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大规模双面光伏模块框架的设计优化,使用深度学习替代模型
1Gangwon Technology Application Division, Korea Institute of Industrial Technology, Wonju, 26336, Republic of Korea.
Scientific reports
|June 25, 2024
概括
研究人员开发了一个深度神经网络 (DNN) 代用模型,以优化大型双面光伏 (PV) 模块的框架设计. 这种模型有效地最大限度地降低了曲率和重量,提高了光伏模块的性能和耐用性.
科学领域:
- 材料科学 材料科学 材料科学
- 机械工程 机械工程
- 可再生能源系统可再生能源系统
背景情况:
- 太阳能电池中晶圆尺寸的增加导致更大,更重的光伏 (PV) 模块.
- 模块重量可能导致偏移,可能降低光伏电池效率.
研究的目的:
- 为大型双面光伏模块开发一个最佳的框架设计,以减轻偏移.
- 识别框架设计因素,以尽量减少曲和重量.
主要方法:
- 为大型双面光伏模块构建了一个有限元 (FE) 模型.
- 使用FEA数据集训练了一个基于深度神经网络 (DNN) 的FE代理模型.
- 通过贝叶斯优化和k-fold验证改进了模型.
- 创建了100万个数据集来预测最佳框架设计因素.
主要成果:
- 经过训练的FE替代模型表现出高准确度和低误差率 (MAPE < 0.0020,R2 > 0.9962).
- 确定了最佳的框架设计因素 (a=1.5,b=13.7,c=1.5,d=3.0,e=4.3),以最大限度地减少偏斜和重量.
- 与现有设计相比,实现了9.6%的屈曲减少和12.8%的重量增加.
结论:
- 该FE替代模型准确地预测了FEA对光伏模块偏移和重量的结果.
- 该研究为设计更轻,更耐屈曲的光伏模块框架提供了基础.
- 优化的框架设计可以提高大型双面光伏模块的效率和寿命.
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