짝수 슬롯 분포를 가진 고정자를 가진 전기 기계

1. A multi-phase electric machine comprising: a stator operably coupled with a rotor wherein the rotor is rotatable relative to the stator;the stator including a stator core defining a central opening and a plurality of axially extending slots which circumscribe the central opening;a plurality of windings mounted on the stator core wherein the plurality of windings define a plurality of phases and wherein, for each phase, the plurality of windings include:at least two parallel windings, each winding comprising a pair of continuous wires which are connected in series; wherein, for each pole, the parallel windings are disposed in one or more central slots and two outer slots disposed on opposite sides of the central slots; each winding disposed in each of the central slots an equal number of times and disposed in each of the outer slots an equal number of times and wherein each winding is disposed in each central slot twice the number of times that the winding is disposed in each outer slot to thereby define a slot fill ratio of 2:1 between central slots and outer slots and wherein each wire of the wire pair forming one of the parallel windings are disposed in the slots in a ratio that differs from the slot fill ratio;wherein, for each pole for at least one winding, a first one of the outer slots is disposed on one of the clockwise or counterclockwise sides of the central slots and a second one of the outer slots is disposed on the opposite side of the central slots and wherein one of the pair of continuous wires connected in series to form the at least one winding has a first wire and a second wire with the first wire being the only one of the first and second wires that is disposed in the first one of the outer slots; andwherein the second wire is the only one of the first and second wires that is disposed in the second one of the outer slots.