Question
D) Find the voltage regulation and officiency tof all the cases in part part (c) above. (e) above...
d) Find the voltage regulation and officiency tof all the cases in part part (c) above. (e) above. 2. (25) A three-phase, 12 HP, 220 V, 60 Hz, Y connected induction motor is running at 1728 rpm while delivering rated torque. The induction motor has the following equivalent circuit model parameters: R1-0.1 Ω, X1-040 R2-0.16Ω, X2 1Ω, and XM Ignore core losses. 20 Ω Find: (Hint: Reasonable engineering approximations are encouraged.) a) The shaft torque. b) The motor efficiency. Hint: What are the input and output powers? c) Mechanical losses, Pmech Pwf+ Pmisc d) The rotor speed in rpm at pullout torque. e) The pullout torque. h) The starting current and torque.
Answers
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