The 3-phase, 8-pole (2p = 8), 50 Hz, asynchronous motor operates at 740 rpm and draws 80 kW from the supply source. Core loss and copper losses in the stator are 5 kW. Wind and friction loss is 1.5 kW. a. Draw the equivalent circuit of the induction motor. b. Calculate the synchronous speed of the motor. c. Calculate the slip. D. Calculate the frequency of the rotor current. to. Calculate the power in the air gap. f. Calculate the rotor copper loss. g. Calculate the induced mechanical power. h. Calculate shaft power (given to load).
The 3-phase, 8-pole (2p = 8), 50 Hz, asynchronous motor operates at 740 rpm and draws 80 kW from the supply source. Core loss and copper losses in the stator are 5 kW. Wind and friction loss is 1.5 kW. a. Draw the equivalent circuit of the induction motor. b. Calculate the synchronous speed of the motor. c. Calculate the slip. D. Calculate the frequency of the rotor current. to. Calculate the power in the air gap. f. Calculate the rotor copper loss. g. Calculate the induced mechanical power. h. Calculate shaft power (given to load).
Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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The 3-phase, 8-pole (2p = 8), 50 Hz, asynchronous motor operates at 740 rpm and draws 80 kW from the supply source. Core loss and copper losses in the stator are 5 kW. Wind and friction loss is 1.5 kW.
a. Draw the equivalent circuit of the induction motor.
b. Calculate the synchronous speed of the motor.
c. Calculate the slip.
D. Calculate the frequency of the rotor current.
to. Calculate the power in the air gap.
f. Calculate the rotor copper loss.
g. Calculate the induced
h. Calculate shaft power (given to load).
I. Calculate the load moment in Nm.
j. Calculate the Efficiency of the Engine.
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