Question: A 2 4 0 / 4 1 5 V , 1 0 kW , 9 4 0 rpm , 6 - pole 5 0 -

A 240/415 V,10 kW,940 rpm,6-pole 50-Hz Y-connected induction motor has the following parameter values in /phase referred to the stator : R1=0.5, R2'=0.2\Omega , X1=0.75, X2'=0.75, RC =300, Xm =15 Neglect mechanical losses. At a speed of 900 rpm, calculate the following: 1. Motor line current. 2. Motor developed torque. 3. Motor input power. 4. Motor shaft (output) power. 5. Motor efficiency.

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