COMPARATIVE ANALYSIS OF FIVE PHASE SYNCHRONOUS RELUCTANCE MOTOR AND PERMANENT MAGNET-ASSISTED SYNCHRONOUS RELUCTANCE MOTOR

Abstract

The models of five-phase various permanent magnet-assisted synchronous machines and the non-permanent assisted synchronous motor are presented.The machines are modelled for directly online starting usingACEBD winding arrangement. The models are modelled with a permanent assist of sixteen rectangular-shaped magnet placed in the flux barriers. The various materials of alnico, Strontiumferrite, samarium cobalt NdFe35 and graphite, were compared to the performance characteristics of a non-assisted Synchronous Reluctance motor, ANSYS Finite Element software was used for the analysis and implementation of the model Te machine performance characteristics of the vector potential, inductancies, flux linkageand current were considered. The machine speed performancecharacteristics of the graphite-assisted models shows similar characteristics as the strontiumferrite model especially on loading and at loss of synchronism. The graphite-assisted model records the highest flux linkage, a value of 0.760029wb, while the least value of 0.752943wb is recorded by the NdFe35 magnet-assisted model. Even with the recorded difference between the models, these are significant at the second place of decimal, recordinga 0.9323% between the lowest recorded values and the highest recorded value. These recorded characteristics of the graphite-assisted model have invited further investigations as an improved model of material-assisted synchronous reluctance machine.