公开(公告)号：US20150311719A1

公开(公告)日：2015-10-29

申请号：US14661798

申请日：2015-03-18

Applicant: SIEMENS AKTIENGESELLSCHAFT

Inventor： BJÖRN ANDRESEN ,  JESPER ELLIOT PETERSEN ,  ARWYN THOMAS ,  ZHAN-YUAN WU ,  ZHEN PING XIA

IPC: H02J3/36 ,  F03D9/00 ,  H02P9/02

CPC classification number: H02J3/36 ,  F03D9/257 ,  H02J3/386 ,  H02P9/02 ,  H02P9/14 ,  H02P21/24 ,  H02P25/22 ,  Y02E10/725 ,  Y02E10/76

Abstract: A generator for producing electric power, the generator including a generator unit including a stator) and a rotatably supported rotor, wherein the stator includes a first set of windings and a second set of windings, and the rotor is adapted to induce electrical voltage in the first set of windings and in the second set of windings when the rotor is rotated relative to the stator, the generator further includes a first converter coupled to the first set of windings, the first converter being adapted to convert alternating voltage in the first set of windings into an output DC voltage, a DC output coupled to the first converter to receive the output DC voltage, and a second converter coupled to the second set of windings and to the DC output, the second converter being adapted to generate control voltages and/or control currents in the second set of windings, is provided.

Abstract translation: 一种用于产生电力的发电机，所述发电机包括包括定子的发电机单元）和可旋转地支撑的转子，其中所述定子包括第一组绕组和第二组绕组，并且所述转子适于在所述绕组中感应电压 当所述转子相对于所述定子旋转时，所述第一组绕组和所述第二组绕组，所述发电机还包括耦合到所述第一组绕组的第一转换器，所述第一转换器适于将所述第一组绕组中的交变电压 绕组成输出DC电压，耦合到第一转换器以接收输出DC电压的DC输出，以及耦合到第二组绕组和DC输出的第二转换器，第二转换器适于产生控制电压和/ 或第二组绕组中的控制电流。

公开(公告)号：US20150288170A1

公开(公告)日：2015-10-08

申请号：US14613390

申请日：2015-02-04

Applicant: SIEMENS AKTIENGESELLSCHAFT

Inventor： ARWYN THOMAS

IPC: H02H9/02 ,  H02H7/06 ,  H02K15/04 ,  H01F27/28 ,  H01F27/38 ,  F03D9/00 ,  H01F27/24

CPC classification number: H02H9/021 ,  F03D9/255 ,  H01F3/10 ,  H01F21/00 ,  H01F27/24 ,  H01F27/2823 ,  H01F27/2895 ,  H01F27/38 ,  H01F29/146 ,  H01F38/023 ,  H01F2003/103 ,  H02H7/06 ,  H02K15/0435 ,  H02P9/02 ,  Y10T29/49009

Abstract: A device for limiting a fault current for a generator, in particular of a wind turbine is provided. A first frame is made of a ferromagnetic material, wherein the first frame comprises a first frame section and a further first frame section, wherein a first gap is formed between the first frame section and the further first frame section. A first coil is wound around the first frame section, wherein the first coil is connectable to a first stator winding of a stator of the generator. A further first coil is wound around the further first frame section, wherein the further first coil is connectable to an electronic device. A first permanent magnet element is arranged inside the first gap. The first frame section and the further first frame section are formed with respect to each other such that an electromagnetic interaction between the first coil and the first permanent magnet element and the further first coil and the first permanent magnet element is provided.

Abstract translation: 提供了用于限制发电机，特别是风力涡轮机的发电机的故障电流的装置。 第一框架由铁磁材料制成，其中第一框架包括第一框架部分和另外的第一框架部分，其中在第一框架部分和另外的第一框架部分之间形成第一间隙。 第一线圈缠绕在第一框架部分周围，其中第一线圈可连接到发电机的定子的第一定子绕组。 另外的第一线圈围绕另外的第一框架部分缠绕，其中另外的第一线圈可连接到电子设备。 第一永久磁铁元件布置在第一间隙内。 所述第一框架部分和所述另外的第一框架部分相对于彼此形成，使得提供所述第一线圈和所述第一永久磁铁元件与所述另外的第一线圈和所述第一永久磁铁元件之间的电磁相互作用。

公开(公告)号：US20150372565A1

公开(公告)日：2015-12-24

申请号：US14681193

申请日：2015-04-08

Applicant: SIEMENS AKTIENGESELLSCHAFT

Inventor： GIOVANNI AIROLDI ,  ARWYN THOMAS

IPC: H02K9/04 ,  F03D9/00 ,  H02K9/02

CPC classification number: H02K9/04 ,  F03D9/25 ,  F03D80/60 ,  F03D80/80 ,  H02K1/20 ,  H02K3/24 ,  H02K7/1838 ,  Y02E10/725

Abstract: A cooling arrangement configured to cool stator windings of the stator of a generator, the cooling arrangement including an inflow guiding means for guiding a cooling airflow into axial winding channels, wherein an axial winding channel extends along a gap between adjacent stator windings in a direction essentially parallel to an axis of rotation of the generator, and subsequently into an interior cavity of the stator, and an outflow guiding means for removing the cooling airflow from the interior cavity of the stator is provided. A generator including an outer rotor and an inner stator, the stator including an arrangement of stator teeth about an annular supporting structure and a plurality of windings arranged pair-wise between adjacent stator teeth, and wherein the stator is configured for connection to a cooling arrangement is also provided. A wind turbine and a method is further provided.

Abstract translation: 冷却装置，其构造成冷却发电机的定子的定子绕组，所述冷却装置包括用于将冷却气流引导到轴向卷绕通道中的流入引导装置，其中轴向卷绕通道沿着相对的定子绕组之间的间隙沿基本上 平行于发电机的旋转轴线，随后进入定子的内腔，并且提供用于从定子的内腔去除冷却气流的流出引导装置。 一种包括外转子和内定子的发电机，所述定子包括围绕环形支撑结构的定子齿的布置和在相邻的定子齿之间成对布置的多个绕组，并且其中所述定子构造成用于连接到冷却装置 也提供。 还提供了一种风力涡轮机和方法。

公开(公告)号：US20150372566A1

公开(公告)日：2015-12-24

申请号：US14706192

申请日：2015-05-07

Applicant: SIEMENS AKTIENGESELLSCHAFT

Inventor： GIOVANNI AIROLDI ,  MADS PETER ZIPPOR LETH ANDERSEN ,  ERIK GROENDAHL ,  BO NEDERGAARD JACOBSEN ,  PETER HESSELLUND SOERENSEN ,  ARWYN THOMAS

IPC: H02K9/04 ,  F03D9/00 ,  H02K9/02

CPC classification number: H02K9/04 ,  F03D9/25 ,  F03D15/20 ,  F03D80/60 ,  F03D80/80 ,  H02K1/20 ,  H02K7/1838 ,  Y02E10/725

Abstract: A generator armature including a plurality of laminate sheets stacked to form an annular arrangement of armature teeth, whereby each pair of adjacent armature teeth is separated by an axial winding slot extending a direction essentially parallel to an axis of rotation of the generator; and a plurality of radial cooling channels, whereby a radial cooling channel is realized to transport a cooling medium and extends from an axial winding slot to an interior cavity of the generator, and wherein a radial cooling channel includes a series of aligned notches in the laminate sheets of a laminate stack is provided. A laminate sheet for an armature of a generator, a cooling arrangement, a generator, a wind turbine, and a method of cooling stator windings arranged on an armature of a generator is also provided.

Abstract translation: 一种发电机电枢，其包括堆叠形成电枢齿的环形布置的多个层叠片，由此每对相邻的电枢齿由基本上平行于发电机的旋转轴线的方向延伸的轴向卷绕槽分隔开; 以及多个径向冷却通道，由此实现径向冷却通道以输送冷却介质并从轴向卷绕槽延伸到发生器的内腔，并且其中径向冷却通道包括层叠体中的一系列对齐的凹口 提供层叠叠片的片材。 还提供了用于发电机的电枢的层叠片材，冷却装置，发电机，风力涡轮机以及设置在发电机的电枢上的定子绕组的冷却方法。

公开(公告)号：US20150084343A1

公开(公告)日：2015-03-26

申请号：US14489518

申请日：2014-09-18

Applicant: SIEMENS AKTIENGESELLSCHAFT

Inventor： EDOM LEMMA ,  ARWYN THOMAS

IPC: H02K11/00 ,  H02K7/18 ,  F03D9/00

CPC classification number: H02K11/0094 ,  F03D9/25 ,  F03D15/20 ,  F03D17/00 ,  F03D80/70 ,  H02K3/28 ,  H02K7/183 ,  H02K7/1838 ,  H02K11/20 ,  H02K2201/03 ,  H02P25/24 ,  Y02E10/725

Abstract: An electric generator arrangement with a stator being equipped with at least two opposed phase windings, each winding comprising at least two sub-windings in series is provided. The arrangement also comprises a controlled varistor across the connections of the sub-windings of said opposed phase windings. A current imbalance between two opposed phase windings is measured and the varistor is controlled in such a way that the resistance of the varistor is increased when the current imbalance increases.

Abstract translation: 一种具有定子的发电机装置，其具有至少两个相对的相绕组，每个绕组包括串联的至少两个子绕组。 该布置还包括跨过所述相对相绕组的子绕组的连接的受控压敏电阻。 测量两个相对相绕组之间的电流不平衡，并且以当电流不平衡增加时压敏电阻的电阻增加的方式控制压敏电阻。