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    • 9. 发明授权
    • Horizontal axis wind turbine
    • 水平轴风力发电机
    • US08360724B2
    • 2013-01-29
    • US12132907
    • 2008-06-04
    • Shigeo Yoshida
    • Shigeo Yoshida
    • F03D7/02F03D1/00
    • F03D7/042F03D7/0204F03D7/0224F03D7/0268F05B2270/32F05B2270/329Y02E10/723
    • To provide a horizontal axis wind turbine capable of reducing flutter, and by extension, reducing the load on the wind turbine, without controlling the yaw, regardless of the direction of the wind relative to the nacelle. When the wind speed is above a specific value, the yaw angle of the nacelle is held constant, the blade pitch angle is controlled according to the yaw angle Y of the wind direction relative to the nacelle, and the rotor is allowed to rotate freely. Even when the yaw angle of the nacelle is held constant, allowing the rotor to rotate freely makes it possible to reduce the load by avoiding flutter.
    • 为了提供一种水平轴风力涡轮机,能够减少振动,并且通过延伸减小风力涡轮机上的负载,而不用控制偏航,而不管风向相对于机舱的方向如何。 当风速高于特定值时,机舱的偏航角度保持恒定,根据相对于机舱的风向的偏航角Y来控制叶片桨距角,并允许转子自由旋转。 即使当机舱的偏航角保持恒定时,允许转子自由旋转可以通过避免颤动来减小负载。