Patent ID: 6864661
Filing Date: 2005-03-08
Classification: H02K,H02M,H02P

Abstract:
1. An electrical rotating apparatus comprising: an inverter system that outputs a number of phases, wherein said number of phases is more than three, said inverter system comprising a number of half bridge inverters equal to said number of phases; a stator comprising a plurality of slots and full span concentrated windings, wherein said windings are electrically coupled to said inverter system, wherein half of said windings are driven and the other half of said windings are connected to a star point; a rotor electromagnetically coupled to a magnetic field generated by said stator; and whereby said driven windings are arranged in at least one set of an odd integer number of windings, wherein said odd integer number of windings is the largest odd integer that divides into said number of phases evenly and divides into 360 evenly.