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Integrating a Static Synchronous Compensator (STATCOM) with a Flywheel Energy Storage System (FESS) enhances power system stability and minimizes disturbances. Besides providing or absorbing reactive power, maintaining voltage stability, and improving transmission capacity, the STATCOM-FESS system can also supply or absorb active power to maintain steady energy at the connected busbar. Given its nonlinear nature, a nonlinear control strategy can significantly enhance its performance and sustainability. This paper proposes a nonlinear backstepping control strategy based on the Lyapunov function to regulate STATCOM-FESS operation. The proposed algorithm is validated through simulations in Matlab-Simulink, demonstrating its effectiveness and feasibility.

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Nonlinear Control Design of STATCOM-FESS Integrated System

  • 会议论文

  • 发表日期：

    2025年

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  • Hoa Thi Thanh Lai,
  • Hai Do Trung,
  • Hai Vu Nguyen,
  • Duc-Toan Nguyen

摘要

Integrating a Static Synchronous Compensator (STATCOM) with a Flywheel Energy Storage System (FESS) enhances power system stability and minimizes disturbances. Besides providing or absorbing reactive power, maintaining voltage stability, and improving transmission capacity, the STATCOM-FESS system can also supply or absorb active power to maintain steady energy at the connected busbar. Given its nonlinear nature, a nonlinear control strategy can significantly enhance its performance and sustainability. This paper proposes a nonlinear backstepping control strategy based on the Lyapunov function to regulate STATCOM-FESS operation. The proposed algorithm is validated through simulations in Matlab-Simulink, demonstrating its effectiveness and feasibility.