Question 5 The following test data was captured from a 15hp, 4-pole, 400V, Design A, Induction motor....

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Electrical Engineering

Question 5
The following test data was captured from a 15hp, 4-pole, 400V,Design A, Induction motor. The star-connected machine has a ratedcurrent of 50A.
No-Load Test
VT = 400V
f = 50Hz
IA = 12A
Pin = 650W
IB = 12.1A
IC = 12.05A
16
DC Test
V = 15V
I = 50A
Locked Rotor Test
VT = 35V
f = 15Hz
IA = 50.1A
Pin = 1850W
IB = 49.5A
IC = 48.75A
5.1
Calculate the parameters of the equivalent circuit.
(7)
5.2
Draw and label the equivalent circuit and include the calculatedvalues of the respective circuit parameters.
(3)
5.3
Find the slip at the pull-out torque. Calculate the pull-outtorque.
(5)
[15]

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