engineering recuitment MP Vyapam Sub Engineer Mock Test 2024 Electrician and Wireman Electrical Machines Polyphase Induction Motors
A 4 pole, 50 Hz, 3-phase induction motor has a rotor resistance of 0.024 Ω per phase and standstill reactance of 0.6 Ω per phase. The speed at which the maximum torque developed is ______.
1
1500 rpm
2
980 rpm
3
1560 rpm
4
1440 rpm