Experimental and TRNSYS-Based Evaluation of PV Temperature Effects on Energy Output
DOI:
https://doi.org/10.36119/15.2025.10.2Keywords:
solar energy, photovoltaic panels, temperature coefficient, dynamic simulation, monocrystalline, polycrystalline, amorphousAbstract
This study investigates the impact of temperature on the performance of three photovoltaic technologies: monocrystalline, polycrystalline, and amorphous silicon. Laboratory tests were conducted under two irradiance levels (500 and 830 W/m2) and temperatures ranging from 30°C to 70°C. Key electrical parameters were measured to determine temperature coefficients. TRNSYS simulations based on the experimental data were performed to assess annual energy yield. Results show that monocrystalline panels have the highest efficiency but are the most sensitive to temperature, while amorphous panels exhibit greater thermal stability despite lower power output. Effective cooling is essential to maintain performance, especially in warm climates.
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