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4. A 4-pole induction motor draws 25 A from a 50 Hz, 460 V, three phase line at power factor of 0.85 lagging. The stator copper loss is 100 W, and the rotor copper loss is 500 W. The friction and windage loss is 250 W, stator core loss is 1000 W. Calculate 4.1 The airgap power [14931 W] 4.2 The slip [0.0335] 4.3 The mechanical power developed [14431 W] 4.4 The operating speed of the motor [1449.75 RPM] 4.5 The shaft torque [93.42 NM] 4.6 The full load efficiency [83.78%]

4. A 4-pole induction motor draws 25 A from a 50 Hz, 460 V, three phase line at power factor of 0.85 lagging. The stator copper loss is 100 W, and the rotor copper loss is 500 W. The friction and windage loss is 250 W, stator core loss is 1000 W. Calculate 4.1 The airgap power [14931 W] 4.2 The slip [0.0335] 4.3 The mechanical power developed [14431 W] 4.4 The operating speed of the motor [1449.75 RPM] 4.5 The shaft torque [93.42 NM] 4.6 The full load efficiency [83.78%]

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Homework 4. A 4- pole induction motor draws 25 A from a 50 Hz, 460 V, three phase line at power factor of 0.85 lagging. The stator copper loss is 100 W, and the rotor copper loss is 500 W. The friction and windage loss is 250 W, stator core loss is 1000 W. Calculate 4.1 The airgap power [14931 W] 4.2 The slip [0.0335] 4.3 The mechanical power developed [14431 W] 4.4 The operating speed of the motor [1449.75 RPM] 4.5 The shaft torque [93.42 NM] 4.6 The full load efficiency [83.78%]
Transcribed Image Text:Homework 4. A 4- pole induction motor draws 25 A from a 50 Hz, 460 V, three phase line at power factor of 0.85 lagging. The stator copper loss is 100 W, and the rotor copper loss is 500 W. The friction and windage loss is 250 W, stator core loss is 1000 W. Calculate 4.1 The airgap power [14931 W] 4.2 The slip [0.0335] 4.3 The mechanical power developed [14431 W] 4.4 The operating speed of the motor [1449.75 RPM] 4.5 The shaft torque [93.42 NM] 4.6 The full load efficiency [83.78%]
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