Low-cost system for sunlight incidence angle measurement using optical fiber

Area of Science:

• Renewable Energy Systems
• Photovoltaic Technology
• Sustainable Energy Models

Background:

• Photovoltaic energy is crucial for reducing greenhouse gas emissions and advancing sustainable energy.
• Optimal solar incidence angle is vital for maximizing photovoltaic energy absorption.
• Existing simulation models often neglect crucial environmental factors like obstructions, albedo, and local weather.

Purpose of the Study:

• To design and implement a system for accurately estimating the optimum angle of solar incidence for photovoltaic panels.
• To overcome the limitations of simulation-based methods by incorporating real-world environmental influences.
• To enhance the efficiency and performance of photovoltaic energy systems.

Main Methods:

• Developed a system with 33 measurement points arranged in arcs (45° azimuth, 22.5° elevation).
• Utilized optical fibers to capture light at each measurement point.
• Employed a single RGB camera and a flat array to measure the captured light power.

Main Results:

• The system provides a comprehensive analysis of solar incidence across a wide range of angles.
• Direct measurement allows for the integration of environmental factors ignored by simulations.
• The methodology enables precise determination of the optimal angle for maximum energy absorption.

Conclusions:

• The developed system offers a more accurate method for determining optimal photovoltaic panel angles compared to traditional simulations.
• This approach can lead to significant improvements in the energy yield and efficiency of photovoltaic installations.
• Accurate angle optimization is essential for maximizing the contribution of solar energy to a secure and sustainable energy future.