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Direct Torque Control Applied to DFIG Supplied via a Three-Level Inverter Under Random Behavior Wind Speed

Abstract : A doubly fed induction generator (DFIG) driven by a variable speed wind turbine (WT) is presented in this paper. The DFIG is partially interfaced with its rotor via a back-to-back converter. This one is supplied via a three-level inverter in the rotor side and controlled with a flexible algorithm based on DTC technique, to ensure mastery of this generator. The main aim of this contribution is to analyze the performances and robustness of the proposed control technique. The aim of this structure is to obtain at the generator output AC sine waveforms signals with a constant frequency and a low THD, as well as minimum output voltages ripples, regardless of the variation of the wind speed. Indeed, the main objective of this work is the performance analysis of the DTC applied to a three-level inverter in the rotor side of the DFIG considering some constraints that reflect the real operation of the wind turbine generator, such as the randomness behavior of the wind speed, allowing all operation modes of this generator. These operation modes are carried out in a successive and continuous manner, while showing synchronous and overspeed modes. Simulation results, performed under Matlab/Simulink, are presented and analyzed.
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https://hal.univ-lorraine.fr/hal-03226838
Contributor : Bernard Davat Connect in order to contact the contributor
Submitted on : Saturday, May 15, 2021 - 7:12:01 PM
Last modification on : Wednesday, November 3, 2021 - 7:56:39 AM

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Salah Tamalouzt, Nabil Benyahia, Mariama Said Mohamed, Angel Scipioni, Bernard Davat. Direct Torque Control Applied to DFIG Supplied via a Three-Level Inverter Under Random Behavior Wind Speed. Lecture Notes in Electrical Engineering, 615, pp.87-96, 2020, 978-3-030-37160-9. ⟨10.1007/978-3-030-37161-6_7⟩. ⟨hal-03226838⟩

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