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1.河海大学人工智能与自动化学院,江苏省南京市 210098
2.河海大学电气与动力工程学院,江苏省南京市 210098
3.香港理工大学电机与电子工程学系,香港 999077
武云逸(1999—),男,硕士研究生,主要研究方向:新能源功率损失预测。E-mail:supersuprme@163.com
王森(1995—),男,博士研究生,主要研究方向:新能源电力系统建模与优化控制。E-mail:senwang@hhu.edu.cn
孙永辉(1980—),男,通信作者,教授,博士生导师,主要研究方向:新能源电力系统建模与优化控制、能源大数据与人工智能技术、智慧能源系统规划与优化运行等。E-mail:sunyonghuil68@gmail.com
收稿:2023-12-01,
修回:2024-04-19,
网络出版:2024-09-13,
纸质出版:2024-10-25
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武云逸,王森,孙永辉等.基于图像矫正与重构的光伏出力损失预测[J].电力系统自动化,2024,48(20):130-139.
WU Yunyi,WANG Sen,SUN Yonghui,et al.Photovoltaic Output Loss Forecasting Based on Image Correction and Reconstruction[J].Automation of Electric Power Systems,2024,48(20):130-139.
武云逸,王森,孙永辉等.基于图像矫正与重构的光伏出力损失预测[J].电力系统自动化,2024,48(20):130-139. DOI: 10.7500/AEPS20231201001.
WU Yunyi,WANG Sen,SUN Yonghui,et al.Photovoltaic Output Loss Forecasting Based on Image Correction and Reconstruction[J].Automation of Electric Power Systems,2024,48(20):130-139. DOI: 10.7500/AEPS20231201001.
随着“双碳”目标的提出,光伏发电在电网中的渗透率不断提高,而光伏发电可能受到多种环境因素影响。其中,光伏面板污染造成的局部遮挡是造成功率损失、影响光伏发电效率的重要因素。针对传统污染检测依赖于大型数据集的构建,且损失预测存在着预测精度低、数据形式单一等问题,提出基于图像矫正与重构的光伏出力损失预测方法,利用图像矫正与重构检测光伏面板污染,并对功率损失进行估计。该方法首先通过图像矫正与图像重构检测污染,并将图像数据转换为文中数据;其次,从矫正与重构后的图像数据中挖掘特征;最后,构建包含时序信息的多模态特征数据进行损失预测。测试结果表明,文中所提方法较传统方法性能得到提升。
With the proposal of the “carbon peaking and carbon neutrality” goals
the penetration rate of photovoltaic power generation in the power grid continues to increase. However
photovoltaic power generation may be affected by various environmental factors. Among them
local obstruction caused by photovoltaic panel pollution is an important factor that causes power loss and affects the efficiency of photovoltaic power generation. In response to the traditional pollution detection relying on the construction of large datasets
and the problems of low forecasting accuracy and single data form in loss forecasting
a forecasting method of photovoltaic output loss based on image correction and reconstruction is proposed
which uses image correction and reconstruction to detect photovoltaic panel pollution and estimate power loss. This method first detects pollution through image correction and image reconstruction
and converts image data into text data. Then
features are extracted from the corrected and reconstructed image data. Finally
multi-modal feature data containing temporal information is constructed for loss forecasting. The test results show that the proposed method has improved performance compared with traditional methods.
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