| 摘要 |
PURPOSE:To improve the efficiency by coupling a plate at part of a core formed by laminating a plurality of plates between poles, and forming a gap between the poles of the other plate, thereby reducing a shortcircuiting magnetic flux of the poles. CONSTITUTION:A main core 10 is formed by laminating steel plates, and a pair of poles 12, 12' are projected into a hole 11 to be inserted with a rotor. A pair of auxiliary windings 13, 13' are provided on a main core 10. Steel plates disposed at both ends of the core 10 of the steel plates for forming the core 10 are coupled between the poles 12 and 12', and a gap is formed between the poles 12 and 12' of the other steel plates. |
