太阳能发电的建模,模拟和测量:设计和运行模型的新发展
O Living1, S N Nnamchi2, M M Mundu1
1Department of Electrical, Telecom and Computer Engineering, SEAS, Kampala International University, P.O. Box 20000, Kampala, Uganda.
Heliyon
|June 24, 2024
概括
通过改进设计模型,乌干达太阳能发电厂的低性能得到了减少. 将风速和辐射与细胞温度相结合,可显著提高太阳能发电预测.
科学领域:
- 可再生能源工程可再生能源工程
- 太阳能发电系统 太阳能发电系统
- 数学建模的数学建模
背景情况:
- 显著的低绩效 (大约. 35%) 在乌干达东部的太阳能发电中观察到.
- 现有的太阳能发电设计模型主要考虑细胞温度,忽略了关键的环境因素.
- 这种差异导致太阳能发电厂的设计和运行能力之间存在明显的差距.
研究的目的:
- 尽量减少太阳能发电厂的运行和设计能力之间的差异.
- 通过结合外部环境因素来改进太阳能发电模型.
- 开发用于太阳能发电的准确预测模型.
主要方法:
- 使用专用设备直接测量太阳能电池温度,风速和辐射强度.
- 修改现有的发电模型,以包括风速和辐射量.
- 开发和验证明确的经验 (三重) 和二次微分模型.
- 使用试点太阳能装置进行模拟和实验.
主要成果:
- 开发的第二阶差异模型与多个地点的实证数据显示出强有力的验证 (RMSE范围从0.1804到0.6692).
- 结合风速和辐射强度等外部因素,显著提高了模型的准确性.
- 马尤格和索罗蒂的工厂展示了最高的太阳能发电潜力 (9.028兆瓦).
结论:
- 传统设计模型中缺乏外部因素是表现不佳的主要原因.
- 实证显式 (三重) 和二阶微分模型对于准确的太阳能预测是有效的.
- 该研究支持使用这些增强模型来设计和运行高效的太阳能发电厂.
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