engineering recuitment GATE EE 2023-24 Test Series Electrical Machines Three Phase Induction Motor Induction Motor Torque
A 3 – phase, slip ring induction motor with delta connected rotor has an induced emf of 230 V between slip rings at standstill. Resistance and leakage reactance are 0.5 and 2.5 Ω respectively at standstill. What is the rotor current per phase at rotor developing maximum torque?
1
68.13 A
2
65.06 A
3
70.16 A
4
74.07 A