Based on the static characteristics of induction motor, this paper analyzes the braking function of general voltage vector controlled frequency converter.
本文从感应电机的静态特性出发，分析了通用电压矢量控制变频调速器的制动功能。
Stepper motor is a motor controlled by digital signal, which converts pulse signal into Angle displacement. The wheeling speed is controlled by the frequency of pulse signal.
步进电机是一种数字控制电机，它将脉冲信号转变成角位移，电机的转速由脉冲信号频率决定。
A digitally precisely controlled motor can vary test frequency and strain over a wide range.
高精度数控马达在大范围内改变侧试频率和应变。
The main spindle is driven by a variable frequency controlled AC motor.
主轴是由变频控制交流电机驱动。
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。
Outlet pressure and flow are normally controlled by adjusting valve clearance and it causes considerable energy waste. Frequency control of motor speed is a method of solving the problem.
常规的通过调节阀门开启度来达到调节注水泵出口压力和流量的作法，会使很大一部分能量造成浪费，要解决这个问题，可以采取对注水泵进行调速的方法。
This paper describes a device of cable reel which is driven by computer controlled frequency-changing motor whose velocity can be regulated.
介绍了一种以微机控制变频调速电机驱动电缆卷筒的装置。
Feeding drive is controlled by frequency conversion motor and synchronized with import conveyor belt. Power output and torque is steady and reliable.
驱动采用变频电机调速控制，进口同步皮带传动，恒功率、恒扭距输出，平稳可靠。
Non brake motor design, the brake motion is controlled by means of frequency inverter and rectifier, to provide smooth and stable braking performance.
马达无煞车设计，利用变频器和整流器表现煞车功能，动作自然平稳。
It is controlled by computer and driven by frequency conversion motor, it is run with low noise and slight vibration, without carbon powder pollution.
微机控制、变频调速、无碳粉污染、延长使用寿命；噪声低、振动小。
It is controlled by computer and driven by frequency conversion motor, it is run with low noise and slight vibration, without carbon powder pollution.
微机控制、变频调速、无碳粉污染、延长使用寿命；噪声低、振动小。
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