Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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Electrical Machines

4-20-A three-phase,60-Hz , six pole wound-rotor induction
motor draws 10kW when driving its normal load.it draw 700W
,when the load is disconnected The rotor and stator copper loses
under normal load are 295 W and 310 W respectively. Calculate
the efficiency, the specd, and the shaft torque of this motor
under normal load condition , Assume equal rotational and core
losses and negligible no-load copper Isses.
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Transcribed Image Text:4-20-A three-phase,60-Hz , six pole wound-rotor induction motor draws 10kW when driving its normal load.it draw 700W ,when the load is disconnected The rotor and stator copper loses under normal load are 295 W and 310 W respectively. Calculate the efficiency, the specd, and the shaft torque of this motor under normal load condition , Assume equal rotational and core losses and negligible no-load copper Isses.
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