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    • 2. 发明申请
    • Axial Fan With Additional Flow Channel
    • 具有附加流动通道的轴流风扇
    • US20130022479A1
    • 2013-01-24
    • US13545476
    • 2012-07-10
    • Oliver HaafChristian HaagSven Walter
    • Oliver HaafChristian HaagSven Walter
    • F04D29/58F04D3/00
    • F04D25/082F04D25/06F04D29/5813F04D29/584H02K5/20H02K9/06
    • An axial fan, having an inner electric motor and a fan wheel connected to the electric motor so as to rotate with it and has a plurality of wheel blades defining a blade length and extend outwardly from the electric motor. A fan housing surrounds the fan wheel. The fan housing is connected to the motor via holding struts which extend to the outside from the motor to the fan housing. A motor housing is provided on the motor behind the fan wheel and accommodates a motor electronics system. A flow duct having an inflow opening and an outflow opening is fastened to the motor behind the fan wheel such that the inflow opening is arranged offset to the outside with respect to the outflow opening. The outflow opening is oriented in such a way that an air flow which exits the outlet opening is guided onto the motor housing.
    • 一种轴流风扇,具有内电动机和风扇轮,风扇轮连接到电动机以便与其一起旋转,并具有限定叶片长度并从电动机向外延伸的多个轮叶。 风扇外壳围绕风扇轮。 风扇壳体通过从电机向风扇壳体延伸到外部的保持支柱连接到电动机。 电动机壳体设置在风扇轮后面的电动机上,并容纳电动机电子系统。 具有流入开口和流出开口的流动管道紧固到风扇叶轮后面的马达,使得流入开口相对于流出开口偏移到外部。 流出口被定向成使得离开出口的空气流被引导到马达壳体上。
    • 9. 发明申请
    • METHOD AND APPARATUS FOR CONTROL OF ASYMMETRIC LOADING OF A WIND TURBINE
    • 用于控制风力涡轮机不对称加载的方法和装置
    • US20120027589A1
    • 2012-02-02
    • US13116443
    • 2011-05-26
    • Christian HaagUlf AxelssonMikael BjõrkChristoph SchultenGert Torbohm
    • Christian HaagUlf AxelssonMikael BjõrkChristoph SchultenGert Torbohm
    • F03D7/04
    • F03D7/0204F03D7/0224F03D7/043F03D13/35Y02E10/723
    • A wind turbine (10) is provided. The wind turbine includes a rotor (18), at least one rotor blade (22) coupled to the rotor, and a yaw system (92). The yaw system (92) includes at least one yaw motor (94) for adjusting a yaw angle of the wind turbine (10). The yaw system (92) is configured for generating a yaw drive signal corresponding to at least one of: i) a property from the at least one yaw motor (94); or ii) a control signal for operating the at least one yaw motor. The wind turbine (10) further includes an asymmetric load control assembly (100) configured to receive the yaw drive signal. The asymmetric load control assembly (100) is further configured to mitigate an asymmetric load acting on the rotor (18) using the yaw drive signal. A control system for operating a wind turbine (10) and a method thereof are also provided.
    • 提供一种风力涡轮机(10)。 风力涡轮机包括转子(18),耦合到转子的至少一个转子叶片(22)和偏航系统(92)。 偏航系统(92)包括用于调节风力涡轮机(10)的偏航角的至少一个偏航马达(94)。 偏航系统(92)被配置为产生对应于以下至少一个的偏航驱动信号:i)来自至少一个偏航马达(94)的特性; 或ii)用于操作所述至少一个偏航马达的控制信号。 风力涡轮机(10)还包括被配置为接收偏航驱动信号的非对称负载控制组件(100)。 不对称负载控制组件(100)还被配置为使用偏航驱动信号减轻作用在转子(18)上的不对称负载。 还提供了一种用于操作风力涡轮机(10)的控制系统及其方法。
    • 10. 发明申请
    • YAW SYSTEM FOR A WINDMILL
    • YAW系统为WINDMILL
    • US20110311359A1
    • 2011-12-22
    • US13254172
    • 2010-03-05
    • Mikael BjorkAnders WickstromChristian Haag
    • Mikael BjorkAnders WickstromChristian Haag
    • F03D7/02
    • F03D7/0204F05B2260/903F05B2270/329F05B2270/602Y02E10/723
    • The present invention relates to a yaw system 5 for a windmill 1, the windmill comprising a tower 2 and a nacelle 3, the tower and the nacelle being joined by the yaw system and the yaw system further comprising a bearing fixed to the tower, on which bearing the nacelle rests and slides in a yawing movement, and at least one yaw motor arranged to allow the nacelle to perform a rotary motion along the bearing, wherein the yaw system 5 further comprises control means 8 for continuously operating the at least one yaw motor in such a way that the yaw motor strives to manoeuvre the nacelle according to a setpoint. The invention also relates to a method for controlling the yaw of a windmill 1, comprising the steps of determining a set point for the windmill 1, calculating a yaw error based on the set point and a current alignment of the windmill, determining a size and direction of a torque based at least on the yaw error, and applying the torque to at least one yaw motor of a yaw system for turning the turbine, whereby the method also comprises the step of continuously calculating the yaw error and applying the torque in order to strive towards the setpoint.
    • 本发明涉及一种用于风车1的偏航系统5,风车包括塔架2和机舱3,塔架和机舱由偏航系统连接,偏航系统还包括固定在塔架上的轴承, 其中所述机舱支撑并且在偏航运动中滑动,并且至少一个偏航马达被布置成允许所述机舱沿着所述轴承执行旋转运动,其中所述偏航系统5还包括用于连续运行所述至少一个偏航的控制装置8 电动机以使得偏航电动机根据设定点努力操纵机舱。 本发明还涉及一种用于控制风车1的偏航的方法,包括以下步骤:确定风车1的设定点,基于设定点和风车的当前对准计算偏航误差,确定风车的大小和 至少基于偏航误差的扭矩的方向,以及将扭矩施加到用于转动涡轮机的偏航系统的至少一个偏航马达,由此该方法还包括连续计算偏航误差并按顺序施加扭矩的步骤 努力达到设定值。