A 208 V, 60 Hz, three-phase, four-pole induction motor connected in Y has the parameters in Ω/phase  : R1 = 0.08, X1 = 0.5, R2 = 0.1, X2 = 0.6. Determine: a. The slip with which the motor develops the maximum torque and the value of this torque. b. If the motor is assumed to be a wound rotor, determine the resistance value (per phase) that must be be inserted into the rotor circuit so that the starting torque is equal to 90% of the maximum torque

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Three Phase Induction Motor

The induction motor is an electric motor that runs on AC (alternating current) and it is of two type single phase motor that work on single-phase power supply and three-phase motor that work on three-phase power supply.