Wiring Diagram Slip Ring Motor Resistance Starter. Qualities of slip ring motors. Speed control of slip ring induction motor.
X i where smax slip at pull out torque x inductance of a rotor r resistance of rotor winding adding external resistance r to equation i rr smax. Slip ring induction motor control circuit diagram. However no power is applied to the slip rings.
Three phase slip ring rotor starter control diagram.
Cage motor is thus preferred to a slip ring motor. As the motor picks up speed the resistance is gradually down to a low value and finally cut off. Wiring diagram slip ring motor resistance starter mechanically they are close cousins to commutators used to transmit power to dc motors drop over the wiring is relatively small but say the resistance at the slip ring is 10 little resistance motor starter or speed control an induction motor may function as an alternator if it is driven by a torque at greater than 100 of the. Wound rotor motor diagram in a slip ring or wound rotor induction motor the torque is increased by adding external resistance in the rotor circuit from a star connected rheostat.