4-24- A three-phase, 335-hp, 2000-V, six-pole, 60-Hz, Y- connected scuirrel-cage induction motor has the following parameters per phase that are applicable at normal slips: Ti = 0.2 2 ń = 0.203 N Xi = X'2 = 0.707 N re = 450 2 %3D Xp = 77 2 The rotational losses are 4100 W . Using the approximate equivalent circuit, compute for the slip of 1.5%: a)line power factor and current. b)devloped current. c)efficincy.
4-24- A three-phase, 335-hp, 2000-V, six-pole, 60-Hz, Y- connected scuirrel-cage induction motor has the following parameters per phase that are applicable at normal slips: Ti = 0.2 2 ń = 0.203 N Xi = X'2 = 0.707 N re = 450 2 %3D Xp = 77 2 The rotational losses are 4100 W . Using the approximate equivalent circuit, compute for the slip of 1.5%: a)line power factor and current. b)devloped current. c)efficincy.
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter32: Three-phase Motors
Section: Chapter Questions
Problem 6RQ: Name three factors that determine the torque produced by an induction motor.
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![4-24- A three-phase, 335-hp, 2000-V, six-pole, 60-Hz, Y-
connected scuirrel-cage induction motor has the following
parameters per phase that are applicable at normal slips:
ri = 0.2 Q
ŕ2 = 0.203 N
XI =
= 0.707 N
re = 450 2
Xạ = 77 2
%3D
%3D
The rotational losses are 4100 W . Using the approximate
equivalent circuit, compute for the slip of 1.5%:
a)line power factor and current.
b)devloped current.
c)efficincy.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7eaea75e-6c9b-41be-8807-a6a7d2ff7e5d%2F68c76e11-61a4-48ab-ac47-531bc5fd5a74%2Fm9zhkdb_processed.jpeg&w=3840&q=75)
Transcribed Image Text:4-24- A three-phase, 335-hp, 2000-V, six-pole, 60-Hz, Y-
connected scuirrel-cage induction motor has the following
parameters per phase that are applicable at normal slips:
ri = 0.2 Q
ŕ2 = 0.203 N
XI =
= 0.707 N
re = 450 2
Xạ = 77 2
%3D
%3D
The rotational losses are 4100 W . Using the approximate
equivalent circuit, compute for the slip of 1.5%:
a)line power factor and current.
b)devloped current.
c)efficincy.
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