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    • 3. 发明申请
    • WIND TURBINE GENERATOR WITH MOVABLE STATOR SUBUNITS
    • 具有可移动定子子的风力涡轮发电机
    • US20130285501A1
    • 2013-10-31
    • US13978318
    • 2011-01-05
    • Michael StaghojGerner LarsenNiels Christian OlsenFrank Møller Hansen
    • Michael StaghojGerner LarsenNiels Christian OlsenFrank Møller Hansen
    • H02K1/18
    • H02K1/18F16C32/0614F16C32/0685F16C2360/31F16C2380/26H02K1/148H02K1/182H02K7/08H02K7/1869H02K15/0006H02K16/04H02K21/026H02K21/24H02K2201/03H02K2213/12
    • A generator (5) for a wind turbine (1) is disclosed. The generator (5) comprises a rotor (3) configured to rotate about a rotational axis, and at least one stator (4) arranged next to the rotor (3). Each stator (4) comprises at least two subunits (8), the subunits (8) being arranged side-by-side along a moving direction of the rotor (3). Each subunit (8) comprises at least one flux-generating module (9) facing the rotor (3) but spaced therefrom, thereby defining an air gap between the rotor (3) and each flux-generating module (9). The subunits (8) are movable relative to each other along a direction which is substantially transverse to the moving direction of the rotor (3). This allows a subunit (8) to move in a manner which adjusts the air gap without affecting the position and the air gap of a neighbouring subunit (8). Thereby variations in the rotor (3) can be compensated and a uniform and constant air gap can be maintained. The invention further provides a wind turbine (1) comprising such a generator (5) and a method for performing service on a generator (5).
    • 公开了一种用于风力涡轮机(1)的发电机(5)。 发电机(5)包括构造成围绕旋转轴线旋转的转子(3)和邻近转子(3)设置的至少一个定子(4)。 每个定子(4)包括至少两个子单元(8),所述子单元(8)沿着转子(3)的移动方向并排布置。 每个子单元(8)包括面向转子(3)但与其间隔开的至少一个通量产生模块(9),由此在转子(3)和每个通量产生模块(9)之间限定气隙。 子单元(8)可以沿着基本上横向于转子(3)的移动方向的方向相对于彼此移动。 这允许子单元(8)以调节气隙的方式移动,而不影响相邻子单元(8)的位置和气隙。 由此可以补偿转子(3)的变化,并且可以保持均匀且恒定的气隙。 本发明还提供一种包括这种发电机(5)的风力涡轮机(1)和用于在发电机(5)上执行维修的方法。
    • 4. 发明申请
    • WIND TURBINE HAVING POWER ELECTRONICS IN THE NACELLE
    • 风力发电机的风力涡轮机
    • US20110309629A1
    • 2011-12-22
    • US13146777
    • 2009-12-22
    • Gerner LarsenThomas Hjort
    • Gerner LarsenThomas Hjort
    • F03D11/04
    • F03D11/0058F03D80/82F05B2240/14F05B2250/30Y02E10/722Y02E10/726
    • A wind turbine comprising a nacelle (1) is disclosed. The nacelle (1) accommodates at least a generator (3) and power electronics electrically interconnected between the generator (3) and a power grid. At least one power electronic component (10, 11, 12) is removably arranged in the nacelle (1) in a region positioned between a floor level of the nacelle (1) and a lower limiting surface, e.g. a bottom wall, of the nacelle (1). The space available in the interior parts of the nacelle (1) is thereby utilised to a greater extent than in prior art wind turbines, and replacement of a power electronic component (10, 11, 12) can be performed using ordinary lifting equipment. Furthermore, the risk of injury to maintenance personnel is reduced.
    • 公开了一种包括机舱(1)的风力涡轮机。 机舱(1)容纳至少一个发电机(3)和在发电机(3)和电网之间电气互连的电力电子设备。 至少一个功率电子部件(10,11,12)可移除地布置在机舱(1)中的位于机舱(1)的底板水平面和下限位表面之间的区域中。 机舱(1)的底壁。 因此,在机舱(1)的内部部分中可用的空间比现有技术的风力涡轮机更大程度地被利用,并且可以使用普通的起重设备来执行电力电子部件(10,11,12)的更换。 此外,维护人员的伤害风险也会降低。
    • 6. 发明申请
    • WIND TURBINE GENERATOR WITH FLUID FILM BEARING UNITS
    • 风力发电机与流体轴承单元
    • US20130277986A1
    • 2013-10-24
    • US13978312
    • 2011-01-05
    • Michael StaghøjGerner LarsenNiels Christian OlsenFrank Møller HansenJörg Wadehn
    • Michael StaghøjGerner LarsenNiels Christian OlsenFrank Møller HansenJörg Wadehn
    • H02K7/18H02K21/02
    • H02K7/183F03D9/25F03D15/20F03D80/70F05B2220/7066F05B2240/53F16C32/0603F16C32/0622F16C2360/31H02K21/02Y02E10/722Y02E10/725
    • A generator (5) for a wind turbine (1) is disclosed. The generator (5) comprises a rotor (3) configured to rotate about a rotational axis, and at least one stator (4) arranged next to the rotor (3). Each stator (4) comprises at least one flux-generating module (9) facing the rotor (3) but spaced therefrom, thereby forming an air gap between the rotor (3) and each flux-generating module (9). Each stator (4) also comprises at least one bearing unit (12), each bearing unit (12) comprising a body (16) defining a cavity (14) with an open end facing the rotor (3). The generator (5) further comprises a source of pressurized fluid communicating with each bearing unit (12), and the body (16) of each bearing unit (12) directs the fluid towards the rotor (3) to help maintain the air gap between the rotor (3) and each flux-generating module (9). Thereby the air gap between the rotor (3) and the flux-generating modules (9) is controlled by means of the fluid bearing units (12). The invention further provides a wind turbine (1) comprising such a generator (5).
    • 公开了一种用于风力涡轮机(1)的发电机(5)。 发电机(5)包括构造成围绕旋转轴线旋转的转子(3)和邻近转子(3)设置的至少一个定子(4)。 每个定子(4)包括面向转子(3)但与其分开的至少一个通量产生模块(9),从而在转子(3)和每个通量产生模块(9)之间形成气隙。 每个定子(4)还包括至少一个轴承单元(12),每个轴承单元(12)包括限定具有面向转子(3)的开口端的空腔(14)的主体(16)。 发生器(5)还包括与每个轴承单元(12)连通的加压流体源,并且每个轴承单元(12)的主体(16)将流体引向转子(3)以帮助维持 转子(3)和每个通量产生模块(9)。 由此,通过流体轴承单元(12)来控制转子(3)和通量产生模块(9)之间的空气间隙。 本发明还提供一种包括这种发电机(5)的风力涡轮机(1)。