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The significance of median natural lightning current strokes on the energy handling capabilities of surge arresters employed in wind farms

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  • Malcolm, Newman
  • Aggarwal, Raj

Abstract

The significance of the median natural lightning currents on the energy handling capabilities of surge arresters employed in wind farms is investigated. The Electromagnetic Transient Program Alternative Transient Program (EMTP-ATP) was used to simulate direct lightning strikes to the blade of an existing wind turbine in order to determine the current discharged through the surge arresters and hence the energy absorbed by the surge arresters located at different wind turbines. The values of the energy handling capabilities of surge arresters are generally published in manufacturers' datasheets. Yet, the impact of the subsequent lightning strokes is usually ignored. Also, the published energy handling capabilities are based solely on standard waveforms. This contribution uses two sets of natural lightning current parameters measured on instrumented towers at Mount San Salvatore and Morro do Cachimbo, to simulate lightning strikes to the wind turbine blade. The results show that the influence of the subsequent strokes can be significant for the current discharged through the surge arresters and the subsequent energy absorbed, especially at the stricken turbine.

Suggested Citation

  • Malcolm, Newman & Aggarwal, Raj, 2016. "The significance of median natural lightning current strokes on the energy handling capabilities of surge arresters employed in wind farms," Renewable Energy, Elsevier, vol. 85(C), pages 319-326.
    • Handle: RePEc:eee:renene:v:85:y:2016:i:c:p:319-326
    DOI: 10.1016/j.renene.2015.06.055
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    Cited by:

    1. Sarajcev, P. & Vasilj, J. & Jakus, D., 2016. "Monte–Carlo analysis of wind farm lightning-surge transients aided by LINET lightning-detection network data," Renewable Energy, Elsevier, vol. 99(C), pages 501-513.
    2. Hosseini, S.M Amin & Mohammadirad, Amir & Shayegani Akmal, Amir Abbas, 2022. "Surge analysis on wind farm considering lightning strike to multi-blade," Renewable Energy, Elsevier, vol. 186(C), pages 312-326.

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