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This paper presents a sensorless hysteresis direct torque control method using matrix converter fed IPM synchronous motor. This method allows a reduction of the harmonic content of the input current without any negative effect on the drive performance. The merits of the original HDTC scheme, simplicity, robustness and high dynamics, are preserved. Moreover, by applying two input vectors at each cycle,...
This paper presents a novel sensorless direct torque controlled IPM synchronous machine fed by a matrix converter. The input power factor is controlled by applying two active switching combinations in each control cycle. The FFT spectrum analysis shows the better input quality without any negative effect on the output as compared with the classical HDTC. A torque ripple minimization strategy is used...
This paper presents a modified direct torque control scheme for matrix converter drives. This method allows a reduction of the harmonic content of the input current without any negative effect on the drive performance and its simplicity. By using two switching configurations at each cycle, the synthesis of the input current vector is more accurate than the previous method at the same sampling period,...
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