Rotor flux and torque ripples minimization for direct torque control of DFIG by NSTSM algorithm

  • Habib BENBOUHENNI Ecole Nationale Polytechnique d'Oran Maurice Audin, Oran, Algeria
Keywords: NSTSMC, DTC, SVM, DFIG.

Abstract

In this work a direct torque control scheme based on neural super-twisting sliding mode (NSTSMC) algorithm and space vector modulation (SVM) of a doubly fed induction generator (DFIG) integrated in a wind energy conversion system is presented. The traditional DTC control with hysteresis controllers has significant torque and flux ripples at steady-state operation and also the switching frequency varies in a wide range. The proposed DTC control scheme based on NSTSMC algorithm reduces torque, flux and current ripples. Two different sliding surfaces such as torque and flux sliding surfaces are used to control them. The simulation results have been carried out using MATLAB/SIMULINK software. Simulation results show the effectiveness of the proposed DTC control scheme comparatively to the classical DTC one.

References

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Published
2019-10-09
Section
Articles