A comprehensive energy consumption numerical model for photovoltaic glass Trombe wall was established using EnergyPlus to explore the changes in building energy consumption under the coupling effects of heat, light, and electricity during building operation. Through on-site experiments, the predictive effectiveness of the comprehensive energy consumption numerical model for heat transfer, lighting, and power generation modules will be verified. Once again, the validated comprehensive model will be combined with meteorological data from five typical cities in Northwestern China to conduct a comprehensive analysis of energy consumption and energy-saving effects. Finally, set up a blank control room to obtain the collective energy-saving effect of the photovoltaic glass Trombe wall with the best comprehensive performance. The results show that the optimal transmittance of photovoltaic glass Trombe walls in Xi’an, Lanzhou, Yinchuan, Xining, and Urumqi in the northwest region are 30%, 40%, 50%, 55%, and 60%, respectively; Compared to ordinary rooms, the energy-saving rates of the optimal energy consumption of photovoltaic glass Trombe walls are 18.4%, 21.9%, 22.7%, 21.4%, and 16.9%, respectively. The research results can provide reference for the specific application of integrated solar photovoltaic building technology in Northwestern China, and jointly promote the development of the building energy-saving industry.
Key words
building-integrated PV /
Trombe wall /
energy consumption /
amorphous silicon optoelectronic glass
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