of, a mechanical brake. Dc
motors feature a speed, which can be controlled smoothly down to zero, immediately followed by acceleration in the opposite direction -- without power circuit switching. And dc
motors respond quickly to changes in control signals due to the dc
motor's high ratio of torque to inertia. DC
Motor types. Wound-field dc
motors are usually classified by shunt-wound, series-wound, and
compound-wound. In addition to these, permanent-magnet and brushless dc
motors are also available...
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