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Q4) A three-phase, 104 kW, 3300 V, 50 Hz, Y-connected induction motor delivers full output power...

Q4)

A three-phase, 104 kW, 3300 V, 50 Hz, Y-connected induction motor delivers full output power to a
load connected to its shaft. The full-load slip is 0.02 and full-load power factor is 0.85 lagging. If the stator
copper loss is 2400 W, the stator core loss is 3500 W, and the friction and windage loss is 1200 W. Calculate:
(i) The developed mechanical power.
(ii) The air gap power.
(iii) The rotor copper loss.
(iv) The efficiency of the motor.
(v) Input line current.

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