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Local Stability Analysis and Controller Design for Speed-Controlled Wind Turbine Systems in Regime II.5

Author

Listed:
  • Christian Dirscherl

    (Munich School of Engineering, Research Group “Control of Renewable Energy Systems”, Technical University of Munich, Lichtenbergstraße 4a, 85748 Garching, Germany)

  • Christoph M. Hackl

    (Faculty of Electrical Engineering and Information Technology, Munich University of Applied Sciences, Lothstraße 64, 80335 München, Germany)

Abstract

The paper presents a local stability analysis for machine speed control of wind turbine systems (WTS) in regime II.5, where the control objective is set-point reference tracking of the machine speed via a PI-controller. Stability criteria for the controller parameters are derived. Based on these criteria, the controller parameters are chosen by pole placement. Moreover, a model-based tuning rule is proposed which leads (i) to a stable and (ii) to an accurate and fast control performance. The control system is additionally augmented by anti-windup (AWU) and saturation (SAT) strategies to enhance its performance. Simulation results illustrate stability and tracking performance of the closed-loop system.

Suggested Citation

  • Christian Dirscherl & Christoph M. Hackl, 2018. "Local Stability Analysis and Controller Design for Speed-Controlled Wind Turbine Systems in Regime II.5," Energies, MDPI, vol. 11(5), pages 1-13, May.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:5:p:1251-:d:146244
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