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categoryالهندسة الكهربائية schoolبكالوريوس event_available2026-07-15

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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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