Coordination of Wind Power Plants and Energy Storage Devices in Security-Constrained Unit Commitment Problem Using Robust Optimization

Document Type : Power Article

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Abstract

Security-Constrained Unit commitment, one of the most critical tasks in electric power system operations, faces new challenges as the supply and demand uncertainty increases dramatically due to the integration of variable generation resources such as wind power generation. To cope with these concerns, we propose a two-stage adaptive robust unit commitment model for the security constrained unit commitment problem in the presence of load and wind uncertainty.   In addition to being robust model to deal with the uncertainty of wind power production, energy storage devices has been considered for further handling of this issue. Compared to the conventional stochastic programming approach, the robust optimization model is more practical because only requires a deterministic uncertainty set , while in stochastic programming to obtain a probability distribution function of parameter uncertainty is very difficult. To resolve the SCUC problem using robust optimization that is very complex and difficult, Benders decomposition algorithm is used to make smaller problems, which makes reduced complexity of the problem, which results in to solve it easier. 

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References

 
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Journal of Modeling in Engineering
Volume 16, Issue 53
July 2018
Pages 207-220

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History

  • Receive Date: 17 April 2016
  • Revise Date: 31 May 2017
  • Accept Date: 09 July 2017

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