Calculate and plot the torque-speed characteristics for a four-pole induction motor. The motor parameters are rs = 24.5 Ω, rr =23 Ω, Xs = 10 Ω, Xr = 40 Ω, and Xm = 25 Ω. The rated voltage is 110 V. The maximum frequency of the supplied phase voltages is fmax = 60 Hz. Assume the phase voltages are supplied with frequencies 20, 40 and 60 Hz.

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Calculate and plot the torque-speed characteristics for a four-pole induction motor. The
motor parameters are rs = 24.5 Ω, rr =23 Ω, Xs = 10 Ω, Xr = 40 Ω, and Xm = 25 Ω. The
rated voltage is 110 V. The maximum frequency of the supplied phase voltages is fmax =
60 Hz. Assume the phase voltages are supplied with frequencies 20, 40 and 60 Hz.

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