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°
Re = 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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