PUBLICATIONS
Paper
[International Journals] Kyo-Beum Lee and Frede Blaabjerg, “A modified DTC-SVM for sensorless matrix converter drives using a simple deadbeat scheme,” HAIT Journal of Science and Engineering B, vol. 2, no. 5–6, pp. 715–735, Jun. 2005.
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In this paper, a modified direct torque control (DTC) for matrix converter drives is proposed which enables to minimize torque
ripple and to obtain unity input power factor, while maintaining constant switching frequency. It is possible to combine the
advantages of matrix converters with the advantages of the DTC strategy using the basic DTC scheme. However, some drawbacks,
such as large torque ripple in the low speed region and switching frequency variation according to the change of the motor speed
and the amplitude of hysteresis bands, still exist. In the proposed scheme, a modified DTC strategy for matrix converter drives is
derived using space vector modulation and flux deadbeat algorithm. Experimental results are shown to illustrate the feasibility of
the proposed strategy.
