The influence of the metal mesh to the attachment manner of CFRP wind turbine blades

Guo, Zixin and Yu, Wanshui and Fang, Zhiyang and Zhang, Minhao and Li, Hongbo and Li, Qingmin and Siew, Wah Hoon (2019) The influence of the metal mesh to the attachment manner of CFRP wind turbine blades. In: The 11th Asia-Pacific International Conference on Lightning. IEEE, Piscataway, NJ. (In Press)

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    Abstract

    Wind turbine blade with carbon fiber reinforced plastics (CFRP) beam has much better mechanism performance. However, it faces the severe problem of lightning protection due to the conductivity of CFRP. Metal mesh are installed on CFRP blades by many manufacturers in order to protect the main beam. The performance of the metal mesh was not fully tested with real blade tip. In this paper, the blade tip equipped with tip receptor and fully covered mesh are tested under both negative and positive switching impulses. The results show that the mesh has little influence on the attachment manner. The results between none-mesh GFRP and with-mesh CFRP blade is also compared.