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Home / Proceedings / Proceedings of the AAAI Conference on Artificial Intelligence / AAAI-21 Special Programs and Special Track

Spatiotemporal Graph Neural Network for Performance Prediction of Photovoltaic Power Systems

February 1, 2023

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Authors

Ahmad Maroof Karimi

Case Western Reserve University, Cleveland, OH Oak Ridge National Lab, Oak Ridge, TN


Yinghui Wu

Case Western Reserve University, Cleveland, OH


Mehmet Koyuturk

Case Western Reserve University, Cleveland, OH


Roger H. French

Case Western Reserve University, Cleveland, OH


DOI:

10.1609/aaai.v35i17.17799


Abstract:

In recent years, a large number of photovoltaic (PV) systems have been added to the electrical grid as well as installed as off-grid systems. The trend suggests that the deployment of PV systems will continue to rise in the future. Thus, accurate forecasting of PV performance is critical for the reliability of PV systems. Due to the complex non-linear variability in power output of the PV systems, forecasting PV power is a non-trivial task. This variability affects the stability and planning of a power system network, and accurate forecasting of the performance of the PV system can reduce the uncertainty caused during PV operation. In this work, we leverage spatial and temporal coherence among the power plants for PV power forecasting. Our approach is motivated by the observation that power plants in a region undergo similar environmental exposure. Thus, one power plant’s performance can help improve the forecast of other power plants' power values in the region. We utilize the relationship between PV plants to build a spatiotemporal graph neural network (st-GNN) and train machine learning models to forecast the PV power. The computational experiments on large-scale data from a network of 316 systems show that spatiotemporal forecasting of PV power performs significantly better than a model that only applies temporal convolution to isolated systems or nodes. Furthermore, the longer the future forecast time, the difference between the spatiotemporal forecasting and the isolated system forecast when only temporal convolution is applied increases further.

Topics: AAAI

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HOW TO CITE:

Ahmad Maroof Karimi||Yinghui Wu||Mehmet Koyuturk||Roger H. French Spatiotemporal Graph Neural Network for Performance Prediction of Photovoltaic Power Systems Proceedings of the AAAI Conference on Artificial Intelligence (2021) 15323-15330.

Ahmad Maroof Karimi||Yinghui Wu||Mehmet Koyuturk||Roger H. French Spatiotemporal Graph Neural Network for Performance Prediction of Photovoltaic Power Systems AAAI 2021, 15323-15330.

Ahmad Maroof Karimi||Yinghui Wu||Mehmet Koyuturk||Roger H. French (2021). Spatiotemporal Graph Neural Network for Performance Prediction of Photovoltaic Power Systems. Proceedings of the AAAI Conference on Artificial Intelligence, 15323-15330.

Ahmad Maroof Karimi||Yinghui Wu||Mehmet Koyuturk||Roger H. French. Spatiotemporal Graph Neural Network for Performance Prediction of Photovoltaic Power Systems. Proceedings of the AAAI Conference on Artificial Intelligence 2021 p.15323-15330.

Ahmad Maroof Karimi||Yinghui Wu||Mehmet Koyuturk||Roger H. French. 2021. Spatiotemporal Graph Neural Network for Performance Prediction of Photovoltaic Power Systems. "Proceedings of the AAAI Conference on Artificial Intelligence". 15323-15330.

Ahmad Maroof Karimi||Yinghui Wu||Mehmet Koyuturk||Roger H. French. (2021) "Spatiotemporal Graph Neural Network for Performance Prediction of Photovoltaic Power Systems", Proceedings of the AAAI Conference on Artificial Intelligence, p.15323-15330

Ahmad Maroof Karimi||Yinghui Wu||Mehmet Koyuturk||Roger H. French, "Spatiotemporal Graph Neural Network for Performance Prediction of Photovoltaic Power Systems", AAAI, p.15323-15330, 2021.

Ahmad Maroof Karimi||Yinghui Wu||Mehmet Koyuturk||Roger H. French. "Spatiotemporal Graph Neural Network for Performance Prediction of Photovoltaic Power Systems". Proceedings of the AAAI Conference on Artificial Intelligence, 2021, p.15323-15330.

Ahmad Maroof Karimi||Yinghui Wu||Mehmet Koyuturk||Roger H. French. "Spatiotemporal Graph Neural Network for Performance Prediction of Photovoltaic Power Systems". Proceedings of the AAAI Conference on Artificial Intelligence, (2021): 15323-15330.

Ahmad Maroof Karimi||Yinghui Wu||Mehmet Koyuturk||Roger H. French. Spatiotemporal Graph Neural Network for Performance Prediction of Photovoltaic Power Systems. AAAI[Internet]. 2021[cited 2023]; 15323-15330.


ISSN: 2374-3468


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