Renewable Energy Accommodation Assessment Method Based on Spatio-temporal Convolution Dynamic Knowledge Graph
Special Topic on Power Balance and Optimal Dispatching Technology for Power System with High Proportion of Renewable Energy|更新时间:2025-06-16
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Renewable Energy Accommodation Assessment Method Based on Spatio-temporal Convolution Dynamic Knowledge Graph
Automation of Electric Power SystemsVol. 47, Issue 15, Pages: 46-54(2023)
作者机构:
1.华南理工大学电力学院,广东省广州市510610
2.国网宁夏电力有限公司,宁夏回族自治区银川市750001
作者简介:
基金信息:
National Natural Science Foundation of China-State Grid Joint Fund for Smart Grid(U2066212);National Natural Science Foundation of China(52207105);Guangdong Basic and Applied Basic Research Foundation(2023A1515011598)
CHEN Zongyuan,YU Tao,DING Maosheng,et al.Renewable Energy Accommodation Assessment Method Based on Spatio-temporal Convolution Dynamic Knowledge Graph[J].Automation of Electric Power Systems,2023,47(15):46-54.
CHEN Zongyuan,YU Tao,DING Maosheng,et al.Renewable Energy Accommodation Assessment Method Based on Spatio-temporal Convolution Dynamic Knowledge Graph[J].Automation of Electric Power Systems,2023,47(15):46-54. DOI: 10.7500/AEPS20221209004.
Renewable Energy Accommodation Assessment Method Based on Spatio-temporal Convolution Dynamic Knowledge Graph
To construct a knowledge graph of renewable energy accommodation
firstly
the accumulated massive dispatching operation data of the power grid in the form of dynamic quaternions explicitly expresses the spatio-temporal correlations of dispatching operation data. The local spatio-temporal graph is quickly searched and extracted by sliding time windows to construct sub-graph data sets. Then
the spatio-temporal synchronous graph convolutional network extracts high-dimensional features from the local spatio-temporal graphs to fully excavate the spatio-temporal correlations of the historical data. The model is guided by the mechanism knowledge stored in the knowledge graph of renewable energy accommodation and trained in parallel by multiple subgraphs to improve the learning efficiency. Finally
simulation and experimental validation are conducted based on a provincial grid case in Northwest China. The results show that the proposed method can effectively avoid complicated mathematical modeling and solving
and has higher evaluation accuracy and speed compared with traditional methods.
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