In this study, an exergy analysis of two kinds of solar-driven cogeneration systems consisting of solar collectors and an organic\nRankine cycle (ORC) is presented for series mode and parallel mode. Three kinds of solar collectors are considered: flat-plate\ncollectors (FPC), evacuated tube collectors (ETC), and parabolic trough collectors (PTC). This study mainly compares the\nexergy output of the two kinds of solar cogeneration systems under different temperatures of the return heating water and\ndifferent inlet temperatures of the solar collectors. This study shows that, from the perspective of Wnet or�����
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