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A three-phase, four-pole, 208 V, 60 Hz, Y-connected, induction motor has the following parameters, in Q/phase referred to the stator: R1 = 0.22, X1 = 0.43, Xm = 15, Rc = ∞, R2 = 0.127 and X2 = 0.43. Assume that PF&w = 300 W. For %3D %D %3D a rated slip of 5%: a) Determine the rms value of the input current of the machine. b) Find the power converted from electrical to mechanical. c) Compute the shaft speed at half-rated load.

A three-phase, four-pole, 208 V, 60 Hz, Y-connected, induction motor has the following parameters, in Q/phase referred to the stator: R1 = 0.22, X1 = 0.43, Xm = 15, Rc = ∞, R2 = 0.127 and X2 = 0.43. Assume that PF&w = 300 W. For %3D %D %3D a rated slip of 5%: a) Determine the rms value of the input current of the machine. b) Find the power converted from electrical to mechanical. c) Compute the shaft speed at half-rated load.

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 three-phase, four-pole, 208 V, 60 Hz, Y-connected, induction motor has the following parameters, in Q/phase referred to the stator: R1 = 0.22, X1 = 0.43, Xm = 15, Rc = 0, R2 = 0.127 and X2 = 0.43. Assume that PFgw = 300 W. For a rated slip of 5%: a) Determine the rms value of the input current of the machine. b) Find the power converted from electrical to mechanical. c) Compute the shaft speed at half-rated load.
Transcribed Image Text:A three-phase, four-pole, 208 V, 60 Hz, Y-connected, induction motor has the following parameters, in Q/phase referred to the stator: R1 = 0.22, X1 = 0.43, Xm = 15, Rc = 0, R2 = 0.127 and X2 = 0.43. Assume that PFgw = 300 W. For a rated slip of 5%: a) Determine the rms value of the input current of the machine. b) Find the power converted from electrical to mechanical. c) Compute the shaft speed at half-rated load.
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