E1401A 变频器的输出频率

FOXBORO-FCP270
A06B-0113-B075#0005
1FT6084-1AF71-2EG1
ABB-EH550
PERCEPTRON916-4104
AS-B883-001
2711-B6C9
3HAC17484-6/01
5X00167G01
AB7007
PM783F

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描述

基于转差频率控制的矢量控制方式同样是在进行U/f=恒定控制的基础上,通过检测异步电动机的实际速度n,并得到对应的控制频率f,然后根据希望得到的转矩,分别控制定子电流矢量及两个分量间的相位,对通用变频器的输出频率f进行控制的。基于转差频率控制的矢量控制方式的最大特点是,可以消除动态过程中转矩电流的波动,从而提高了通用变频器的动态性能。早期的矢量控制通用变频器基本上都是采用的基于转差频率控制的矢量控制方式。

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