Problem I A 440-V 50-Hz two-pole Y-connected induction motor is rated at 75 kW. The equivalent ci...

Problem I A 440-V 50-Hz two-pole Y-connected induction motor is rated at 75 kW. The equivalent circuit parameters are R1 0.075 ? R2:0.065 ? XM 7.2 ? Xi 0.17? X2 0.17? P FAW 1.0 kW For a slip of 0.04, find (a) The line current I (b) The stator power factor (c) The rotor power factor (d) The stator copper losses Psc (e) The air-gap power PA (1) The power converted from electrical to mechanical form Pm (g) The induced torque td (h) The load torque (i) The overall machine efficiency ? ) The motor speed in revolutions per minute and radians per second Pie 150 w Puee = 1.1 kW