The single-phase equivalent-circuit parameters for a three-phase induction motor in ohms-per-phase are R₁ = 0.17 R₂ = 0.24 X₁ = 1.05 X₂ = 0.87 Xm 82.1 Rc = 435 = For a slip of 3.5 percent, and a terminal voltage of 460 V, line-line, calculate: Calculate the motor phase current and input real and reactive power. b. Calculate the mechanical output power and the power dissipated in the rotor. You may assume that the motor friction and windage losses are 270 W. c. Calculate the motor core loss and the motor efficiency.
The single-phase equivalent-circuit parameters for a three-phase induction motor in ohms-per-phase are R₁ = 0.17 R₂ = 0.24 X₁ = 1.05 X₂ = 0.87 Xm 82.1 Rc = 435 = For a slip of 3.5 percent, and a terminal voltage of 460 V, line-line, calculate: Calculate the motor phase current and input real and reactive power. b. Calculate the mechanical output power and the power dissipated in the rotor. You may assume that the motor friction and windage losses are 270 W. c. Calculate the motor core loss and the motor efficiency.
Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
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Transcribed Image Text:The single-phase equivalent-circuit parameters for a three-phase induction
motor in ohms-per-phase are
R₁ = 0.17 R₂ = 0.24 X₁ = 1.05 X₂ = 0.87
Xm 82.1 Rc = 435
=
For a slip of 3.5 percent, and a terminal voltage of 460 V, line-line, calculate:
Calculate the motor phase current and input real and reactive power.
b. Calculate the mechanical output power and the power dissipated in the
rotor. You may assume that the motor friction and windage losses are
270 W.
c. Calculate the motor core loss and the motor efficiency.
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