A 400V, 25hp, 601 4 pole, Y-connec induction motor I the following

Introductory Circuit Analysis (13th Edition)
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o a. 10.9Z - 33.6° A
o b. 32.7Z - 33.6° A
o c. 18.88Z - 33.6°
A
o d. None of these
Transcribed Image Text:o a. 10.9Z - 33.6° A o b. 32.7Z - 33.6° A o c. 18.88Z - 33.6° A o d. None of these
A 400V, 25hp, 60HZ,
4 pole, Y-connected
induction motor has
the following
impedances in
ohms per phase
referred to the
stator circuit:
R1=0.6410, X1=1.106 Q,
Rp=11.080, Xf=6.680
.The total rotational
(windage and
friction) losses are
1100 W and are
assumed to be
constant. The core
loss is jumped in
with the rotational
losses. For a rotor
slip of 3.2% at the
rated voltage and
rated frequency, the
stator current is
Transcribed Image Text:A 400V, 25hp, 60HZ, 4 pole, Y-connected induction motor has the following impedances in ohms per phase referred to the stator circuit: R1=0.6410, X1=1.106 Q, Rp=11.080, Xf=6.680 .The total rotational (windage and friction) losses are 1100 W and are assumed to be constant. The core loss is jumped in with the rotational losses. For a rotor slip of 3.2% at the rated voltage and rated frequency, the stator current is
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