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This paper presents Sliding Mode Control of Permanent magnet synchronous generators. A comprehensive dynamical model of the PMSG in d-q frame and its control scheme is presented. Wind energy is a promising technology and becomes more and more interesting player on the market of energy production. Since the converter/capacitor model is nonlinear, the sliding mode technique constitutes a powerful tool...
This paper presents a new non-linear control Algorithm based on the Backstepping approach for an isolated induction generator (IG) driven by a wind turbine. For this purpose and in order to reduce the complexity of the real induction machine mathematical model, the multi-scalar machine model is exploited. The machine delivers an active power to the load via a converter connected to a single capacitor...
This paper presents two nonlinear controllers schemes for DC bus voltage regulation of self excited induction generator operating in vector control conditions; the input-output feedback linearization and the sliding mode approaches. Each technique has two loops: an inner loop controlling the rotor flux and an outer loop controlling the DC bus voltage. The nonlinear methods provides an excellent control...
A non-linear control Algorithm based on the backstepping approach for an induction motor is presented. For this purpose and in order to reduce the complexity of the real induction motor mathematical model, the multi-scalar machine model is exploited. Simulation results show that the proposed control provides a perfect tracking performance of the mechanical speed and the rotor flux magnitude to their...
In this paper, we propose a Wind Energy Conversion System (WECS) at fixed speed using a New Doubly Fed Synchronous Generator (DFSG) controlled on the rotor side through converters with two winding fields, to generate active and reactive power to the grid and cancel the harmonics generated by the non linear load (diode rectifier). To verify the validity of the proposed method, a dynamic model of the...
The non-linear state-feedback input-output linearizing control with tracking controllers for a doubly fed induction motor -DFIM- connected to the grid utility is presented. For this purpose, An appropriate mathematical model of the -DFIM- based on the so-called stator-flux field oriented is detailed. In the rotor circuit, a three-level converter with an algebraic space vector modulation is used. Simulation...
This paper presents a new method for the voltage build-up process of an isolated-loaded induction generator (IG) driven by a wind turbine including the variation in the value of magnetizing inductance. The machine delivers an active power to the load via a converter connected to a single capacitor on the dc side. So, during the voltage build-up process, the necessary stator currents references to...
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