**Torque Speed Characteristic** is the curve plotted between the torque and the speed of the induction motor. We have already discussed the torque of the induction motor in the topic Torque Equation of an Induction motor. The equation of the torque is given as shown below:

At the maximum torque, the speed of the rotor is expressed by the equation shown below:

The curve below shows the **Torque Speed Characteristic:**

The maximum torque is independent of the rotor resistance. But the exact location of the maximum torque **Ʈ _{max }**is dependent on it. The greater, the value of the R

_{2}, the greater is the value of the slip at which maximum torque occurs. As the rotor resistance increases, the pullout speed of the motor decreases. In this condition, the maximum torque remains constant.

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