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Optimum torque (OT)-based maximum power point tracking (MPPT) is widely used in high power turbines because of its simplicity. Several recent improvements claim better response speeds by augmenting the basic OT algorithm with a suitably scaled inertial torque. However, the underlying dynamic model for all these improved methods is premised on a rigid shaft, which ignores all torsional behavior. This...
In this paper a variable structure direct torque control based on sliding mode approach, linear PI and space vector modulation (SVM) is proposed for a brushless doubly fed induction generator. The DTC transient merits and robustness are preserved and the steady state behavior is improved by reducing the torque and flux pulsations. The presented method also guarantees maximum power point tracking (MPPT)...
The aim of this paper is to present the study, the control and the simulation of the wind mill connected to the electrical supply network of strong power at variable speed based on a dual stator induction generator (DSIG). The study of operation of the wind turbine leads us to two essential cases: optimization of the power for wind speeds lower than the nominal speed of the turbine and limitation...
This paper proposes a new maximum power point tracking (MPPT) algorithm for PMSG (permanent magnet synchronous generator) wind turbine systems, which gives a fast and effective tracking performance. For torque control, the torque reference consists of two parts, in which one is made from the rotor speed and the other comes from the system inertia. The PSIM simulation results for a 2[MW] PMSG wind...
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