Page 691 - Basic Electrical Engineering

or,

or,

or,

or,

or,

Thus, the condition for maximum torque is established. Maximum torque in

an induction motor will occur at a slip at which,

If we take R = 1 Ω and X = 8 Ω, maximum torque will occur when the slip
20
2

is , i.e., 0.125.

If R = 2 Ω and X = 8 Ω, maximum torque will occur when the slip is ,
20
2

i.e., 0.25.