Magnetic analysis of flux barriers Synchronous Reluctance Motors

Aim of the paper is to propose an analytical procedure that can be employed during the sizing of the synchronous reluctance motor with ldquoflux barriersrdquo rotor for motor performance prediction and could represent an alternative to the Finite Element approach. The procedure allows to evaluate the total MMF along direct d and quadrature q axes; the d-q magnetic circuits have been divided in several paths and the magnetic analysis has been carried out calculating partial MMFs separately for each path using specific equations with suitable coefficients derived from curves proposed by the authors. The procedure could be easily integrated with a design optimization technique for fast and efficacious fulfillment of motor specifications.