In this paper, a Direct Torque Control method for Matrix Converters fed Induction Motors is proposed. A predictive algorithm which ensures minimum torque ripple is employed for the selection of the appropriate voltage vector from the Matrix
Converter. A new look-up table for Direct Torque Control using Matrix Converters has been developed which delivers a set of three vectors, at every sample period, that fulfil the torque and flux demands. The predictive algorithm computes the torque error that would be present applying each vector and selects the one that contributes with the minimum error. Simulation results, which confirm the good performance of the novel predictive Direct Torque Control using Matrix Converters are shown.
CitationOrtega, C.; Arias, A.; Espina, J. Predictive vector selector for direct torque control of matrix converter fed induction motors. A: IEEE Industrial Electronics Society. "IECON". 2009, p. 1240-1245.
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