Abstract: Taking the structure of PV / T collector as the research object, the performance evaluation model is established from three aspects of technology, effect and cost characteristics to carry out the comprehensive evaluation of the performance of PV / T collector. The influence of structural parameters, meteorological parameters and solar term on the performance of PV/T collector is studied. The results show that the structural parameters, the link meteorological parameters and the service life have great influence on the conversion efficiency, output energy and cost. Under certain conditions, when the solar cell coverage is 0.4 and 0.8, the equivalent thermal efficiency is 58.0% and 64.5% respectively; When the solar irradiance is 500W / m² and 800W / m², the output heat is 13481kJ and 29005kJ respectively. When the design life is 10 years, 20 years and 30 years, the cost is 3861 yuan, 4074.799 yuan and 4205.76 yuan respectively. This study provides a new way to comprehensively evaluate the performance of PV / T collector.

Key words: PV / T collector, Technical characteristics, Effect characteristics, Cost characteristics