Question 1 A 3-phase, 440-V, delta-connected, 4-pole 50-Hz induction motor runs at a speed of 1447 rpm when operating at its rated load. The equivalent circuit has the following per-phase :parameters r1=0.2 N, x1-x2=2 Ω, r2-0.4 Ω, rc=200 Ω, χφ 40 Ω %3D Using the approximate circuit, determine, for rated load, the values of line current and power factor, torque, output power and efficiency. The mechanical loss is 1000 watts.
Question 1 A 3-phase, 440-V, delta-connected, 4-pole 50-Hz induction motor runs at a speed of 1447 rpm when operating at its rated load. The equivalent circuit has the following per-phase :parameters r1=0.2 N, x1-x2=2 Ω, r2-0.4 Ω, rc=200 Ω, χφ 40 Ω %3D Using the approximate circuit, determine, for rated load, the values of line current and power factor, torque, output power and efficiency. The mechanical loss is 1000 watts.
Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Electrical Machines
![Question 1
A 3-phase, 440-V, delta-connected, 4-pole 50-Hz induction motor runs at a speed of 1447
rpm when operating at its rated load. The equivalent circuit has the following per-phase
:parameters
r1=0.2 2,
x1-x2-2Ω, r2-0.4 Ω, rc-200 Ω , Χφ -40 Ω
%3D
Using the approximate circuit, determine, for rated load, the values of line current and power
factor, torque, output power and efficiency. The mechanical loss is 1000 watts.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Faa876603-e7e8-424d-a103-1eedcb879595%2F38994ab4-8ad4-4764-9194-ccb0ae84a8ea%2Fcoqtn45_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Question 1
A 3-phase, 440-V, delta-connected, 4-pole 50-Hz induction motor runs at a speed of 1447
rpm when operating at its rated load. The equivalent circuit has the following per-phase
:parameters
r1=0.2 2,
x1-x2-2Ω, r2-0.4 Ω, rc-200 Ω , Χφ -40 Ω
%3D
Using the approximate circuit, determine, for rated load, the values of line current and power
factor, torque, output power and efficiency. The mechanical loss is 1000 watts.
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