The parameters of a 3-phase, 4-pole, 50 Hz, Y-connected, wound-rotor induction motor are listed below. These are the default values of the "Asynchronous Machine" model in MATLAB Simulink. r1=0.5968 Ω; r2=0.6258 Ω; L1=0.0003495 H; L2=0.005473 H; Lm=0.0354 H; Stator line voltage = 400 V rms. The motor for rotor speeds nm= 0 to 1500 rpm.
X1= 0.1097 ohm, X2= 1.719 ohm , Xm= 11.12 ohm, RTH = 0.5853 , XTH = 0.1395 and
VTH = 230.82 V.
Suppose the motor is to rotate a load with constant torque of τm =100 N.m. Then use MATLAB to plot the torque-speed characteristic of the load. What would be the motor speed and torque?
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