30.012 Q2/A/ A three phase, 4-pole, 410V, 50HZ, SRIM has 3.8% full load slip, ratio of stator to rotor turns equal 1:8 and standstill rotor impedance is 0.09+jQ.58 2/phase. Find: 1) full load torque. 2) speed at which torque is maximum. 3) maximum torque. 4) output power at maximum torque. 5) the resistance value to be inserted in rotor to make starting torque equal maximum torque. B/ Derive the maximum slip. Ts/Tm and Ts/Tr. TP WIT

30.012 Q2/A/ A three phase, 4-pole, 410V, 50HZ, SRIM has 3.8% full load slip, ratio of stator to rotor turns equal 1:8 and standstill rotor impedance is 0.09+jQ.58 2/phase. Find: 1) full load torque. 2) speed at which torque is maximum. 3) maximum torque. 4) output power at maximum torque. 5) the resistance value to be inserted in rotor to make starting torque equal maximum torque. B/ Derive the maximum slip. Ts/Tm and Ts/Tr. TP WIT

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter32: Three-phase Motors

Section: Chapter Questions

Problem 6RQ: Name three factors that determine the torque produced by an induction motor.

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