A 50 Hz, four-pole, 480 V, three-phase, wye-connected induction machine has the following parameters: R1 =...

A 50 Hz, four-pole, 480 V, three-phase, wye-connected induction machine
has the following parameters:
R1 = 0.2 R2 = 0.3 Xeq = 12
The motor is loaded by a unidirectional constant-torque load of 40 NM. A
countercurrent braking is performed on the motor. Calculate the following:
a. Motor current before the countercurrent braking
b. Motor current just after the voltage sequence is reversed
C. Current at the moment when the motor stops
d. Moter torque at the condition of part ( b) and (c).
e. Motor current at the new steady state point
F. Motor torque at the new steady state point
g. Motor speed at the new steady-state point

Please help answer the question quickly

Expert Solution

Manojponduru answered 5 months ago

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