A 460-V, 25-hp, 60-Hz, four pole, Y-connected induction motor has the following impedances in ohms per phase referred to the stator circuit: R₂ = 0.3320 X₂ = = 0.464Ω R₁ = 0.641Ω X = 1.106Ω RM = 26.3Ω The total rotational losses are 1100 W and are assumed to be constant. The core loss is lumped in with the rotational losses. For a rotor slip of 2.2 % at the rated voltage and rated frequency, find the motor's a) Speed d) Pconv and Pout e) Tind and Tload b) Stator current c) Power factor f) Efficiency Activate
A 460-V, 25-hp, 60-Hz, four pole, Y-connected induction motor has the following impedances in ohms per phase referred to the stator circuit: R₂ = 0.3320 X₂ = = 0.464Ω R₁ = 0.641Ω X = 1.106Ω RM = 26.3Ω The total rotational losses are 1100 W and are assumed to be constant. The core loss is lumped in with the rotational losses. For a rotor slip of 2.2 % at the rated voltage and rated frequency, find the motor's a) Speed d) Pconv and Pout e) Tind and Tload b) Stator current c) Power factor f) Efficiency Activate
Introductory Circuit Analysis (13th Edition)
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Publisher:Robert L. Boylestad
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![A 460-V, 25-hp, 60-Hz, four pole, Y-connected induction motor has the
following impedances in ohms per phase referred to the stator circuit:
R₁ = 0.641Ω
R₂ = 0.3320
X₁ = 1.106Ω
X₂ = 0.464Ω
RM = 26.3Ω
The total rotational losses are 1100 W and are assumed to be constant.
The core loss is lumped in with the rotational losses. For a rotor slip of
2.2 % at the rated voltage and rated frequency, find the motor's
a) Speed
d) Pconv and Pout
b) Stator current
e) Tind and Tload
c) Power factor
f) Efficiency
Activate](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa36d9ad5-efa7-47f5-8552-a4de55f540ab%2Fca982b64-0033-4f69-a87d-de97db18d0ec%2Fsi83117_processed.png&w=3840&q=75)
Transcribed Image Text:A 460-V, 25-hp, 60-Hz, four pole, Y-connected induction motor has the
following impedances in ohms per phase referred to the stator circuit:
R₁ = 0.641Ω
R₂ = 0.3320
X₁ = 1.106Ω
X₂ = 0.464Ω
RM = 26.3Ω
The total rotational losses are 1100 W and are assumed to be constant.
The core loss is lumped in with the rotational losses. For a rotor slip of
2.2 % at the rated voltage and rated frequency, find the motor's
a) Speed
d) Pconv and Pout
b) Stator current
e) Tind and Tload
c) Power factor
f) Efficiency
Activate
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