描述
当定子和转子磁场垂直时,内嵌式PMSM的电磁扭矩方程式为:扭矩=33ppPMIqs(pp为磁极对的数目,PM为永久磁铁的磁通,Iqs则为交轴的电流幅值。)当磁场垂直时,电磁扭矩与q轴电流的幅值成正比。微控制器(MCU)须调节定子相电流强度,同时调节相位/角度,但这不像直流马达控制那样容易达成。
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