Q.6) A 480 V, two-pole, 60 Hz, Y-connected induction motor has an equivalent inductive reactance of...

  

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Q.6) A 480 V, two-pole, 60 Hz, Y-connected induction motor has an equivalent inductive reactance of 4 ohms and a stator resistance of 0.2 ohms. The rotor resistance is 0.3 ohms. The motor is driving a constant-torque of 60 Nm at speed of 3500 rpm. Assume that this torque includes the rotational components. 1. Compute the maximum frequency of the supply voltage that would not block the rotor. Hint: you can do some approximations (X >> R₁) 2. Calculate the rotor current at 60 Hz and the maximum frequency (part 1) 3. Calculate the power delivered to the load at 60 Hz and the maximum frequency Q.6) A 480 V, two-pole, 60 Hz, Y-connected induction motor has an equivalent inductive reactance of 4 ohms and a stator resistance of 0.2 ohms. The rotor resistance is 0.3 ohms. The motor is driving a constant-torque of 60 Nm at speed of 3500 rpm. Assume that this torque includes the rotational components. 1. Compute the maximum frequency of the supply voltage that would not block the rotor. Hint: you can do some approximations (X >> R₁) 2. Calculate the rotor current at 60 Hz and the maximum frequency (part 1) 3. Calculate the power delivered to the load at 60 Hz and the maximum frequency

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Griven Terminal voltage lineline V 480 V Number of Poles P 2 Inductive Reactance x 45 Stator Resista... View the full answer