A 75-hp, 460-V, 4-pole, 60-Hz, Y-connected induction motor develops its full-load induced torque at 3% slip when operating at 460 V. The motor has the following per-phase equivalent parameters referred to the stator side: R₁ = 0.07 X1 = 0.35 Ω Xm = 200 Xz = 0.35 Ω The mechanical, core and stray losses represent 5% of the rated output power. Use the approximate circuit model (without Rc) to
A 75-hp, 460-V, 4-pole, 60-Hz, Y-connected induction motor develops its full-load induced torque at 3% slip when operating at 460 V. The motor has the following per-phase equivalent parameters referred to the stator side: R₁ = 0.07 X1 = 0.35 Ω Xm = 200 Xz = 0.35 Ω The mechanical, core and stray losses represent 5% of the rated output power. Use the approximate circuit model (without Rc) to
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![A 75-hp, 460-V, 4-pole, 60-Hz, Y-connected induction motor develops its full-load
induced torque at 3% slip when operating at 460 V. The motor has the following per-phase
equivalent parameters referred to the stator side:
R₁
X₁
=
=
0.07 Ω
0.35 Ω
Xm = 200
X2 = 0.35 Ω
The mechanical, core and stray losses represent 5% of the rated output power. Use the
approximate circuit model (without Rc) to
a) Find R₂ (i.e., referred to the stator side)
b) Calculate Tmax, Smax, and the rotor speed at the maximum torque](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa935b5b3-550a-4564-9870-ed0c06de3fa7%2Fa54e1b6f-5960-41b5-aa64-2aa090b6b733%2F9dbpa58_processed.png&w=3840&q=75)
Transcribed Image Text:A 75-hp, 460-V, 4-pole, 60-Hz, Y-connected induction motor develops its full-load
induced torque at 3% slip when operating at 460 V. The motor has the following per-phase
equivalent parameters referred to the stator side:
R₁
X₁
=
=
0.07 Ω
0.35 Ω
Xm = 200
X2 = 0.35 Ω
The mechanical, core and stray losses represent 5% of the rated output power. Use the
approximate circuit model (without Rc) to
a) Find R₂ (i.e., referred to the stator side)
b) Calculate Tmax, Smax, and the rotor speed at the maximum torque
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