controlled speed motor的意思|示意

C. motor "s stator to an electric source of industrial frequency. In this method the stator of A. C. motor is rotatable. The rotation direction and speed of the stator are controlled by a hydraulics."

在这种方法中，交流电动机的定子是可以转动的，液压控制系统控制电动机定子的转向和转速。

Experiments show that the motor phase current controlled by this kind of SPWM inverter can be strictly sinusoidal and the running of the motor can remain steady for the ultra low speed range.

实验结果表明，这种SPWM逆变器控制的电机相电流严格正弦，能在超低速下平稳运行。

It is controlled by computer and driven by DC brushless motor without carbon powder pollution. It is self-balance running with low noise and slight vibration. The speed rise or drop quickly.

微机控制，直流无刷电机驱动，无碳刷粉尘污染，快速升降速，操作简便，自动平衡，噪声低，振动小。

The Fuzzy Controller is used in the system, so Motor can be controlled to run at the certain point according to the user's setting of the speed, torque or power by the system, quickly and precisely.

系统采用模糊控制器控制电机，能根据用户需要，快速、精确地调节电机至某一个工作点；

Results show that the motor has good stability. The speed fluctuation is controlled within 3% by the frequency automatic tracking technique.

实验结果表明，该电机具有良好的稳定性，利用频率自动跟踪技术对电机转速进行闭环控制，可以将其转速波动稳定在3%之内。

The system is designed as circulation absent and A-A VF controlled one, in which a responsive motor driving the main ventilation fan is controlled in a vector control technology without speed sensor.

系统采用无环流交-交变频控制方案、应用无速度传感器的矢量控制技术对拖动煤矿主扇风机的感应电动机进行控制。