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询问一下F28335控制下的DMC电机驱动板例程中未懂之处

chenlong wu
Prodigy 90 points
Other Parts Discussed in Thread: CONTROLSUITE

在controlsuite的f28883的PMSM控制例程中有如下两句话：

clarke1.As=((AdcMirror.ADCRESULT1)*0.00024414-offsetA)*2*0.909; // Phase A curr.

clarke1.Bs=((AdcMirror.ADCRESULT2)*0.00024414-offsetB)*2*0.909; // Phase B curr.

明白是计算采样电流标幺值的，但是其中的“*2”是什么意思？难道这里不是标幺值？