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A 460-V. 25-hp. 60 Hz. four-pole. V-connected induction motor has the following impedances in ohms per phase referred to the stator circuit: R1=0.641 ohm X1 = 1.106 ohm R2 = 0.332 ohm X2 0.464 ohm and Xm 26.3 ohm %3D %3D

A 460-V. 25-hp. 60 Hz. four-pole. V-connected induction motor has the following impedances in ohms per phase referred to the stator circuit: R1=0.641 ohm X1 = 1.106 ohm R2 = 0.332 ohm X2 0.464 ohm and Xm 26.3 ohm %3D %3D

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
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A 460-V. 25-hp. 60 Hz. four-pole. V-connected induction motor has the following impedances in ohms per phase referred to the stator circuit: R1=0.641 ohm X1 = 1.106 ohm R2 = 0.332 ohm X2 = 0.464 ohm and Xm 26.3 ohm %3D
Transcribed Image Text:A 460-V. 25-hp. 60 Hz. four-pole. V-connected induction motor has the following impedances in ohms per phase referred to the stator circuit: R1=0.641 ohm X1 = 1.106 ohm R2 = 0.332 ohm X2 = 0.464 ohm and Xm 26.3 ohm %3D
The total rotational losses are 1100 W and are assumed to be constant. The core loss is lumped in with the rotational losses. For a rotor slip of 2.2 percent at the rated voltage and rated frequency. find the motor's |(a) Speed (b) Stator current (c) Power factor (d) Pconv and Pout (e) Tind and Tload () Efficiency
Transcribed Image Text:The total rotational losses are 1100 W and are assumed to be constant. The core loss is lumped in with the rotational losses. For a rotor slip of 2.2 percent at the rated voltage and rated frequency. find the motor's |(a) Speed (b) Stator current (c) Power factor (d) Pconv and Pout (e) Tind and Tload () Efficiency
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