In: Electrical Engineering
A 3-phase 208V line-to-line), 4 pole 1746rpm induction motor is taking 45kVA at 0.9 power factor. The total developed torque is 2000N-m and the rotational losses are 1.5kW. Determine the following: a) The rotor copper losses b) The overall efficiency c) The stator winding resistance (per-phase)