engineering recuitment GATE EE 2023-24 Test Series Electrical Machines Three Phase Induction Motor Induction Motor Torque Speed Characteristics
For a 3-phase slip ring induction motor, the maximum torque is 2.5 times the full load torque and the starting torque is 1.5 times the full load torque. The percentage reduction in rotor circuit resistance to get a full load slip of 3% is _______
Neglect stator impedance.
1
56.9 %
2
62.3 %
3
39.4%
4
43.2%