The new control way can realize linear control for DC-bus voltage and get the fundamental component of the load current synchronously with a little of calculation.
该方法以电网电压为同步信号，在电网电压信号的过零点采样直流侧电容电压，并通过周期离散控制可以获得负荷电流有功分量。
The7years 'applicable practices indicate that the frequency modulation technology with dc bus voltage ripples is very effective to suppress acoustic resonances.
7年的使用实践表明，直流脉动电压频率调制技术对抑制声谐振现象十分有效。
According to the relationship of rotational speed, power and DC bus voltage, observing rotational speed by using DC bus voltage is proposed to realize none direct speed measurement.
从发电机转速、功率和直流母线电压之间的相互关系出发，提出利用直流母线电压进行转速观测实现无速度传感器。
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