Question: A 5 0 H P , 3 - phase, 4 8 0 V , 6 0 H z , wye - connected induction motor has

A 50HP,3-phase, 480V,60Hz, wye-connected induction motor has the following motor parameters: Rl=0.087,R2=0.228,xl=0.302,x2=0.302,xm=13.08, and P=4. Note: All quantities have been reflected to the stator.
a. Find the stator current when the motor is operating at a speed of 1710 rpm .
b. What is the developed torque of the motor?
c. What is the input power of the motor under these conditions?
d. What is the output power of the motor? Note: the load torque is approximately equal to the developed torque in steady-state.

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