Simulation and Protection of Lightning Electromagnetic Pulse in Non-Metallic Nacelle of Wind Turbine

Qibin Zhou, Yize Shi, Xiaoyan Bian and Bo Zhou
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Qibin Zhou: Shanghai Key Laboratory of Power Station Automation Technology, School of Mechatronics Engineering and Automation, Shanghai University, Shanghai 200444, China
Yize Shi: Electric Power College, Shanghai University of Electric Power, Shanghai 200090, China
Xiaoyan Bian: Electric Power College, Shanghai University of Electric Power, Shanghai 200090, China
Bo Zhou: Electric Power College, Shanghai University of Electric Power, Shanghai 200090, China

Energies, 2019, vol. 12, issue 9, 1-10

Abstract: When the nacelle of a wind turbine is struck by lightning, lightning electromagnetic pulse (LEMP) is generated inside the nacelle and consequently impacts inside electronic devices or even seriously destroys them. In order to study the LEMP inside the nacelle, this paper firstly built a full-scale model of a non-metallic nacelle. The lightning electromagnetic environment in the nacelle was simulated and analyzed by the transmission-line matrix method. Then the protective measures of applying metallic shielding mesh on the nacelle were studied, including the mesh size and material of the shielding mesh on the protective effect. The results show that LEMP in the nacelle can be effectively attenuated by metallic shielding meshes. The shielding effect is highly dependent on the conductivity of the shielding mesh material and the mesh size.

Keywords: wind turbine nacelle; lightning electromagnetic pulse (LEMP); magnetic field intensity; shielding mesh (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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