6-15. A 460-V 60-Hz four-pole Y-connected induction motor is rated at 25 hp. The equivalen...

6-15. A 460-V 60-Hz four-pole Y-connected induction motor is rated at 25 hp. The equivalent circuit parameters are

For a slip of 0.02, find

(a) The line current I_L

(b) The stator power factor

(c) The rotor power factor

(d) The rotor frequency

(e) The stator copper losses P_sch

(j) The air-gap power P_AG

(g) The power converted from electrical to mechanical form P_conv

(h) The induced torque

(i) The load torque

(j) The overall machine efficiency

(k) The motor speed in revolutions per minute and radians per second

(l) What is the starting code letter for this motor?