Mathematics · Electrical Machines
A star-connected 3-phase, 400 V, 50 kVA, 50 Hz synchronous motor has a synchronous reactance of 1 Ω per phase with negligible armature resistance. The shaft load on the motor is 10 kW while the power factor is 0.8 leading. The loss in the motor is 2 kW. What is the magnitude of the per-phase excitation emf of the motor in volts? (Round off to the nearest integer)
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