This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

TI 的电机+PFC套件(HVMotorCtrl+PfcKit_v1.7)中的几个参数疑问

Other Parts Discussed in Thread: CONTROLSUITE

在 ti\controlSUITE\development_kits\HVMotorCtrl+PfcKit_v1.7\PFC2PhiLCLA+ACI\PFC2PhiLCLA_ACI-Main.c主函数中

PFC_INVSQR_CLA_VminOverVmax1=(float)0.2875;
PFC_INVSQR_CLA_Vmin1=(float)0.1;

PFC_ICMD_CLA_VmaxOverVmin1=(float)3.5;

这几个参数是如何算出来的,有谁有相同的疑问吗?根据提供的该套件的原理图结合我的理解,我觉得相应的参数应该如下计算,不知道对不对?

PFC_INVSQR_CLA_VminOverVmax1=(float)80/320;
PFC_INVSQR_CLA_Vmin1=(float)80/320;

PFC_ICMD_CLA_VmaxOverVmin1=(float)320/80;

例程中最大的交流采集峰值为VacMaxSensed =498V,那么我们可以倒推出此时的最大交流输入为498/1.414=352v,减去10%的裕量,最后的值大概为320V.交流最小输入为80v,从而得到上面的结果。