AY-connected three-phase induction motor has the following values printed on the nameplate: 230V line voltage, 60HZ, 6-pole. Additionally, it has the following parameters in ohms/phase as referred to the stator: R1=0.5 Q, R2'=0.250, X1=0.75, X2'= 0.50, Rc=5000, and Xm-1000. The friction and windage loss is %3D 150W. At a rated slip of 2.5%, determine:(a) The input power (b) The stator Cu- loss, (c) The rotor Cu-loss (d) The air-gap power (e) The shaft torque (g) efficiency

AY-connected three-phase induction motor has the following values printed on the nameplate: 230V line voltage, 60HZ, 6-pole. Additionally, it has the following parameters in ohms/phase as referred to the stator: R1=0.5 Q, R2'=0.250, X1=0.75, X2'= 0.50, Rc=5000, and Xm-1000. The friction and windage loss is %3D 150W. At a rated slip of 2.5%, determine:(a) The input power (b) The stator Cu- loss, (c) The rotor Cu-loss (d) The air-gap power (e) The shaft torque (g) efficiency

Electric Motor Control

10th Edition

ISBN:9781133702818

Author:Herman

Publisher:Herman

Chapter39: Synchronous Motor Operation

Section: Chapter Questions

Problem 14SQ: Induction motors and welding transformers require magnetizing current, which causes a. lagging power...

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