Question

derive the relation between rotor starting torque and maximum torque
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Answer 1

Answer:

In the equation of torque, ... So, when slip s = R2 / X2, the torque will be maximum and this slip is called maximum slip Sm and it is defined as the ratio of rotor resistance to that of rotor reactance. NOTE: At starting S = 1, so the maximum starting torque occur when rotor resistance is equal to rotor reactance

Explanation:

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