In a drive system of power transistor inverter-motor, not only can it be used in fine control of motor current waveform, phase, amplitude and frequency, but can also be used to sense, fault current.

在大功率晶体管逆变器——电动机驱动系统中，它不但可用来对电动机电流的波形、相位、幅值和频率进行精细控制，而且能快速地检测出故障电流。

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The air stripline feeding network is featured with low loss, high power capacitance, and it is easy to control its amplitude and phase.

空气板线馈电网络具有损耗小、耐功率高、幅相控制容易等特点而广泛应用于平面阵列天线中。

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In this paper, we propose and discuss two new control methods for three phase shunt APFs: the sinusoidal line current control method and the instantaneous reactive power compensation control method.

本论文提出三相并联型有源滤波器的两种新的控制方法，即正弦波化控制和瞬时无功功率的控制方法。

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