engineering recuitment PGCIL Diploma Trainee Mock Test 2024 Electrical Machines Three Phase Induction Motor Induction Motor Torque
A 746 kW, 3-phase, 50 Hz, 16-pole induction motor has a rotor impedance of (0.02 +j 0.15) Ω at standstill. Full load torque is obtained at 360 rpm. Calculate the speed at which maximum torque occurs.
1
375 rpm
2
350 rpm
3
325 rpm
4
360 rpm