2022
DOI: 10.3390/electronics11132095
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A Study on the Optimal Control of Voltage Utilization for Improving the Efficiency of PMSM

Abstract: When performing weak flux control to drive a permanent-magnet synchronous motor at high speed, the efficiency is lowered because the copper loss increases as the negative D-axis current increases. In addition, if the overmodulation index is slightly lowered and driven without setting it to the maximum value, the phase current ripple reduction effect can be expected compared to the six-step control. Therefore, if the motor is operated at a current point that can minimize the sum of copper loss and iron loss, th… Show more

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Cited by 4 publications
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