调节电位器，便可调节电动机的转速。
Regulate the potentiometer, the then adjustable electric motorrev.
调频驱动器(也称为变频驱动器)能够调节电动机速率以最大限度满足输出要求，可节省10% - 50%的能量。
Adjustable frequency drives (also known as variable frequency drives) adjust a motor's speed to closely match output requirements, resulting in a typical energy savings of 10 to 50 percent.
它采用大功率的SCR组成电压调节电路，这样交流电动机就可以低压起动。
It adopts SCR with large power to establish the voltage adjustment circuit, so the AC motor can be started with low voltage.
变频调速技术通过改变电动机工作电源频率调节电机转速，消耗的电能随风量大小而变，具有显著的节能效果。
By using the frequency and speed modulation technology, the electricity consumed will vary with the amount of the wind, thus a remarkable energy-saving result is achieved.
变频调速技术通过改变电动机工作电源频率调节电机转速，消耗的电能随风量大小而变，具有显著的节能效果。
By using the frequency and speed modulation technology, the electricity consumed will vary with the amount of the wind, thus a remarkable energy-saving result is achieved.
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