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首页> 外文会议>2011 7th Asia-Pacific International Conference on Lightning >Proposal of Lightning Damage Classification to Wind Turbine Blades
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Proposal of Lightning Damage Classification to Wind Turbine Blades

机译：关于风力涡轮机叶片雷电危害分类的提案

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摘要

Lightning damage to wind turbine blades is of great concern to wind power installations.We investigated various issues arising from lightning damage and assessed causes through actual lightning observations, and high-voltage and large-current experiments.Although installing lightning receptors and down conductors provides a good countermeasure, blade damage caused by lightning still occurs.Additional countermeasures may be necessary to protect blades from lightning; these countermeasures may include not only better performance and layout of receptors, but also independent lightning towers and new types of blade materials. This report provides a classification of blade damage sustained in winter lightning, ranked in severity by analysing the many incidents of damage that have actually occurred in Japan.Moreover, a list of possible causes of damage and relative countermeasures are also presented.
机译：风力涡轮机叶片受到雷击损坏是风力发电设备中非常关注的问题。我们调查了雷击损坏引起的各种问题，并通过实际的雷电观察，高压和大电流实验评估了原因，尽管安装了雷电接收器和引下线可以提供良好的对策，仍然会发生雷电造成的刀片损坏。可能需要采取其他对策来保护刀片免受雷击;这些对策不仅可以包括更好的接收器性能和布局，还可以包括独立的避雷塔和新型的叶片材料。本报告通过分析日本实际发生的许多损坏事件，对冬季雷电造成的叶片损坏进行了分类，并对严重程度进行了排名，此外还列出了可能的损坏原因及相关对策。

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