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Efficient operation of residential solar panels with determination of the optimal tilt angle and optimal intervals based on forecasting model

机译:根据预测模型确定最佳倾斜角度和最佳间隔,以高效运行住宅太阳能电池板

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摘要

A solar panel tilt angle plays a great role in the performance of the solar panel which is either fixed at an optimal tilt angle or continuously adjusted using a solar tracking system. Solar tracking systems are not cost efficient especially for residential usage. On the other hand, a fixed tilt angle results in a huge loss of solar energy. One resort to solve this problem is to adjust the tilt angle a limited number of times. In this paper, a novel procedure is proposed to select the number of intervals and their durations by solving an optimisation problem. The proposed algorithm is consisted of four major steps. First, the solar radiation of the next year is predicted using historical data. Second, using a bee algorithm the optimal tilt angle of each interval is computed. Third, an optimisation problem is solved to get new periods for each interval. Finally, a stopping criterion is checked to decide whether the previous step should be repeated or the algorithm has been converged. The effectiveness of the proposed approach is studied at nine different locations across the US. The results show improvement of the solar power generation by using the optimal intervals.
机译:太阳能电池板的倾斜角度在太阳能电池板的性能中起着重要作用,太阳能电池板要么固定在最佳倾斜角度,要么使用太阳能跟踪系统进行连续调节。太阳能跟踪系统的成本效益不高,特别是对于住宅使用而言。另一方面,固定的倾斜角导致太阳能的巨大损失。解决此问题的一种方法是将倾斜角度调整有限的次数。在本文中,提出了一种通过解决优化问题来选择间隔数及其持续时间的新颖方法。所提出的算法包括四个主要步骤。首先,使用历史数据来预测明年的太阳辐射。其次,使用蜂算法来计算每个间隔的最佳倾斜角度。第三,解决优化问题以获取每个间隔的新周期。最后,检查停止标准,以决定是否应重复前一步骤或算法已收敛。在美国的九个不同地点研究了该方法的有效性。结果表明通过使用最佳间隔可以改善太阳能发电。

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