BENTLY NEVADA 3300/16-04-01-01-00-00-04

• 型号：3300/16-04-01-01-00-00-04


• 数量：3


• 制造商：　厦门兴锐达自动化设备有限公司


• 有效期：2019/10/10 0:00:00

BENTLY NEVADA 3300/16-04-01-01-00-00-04

BENTLY NEVADA 3300/16-04-01-01-00-00-04

BENTLY NEVADA 3300/16-04-01-01-00-00-04

矢量控制是经过矢量坐标电路控制电动机定子电流的大小和相位，以抵达对电动机在d、q、0坐标轴系中的励磁电流和转矩电流别离进行控制，进而抵达控制电动机转矩的目的。经过控制各矢量的效果次序和时刻以及零矢量的效果时刻，又能够构成各种PWM波，抵达各种不同的控制目的。例如构成开关次数最少的PWM波以减少开关损耗。现在在变频器中实践运用的矢量控制办法主要有依据转差频率控制的矢量控制办法和无速度传感器的矢量控制办法两种。
　　依据转差频率的矢量控制办法与转差频率控制办法两者的定常特性共同，但是依据转差频率的矢量控制还要经过坐标变换对电动机定子电流的相位进行控制，使之满足必定的条件，以消除转矩电流过渡过程中的不坚定。因此，依据转差频率的矢量控制办法比转差频率控制办法在输出特性方面能得到很大的改进。但是，这种控制办法归于闭环控制办法，需要在电动机上装置速度传感器，因此，运用规划受到限制。

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