Estimation of typical squirrel-cage induction motor parameters for dynamic performance simulation

Whenever the transient behaviour of a squirrel-cage induction motor is studied, double-cage model parameters are necessary. These parameters are usually hard to obtain. An estimation of typical double-cage induction parameters with regression-based equations that depend on mechanical power and line voltage is proposed. The starting current and torque, maximum torque, full-load slip and efficiency, calculated with the estimated typical parameters, are compared with the data of 608 low-voltage induction motors obtained from different manufacturers. The features of different power induction motors are well approximated with the proposed equations.