A 3 phase, 4 pole, 400 V, 50 Hz, star connected induction motor has following circuit parameters Xm = 35Q 7 = 1.0 2, r = 0.5 2, x = x = 1.2 Q, The starting torque when the motor is started direct-on-line is (use approximate equivalent circuit model) (a) 63.6 Nm c) 190.8 Nm %3D %3D %3D %3D (b) 74.3 Nm (d) 222.9 Nm

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34 A 3 phase, 4 pole, 400 V, 50 Hz, star connected
induction motor has following circuit parameters
=D35Q
r, = 1.0 2, rý = 0.5 2, x = x = 1.2 S2, x = 350
=0.5 2, x, = x2 = 1.2 2,
%3D
%3D
%3D
The starting torque when the motor is started
direct-on-line is (use approximate equivalent
circuit model)
(b) 74.3 Nm
(d) 222.9 Nm
(a) 63.6 Nm
(c) 190.8 Nm
Transcribed Image Text:34 A 3 phase, 4 pole, 400 V, 50 Hz, star connected induction motor has following circuit parameters =D35Q r, = 1.0 2, rý = 0.5 2, x = x = 1.2 S2, x = 350 =0.5 2, x, = x2 = 1.2 2, %3D %3D %3D The starting torque when the motor is started direct-on-line is (use approximate equivalent circuit model) (b) 74.3 Nm (d) 222.9 Nm (a) 63.6 Nm (c) 190.8 Nm
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