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请教一下28305V/F控制程序的注释问题



上面写倒0.5pu(1800rpm)时是电机的最大转速,我想问一下1800rpm是谁规定的,如果我想让4对极电机达到3000rpm的话,只需更改BASE frequency和POLES就可以了吗?另外在LEVEL2情况下可以达到额定转速吗