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foc 采样相电流时机



永磁同步电机FOC处理中,采用霍尔传感器采样两路相电流,一个SVPWM周期中,电流采样是否需要严格在SVPWM计数周期和起始位置采样?还是随时采样都可以?不需要考虑PWM的开通时机吗 ?