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Theoretical Investigation of the Temperature Limits of an Actively Cooled High Concentration Photovoltaic System

1
Environmental and Sustainability Institute, University of Exeter, Penryn TR10 9FE, UK
2
Mechanical Power Engineering Department, Port Said University, Port Said 42523, Egypt
*
Author to whom correspondence should be addressed.
Energies 2020, 13(8), 1902; https://doi.org/10.3390/en13081902
Received: 28 March 2020 / Revised: 9 April 2020 / Accepted: 9 April 2020 / Published: 13 April 2020
(This article belongs to the Section E: Thermal Management)
Concentrator photovoltaics have several advantages over flat plate systems. However, the increase in solar concentration usually leads to an increase in the solar cell temperature, which decreases the performance of the system. Therefore, in this paper, we investigate the performance and temperature limits of a high concentration photovoltaic Thermal system (HCPVT) based on a 1 cm2 multi-junction solar cell subjected to a concentration ratio from 500× to 2000× by using three different types of cooling fluids (water, ethylene glycol and water mixture (60:40), and syltherm oil 800). The results show that, for this configuration, the maximum volumetric temperature of the solar cell did not exceed the manufacturer’s recommended limit for the tested fluids. At 2000× the lowest solar cell temperature obtained by using water was 93.5 °C, while it reached as high as 109 °C by using syltherm oil 800, which is almost equal to the maximum operating limit provided by the manufacturer (110 °C). Overall, the best performance in terms of temperature distribution, thermal, and electrical efficiency was achieved by using water, while the highest outlet temperature was obtained by using syltherm oil 800. View Full-Text
Keywords: multi-junction solar cell; HCPV; minichannel; finite element method multi-junction solar cell; HCPV; minichannel; finite element method
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MDPI and ACS Style

Ahmed, A.; Shanks, K.; Sundaram, S.; Mallick, T.K. Theoretical Investigation of the Temperature Limits of an Actively Cooled High Concentration Photovoltaic System. Energies 2020, 13, 1902. https://doi.org/10.3390/en13081902

AMA Style

Ahmed A, Shanks K, Sundaram S, Mallick TK. Theoretical Investigation of the Temperature Limits of an Actively Cooled High Concentration Photovoltaic System. Energies. 2020; 13(8):1902. https://doi.org/10.3390/en13081902

Chicago/Turabian Style

Ahmed, Asmaa, Katie Shanks, Senthilarasu Sundaram, and Tapas K. Mallick 2020. "Theoretical Investigation of the Temperature Limits of an Actively Cooled High Concentration Photovoltaic System" Energies 13, no. 8: 1902. https://doi.org/10.3390/en13081902

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