Question: 6 . 1 8 A 5 0 Hz , 3 Phi, eight - pole induction motor takes 4 6 kW at 7 2 0 rpm

6.18 A 50Hz,3Phi, eight-pole induction motor takes 46 kW at 720 rpm . The stator Cu -loss is 1.2 kW , stator core loss is 1.4 kW , and rotor mechanical losses are 1 kW . Find the motor efficiency.
6 . 1 8 A 5 0 Hz , 3 Phi, eight - pole induction

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