| 摘要 |
Rotating electrical machine of the type comprising a stationary portion and a moving portion coaxial therewith, the stationary portion carrying a first and a second windings, while the moving portion has a third winding, characterized in that said third winding consists of a number of bar sets each of which comprises two interconnected bars, the said number of bar sets being either equal to the number of pole pairs of the stator winding having the largest pole pitch in the case of a one-phase rotor, or equal to three times said number of pole pairs in the case of a three-phase rotor. |
