| 摘要 |
PROBLEM TO BE SOLVED: To provide a rotary electric machine, wherein the required performance of (1) constant output characteristics, (2) acceleration/deceleration performance, and (3) high rigidity is satisfied by concentrating the magnetic path in the rotor on one part and utilizing the space in the rotor effectively, thereby increasing the diameter of the shaft and the diameter of the hollow.SOLUTION: In a reluctance motor, a coil 5 is wound around the stator 1 and a rotating magnetic field is generated by flowing a current to the coil 5. The rotor core 2 uses segment blocks made of grain oriented magnetic steel sheets which is twice the number of magnetic poles of the motor, and arranges one half of them alternately so that the grain oriented magnetic steel sheets are oriented to intersect perpendicularly before being fixed. In other words, the rotor core 2 is constituted of a combination of a rotor core part (a) 2a oriented in the radial direction of the rotor, and a rotor core part (b) 2b oriented perpendicular thereto. According to such an arrangement, the inductance in the d-axis direction and the inductance in the q-axis direction satisfy the relation of Ld>Lq, and the salient pole ratio (Ld/Lq) is increased. |
