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A 460-V, 25-hp, 60-Hz, four pole, Y-connected induction motor has the following impedances in ohms per phase referred to the stator circuit: R1 = 0.641N R2 = 0.3320 X1 = 1.1060 X2 = 0.4640 XM = 26.30 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 % at the rated voltage and rated frequency, find the motor's a) Speed b) Stator current c) Power factor d) Peony and Pout e) Tind and Toad f) Efficiency

A 460-V, 25-hp, 60-Hz, four pole, Y-connected induction motor has the following impedances in ohms per phase referred to the stator circuit: R1 = 0.641N R2 = 0.3320 X1 = 1.1060 X2 = 0.4640 XM = 26.30 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 % at the rated voltage and rated frequency, find the motor's a) Speed b) Stator current c) Power factor d) Peony and Pout e) Tind and Toad f) Efficiency

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 460-V, 25-hp, 60-Hz, four pole, Y-connected induction motor has the following impedances in ohms per phase referred to the stator circuit: R1 = 0.6410 X1 = 1.1060 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 % at the rated voltage and rated frequency, find the motor's a) Speed R2 = 0.3320 X2 = 0.4640 XM = 26.30 d) Peony and Pout e) Tind and Tload f) Efficiency b) Stator current ) Power factor
Transcribed Image Text:A 460-V, 25-hp, 60-Hz, four pole, Y-connected induction motor has the following impedances in ohms per phase referred to the stator circuit: R1 = 0.6410 X1 = 1.1060 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 % at the rated voltage and rated frequency, find the motor's a) Speed R2 = 0.3320 X2 = 0.4640 XM = 26.30 d) Peony and Pout e) Tind and Tload f) Efficiency b) Stator current ) Power factor
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