Identification of parameters of three-phase asynchronous motor when changing the initial values of the estimates in a wide range

Abstract

The expediency and effectiveness of the continuous gradient method of search of a minimum of function for identifying the parameters of three phase asynchronous motor and its load is shown using computer modeling and research. It is established that the proposed method provides high accuracy of determining the parameters, robustness and good convergence when changing the initial values of the parameter estimates in a wide range. Of particular significance is the fact that identification is carried out even at zero initial values of the parameter estimates.

Keywords

• identification of parameters
• asynchronous three-phase motor
• generalised electric machine
• gradient a method of search of a minimum of function