Harmonic elimination in switching table-based direct torque control of five-phase PMSM using matrix converter

A. Yousefi-Talouki, S. Gholamian, M. Yousefi-Talouki, R. Ilka, A. Radan
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引用次数: 11

Abstract

Direct torque control (DTC) of five-phase PMSMs has been investigated in many literatures. Besides many advantages of this method, large harmonic currents is one the major drawbacks of this scheme. Space vector modulation (SVM) methods have been applied to DTC algorithm to eliminate this problem. But it should be mentioned that SVM methods have complicated calculations. This paper proposes a simple scheme not only uses the DTC method based hysteresis comparators and maintain its simplicity, but eliminates the large harmonic currents. Also, the five-phase PMSM is fed by a three-phase to five-phase matrix converter (MC). Lack of bulky dc-link capacitor and controllable input power factor are some of advantages of MCs. Therefore, the presented method uses the advantages of MC and DTC method and also eliminates the large harmonic currents problem.
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基于开关表的矩阵变换器五相永磁同步电机直接转矩控制中的谐波消除
许多文献对五相永磁同步电机的直接转矩控制进行了研究。除了该方法有许多优点外,大谐波电流是该方案的主要缺点之一。空间矢量调制(SVM)方法被应用到DTC算法中以消除这一问题。但需要指出的是,支持向量机方法的计算比较复杂。本文提出了一种简单的方案,既使用了基于DTC方法的迟滞比较器,又保持了其简洁性,又消除了大谐波电流。此外,五相永磁同步电机由三相到五相矩阵变换器(MC)馈电。MCs的优点是没有笨重的直流电容和可控的输入功率因数。因此,该方法利用了自适应控制和直接转矩控制的优点,同时也消除了大谐波电流问题。
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