Quote:
Originally Posted by JamesCH95
Brake mode is a dynamic brake. That is to say braking torque is generated only while the motor is turning. The faster the motor is turning the more torque is generated.
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Correct.
When the motor leads are shorted, the back EMF created by the spinning rotor causes current to flow through the motor.
And since current in a DC brushed motor is (roughly) proportional to torque, the faster the shaft is being spun, the higher the braking torque created by the motor.