A permanent magnet motor comprising: a rotor of a consequent-pole type including a rotor iron core and a plurality of permanent magnets provided in the rotor iron core; and a stator including a stator iron core and two sets of three-phase armature windings provided in a plurality of slots formed in the stator iron core, wherein one set of the armature windings is connected to a first inverter, the first inverter being configured to supply current to the one set of the armature windings, and the other set of the armature windings is connected to a second inverter, the second inverter being configured to supply current to the other set of the armature windings, in the case where a pole number of the rotor is M and a slot number of the stator iron core is Q, M and Q satisfy a relationship of M < Q and a greatest common divisor of M and Q is equal to or greater than 3, in the rotor, the rotor iron core is located on the stator side beyond a radius intermediate between the maximum outer radius (Rmax) and the minimum inner radius (Rmin)of the permanent magnets, and the first inverter and the second inverter being configured such that a phase difference between three-phase currents supplied from the first inverter and three-phase currents supplied from the second inverter is controlled to fall within a range of electrical angles of 20 to 40 degrees, wherein a M/2 number of the permanent magnets are arranged along the circumferential direction of the rotor, and are embedded in the rotor iron core, wherein slits (19a-19d) formed symmetrically with respect to a magnetic pole center of each salient pole (Sc), the salient pole (Sc) being provided between the permanent magnets, are provided in the rotor iron core, characterized in that the shape of the slits is such that the slits approach the magnetic pole center as approaching the outer circumferential side of the rotor, wherein more than two slits are provided on both sides of each magnetic pole center. a rotor of a consequent-pole type including a rotor iron core and a plurality of permanent magnets provided in the rotor iron core; and a stator including a stator iron core and two sets of three-phase armature windings provided in a plurality of slots formed in the stator iron core, wherein one set of the armature windings is connected to a first inverter, the first inverter being configured to supply current to the one set of the armature windings, and the other set of the armature windings is connected to a second inverter, the second inverter being configured to supply current to the other set of the armature windings, in the case where a pole number of the rotor is M and a slot number of the stator iron core is Q, M and Q satisfy a relationship of M < Q and a greatest common divisor of M and Q is equal to or greater than 3, in the rotor, the rotor iron core is located on the stator side beyond a radius intermediate between the maximum outer radius (Rmax) and the minimum inner radius (Rmin)of the permanent magnets, and the first inverter and the second inverter being configured such that a phase difference between three-phase currents supplied from the first inverter and three-phase currents supplied from the second inverter is controlled to fall within a range of electrical angles of 20 to 40 degrees, wherein a M/2 number of the permanent magnets are arranged along the circumferential direction of the rotor, and are embedded in the rotor iron core, wherein slits (19a-19d) formed symmetrically with respect to a magnetic pole center of each salient pole (Sc), the salient pole (Sc) being provided between the permanent magnets, are provided in the rotor iron core, characterized in that the shape of the slits is such that the slits approach the magnetic pole center as approaching the outer circumferential side of the rotor, wherein more than two slits are provided on both sides of each magnetic pole center.