A 440 V, 10 hp, four pole, 50 Hz, Y-connected induction motor has the following parameters:
find:
a) The speed of the engine in revolutions perminute and radians per second
b) The line current IL and the current in the rotor referred to the stator side
c) Input Power (Pent)
d) Losses in the stator copper (PPCE)
e) The power in the air gap PEH
f) The power converted from electrical form to
mechanical, $P_{conv}$
g) Output power $P_{out}$
h) The power of the engine in horsepower
i) The induced torque $t_{ind}$
j) The load torque $t_{load}$
k) The overall efficiency of the machine
l) The locked rotor current
R1 = 1.2 ?
X1 = 0.093 ?
R2 = 2.1 ?
X2 = 0.534 ?
XM = 40 ?
S = 0.1
PNucl = 150 W
PFyR = 150 W
Pmis = 50 W