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1·This paper briefly introduces the basic idea of vector control and its application in asynchronous motor frequency control of motor speed is discussed.

简要介绍了矢量控制的基本设想，并就其在异步电动机变频调速中的应用展开讨论。

2·Control of microcomputer, frequency control of motor speed, touching panel, programmable operation with RCF automatic computing and setting, adjustable rise-and-fall speed.

微机控制、变频调速、触摸面板、可编程操作、具有RCF自动计算与设定、升降速可调。

3·The frequency control of motor speed is used for alternating current motor of main winch on No1 BF charging system, so that it is possible to carry out control of skip moving speed.

安钢1号高炉主卷扬交流电机采用变频调速技术，实现料车运行调速控制。变频器运行一年多来，未发生过一次故障。

4·Equipment is durable, convenient cleaning, maintenance simple frequency control of motor speed conveyor belt speed can be adjusted according to product different control at any time.

设备经久耐用，清洗方便，维修简单变频调速可根据产品不同随时控制调整输送带速度。

5·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。

6·Control of microcomputer, frequency control of motor speed, touching panel, programmable operation with RCF automatic computing and setting, adjustable rise-and-fall speed from grade 0 to 9.

微机控制、变频调速、触摸面板、可编程操作、具有RCF自动计算与设定、0至9档升降速可调。

7·Step motor control, by pulse by changing the order of electricity can change the motor rotation direction, change the pulse frequency can change the motor rotation speed.

步进电机受脉冲的控制，通过改变通电的顺序可改变电机的旋转方向，改变脉冲的频率可改变电机的旋转速度。

8·Stepping motor control by pulse, by changing the order of power to change the direction of rotation motor, change the pulse frequency may change the motor rotation speed.

步进电机受脉冲的控制，通过改变通电的顺序可改变电机的旋转方向，改变脉冲的频率可改变电机的旋转速度。

9·In the sensorless control system, a specified high frequency signal is injected in to trace the magnetic anisotropy of the motor, by which we can get the value of rotor speed and position.

研究采用高频注入法的无传感器直接转矩控制系统，通过注入特定的高频信号来追踪电机转子的空间凸极效应，以此得到转子位置和速度值。

10·Control Techniques variable frequency drives provide continuous control, matching motor speed to the specific demands of the work being performed.

控制技术的变频驱动器提供连续控制，配套电机的速度，工作的具体要求正在执行。