Unlike ordinary three-phase machines, there are four layers winding in each stator slot of the 3/12-phase machine and the total air gap magnetometive force pro.

• 交直流混合供电的三/十二相电机因其显著的优点将被广泛应用于独立供电系统中,该电机定子上有两套绕组,一套三相绕组提供交流电,另一套十二相绕组整流后提供直流电。