Larger system voltage unbalance degree causes larger capacitor voltage pulsation and negative sequence current.
不对称度的增加将进一步增大电容电压的脉动和负序电流的大小。
The air temperature is the most important parameter in the relationship of current humidity vs drying time. Static bed height as well as pulsation frequency has some influence on the drying process.
气流温度是影响干燥过程降水幅度的重要参数，床层静止高度及脉动频率对干燥过程的影响很小。
According to torque ripple of brushless DC motor, the different PWM modulation mode and overlapping commutation method are used to minimize torque pulsation when current commutation is considered.
针对无刷直流电动机的转矩脉动，提出采用不同的PWM调制方式以及不同的重叠换相角减小换相电流所引起的转矩脉动。
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