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Analysis of the effects of parameter variations on the start-up characteristics of LSPMSM

Based on the numerical solution, this paper describes the analysis of the impact of rotor anisotropy and moment of inertia on the synchronization capability of Line Starting Permanent Magnet Synchronous Machines (LSPMSM). Coming from an induction motor the studies reveal an effect that is not known from the theory of the induction motors. In addition to start-up, synchronization is a key development aspect. This paper examines the synchronization process and reveals its constraints. It also shows the influence of the so-called “Goerges”-phenomenon on speed and torque during start-up. The aim of the work is to improve the knowledge and prediction of the characteristics and properties of this type of machine.