single-phase, 1/4 hp, 230 V, 60 Hz, four-pole, 1710 rpm induction motor has the following equivalent circuit parameters for the main winding: R1m=9.5Ω, R02=10.8Ω, X1m=X/2=12Ω, Xmag=260Ω At 230V and rated speed, the core loss is 30W, and the friction and windage loss is 15W. The motor is connected to an 1 φ, 230V, 60Hz supply and runs at the rated speed. Determine: a) The slip. b) The motor current. c) The input power factor. d) The input power. e) The developed torque. f) The output shaft power and shaft torque. g) The efficiency. h) The rotor circuit frequencies and the rotor cu-losses. i) The ratio of the forward flux to the backward flux.
single-phase, 1/4 hp, 230 V, 60 Hz, four-pole, 1710 rpm induction motor has the following equivalent circuit parameters for the main winding: R1m=9.5Ω, R02=10.8Ω, X1m=X/2=12Ω, Xmag=260Ω At 230V and rated speed, the core loss is 30W, and the friction and windage loss is 15W. The motor is connected to an 1 φ, 230V, 60Hz supply and runs at the rated speed. Determine: a) The slip. b) The motor current. c) The input power factor. d) The input power. e) The developed torque. f) The output shaft power and shaft torque. g) The efficiency. h) The rotor circuit frequencies and the rotor cu-losses. i) The ratio of the forward flux to the backward flux.
Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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16. A single-phase, 1/4 hp, 230 V, 60 Hz, four-pole, 1710 rpm induction motor has the following equivalent circuit parameters for the main winding: R1m=9.5Ω, R02=10.8Ω, X1m=X/2=12Ω, Xmag=260Ω At 230V and rated speed, the core loss is 30W, and the friction and windage loss is 15W. The motor is connected to an 1 φ, 230V, 60Hz supply and runs at the rated speed. Determine:
a) The slip.
b) The motor current.
c) The input power factor.
d) The input power.
e) The developed torque.
f) The output shaft power and shaft torque.
g) The efficiency.
h) The rotor circuit frequencies and the rotor cu-losses.
i) The ratio of the forward flux to the backward flux.
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