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首页> 外文会议>2010 International Power Electronics Conference >Implementation of sensorless direct torque control using matrix converter fed Interior permanent magnet synchronous motor
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Implementation of sensorless direct torque control using matrix converter fed Interior permanent magnet synchronous motor

机译：使用矩阵变频器供电的内部永磁同步电动机实现无传感器直接转矩控制

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This paper presents a sensorless direct torque control method for matrix converter fed interior permanent magnet synchronous machine. The matrix converter is split into rectifier and inverter stages based on the Indirect Space Vector Modulation theory. Therefore, the hysteresis flux and torque control is achieved by selecting one of the six active and two zero voltage vectors in the inverter stage while the input power factor is simultaneously controlled by applying two input current vectors in the rectifier stage. Two active or one zero switching combination is employed at each control cycle. This method allows a reduction of the harmonic content of the input current and ripples in the torque using a four-level hysteresis comparator without compromising the simplicity and high dynamics of the original hysteresis-band-based DTC scheme. Simulation and experimental results are shown to identify the effectiveness and improvement of the proposed method.
机译：本文提出了一种矩阵变换器馈电式永磁同步电机的无传感器直接转矩控制方法。根据间接空间矢量调制理论，矩阵转换器分为整流器级和逆变器级。因此，通过在逆变器级中选择六个有功和两个零电压矢量之一来实现磁滞磁通和转矩控制，而在整流器级中通过应用两个输入电流矢量来同时控制输入功率因数。每个控制周期采用两个有效或一个零开关组合。这种方法允许使用四级磁滞比较器来减少输入电流的谐波含量和转矩中的波动，而不会损害基于原始磁滞带的DTC方案的简单性和高动态性。仿真和实验结果表明了该方法的有效性和改进性。

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