A permanent magnet type rotary electric machine, comprising: - a rotor (3, 4) including a rotor core and a plurality of permanent magnets; - a plurality of separate, closed conducting circuits (6, 8) equal to the plurality of permanent magnets, wherein each permanent magnet has its own conducting circuit, each conducting circuit (6, 8) including: - two first electric conductors extending in the axial direction of the rotor (3, 4) and being disposed between at least two neighboring permanent magnets in a circumferential direction of the rotor wherein the first electric conductors are disposed on each circumferential-direction-side of each permanent magnet; and - a second electric conductor for connecting the first electric conductors of that permanent magnet electrically, - the plurality of conducting circuits (6, 8) being disposed at a plurality of positions in the circumferential direction of the rotor (3, 4); and - a stator (1, 2) disposed so as to be opposed to the rotor (3, 4), the stator including a stator core and an armature winding, - the permanent magnet type rotary electric machine being adapted to detect a rotation angle by measuring a current flowing in the armature winding, - wherein the stator core is formed so as to have a shape in which, when a slot pitch ps is defined by ρ ⁢ s = 2 × π × Rs / Ns, - wherein an inner radius of the stator is represented by Rs and a number of slots is represented by Ns, - a value Wsn obtained by dividing a slot opening width Ws by the slot pitch ps (i.e., Wsn = Ws/ps) satisfies the following equation: 0.08 ≤ Wsn and/or - wherein the stator core is formed so as to have a shape in which a value Wtn obtained by dividing a teeth width Wt by the slot pitch ps (i.e., Wtn = Wt/ps) satisfies the following equation: 0.67 ≤ Wtn ≤ 0.92. - a rotor (3, 4) including a rotor core and a plurality of permanent magnets; - a plurality of separate, closed conducting circuits (6, 8) equal to the plurality of permanent magnets, wherein each permanent magnet has its own conducting circuit, each conducting circuit (6, 8) including: - two first electric conductors extending in the axial direction of the rotor (3, 4) and being disposed between at least two neighboring permanent magnets in a circumferential direction of the rotor wherein the first electric conductors are disposed on each circumferential-direction-side of each permanent magnet; and - a second electric conductor for connecting the first electric conductors of that permanent magnet electrically, - the plurality of conducting circuits (6, 8) being disposed at a plurality of positions in the circumferential direction of the rotor (3, 4); and - a stator (1, 2) disposed so as to be opposed to the rotor (3, 4), the stator including a stator core and an armature winding, - the permanent magnet type rotary electric machine being adapted to detect a rotation angle by measuring a current flowing in the armature winding, - wherein the stator core is formed so as to have a shape in which, when a slot pitch ps is defined by ρ ⁢ s = 2 × π × Rs / Ns, - wherein an inner radius of the stator is represented by Rs and a number of slots is represented by Ns, - a value Wsn obtained by dividing a slot opening width Ws by the slot pitch ps (i.e., Wsn = Ws/ps) satisfies the following equation: 0.08 ≤ Wsn - wherein the stator core is formed so as to have a shape in which a value Wtn obtained by dividing a teeth width Wt by the slot pitch ps (i.e., Wtn = Wt/ps) satisfies the following equation: 0.67 ≤ Wtn ≤ 0.92.