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Enhanced Forecasting Accuracy of a Grid-Connected Photovoltaic Power Plant: A Novel Approach Using Hybrid Variational Mode Decomposition and a CNN-LSTM Model

Author

Listed:
  • Lakhdar Nadjib Boucetta

    (LSEI Laboratory, Department of Electrical Engineering, University of Science and Technology Houari Boumediene, Bab Ezzouar 16111, Algeria)

  • Youssouf Amrane

    (LSEI Laboratory, Department of Electrical Engineering, University of Science and Technology Houari Boumediene, Bab Ezzouar 16111, Algeria)

  • Aissa Chouder

    (Laboratory of Electrical Engineering (LGE), Electrical Engineering Department, University of M’sila, P.O. Box 166 Ichebilia, M’Sila 28000, Algeria)

  • Saliha Arezki

    (LSEI Laboratory, Department of Electrical Engineering, University of Science and Technology Houari Boumediene, Bab Ezzouar 16111, Algeria)

  • Sofiane Kichou

    (Czech Technical University in Prague, University Centre for Energy Efficient Buildings, 1024 Třinecká St., 27343 Buštěhrad, Czech Republic)

Abstract

Renewable energies have become pivotal in the global energy landscape. Their adoption is crucial for phasing out fossil fuels and promoting environmentally friendly energy solutions. In recent years, the energy management system (EMS) concept has emerged to manage the power grid. EMS optimizes electric grid operations through advanced metering, automation, and communication technologies. A critical component of EMS is power forecasting, which facilitates precise energy grid scheduling. This research paper introduces a deep learning hybrid model employing convolutional neural network–long short-term memory (CNN-LSTM) for short-term photovoltaic (PV) solar energy forecasting. The proposed method integrates the variational mode decomposition (VMD) algorithm with the CNN-LSTM model to predict PV power output from a solar farm in Boussada, Algeria, spanning 1 January 2019, to 31 December 2020. The performance of the developed model is benchmarked against other deep learning models across various time horizons (15, 30, and 60 min): variational mode decomposition–convolutional neural network (VMD-CNN), variational mode decomposition–long short-term memory (VMD-LSTM), and convolutional neural network–long short-term memory (CNN-LSTM), which provide a comprehensive evaluation. Our findings demonstrate that the developed model outperforms other methods, offering promising results in solar power forecasting. This research contributes to the primary goal of enhancing EMS by providing accurate solar energy forecasts.

Suggested Citation

  • Lakhdar Nadjib Boucetta & Youssouf Amrane & Aissa Chouder & Saliha Arezki & Sofiane Kichou, 2024. "Enhanced Forecasting Accuracy of a Grid-Connected Photovoltaic Power Plant: A Novel Approach Using Hybrid Variational Mode Decomposition and a CNN-LSTM Model," Energies, MDPI, vol. 17(7), pages 1-21, April.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:7:p:1781-:d:1371966
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    References listed on IDEAS

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