A 440 V, six poles, 80 hp, 60 Hz, Y connected three phase induction motor develops its full load induced torque at 3.5 % slip when operating at 60 Hz and 440 V. The per phase circuit model impedances of the motor are R₁ = 0.32 Ω XM = 320 Ω X₁ = 0.44 02 X = 0.38 Ω Mechanical, core, and stray losses may be neglected in this problem. Find the value of the rotor resistance R₂.
A 440 V, six poles, 80 hp, 60 Hz, Y connected three phase induction motor develops its full load induced torque at 3.5 % slip when operating at 60 Hz and 440 V. The per phase circuit model impedances of the motor are R₁ = 0.32 Ω XM = 320 Ω X₁ = 0.44 02 X = 0.38 Ω Mechanical, core, and stray losses may be neglected in this problem. Find the value of the rotor resistance R₂.
Chapter39: Synchronous Motor Operation
Section: Chapter Questions
Problem 14SQ: Induction motors and welding transformers require magnetizing current, which causes a. lagging power...
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![A 440 V, six poles, 80 hp, 60 Hz, Y connected three phase induction motor develops its full
load induced torque at 3.5 % slip when operating at 60 Hz and 440 V. The per phase circuit
model impedances of the motor are
R₁
= 0.32 Ω
XM = 320
Ω
X₁ = 0.44 02
X = 0.38 Ω
Mechanical, core, and stray losses may be neglected in this problem. Find the value of the
rotor resistance R₂.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0c9a925f-a5a6-4b3f-8a90-872ca88328d8%2F823093fe-88e3-4a42-8e4a-a964183896d5%2Fca9aeos_processed.png&w=3840&q=75)
Transcribed Image Text:A 440 V, six poles, 80 hp, 60 Hz, Y connected three phase induction motor develops its full
load induced torque at 3.5 % slip when operating at 60 Hz and 440 V. The per phase circuit
model impedances of the motor are
R₁
= 0.32 Ω
XM = 320
Ω
X₁ = 0.44 02
X = 0.38 Ω
Mechanical, core, and stray losses may be neglected in this problem. Find the value of the
rotor resistance R₂.
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