回馈制动可以设置适当的占空比，利用电感的升压作用，向直流侧回馈能量。
However, regenerative braking may return energy by setting proper duty ratio and boost inductance action.
针对燃料电池供电的伺服电机，研究了一种用来释放多余回馈能量的电压泵升电路。
For fuel cell is used as the DC power of inverter, a voltage pumping circuit for releasing nimiety regenerative energy was researched.
控制系统采用的是电流型PWM控制方式，能够实现高品质的恒功率能量回馈。
The control system adopts current PWM control mode, and high quality energy feedback with constant power could be accomplished.
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