Investigation of parameters of photothermoconverter based on Si solar cells

A photothermoconverting unit based on thin (180 μm) high-efficiency solar cells manufactured by Sunoasis (the People’s Republic of China) has been developed, and its parameters have been investigated under the full-scale conditions of Tashkent. The output photovoltaic parameters of this photothermoconverting system have been studied under different temperatures; the temperature coefficients DUnl/DT and Dh/DT of the solar cells in a solar array are determined. The differences in the values of the temperature coefficients for the isolated solar cells and for those in a solar array are analyzed. A method to experimentally determine the “overheating” temperature of the solar cell incorporated in a solar array is proposed. The recommendations for further investigations are developed.

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