公开(公告)号：US09985483B2

公开(公告)日：2018-05-29

申请号：US15163364

申请日：2016-05-24

Applicant: ABB Technology AG

Inventor： Wen Ouyang ,  Varagur Ramanan

IPC: H02K1/06 ,  H02K1/14

CPC classification number: H02K1/146 ,  H02K3/12 ,  H02K7/1823 ,  H02K21/22 ,  H02K2213/03

Abstract: One embodiment is a unique Vernier machine comprising a rotor and a stator. The rotor comprises a back portion and a plurality of permanent magnets. The stator comprises a plurality of ferromagnetic arm structures, a plurality of ferromagnetic pole structures extending from each of the ferromagnetic arm structures in a direction toward the permanent magnets, and a plurality of conductive windings disposed about respective ones of the plurality of ferromagnetic arm structures. The ferromagnetic pole structures are structured to collect magnetic flux from the permanent magnets. The ferromagnetic pole structures of each of said ferromagnetic arm structures are spaced apart from one another according to a non-uniform pattern such that the ferromagnetic pole structures of a given ferromagnetic arm structure have substantially the same angular position relative to the permanent magnets radially opposite from the ferromagnetic pole structures of the given ferromagnetic arm structure.

公开(公告)号：US20170346352A1

公开(公告)日：2017-11-30

申请号：US15163364

申请日：2016-05-24

Applicant: ABB Technology AG

Inventor： Wen Ouyang ,  Varagur Ramanan

IPC: H02K1/14

CPC classification number: H02K1/146 ,  H02K3/12 ,  H02K7/1823 ,  H02K21/22 ,  H02K2213/03

Abstract: One embodiment is a unique Vernier machine comprising a rotor and a stator. The rotor comprises a back portion and a plurality of permanent magnets. The stator comprises a plurality of ferromagnetic arm structures, a plurality of ferromagnetic pole structures extending from each of the ferromagnetic arm structures in a direction toward the permanent magnets, and a plurality of conductive windings disposed about respective ones of the plurality of ferromagnetic arm structures. The ferromagnetic pole structures are structured to collect magnetic flux from the permanent magnets. The ferromagnetic pole structures of each of said ferromagnetic arm structures are spaced apart from one another according to a non-uniform pattern such that the ferromagnetic pole structures of a given ferromagnetic arm structure have substantially the same angular position relative to the permanent magnets radially opposite from the ferromagnetic pole structures of the given ferromagnetic arm structure.

公开(公告)号：US09813004B2

公开(公告)日：2017-11-07

申请号：US14598926

申请日：2015-01-16

Applicant: ABB Technology AG

Inventor： Ghanshyam Shrestha ,  Darren Tremelling ,  Waqas Arshad ,  Wen Ouyang ,  Jan Westerlund

IPC: H02P9/30 ,  H02K3/20 ,  H02K3/28 ,  H02K11/042 ,  H02K19/12

CPC classification number: H02P9/302 ,  H02K3/20 ,  H02K3/28 ,  H02K11/042 ,  H02K19/12

Abstract: A synchronous machine and related systems include a stator and rotor separated by an air gap. The rotor includes a rotating DC power supply coupled to exciter windings disposed adjacent the air gap. Power from air gap harmonics, including air gap slot harmonics induce current in the exciter windings, which is rectified and supplied to the rotor field windings. In operation, a desired current level in the rotor field windings can be achieved through control of the DC power supply or superposition of harmonics into the stator winding current which induces the prescribed current in exciter windings.

公开(公告)号：US20160211787A1

公开(公告)日：2016-07-21

申请号：US14598926

申请日：2015-01-16

Applicant: ABB Technology AG

Inventor： Ghanshyam Shrestha ,  Darren Tremelling ,  Waqas Arshad ,  Wen Ouyang ,  Jan Westerlund

IPC: H02P9/30 ,  H02K3/28 ,  H02K11/00

CPC classification number: H02P9/302 ,  H02K3/20 ,  H02K3/28 ,  H02K11/042 ,  H02K19/12

Abstract: A synchronous machine and related systems include a stator and rotor separated by an air gap. The rotor includes a rotating DC power supply coupled to exciter windings disposed adjacent the air gap. Power from air gap harmonics, including air gap slot harmonics induce current in the exciter windings, which is rectified and supplied to the rotor field windings. In operation, a desired current level in the rotor field windings can be achieved through control of the DC power supply or superposition of harmonics into the stator winding current which induces the prescribed current in exciter windings.

Abstract translation: 同步机和相关系统包括由气隙隔开的定子和转子。 转子包括耦合到邻近气隙设置的励磁机绕组的旋转直流电源。 来自气隙谐波的功率，包括气隙隙谐波，在励磁绕组中引起电流，其被整流并提供给转子励磁绕组。 在操作中，可以通过控制直流电源或将谐波叠加到定子绕组电流中来实现转子磁场绕组中所需的电流水平，该定子绕组电流在励磁绕组中引起规定的电流。