Magnetic circuit of a synchronous reluctance motor

This paper presents a model of the magnetic circuit for an axially laminate d synchronous reluctance motor. The basis of the modelling technique is the determination of a value for an equivalent "q-channel" reluctance. This re luctance contains all the effects of paths available to q-axis flux through the rotor body. Expressions for the distribution of airgap and other motor fluxes have been developed from basic analyses involving mmf and continuit y of flux. The foundations of all of these expressions are the physical par ameters of the motor. The equations developed have been applied to a 370 W motor and the results from models presented are compared with results obtai ned from a finite element analysis of the same motor where good agreement h as been achieved.