Based on example 6-5: A 460V, 25hp, 60Hz, 4-pole, Y-connected wound rotor induction rotor has the following impedances in ohms per-phase referred to the stator circuit: R1 = 0.641 R2 = 0.3320 X1 = 1.106 x2 = 0.4640 Xm = 26.30 2. Write a matlab code to calculate and plot the torque-speed characteristics of this motor with the R2=0.332 and with 2*R2, 3* R2, 4* R2 and 5*R2. Write your comments on the produce figure 3. Write a matlab code to calculate and plot the torque-speed characteristics of this motor with Phase voltage : V_ph = 460/V3,2V_ph and V_ph/2. Write your comments on the produce figure 4. Write a matlab code to calculate and plot the torque-speed characteristics of this motor with frequency f = 20 Hz, f= 40 Hz, f = 60 Hz, f= 80 Hz and f= 100 Hz. Write your comments on the produce figure. 5. Show the Matlab code, the output figure and write your comments on the result.
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