Induction machine parameters identification using modified H-G diagram

This work presents a new approach of Park´s model parameters identification of the saturated induction machine based on the so called modified H-G diagram. The interest of this method is the simultaneous determination of the four significant parameters from the only loaded machine test for a given saturation state, without however having recourse to the conventional separated tests (locked, unloaded and dc tests). This manner of identifying the parameters makes it possible to take into account the realistic state of the machine operation and consequently the results accuracy become sufficiently improved. As it will be shown thereafter, an experimental validation attests the validity of the proposed identification approach.