Experimental study on lightning attachment manner to wind turbine blades with lightning protection system

Zixin Guo, Qingmin Li, Yufei Ma, Hanwen Ren, Zhiyang Fang, Chun Chen, Wah Hoon Siew

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Different types of lightning protection systems (LPSs) have been developed for wind turbines to protect the blades from lightning strikes. However, severe damages caused by lightning strikes still happen frequently, which creates huge costs. Experiments using a 5-m blade specimen with tip receptors from 1.5-MW wind turbine blades under 3-m air gap were conducted to investigate the lightning attachment manner to the wind turbine blade with LPS in different situations. Factors including the polarity of the lightning strikes, the orientation of the blade, and the lateral distances (LDs) between the wind turbine blade and the lightning downward leader were taken into account. It was found that the types of discharge paths under positive and negative lightning strikes are quite different, and the positive discharges are much more dangerous to wind turbine blade than the negative ones. The LD between the downward leader and the wind turbine blade is a key factor that influences the interception efficiency. Three types of receptor interception failures were discovered. Multiple upward leaders may incept from the blade body as to intercept the downward leader. However, the protection range of the tip receptor is quite limited, and the connection of the tip receptor and the blade body is the most vulnerable position hit by the lightning strikes. The results present the useful reference to the optimal design of the wind turbine blade LPS.

LanguageEnglish
Article number8488666
Pages635-646
Number of pages12
JournalIEEE Transactions on Plasma Science
Volume47
Issue number1
Early online date10 Oct 2018
DOIs
Publication statusPublished - 31 Jan 2019

Fingerprint

turbine blades
wind turbines
lightning
attachment
blades
interception
polarity
damage
costs

Keywords

  • blades
  • wind turbines
  • electric discharges
  • lightning protection
  • lightning attachment

Cite this

Guo, Zixin ; Li, Qingmin ; Ma, Yufei ; Ren, Hanwen ; Fang, Zhiyang ; Chen, Chun ; Siew, Wah Hoon. / Experimental study on lightning attachment manner to wind turbine blades with lightning protection system. In: IEEE Transactions on Plasma Science. 2019 ; Vol. 47, No. 1. pp. 635-646.
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Experimental study on lightning attachment manner to wind turbine blades with lightning protection system. / Guo, Zixin; Li, Qingmin; Ma, Yufei; Ren, Hanwen; Fang, Zhiyang; Chen, Chun; Siew, Wah Hoon.

In: IEEE Transactions on Plasma Science, Vol. 47, No. 1, 8488666, 31.01.2019, p. 635-646.

Research output: Contribution to journalArticle

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