Abstract
This paper deals with a new approach to the parameters estimation of three-phase induction motors with least-squares techniques. The identification method is based on the steady-state electrical equations of induction motor and allows the use of linear identification algorithms. Measurements of the stator currents and voltages and rotor angular speed are required for the identification procedure based on a simple algorithm. The main feature of the proposed procedure is the possibility of estimating the rotor resistance, self-inductance of the rotor winding and the stator leakage inductance parameters without measuring the rotor flux magnitude. The estimated parameters are compared with similar available data obtained with a 3 kW induction motor to evaluate the consistence and performance of the proposed method.
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