It can obtain the improve of power factor of the input motor power, and can lighten its capacity.
可实现电机输入电源功率因数的改善，减轻其容量。
This method changes the input power of the motor.
此种方法改变电动机的输入功率。
The results show that available power and power input of water pump continuously decline with motor frequency reducing, and pump efficiency also decrease at the same time.
结果水泵有效功率和输入功率均随着电机频率的下降而不断降低，同时水泵效率也随着频率下降而降低。
The input power of motor and shaft power of pump are key measurements in field test of pumping stations.
电动机输入功率和水泵轴功率测试是泵站现场测试的重要内容。
If the input power, rotor are thrust rotation, the inverse process is motor.
如果输入电能，转子会受推力转动，这个逆过程就是电动机。
At the same time, the rest voltage of the motor may be 50% of normal input voltage and the phase difference with power supply switched can be up to 180 degrees.
同时，马达的休息电压也许是50%正常输入电压，并且相差与被交换的电源可以是180度。
The influence of variable load on a beam pumping unit on the electric current, input power, efficiency and power factor of the electric motor is discussed, and relevant calculating formulae are given.
讨论了游梁抽油机的变动载荷对电动机的电流、输入功率、效率和功率因数的影响，给出了计算公式。
The elegant design guarantees that when the rotating device is running, the working power supply of the vibration motor is normal input and the knotting of the wires is prevented.
其中通过巧妙的设计保证当转动机构通电转动时振动马达的工作电源可正常输入，不会产生导 线打结的情况。
The elegant design guarantees that when the rotating device is running, the working power supply of the vibration motor is normal input and the knotting of the wires is prevented.
其中通过巧妙的设计保证当转动机构通电转动时振动马达的工作电源可正常输入，不会产生导 线打结的情况。
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