| 摘要 |
PURPOSE:To obtain a good sine-wavelike output voltage by diviating a pole center angle of a stator by 180 deg. or less of electrical angle in the rotating direction with a gap between pawls facing each other on one side of the stator larger than that between pawls facing each other on the other side thereof. CONSTITUTION:A stator core 4 is wound concentratedly with an armature winding 3 on one side thereof while four pawls A-D are separately projected to form a chamber for housing a rotor core 5 at a point adjacent to the armature winding 3. The rotor core 5 is wound concentratedly with a field winding 6 while pawls E-H are formed projecting on the field winding 6 section. The stator core 4 and the rotor core 5 are so constructed that the magnetic flux is distributed over the entire area by properly changing the magnetic resistance against the magnetomotive force of the field winding 6 due to interaction between the pawls A-H according to the rotation of the field core 5. In addition, the pole angle alpha2 of the rotor core 4 is so diviated in the rotating direction of the rotor as to be 180 deg.C or less in terms of the electrical angle. |
