Lightning protection system for a wind turbine blade
一种风力涡轮机、避雷系统的技术,应用在风力发动机、风力发电机组件、发动机等方向,能够解决复杂、昂贵等问题,达到减少噪声发射的效果
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[0027] Preferably, the invention relates to wind turbines of those types known in the industry as wind turbines according to the "Danish Concept". Typically, such wind turbines include a tower, a nacelle with gears and generators, and a rotor including a hub and three blades, wherein the rotor shaft is substantially horizontal.
[0028] Existing lightning protection systems for blades on wind turbines according to the "Danish Concept" often use a configuration in which a so-called "air receptor" made of conductive material is provided at the tip of the blade. This air-termination can "catch" the lightning strike and conduct current through the lightning conductors, which extend longitudinally of the blade and are grounded via the hub. Typically, the lightning receptor is connected to one side of the anchoring block, while the lightning conductor is connected to the other side of the same anchoring block. This configuration has been found to provide effective protection agains...
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