Analytical approach to determine speed-torque curve of induction motor from manufacturer data

Induction motors are widely used every production process today. Their torque-speed characteristics are the most important properties. This paper describes a simple and efficient analytical technique to determine speed-torque performance curve of induction motor from manufacturer data. The obtained speed-torque curve is verified against that derived from the conventional equivalent model where the motor's parameters are already known. A good agreement between the obtained speed-torque curves is clearly observed. The motor's performance torque curves derived with an aid of the analytical formula from the manufacturer catalog are also presented. (C) 2016 The Authors. Published by Elsevier B.V.