Mohammad Hamdan, E. Abdelhafez, Akram Musa, S. Ajib
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引用次数: 0
摘要
光伏(PV)功率预测对于在能源生态系统中高效利用太阳能至关重要。它能确保电网稳定、节约成本,并将太阳能无缝集成到更广泛的能源基础设施中。在这项工作中,我们利用之前获得的光伏发电功率估算数据来预测光伏发电功率,这些数据是通过以不同间距连接在光伏背面的 L 型铝鳍片来冷却的。为此,采用了神经网络模型和多元线性回归 (MLR) 技术来评估带有 L 型铝鳍片的光伏发电功率与其输入变量之间的相关性。为此采用了两种不同的方法。第一种方法涉及传统的 MLR 模型,第二种方法利用神经网络,特别是多层感知器 (MLP) 模型。随后,将估计结果与先前测量的数据进行了比较。据指出,MLP 模型在识别输入和输出变量之间的关系方面表现出很强的能力。统计误差研究证明,在使用 MLP 模型时,数据挖掘的准确性是可以接受的。相反,结果表明,MLR 技术在估算带有 L 型铝鳍片的光伏发电功率方面能力最低。
Estimation of Photovoltaic Module Performance with L-Shaped Aluminum Fins Using Weather Data
Photovoltaic (PV) power prediction is vital for efficient and effective solar energy utilization within the energy ecosystem. It enables grid stability, cost savings, and the seamless integration of solar power into the broader energy infrastructure. In this work, previously obtained data on the estimation of the power produced by a PV, which is cooled by L-shaped aluminum fins attached to the backside of the PV at different spacings, is used to predict the power produced by the PV. This is achieved by employing both neural network models and multiple linear regression (MLR) techniques to assess the correlation between power generated by PV with L-shaped aluminum fins and its input variables. Two distinct approaches were employed for this purpose. The first approach involved the conventional MLR model, while the second utilized a neural network, specifically the multilayer perceptron (MLP) model. The estimated outcomes were subsequently compared against the previously measured data. The MLP model showed a great ability to identify the relationship between input and output variables, it was noted. The statistical error study provided evidence of data mining’s acceptable accuracy when using the MLP model. Conversely, the results indicated that the MLR technique exhibited the least ability to estimate the power generated by PV with L-shaped aluminum fins.
期刊介绍:
- Industrial and municipal waste management - Pro-ecological technologies and products - Energy-saving technologies - Environmental landscaping - Environmental monitoring - Climate change in the environment - Sustainable development - Processing and usage of mineral resources - Recovery of valuable materials and fuels - Surface water and groundwater management - Water and wastewater treatment - Smog and air pollution prevention - Protection and reclamation of soils - Reclamation and revitalization of degraded areas - Heavy metals in the environment - Renewable energy technologies - Environmental protection of rural areas - Restoration and protection of urban environment - Prevention of noise in the environment - Environmental life-cycle assessment (LCA) - Simulations and computer modeling for the environment