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 0, x1=x2'=2 0, r2'=0.4 Q, rc=200 N , xO = 40 N 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.
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 0, x1=x2'=2 0, r2'=0.4 Q, rc=200 N , xO = 40 N 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.
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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![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 0, r2'=0.4 N, rc=200 N , xp = 40 N
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%2F1a4ea253-dbb8-43eb-8304-bb9cb528c579%2F6a1f5318-dd10-48b6-aa5a-d313382cd8a4%2Ftoc8oix_processed.jpeg&w=3840&q=75)
Transcribed Image Text: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 0, r2'=0.4 N, rc=200 N , xp = 40 N
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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