Title: Intelligent SVM technique of a multi-level inverter for a DFIG-based wind turbine system

Authors: Habib Benbouhenni; Zinelaabidine Boudjema; Abdelkader Belaidi

Addresses: National Polytechnique School of Oran Maurice Audin, BP:1523-Oran El M'Naouer-Oran, Algeria ' Electrical Engineering Department, Hassiba Benbouali University, Chlef, Algeria ' National Polytechnique School of Oran Maurice Audin, BP:1523-Oran El M'Naouer-Oran, Algeria

Abstract: In spite of its several advantages, a traditional direct vector control (DVC) of doubly fed induction generators (DFIGs) driven by variable speed wind turbines has some drawbacks. In this work, a simple and fuzzy space vector modulation (4L-FSVM) is proposed to control the four-level converter in order to reduce total harmonic distortion (THD) of rotor current and powers ripples. The validity of the proposed control technique applied to the DFIG is verified by MATLAB/Simulink. The electromagnetic torque, stator reactive power, stator active power and rotor current are determined and compared with the traditional control scheme. Simulation results presented in this article show that the proposed control scheme reduces the THD value, electromagnetic torque ripples and powers ripples compared to conventional control under various operating conditions.

Keywords: direct vector control; DVC; fuzzy space vector modulation; FSVM; doubly fed induction generator; DFIG; wind turbine.

DOI: 10.1504/IJDSSS.2019.103372

International Journal of Digital Signals and Smart Systems, 2019 Vol.3 No.1/2/3, pp.4 - 19

Received: 19 Dec 2018
Accepted: 07 Feb 2019
Published online: 05 Nov 2019 *

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