Sliding Mode Current Controllers Combined with Single Input Fuzzy Logic Voltage Controllers to Regulate Asynchronous Wind Turbine Output Terminals Using STATCOM
Résumé
This paper demonstrate the fiability and the efficiency of a proposed control law based on a combination of a sliding mode current controllers and a single input fuzzy logic controller, used to command a static synchronous compensator in order to improve voltage profile and stability of an asynchronous wind turbine despite wind speed and load variation. All simulation results as well as the modeling of the wind power system and the design of the proper controllers are described in detail in this document. NOMENCLATURE Air density. R Blades length. V Wind Speed. () Aerodynamic performance of the turbine. Ω Turbine shaft speed. Transmitted torque to the shaft of the IG Aerodynamic torque. M Multiplier ratio. Mechanical speed of the IG shaft Induction generator shaft angular velocity. , Stator terminal voltages in dq reference. , Stator phase current in dq reference. , Rotor phase current in dq reference. , Rotor flux in dq reference. , Stator flux in dq reference. , Per phase rotor and stator resistances. Magnetizing reactance. , Stator and rotor leakage reactances. Synchronous angular velocity. , STATCOM voltage in dq reference. , STATCOM current in dq reference.
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