Polyphase electronically commutated reluctance motor

Abstract From the Canadian patent

A motor structure and energization scheme provides a high efficiency electronically commutated reluctance motor that is characterized by less iron losses than conventional switched reluctance motors. Preferably the motor operates without the reversal of the flow of flux in the member of the motor supporting the motor windings (e.g. the stator). Also the flux, switching frequency in the first member is reduced and preferably minimized. By eliminating flux reversals and minimizing the flux switching frequency the, electronically commutated reluctance motor is operable over a wide range of speeds with improved efficiency. Structurally, first and second members of the motor are mounted for …