Load frequency control in power systems by a robust backstepping sliding mode controller design

Authors

Javad Ansari, Mohamadreza Homayounzade, Ali Reza Abbasi

Abstract

This paper presents a novel sliding-mode load frequency control (LFC) strategy for two-area thermal interconnected power system. Backstepping technique is utilized to design the controller. The sliding control method can be motivated heuristically by reasoning that one would expect better tracking performance exposed to parametric uncertainties and load disturbances. The controlled system’s asymptotic stability and the robustness of the controlled system are proved mathematically utilizing the Lyapunov theorem. Moreover, it is shown numerically that the proposed controller can diminish the intensity of the frequency oscillations caused by the load disturbance. The advantages of the proposed control approach are shown by comparing the results of proposed controller based on backstepping sliding mode control (BSMC) and other control approaches designed with the second order smc (SOSMC), observer-based BSMC (OBSMC) and port-Hamiltonian system and cascade system based proportional integral derivative (PHPID) controllers.

Keywords

Backstepping method; Load Frequency Control (LFC); Sliding mode; Two area power system

Citation

• Journal: Energy Reports
• Year: 2023
• Volume: 10
• Issue:
• Pages: 1287–1298
• Publisher: Elsevier BV
• DOI: 10.1016/j.egyr.2023.08.008

BibTeX

@article{Ansari_2023,
  title={{Load frequency control in power systems by a robust backstepping sliding mode controller design}},
  volume={10},
  ISSN={2352-4847},
  DOI={10.1016/j.egyr.2023.08.008},
  journal={Energy Reports},
  publisher={Elsevier BV},
  author={Ansari, Javad and Homayounzade, Mohamadreza and Abbasi, Ali Reza},
  year={2023},
  pages={1287--1298}
}

Download the bib file

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