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A 440-V 50-Hz two-pole Y-connected induction motor is rated at 75 kW. The equivalent circuitparameters are R1= 0.075 Q RC-8 Q Xm-7.2 0 X1= 0.17 Q X2- 0.17 0 Pw 1.OkW Protor core-1.1kw Pstator core =1kw For a slip of 0.04, find (a) The line current 89.54 v (b) The stator power factor 0.949 v (c) The rotor power factor 0.995 v (d) The stator losses 1675 (e) The air-gap power 10300 (f) The power converted from electrical to mechanical 98900 ♥ (g) The out torque 324.6 v (i) The overall machine efficiency 96.78 (1) The motor speed in revolutions per minute 2880 (z) The motor speed radians per second 98900 v

A 440-V 50-Hz two-pole Y-connected induction motor is rated at 75 kW. The equivalent circuitparameters are R1= 0.075 Q RC-8 Q Xm-7.2 0 X1= 0.17 Q X2- 0.17 0 Pw 1.OkW Protor core-1.1kw Pstator core =1kw For a slip of 0.04, find (a) The line current 89.54 v (b) The stator power factor 0.949 v (c) The rotor power factor 0.995 v (d) The stator losses 1675 (e) The air-gap power 10300 (f) The power converted from electrical to mechanical 98900 ♥ (g) The out torque 324.6 v (i) The overall machine efficiency 96.78 (1) The motor speed in revolutions per minute 2880 (z) The motor speed radians per second 98900 v

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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A 440-V 50-Hz two-pole Y-connected induction motor is rated at 75 kW. The equivalent circuitparameters are R1= 0.075 0 RC-8 Q Xm3D 7.2 Q X1 =0.17 Q X2- 0.17 0 PRw = 1.0kW Protor core-1.1kw Pstator core =1kw For a slip of 0.04, find (a) The line current 89.54 v (b) The stator power factor 0.949 v (c) The rotor power factor 0.995 v (d) The stator losses 1675 (e) The air-gap power 10300 - (f) The power converted from electrical to mechanical 98900 - (g) The out torque 324.6 v (i) The overall machine efficiency 96.78 v (i) The motor speed in revolutions per minute 2880 (z) The motor speed radians per second 98900 v
Transcribed Image Text:A 440-V 50-Hz two-pole Y-connected induction motor is rated at 75 kW. The equivalent circuitparameters are R1= 0.075 0 RC-8 Q Xm3D 7.2 Q X1 =0.17 Q X2- 0.17 0 PRw = 1.0kW Protor core-1.1kw Pstator core =1kw For a slip of 0.04, find (a) The line current 89.54 v (b) The stator power factor 0.949 v (c) The rotor power factor 0.995 v (d) The stator losses 1675 (e) The air-gap power 10300 - (f) The power converted from electrical to mechanical 98900 - (g) The out torque 324.6 v (i) The overall machine efficiency 96.78 v (i) The motor speed in revolutions per minute 2880 (z) The motor speed radians per second 98900 v
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