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    • 21. 发明专利
    • Damage detecting method and damage detecting system of wind turbine blade
    • 风力涡轮机叶片损伤检测方法及损伤检测系统
    • JP2013148021A
    • 2013-08-01
    • JP2012009403
    • 2012-01-19
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • NAKA TAKEHIROKAWAZOE KOHEIFUJIOKA HIDEYASU
    • F03D11/00
    • Y02E10/72
    • PROBLEM TO BE SOLVED: To provide a damage detecting method and a damage detecting system of a wind turbine blade, capable of highly accurately detecting damage of a conductive composite material, even if at least a part of the wind turbine blade is constituted of the conductive composite material and a composite material protective conductor for covering the conductive composite material and the conductive composite material are equipotential.SOLUTION: A wind turbine blade 1 includes conductive composite materials 12, and composite material protective conductors 16 for covering the conductive composite materials 12 and equipotential with the conductive composite materials 12. The damage detecting system 20 acquires lightning current parameters on a lightning current flowing in the conductive composite material 12 of the wind turbine blade 1 when the wind turbine blade 1 is struck by lightning, and detects the damage of the conductive composite material 12 of the wind turbine blade 1 based on the lightning current parameters.
    • 要解决的问题:为了提供能够高精度地检测导电性复合材料的损伤的风力涡轮机叶片的损伤检测方法和损伤检测系统,即使风力涡轮机叶片的至少一部分由导电性 复合材料和用于覆盖导电复合材料和导电复合材料的复合材料保护导体是等电位的。解决方案:风力涡轮机叶片1包括导电复合材料12和用于覆盖导电复合材料12和等电位的复合材料保护导体16 损坏检测系统20在风力涡轮机叶片1受到雷击时,在风力涡轮机叶片1的导电复合材料12中流动的雷电流上获得雷电流参数,并且检测到 风力涡轮机叶片1的导电复合材料12a 关于雷电流参数。