CONCERNING THE PROBLEM OF NONLINEARITY PARAMETERS IDENTIFICATION IN ELECTROMECHANICAL SYSTEMS

Ul. Pervomayskaya, 20, Kremenchug, 39600, Ukraine. E-mail: darya_mosyundz@mail.ru Existing methods of estimation and parameter identification of electromechanical systems have been considered. It has been shown that the main disadvantage of the known methods is the inability to obtain a sufficient number of equations to determine the identity of the electromagnetic parameters of the systems, taking into account nonlineari-ties. A mathematical apparatus for determining the parameters of nonlinear electromechanical systems on the basis of the energy balance of instantaneous power for each harmonic has been proposed. The possibilities of the power method application have been shown taking the identification of nonlinear inductance parameters as an example. It has been shown that this approach based on the source and consumer power elements balance for each harmonic al-lows one to get the required number of equations to determine all parameters of electromechanical systems.