climatic, operating, and design parameters. The optimized values of the PV array temperature, the PV array area, and the maximum exergy efficiency have been found. Parametric studies have been also carried out.
Highlights
Renewable energies are going to be a main substitute for fossil fuels in the coming years for their clean and renewable nature
PV array performance parametrically depends on climatic, operating, and design parameters such as ambient temperature, solar radiation intensity, PV array temperature, overall heat loss coefficient, open-circuit voltage, shortcircuit current, maximum power point voltage, maximum power point current, and PV array area
The values of climatic, operating, and design parameters in the parametric studies of PV array are described in Table 1, except that the parameters are changed during parametric studies that are indicated by the above of respective figures
Summary
Renewable energies are going to be a main substitute for fossil fuels in the coming years for their clean and renewable nature. PV array performance parametrically depends on climatic, operating, and design parameters such as ambient temperature, solar radiation intensity, PV array temperature, overall heat loss coefficient, open-circuit voltage, shortcircuit current, maximum power point voltage, maximum power point current, and PV array area It can be evaluated in terms of energy efficiency and exergy efficiency. They compared energy, electrical, exergy efficiencies under given climatic and operating conditions They did not fulfill the computer simulation and optimization of a PV array. They calculated the energy, electrical, and exegry efficiencies under given experimental data and gave useful results They did not obtain the exergy destruction components of PV array. The exergetic optimization of PV array will be carried out; the effect of climatic, design, and operating parameters on exergy efficiency will be studied. The exergy destruction components and exergy efficiency of PV array will be computed and optimized
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