研究目的
Investigating the combination of concentrating photovoltaic (CPV) and organic Rankine cycle (ORC) systems to reduce photovoltaic (PV) operating temperature and increase electric power production.
研究成果
The study concludes that there is an optimum temperature for the PV panel in which the total power production of the CPV/ORC system reaches its maximum value. It also finds that increasing the PV panel's nominal efficiency leads to a reduction of the PV panel's optimum operating temperature. The economic analysis shows that the combined CPV/ORC system performs better than conventional PV systems in terms of investment payback period and levelized cost of electricity for higher PV nominal efficiencies.
研究不足
The study does not take into consideration the CO2 avoidance costs in the cost analysis, which could improve the economic performance of both CPV/ORC and conventional PV systems.
1：Experimental Design and Method Selection:
The study involves the simulation of a modified CPV/ORC system to determine the optimum operating temperature of the PV panel for different PV efficiencies.
2：Sample Selection and Data Sources:
The simulation uses weather and direct solar radiation data from Tehran, Iran.
3：List of Experimental Equipment and Materials:
Includes a CPV system with a parabolic trough concentrator and a PV panel, and an ORC system with a recuperator.
4：Experimental Procedures and Operational Workflow:
The simulation calculates the electric power produced by the PV panel and the heat recovered by the ORC, determining the optimum PV panel temperature.
5：Data Analysis Methods:
The analysis involves calculating the total electric power production of the system and evaluating the impact of PV nominal efficiency on the optimum operating temperature.
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