تم الحل ✓
categoryالهندسة الكهربائية
schoolبكالوريوس
event_available2026-07-15
السؤال
Transcribed Image Text:
2)
A 75 hP 440V 50 Hz three phase wye connected
induction motor having four poles is driving a blower at
948 rpm.
234 watts is the combined friction, windage and
stray power losses. The motor stator parameters in ohms
per phase are:
R₁ = 0.355
X₂ = 1.42
XM = 53.0
X₁ = 1.387
=
Z2 24.325 angle 4.8°
Rfe = 345
Calculate slip, Line current, R2, apparent power, active power,
reactive power and power factor of the motor, equivalent rotor
current, stator copper loss, rotor copper loss, core loss, air-gap
power, mechanical power developed, developed torque, shaft
horsepower, shaft torque, efficiency, sketch the power flow
diagram. (25 Points)
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