A three-phase, Y-connected, 220V (line-to-line), 7.5kw, 50HZ, 6-pole induction motor has the following parameters in N/phase referred to the stator side: R1 = 0.294, R2 = 0.144, X, = 0.503, X = 0.209, X, = 13.25 %3D R1 R'2 X2 R2 The motor is operated at rated voltage and frequency. If the machine operates at 2% slip and 400W

A. Name different types (starting method) of Single-phase induction motor and draw their stator circuit with Torque speed curve B. A 113 V, 53 Hz, 3.5 hp, 6 pole, single phase induction motor running at 1140 rpm has the following circuit parameters: R1 = 1.6 Q X1= 2.3 2 R2 = 2.1 2 X, = 2.3 2 Xm=113 Q Draw the equivalent circuit and Determine a) Slip e) Converted power b) Rotational loses f) Efficiency c) Input power d) Stator power factor