研究目的
The main purpose of this study is to increase the output power by decreasing the surface temperatures of PV panels by using different cooling methods.
研究成果
The study demonstrated that aluminum fins and thermoelectric modules effectively reduce PV panel temperatures and increase output power. However, inappropriate PCM selection can negatively impact performance. The fin cooling system was found to be the most economical and efficient.
研究不足
The complexity of PV cooling system makes it difficult to reduce the surface temperature of the PV panel. The investment cost of water cooling systems will increase greatly.
1：Experimental Design and Method Selection:
Different cooling methods (PCM, TE, aluminum fins) were applied to PV panels to compare their effects on surface temperatures and output powers.
2：Sample Selection and Data Sources:
Polycrystalline photovoltaic solar panels were used, and measurements included surface temperatures, ambient temperature, air velocity, solar radiation, load current and voltage, short circuit current, and open circuit voltage.
3：List of Experimental Equipment and Materials:
Equipment included thermocouples, a pyranometer, an anemometer, an infrared thermometer, and a datalogger. Materials included PCMs (Biphenyl and CaCl2·6H2O), thermoelectric modules, and aluminum fins.
4：Experimental Procedures and Operational Workflow:
Experiments were conducted under clear sky conditions, with measurements taken at different times of the day. The performance of each cooling method was evaluated based on temperature reduction and power output.
5：Data Analysis Methods:
Data were analyzed to compare the energy and exergy efficiencies of the different cooling systems.
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