B. Dwersteg (TRINAMIC) wrote:Hello,
yes, you can manage regenerative operation. Therefore, different schemes are possible: In block commutation, you can program a PWM, which shorts the motor for a short time (all low sides on) and uses the MOSFET diodes, for recirculation of the voltage to the battery. This will allow electronic braking and feed back energy.
Or, you can actively brake the motor by switching to a negative direction (-90°) with a low PWM. The motor will feed back braking energy.
In both cases, the voltage becomes pumped up and you must ensure not to leave the max. voltage range, by monitoring the voltage and reducing braking energy, in case it cannot be fed back to the battery in time.
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