Journal
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
Volume 45, Issue 10, Pages 14274-14305Publisher
WILEY-HINDAWI
DOI: 10.1002/er.6745
Keywords
big data; deep learning; load analysis; load forecasting; load management; power system; renewable energy; smart grid
Categories
Funding
- National Natural Science Foundation of China [61773157]
- Changsha Key RD Program [KQ2004011]
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This paper provides a comprehensive overview of the collection and analysis of large-scale load data in smart grids, focusing on the application of Deep Learning techniques and discussing key points for improving performance.
The collection and storage of large-scale load data in a smart grid provide new approaches for the efficient, economical, and safe operation of power systems. Deep Learning (DL) has become increasingly popular for large-scale load data analytics in recent years because of its ability to extract latent features and discovering complex relationships. This paper first overviews eight typical open load datasets of the grid and smart meter collected worldwide, the challenges faced by conventional machine learning, and the DL techniques applied to these challenges. A comprehensive review of the applications of DL techniques is then conducted from the perspective of analysis, forecast, management, and presented observation on each application. Critical points of DL models for improving performance are further discussed. In conclusion, several pressing problems of DL in load data analytics are identified, such as the accuracy gap between the actual and the expected, the generalization of hyperparameter setting, and the interpretation mechanism of DL output, which need special attention.
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