A new design technique based on a suitable choice of rotor geometrical parameters to maximize torque and power factor in synchronous reluctance motors: Part I - Theory

The influence: of rotor geometry of synchronous reluctance motors (SRMs) on the x(d)/x(q) ratio, electromagnetic torque and iron losses is studied. Bo th air-gap length and rotor pole are are taken into account as parameters. First, a new theoretical approach is developed which neglects saturation ef fects (Part I). In a companion paper (Part II), a complete finite-element a nalysis of a particular SRM is carried out, followed by a comparison with r esults obtained by tests performed in a prototype machine, which was constr ucted in order to valid;lte the proposed methodology.