2. A 480V, 60H2, 8-pole, three-phase Y-connected induction motor has the following equivalent circuit parameters: R: - 0.0450, X; - 0.30N, R: -0.0542, X;-0.302, Xw- 10.02. Core, rotational, and stray losses are negligible. The motor is operating from an ideal 480V, 60HZ, three-phase balanced ac voltage source. (a) Determine the initial magnitude of the motor's line current if the motor is started from the 480V, 60Hz power source [A]. (b) The motor is connected to a mechanical load and operating at a speed of 850 rpm. Determine the magnitude of the motor's line current [AJ. (c) Find the motor's torque if the mechanical load is operating at a speed of 850 rpm [N-m].
2. A 480V, 60H2, 8-pole, three-phase Y-connected induction motor has the following equivalent circuit parameters: R: - 0.0450, X; - 0.30N, R: -0.0542, X;-0.302, Xw- 10.02. Core, rotational, and stray losses are negligible. The motor is operating from an ideal 480V, 60HZ, three-phase balanced ac voltage source. (a) Determine the initial magnitude of the motor's line current if the motor is started from the 480V, 60Hz power source [A]. (b) The motor is connected to a mechanical load and operating at a speed of 850 rpm. Determine the magnitude of the motor's line current [AJ. (c) Find the motor's torque if the mechanical load is operating at a speed of 850 rpm [N-m].
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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![2. A 480V, 60H2, 8-pole, three-phase Y-connected induction motor has the following equivalent
circuit parameters:
R 0.0452, X; 0.302, R: -0.0542, X; 0.302, X 10.02.
Core, rotational, and stray losses are negligible. The motor is operating from an ideal 480V,
60HZ, three-phase balanced ac voltage source.
(a) Determine the initial magnitude of the motor's line current if the motor is started from the 480V,
60Hz power source [A].
(b) The motor is connected to a mechanical load and operating at a speed of 850 rpm. Determine the
magnitude of the motor's line current [A].
(c) Find the motor's torque if the mechanical load is operating at a speed of 850 rpm [N-m].](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fcad4b344-6f70-4a65-98b4-02b3bea15875%2Fd0fa1945-d692-479b-9479-6c56167795f5%2F7cc3soq_processed.jpeg&w=3840&q=75)
Transcribed Image Text:2. A 480V, 60H2, 8-pole, three-phase Y-connected induction motor has the following equivalent
circuit parameters:
R 0.0452, X; 0.302, R: -0.0542, X; 0.302, X 10.02.
Core, rotational, and stray losses are negligible. The motor is operating from an ideal 480V,
60HZ, three-phase balanced ac voltage source.
(a) Determine the initial magnitude of the motor's line current if the motor is started from the 480V,
60Hz power source [A].
(b) The motor is connected to a mechanical load and operating at a speed of 850 rpm. Determine the
magnitude of the motor's line current [A].
(c) Find the motor's torque if the mechanical load is operating at a speed of 850 rpm [N-m].
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