公开(公告)号：US20200003187A1

公开(公告)日：2020-01-02

申请号：US16337772

申请日：2017-09-15

Applicant: SIEMENS AKTIENGESELLSCHAFT

Inventor： PETER HESSELLUND SOERENSEN

IPC: F03D80/60 ,  H02K5/20 ,  H02K7/18 ,  H02K9/18 ,  H02K9/26

Abstract: Cooling a wind turbine generator It is described an arrangement (100, 200) for cooling a generator mounted in a nacelle of a wind turbine, the arrangement comprising: a cooling air inlet (105) at an outer wall (1β7) of the nacelle (103) for introducing cooling air (109) into a space region (111) inside the nacelle; an inlet fan (113) downstream the cooling air inlet (105) configured to pressurize the introduced cooling air within the space region (111); a filter system (115) downstream the inlet fan (113) and separating the space region (111) from another space region (117) inside the nacelle (103), the other space (117) region being in communication with generator portions (119) to be cooled; a duct system (129) adapted to guide a portion (130) of cooling air (132) heated by exchange of heat from the generator portions to the cooling air into the space region (111).

公开(公告)号：US20160233742A1

公开(公告)日：2016-08-11

申请号：US15011704

申请日：2016-02-01

Applicant: SIEMENS AKTIENGESELLSCHAFT

Inventor： GIOVANNI AIROLDI ,  PETER HESSELLUND SOERENSEN

IPC: H02K9/04 ,  F03D9/00 ,  H02K9/22 ,  H02K3/24

CPC classification number: H02K9/04 ,  F03D9/25 ,  F03D80/60 ,  H02K3/24 ,  H02K7/1838 ,  H02K9/08 ,  H02K9/22 ,  Y02E10/725

Abstract: A cooling arrangement realized to cool stator windings of a stator enclosed in a generator housing, the cooling arrangement includes a fan arrangement configured to direct a gaseous cooling medium) into a cavity, the cavity is defined by a stator end face and the generator housing; an arrangement of bypass openings in a stator end face, wherein a bypass opening provides a path into an interior of the stator; and a manifold arranged to extend over the bypass openings and at least partially over a winding overhang of the stator windings and configured to guide a cooling flow through the winding overhang into the stator interior is provided. A direct-drive wind turbine, a method of cooling stator windings of a stator, and a method of retrofitting a wind turbine is further provided.

Abstract translation: 冷却装置被实现为冷却封闭在发电机壳体中的定子的定子绕组，该冷却装置包括构造成将气态冷却介质引导到空腔中的风扇装置，空腔由定子端面和发电机壳体限定; 在定子端面中布置旁路开口，其中旁路开口提供到定子内部的路径; 以及歧管，其设置成在所述旁路开口上延伸并且至少部分地超过所述定子绕组的绕组悬伸并且被配置为引导通过所述绕组突出部的冷却流进入所述定子内部。 还提供了一种直接驱动风力涡轮机，一种定子定子绕组的冷却方法和一种改装风力涡轮机的方法。

公开(公告)号：US20140346781A1

公开(公告)日：2014-11-27

申请号：US14253893

申请日：2014-04-16

Applicant: SIEMENS AKTIENGESELLSCHAFT

Inventor： GIOVANNI AIROLDI ,  UFFE ERIKSEN ,  SOEREN GUNDTOFT ,  CLAUS MICHAELSEN ,  THORKIL MUNK-HANSEN ,  PETER HESSELLUND SOERENSEN ,  CLAUS THYGESEN ,  XAVIER TOURDE

IPC: H02K9/04 ,  F03D9/00

CPC classification number: F03D80/60 ,  F03D1/00 ,  F03D9/25 ,  F03D15/20 ,  F03D80/00 ,  F05B2260/20 ,  F05B2260/64 ,  H02K7/18 ,  H02K7/1838 ,  H02K9/04 ,  Y02E10/725 ,  Y02T50/675

Abstract: An airflow control arrangement for a direct-drive wind-turbine with a generator comprising a rotor and a stator, which airflow control arrangement comprises an outflow fan arranged to draw an exit airflow through an exit duct, which exit duct extends from an interior cavity of the stator to the exterior of the wind turbine. The invention further describes a direct-drive wind turbine comprising such an airflow control arrangement. The invention further describes a method of controlling an airflow in a direct-drive wind-turbine with a generator comprising a rotor and a stator is provided.

Abstract translation: 一种用于具有发电机的直接驱动风力涡轮机的气流控制装置，其包括转子和定子，所述气流控制装置包括排出风扇，所述流出风扇布置成将出口气流抽出通过出口管道，该出口管道从出口管道的内部空腔 定子到风力涡轮机的外部。 本发明还描述了一种包括这种气流控制装置的直接驱动风力涡轮机。 本发明还描述了一种控制直接驱动风力涡轮机中的气流的方法，其中提供了包括转子和定子的发电机。

公开(公告)号：US20170074251A1

公开(公告)日：2017-03-16

申请号：US15237670

申请日：2016-08-16

Applicant: SIEMENS AKTIENGESELLSCHAFT

Inventor： GIOVANNI AIROLDI ,  KIM GRANLY HANSEN ,  PETER HESSELLUND SOERENSEN

IPC: F03D80/60 ,  F03D80/80 ,  F03D9/00 ,  F03D9/25 ,  F03D1/06 ,  F03D7/02

Abstract: A wind turbine including a generator with a stator and a rotor, a cooling arrangement, a wind turbine brake including a brake disk and a caliper with brake pads is provided. An air duct with a filter is located near the brake pads of the caliper. During the operation of the cooling arrangement, a part of the air flow is guided via the brake pads. The brake dust produced by the brake pads during operation of the brake will be reduced by the filter of the air duct.

Abstract translation: 一种风力发电机，包括具有定子和转子的发电机，冷却装置，包括制动盘的制动盘和具有刹车片的卡钳的风力发电机制动器。 具有过滤器的风道位于卡钳的制动垫附近。 在冷却装置的操作期间，空气流的一部分经由制动片引导。 制动器操作过程中刹车片产生的制动粉尘将会被风道的过滤器所减少。

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。