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An artificial gorilla troops optimizer for stochastic unit commitment problem solution incorporating solar, wind, and load uncertainties

Author

Listed:
  • Mahmoud Rihan
  • Aml Sayed
  • Adel Bedair Abdel-Rahman
  • Mohamed Ebeed
  • Thamer A H Alghamdi
  • Hossam S Salama

Abstract

The unit commitment (UC) optimization issue is a vital issue in the operation and management of power systems. In recent years, the significant inroads of renewable energy (RE) resources, especially wind power and solar energy generation systems, into power systems have led to a huge increment in levels of uncertainty in power systems. Consequently, solution the UC is being more complicated. In this work, the UC problem solution is addressed using the Artificial Gorilla Troops Optimizer (GTO) for three cases including solving the UC at deterministic state, solving the UC under uncertainties of system and sources with and without RE sources. The uncertainty modelling of the load and RE sources (wind power and solar energy) are made through representing each uncertain variable with a suitable probability density function (PDF) and then the Monte Carlo Simulation (MCS) method is employed to generate a large number of scenarios then a scenario reduction technique known as backward reduction algorithm (BRA) is applied to establish a meaningful overall interpretation of the results. The results show that the overall cost per day is reduced from 0.2181% to 3.7528% at the deterministic state. In addition to that the overall cost reduction per day is 19.23% with integration of the RE resources. According to the results analysis, the main findings from this work are that the GTO is a powerful optimizer in addressing the deterministic UC problem with better cost and faster convergence curve and that RE resources help greatly in running cost saving. Also uncertainty consideration makes the system more reliable and realistic.

Suggested Citation

  • Mahmoud Rihan & Aml Sayed & Adel Bedair Abdel-Rahman & Mohamed Ebeed & Thamer A H Alghamdi & Hossam S Salama, 2024. "An artificial gorilla troops optimizer for stochastic unit commitment problem solution incorporating solar, wind, and load uncertainties," PLOS ONE, Public Library of Science, vol. 19(7), pages 1-28, July.
    • Handle: RePEc:plo:pone00:0305329
    DOI: 10.1371/journal.pone.0305329
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    References listed on IDEAS

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