研究目的
To present an analytical model that considers the tilt angle of the field along with the modules and evaluates the direct solar energy accumulation within a given time period, optimizing field and module tilt angles for solar photovoltaic arrays.
研究成果
The study concludes that optimizing both the modules' and the field's tilt angles can significantly increase solar energy collection. Near-horizontal modules collect 35% more energy than those tilted at the latitude angle, and latitude-tilted modules mounted on a 16? inclined field collect 48% more energy than those on a horizontal field. The developed model and contour plots provide valuable tools for solar engineers to optimize solar photovoltaic arrays.
研究不足
The study focuses on direct solar energy accumulation and does not account for diffuse and total solar radiation potential. Additionally, the financial cost-benefit analysis of projects based on the proposed concepts was not undertaken.
1：Experimental Design and Method Selection:
The study presents an analytical model for evaluating the direct solar energy accumulation by photovoltaic modules installed on an inclined field, considering the tilt angles of both the modules and the field. The model was validated by comparing results with measurements from a computer-aided 3D model.
2：Sample Selection and Data Sources:
A virtual site in Auckland, New Zealand (latitude: ~36.86?S) was chosen for simulations. The solar radiation database, including direct normal irradiation and sun positions, was obtained from the TRNSYS package.
3：86?S) was chosen for simulations. The solar radiation database, including direct normal irradiation and sun positions, was obtained from the TRNSYS package.
List of Experimental Equipment and Materials:
3. List of Experimental Equipment and Materials: The study used a computer-aided 3D model developed in Google Sketchup for validation purposes.
4：Experimental Procedures and Operational Workflow:
The model was simulated to determine the number of modules that can be fitted into a given space and the solar energy accumulation during a specified time period, varying the tilt angles of the modules and the field.
5：Data Analysis Methods:
The results were analyzed to optimize the tilt angles for maximum solar energy collection, including the development of contour plots for energy collection over specified ranges of tilt angles.
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