Q. 46 The locked rotor current in a 3-phase, star connected 15 kW, 4 pole, 230 V, 50 Hz
induction motor at rated conditions is 50 A. Neglecting losses and magnetizing
current, the approximate locked rotor line current drawn when the motor is
connected to a 236 V, 57 Hz supply is
(A) 58.5 A
(B) 45.0 A
(C) 42.7 A
(D) 55.6 A
Answer:(B)
Explanation: