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Study of Torque ripple reduction and Torque boost by Modified Trapezoidal Modulation

机译：通过改进的梯形调制研究扭矩脉动降低和扭矩升压

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摘要

Permanent Magnet Synchronous Motor (PMSM) is compact and highly efficient, so it is widely used as a motor for Electric Vehicles (EVs) drive. However, it does not mean there is no problem at all. Applying high voltage to obtain high torque increases torque ripple. We propose a new modulation for the inverter to drive the PMSM, Modified-Trapezoidal-Modulation (MTM). The greatest advantage of MTM is that it can realize the torque increase and the torque ripple reduction at the same time. In this paper, experiments were conducted to obtain the merits of the proposed method. Results show that the proposed method generates increased torque comparing the result with other modulation techniques and confirmed that MTM reduces torque ripple by 9.27%.
机译：永磁同步电机（PMSM）紧凑且高效，因此它广泛用作电动车辆（EVS）驱动器的电动机。但是，它并不意味着根本没有问题。施加高电压以获得高扭矩增加扭矩纹波。我们提出了对逆变器的新调制来驱动PMSM，改性梯形调制（MTM）。 MTM的最大优点是它可以实现扭矩增加和扭矩脉动的同时降低。在本文中，进行了实验以获得所提出的方法的优点。结果表明，该方法产生了增加的扭矩与其他调制技术的结果进行比较，并确认MTM将扭矩脉动降低9.27％。

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