Taking an office building in Sanya as an example,the traditional refrigeration system,solar photovoltaic refrigeration system and solar photothermal refrigeration system are established based on TRNSYS,and the energy consumption of the system is simulated.Then,with energy,economic and environmental benefits as the evaluation indicators,the entropy weight-TOPSIS method is used to comprehensively evaluate the traditional refrigeration system,two different schemes of the photoelectric refrigeration system,and the photothermal refrigeration system,and compare the schemes. The results show that the comprehensive benefits of the two different schemes of the solar photovoltaic refrigeration system are significantly better than the traditional refrigeration system,the photovoltaic refrigeration system scheme matched by power consumption is better than the system scheme matched by the maximum installation area,and the solar photovoltaic refrigeration system has better comprehensive benefits than the solar photothermal refrigeration system.
Key words
solar /
refrigeration /
photovoltaic /
photothermal /
entropy weight-TOPSIS /
comprehensive evaluation
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