Parameters evaluation of ALA synchronous reluctance motor drives

A method to evaluate the parameters and to predict the performance characte ristics of Axially Laminated Anisotropic (ALA) rotor Synchronous Reluctance Motor (SynRM) drive systems is presented. The method is based on the use o f an iterative approach which indirectly couples a two dimensional (2D) non linear finite element (FE) model, which accounts for anisotropy, to a state space model describing the SynRM drive system. At the heart of this method is an inductance computation technique which is based on the use of a relu ctivity tensor. The results of applying this approach to a prototype ALA ro tor SynRM drive system are presented.