back EFM

• 反电势

back EFM的用法和样例：

例句

1. When the motor is operated in low speed range, the stator current is discontinuous, and then the back emf can be detected directly while the stator current is zero.
   当电动机操作在低转速范围时，定子电流为不连续，可在电流为零处，直接侦测反电势。