2) A 460-V, 60-Hz, four-pole, Y-connected induction motor is rated at 25 hp. The equivalent circuit parameters are: R1 =
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2) A 460-V, 60-Hz, four-pole, Y-connected induction motor is rated at 25 hp. The equivalent circuit parameters are: R1 =
2) A 460-V, 60-Hz, four-pole, Y-connected induction motor is rated at 25 hp. The equivalent circuit parameters are: R1 =0.15 12 R=0.1542 X= 20 Ω Xi = 0.85222 X2=1.0662 Pric &Win = 400 W Pmisc= 150 W Pcore= 400 W For a slip of 0.02. find (a) The line current 11 (b) The stator power factor (c) The rotor power factor (d) The rotor frequency (e) The stator copper losses Pscu (f) The air-gap power PAG (g) The power converted from electrical to mechanical form P.com (h) The induced torque Timd (i) The load torque Troad (1) The overall machine efficiency n (k) The motor speed in revolutions per minute and radians per second 3) For the motor in Problem 2) what is the pullout torque? What is the slip at the pullout torque? What is the rotor speed at the pullout torque?
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