speed of rotation of motor

The power-saving way of the three-phase alternating current asynchronous motor was discussed on several respects of the control of optimal bearing power, replacement of old motor, control the end point voltage of motor and control of the rotation speed of motor.

本文从最佳负载率的控制、更换老旧电动机、调节电动机端电压、控制电动机转速等几个方面浅谈三相交流异步电动机的节电途径。

A three-phase bridge outside the circuit is built in finite element method. The stator coils are energized by a certain strategy. The starting performance of the rotation speed and rotation torque of the PM spherical motor is studied.

在有限元里，搭建了三相桥式外电路对定子线圈进行换相通电仿真得到了永磁球形电动机的自转转速及自转转矩的启动性能。

The main technical parameters including motor speed, chain speed, friction tape speed, hatching eggs rotation angle as well as the testing speed of agencies are determined. 4.

机构的主要技术参数包括电动机转速、链速、摩擦带速、种蛋转角速度以及检测种蛋速度。4确定了输送翻转机构链速与摄像机采样频率的最佳匹配速度。

A power amplification of H-bridge bipolar PWM control is designed for controlling DC micro-motor of positive rotation, reverse rotation and speed regulation.

基于H型双极模式PWM控制原理，设计了一种直流微电机正反转调速功率放大电路。

After comparing the speed of rotation time-domain curve diagram of the motor with the ideal curve diagram, we gain the result that the dynamic characteristic of this pump-controled motor system is bad and unstable.

通过比较仿真后的马达转速时域曲线图和理想的马达转速时域曲线图，得出该泵控马达系统的动态性能和稳态性能差的结论；

The system can test the all required specifications, such as compressed air flow rate, pressure, temperature, motor torque, motor rotation speed, cylinder thrust and noise of motor.

分别对锚杆钻机七项性能指标（供气流量、供气压强、供气温度、马达扭矩、马达转速、支腿推力和马达噪声）进行测试并实现实时采集，为锚杆钻机实时故障诊断奠定了基础。