A. directly proportional to slip
B. inversely proportional to slip
C. proportional to the square of the slip
D. none of the above
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A. directly proportional to slip
B. inversely proportional to slip
C. proportional to the square of the slip
D. none of the above
The Answer Is . A
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The maximum torque is inversely proportional to the slip, meaning that as the slip increases, the torque decreases. The breakdown torque is typically between 200 and 300% of full load torque, while the locked-rotor torque is between 75 and 275% of full load torque.
The running torque is also directly proportional to the slip; as the slip increases, so does the torque. Finally, the torque of an induction motor is proportional to the product of stator flux per pole, rotor current, and the power factor of the rotor current.