DEVICE FOR CHANGING THE ANGLE OF INCLINATION IN WIND TURBINES

    公开(公告)号:EP3163073A4

    公开(公告)日:2018-02-21

    申请号:EP14895994

    申请日:2014-06-27

    申请人: NABRAWIND SL

    摘要: The invention relates to a device for changing the angle of inclination (13) in wind turbines, which device is formed by a connection part (4) having a peripheral rolling ring (10) on which three support points (11), which support a bed (6) where the power train is supported, roll, thereby permitting the orientation of the yaw angle. At least one line of pistons (14) and their corresponding cylinders (15) are provided on each of the rolling support points (11), anchored to the bed (6) via a plate (16) for each group of actuators, thereby integrating the yaw and tilt actuation system. When the cylinder (15) pushes or retracts the piston (14) and the piston (14) extends or retracts the ringshaped connection part (4) (the fixed part), and the bed (6) that supports the power train (the mobile part) displacing a certain angle ±, the piston (14), which is articulated (17) in the lower end thereof, progressively inclines in proportion to the angle of inclination ±. The degree of inclination reached, for a leeward wind turbine, is based on the measurements of respective anemometers (5) established in the front portion of the nacelle (3).

    WIND TURBINE DRIVE TRAIN
    2.
    发明公开

    公开(公告)号:EP3115597A4

    公开(公告)日:2017-11-22

    申请号:EP14884326

    申请日:2014-03-04

    申请人: NABRAWIND SL

    摘要: Wind turbine drive train with a nacelle (3) as much compact as possible in a tower (2) with a big diameter which allows to embed the generator (6) inside and reduce the loads in the supports (10) of the rotation system and in the tower (2). The mainframe (5) of the nacelle (3) has a triangular shape based on structural frames or ribs, taking profit of the big reaction arm with the most compact solution. The generator (6) is integrated in this mainframe (5) and partially crosses the connection piece (4) of the tower (2). The rotation system is made by individual supports in a continuous raceway and the traction elements provokes the rotation of the nacelle (3) around the tower (2) without the need of the usual geared pinion - zip systems, using pneumatic wheels (20) which roll by the raceway made by the rotation ring (9) with inverted T shape with one or two circular sections on the top of its profile.

    CONNECTION BETWEEN LATTICE TOWER AND GONDOLA

    公开(公告)号:EP3115601A4

    公开(公告)日:2017-11-08

    申请号:EP14887717

    申请日:2014-03-04

    申请人: NABRAWIND SL

    IPC分类号: F03D13/20 E04H12/00 E04H12/10

    摘要: The invention relates to a system for connecting the lattice tower (2) and the gondola (3) of a wind turbine having a horizontal axis, consisting of a cylindrical ring piece (4) that has high flexural rigidity and enables direct transition between the gondola yaw system (3) and the vertical members of the lattice tower (2). The connecting piece (4) consists of two rings (13 and 14) joined together with outer vertical plates (12) and lower (16) and top (17) horizontal plates forming the faces (15 and 18) which internally have transverse (20), central (19) and auxiliary (21) ribs joined together and with the outer vertical plates (12) through cylindrical joints (24). The central ribs (19) form a large polygonal hole (22) at the center thereof depending on the number of legs that are part of the lattice tower (2). The connection of the part (4) to a straight tower having three columns (2) is an optimal solution, enabling: reduction of column tower loads by increasing torque arm, load reduction on the frame and Yaw for the same reason, load reduction on the tower due to the embedded generator in the annular gap, tower cost reduction by reducing the necessary elements and total weight and reducing transport costs due to the modularity of the solution.

    DEVICE FOR CHANGING THE ANGLE OF INCLINATION IN WIND TURBINES
    4.
    发明公开
    DEVICE FOR CHANGING THE ANGLE OF INCLINATION IN WIND TURBINES 审中-公开
    VORRICHTUNG ZUR NEIGUNGSWINKELVERSTELLUNG BEI WINDTURBINEN

    公开(公告)号:EP3163073A1

    公开(公告)日:2017-05-03

    申请号:EP14895994

    申请日:2014-06-27

    申请人: NABRAWIND SL

    IPC分类号: F03D7/02

    摘要: The invention relates to a device for changing the angle of inclination (13) in wind turbines, which device is formed by a connection part (4) having a peripheral rolling ring (10) on which three support points (11), which support a bed (6) where the power train is supported, roll, thereby permitting the orientation of the yaw angle. At least one line of pistons (14) and their corresponding cylinders (15) are provided on each of the rolling support points (11), anchored to the bed (6) via a plate (16) for each group of actuators, thereby integrating the yaw and tilt actuation system. When the cylinder (15) pushes or retracts the piston (14) and the piston (14) extends or retracts the ringshaped connection part (4) (the fixed part), and the bed (6) that supports the power train (the mobile part) displacing a certain angle ±, the piston (14), which is articulated (17) in the lower end thereof, progressively inclines in proportion to the angle of inclination ±. The degree of inclination reached, for a leeward wind turbine, is based on the measurements of respective anemometers (5) established in the front portion of the nacelle (3).

    摘要翻译: 用于改变风力涡轮机中的倾斜角度(13)的装置技术领域本发明涉及一种用于改变风力涡轮机中的倾斜角度(13)的装置,该装置由具有周边滚动环(10)的连接部分(4)形成,三个支撑点(11) 在动力传动系被支撑的床(6)上滚动,由此允许偏航角的定向。 在每个滚动支承点(11)上设置至少一条活塞(14)及其相应的滚筒(15),通过用于每组致动器的板(16)固定在床(6)上, 偏航和倾斜驱动系统。 当缸体15推动或缩回活塞14并且活塞14伸展或缩回环形连接部件4(固定部件)时,以及支撑动力传动系的床(6) 部分)移动一定角度±,在其下端铰接(17)的活塞(14)与倾角±成正比地逐渐倾斜。 对于背风式风力涡轮机,达到的倾斜度基于建立在机舱(3)的前部中的各个风速计(5)的测量结果。