Wireless transmission power within electric machine with AC and DC rotor coils

The stator defines a plurality of stator poles having associated stator windings. The rotor defines a plurality of fixed rotor poles having associated teeth, the associated teeth having a ferromagnetic material. The fixed rotor poles have associated rotor windings configured to be substantially energized by the stator. Each of the rotor windings is associated with a tooth. Each of the rotor windings includes an alternating current (AC) coil (or an auxiliary coil) configured to carry an AC current induced by an AC current flowing in the stator. A direct current (DC) coil (or primary coil) defines a rotor field excitable by a magnetic field generated by the stator winding to generate a relative force between the rotor and the stator. The DC coil is at least partially powered or controlled by the AC coil. 定子限定具有相关联的定子绕组的多个定子极。转子限定具有相关联的齿的多个固定转子极，相关联的齿具有铁磁性材料。固定转子极具有相关联的转子绕组，转子绕组被配置成基本上由定子通电。转子绕组中的每一个转子绕组与齿相关联。转子绕组中的每一个转子绕组包括交流(AC)线圈(或辅助线圈)，AC线圈被配置成用于承载由在定子中流动的AC电流感应的AC电流。直流(DC)线圈(或初级线圈)限定可由定子绕组产生的磁场激励的转子场，以在转子和定