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instaSPIN-FOC相电压波形问题



信号板用的是28027F,功率部分以及电流电压采样部分是自己的板子。上图是我观测到的A相电压与A相电流波形,电压波形滞后电流波形,按说电机是感性负载,是应该滞后,这样理解对吗,还是应该是同相的。是RC滤波器设置的不合适?