A 400 V, 4-pole, 1450 rpm, 50 Hz wound- rotor induction motor has the following circuit model parameters. R1 = 0.3 0; R2 = 0.25 Ω; X1X20.6 Ω; Xm - 35 Ω (a)

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A 400 V, 4-pole, 1450 rpm, 50 Hz wound-
rotor induction motor has the following
circuit model parameters. R1 = 0.3 N; R2 =
0.25 2; X1 = X2 = 0.6 Q; Xm = 35 N (a)
Calculate the starting torque and current
when the motor is started direct on full
voltage. (b) Find the slip for maximum
torque.
Transcribed Image Text:A 400 V, 4-pole, 1450 rpm, 50 Hz wound- rotor induction motor has the following circuit model parameters. R1 = 0.3 N; R2 = 0.25 2; X1 = X2 = 0.6 Q; Xm = 35 N (a) Calculate the starting torque and current when the motor is started direct on full voltage. (b) Find the slip for maximum torque.
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