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
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter21: Resistive-capacitive Series Circuits
Section: Chapter Questions
Problem 6RQ: A 15-F AC capacitor is connected in series with a 50 resistor. The capacitor has a voltage rating...
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