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    • 3. 发明申请
    • WIND TURBINE GENERATOR SYSTEM AND LIGHTNING PROTECTION DEVICE THEREOF
    • 风力涡轮发电机系统及其雷击保护装置
    • WO2013091380A1
    • 2013-06-27
    • PCT/CN2012/079189
    • 2012-07-26
    • XINJIANG GOLDWIND SCIENCE & TECHNOLOGY CO., LTD.VENSYS ENERGY AGHUANG, JinpengHINZ, UweLI, QiangGE, JunhaoYANG, Wei
    • HUANG, JinpengHINZ, UweLI, QiangGE, JunhaoYANG, Wei
    • F03D11/00H02G13/00
    • F03D80/30H02G13/80Y02E10/72
    • A lightning protection device for a wind turbine generator system includes at least a blade arrester (6), a down lead of a blade (7) connected to the blade arrester (6), a lightning-proof element of a pitch bearing, a lightning-proof element of a rotor bearing. The lightning-proof element of the pitch bearing is arranged at the blade root, with one end connected to the down lead of blade (7) and the other end connected to the lightning-proof element of the rotor bearing. The lightning protection device forms a lightning current conducting path passing through a cavity of the pitch bearing, a hollow of a rotor shaft and a cavity of the rotor bearing. A wind turbine generator system having the above mentioned lightning protection device is provided. The inventive lightning protection device and the wind turbine generator system can prevent the lightning current from flowing through the respective bearings in the wind turbine generator system and thereby the wind turbine generator system is protected efficiently. As a result, both the rate of failure and maintenance cost of the wind turbine generator system are reduced.
    • 一种用于风力涡轮发电机系统的防雷装置,至少包括叶片避雷器(6),连接到叶片避雷器(6)的叶片(7)的向下引线,俯仰轴承的防雷元件,闪电 转子轴承的元件。 变桨轴承的防雷元件设置在叶片根部,一端连接到叶片(7)的下引线,另一端连接到转子轴承的防雷元件。 雷电保护装置形成穿过变桨轴承的空腔的雷电流导电路径,转子轴的空心和转子轴承的空腔。 提供了具有上述防雷装置的风力发电机系统。 本发明的雷电保护装置和风力涡轮发电机系统可以防止雷电电流流过风力涡轮发电机系统中的相应轴承,从而有效地保护风力涡轮发电机系统。 结果,降低了风力发电机组的故障率和维护成本。