研究目的
To determine the PV cell temperature effect on PV performance in the climate of Jitra Kedah, Malaysia and to improve the electrical efficiency of the SPV panel with a front water spraying cooling system.
研究成果
The active cooling technique of water spraying over the PV module is effective in reducing the cell temperature by up to 22°C, leading to a 10.5% improvement in PV power output efficiency. This technique also has the advantage of self-cleaning, which can increase the life cycle of the PV panel.
研究不足
The study was conducted in a specific climate (Jitra Kedah, Malaysia), which may limit the generalizability of the results to other climates. The experimental setup used a specific type of PV panel (STF-100P6), and results may vary with different PV technologies.
1：Experimental Design and Method Selection:
A simple and efficient front water spraying cooling system was designed and developed to introduce active cooling in order to eliminate heat. The performance of the proposed cooling system was tested and evaluated for the weather climate of Jitra Kedah, Malaysia.
2：Sample Selection and Data Sources:
Two PV modules were used, one as a reference and the other with water spray based cooling technique. Temperature data was collected from thermocouples attached at the back, surface of the PV panel, and ambient reading.
3：List of Experimental Equipment and Materials:
The setup included a 100W polycrystalline SPV, two water pumps, a tank, nozzles, thermocouples type-K, and an Arduino Nano ATmega328P controller.
4：Experimental Procedures and Operational Workflow:
The cooling water was stored in a tank connected to the cooling system through a plastic hose pipe. Water was pumped through the pipeline and nozzles to cool the PV panel. Temperature and solar irradiance data were collected and simulated to determine PV efficiency.
5：Data Analysis Methods:
The performance of the PV panel was simulated using MATLAB Simulink with the collected temperature data to generate power-voltage (PV) and current-voltage (IV) curves.
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