Initial investigation of influence of wind farms to lightning events

Birkl, Josef; Diendorfer, Gerhard; Thern, Stephan; Kolb, Johannes; Shulzhenko, Eduard; Rock, Michael

doi:10.1109/iclp.2016.7791448

Cited by 10 publications

(10 citation statements)

References 1 publication

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“…However, an increase in the number of lightning occurrences by the construction of wind turbines has been observed in Europe . In Ref.…”

Section: Concentration Of Lightning At Tall Structuresmentioning

confidence: 99%

“…In Ref. , number of lightning strikes within about 1 km of a wind turbine is compared with that in a reference area that is 2.5–3 km from the wind turbine at 50 onshore and 2 offshore sites. Observation data by the European Cooperation of Lightning Detection (EUCLID), which is a LLS operated in Europe, show that the number of lightning strikes around wind turbines was higher than those of the reference area by 64.1% for negative strikes and 28.7% for positive strikes, on average.…”

Section: Concentration Of Lightning At Tall Structuresmentioning

confidence: 99%

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Lightning striking characteristics to tall structures

Shindo

2018

IEEJ Transactions Elec Engng

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Recently, very tall structures with heights more than several hundred meters have been constructed all over the world and observation of lightning has been made. The striking characteristics obtained from these observations are reviewed, and conventional and new shielding models are discussed. In addition, future themes of studies to be carried out are proposed. © 2018 Institute of Electrical Engineers of Japan. Published by John Wiley & Sons, Inc.

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“…However, an increase in the number of lightning occurrences by the construction of wind turbines has been observed in Europe . In Ref.…”

Section: Concentration Of Lightning At Tall Structuresmentioning

confidence: 99%

Section: Concentration Of Lightning At Tall Structuresmentioning

confidence: 99%

Lightning striking characteristics to tall structures

Shindo

2018

IEEJ Transactions Elec Engng

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“…Most WTs in wind farms are arrayed in “clusters.” Most current studies regard wind turbine clusters (WTCs) as a whole to study the characteristics of lightning strikes in WTCs. The WTC had an attractive effect on lightning activities in the impact area (Birkl et al., 2016; H. Chen et al., 2021; Soula et al., 2019), and the peak current of the strokes can also increase (Birkl et al., 2016; H. Chen et al., 2021). For example, Soula et al.…”

Section: Introductionmentioning

confidence: 99%

Observation and Simulation of Lightning Strikes in an Offshore Wind Turbine Cluster

Zou

Zhang

Tan

et al. 2023

Earth and Space Science

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In recent years, energy issues have become increasingly prominent. As a sustainable energy, wind power has received increasing attention and has been vigorously developed. Wind turbines (WTs) are the core components of wind power generation. As grounded protrusions, the characteristic reactions of WTs to lightning strikes are similar to those of ordinary tall buildings. Generally, tall buildings affect surrounding cloud-to-ground (CG) lightning activities and attract more lightning events (

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“…Vigorously developing wind power, a renewable energy source, contributes to alleviating the shortage of fossil energy while protecting the ecological environment and implementing sustainable development [1,2]. As the capacity of wind turbines has increased gradually, their blade length has increased from 20 m to 80 m and the hub heights from 90 m to 150 m, reaching a total height of 150 m to 200 m, thereby increasing the risk of lightning stroke on wind turbines [3]. On the basis of relevant statistics, 80% of shutdown accidents caused by the lightning striking on offshore wind turbines in Japan can be attributes to blade damage [4,5].…”

Section: Introductionmentioning

confidence: 99%

Optimized Design of Wind Turbine Blade Receptors Based on Electrostatic Field Theory

et al. 2019

Electronics

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Lightning protection for blades is one of the most important factors for the safe operation of wind turbines. In view of the differences in the designs of blade receptors, a full-scale blade receptor model was constructed on the basis of the scaling experiment of the wind turbine and electrostatic field theory. By combining the electromagnetic finite element analysis with leader discharge theory, this study analyzed and discussed the influence of the protruding height of receptors and the design of receptor types on the lightning receiving effect of the blade, and the optimum design scheme of blade receptors was proposed. According to the results of this study, the field intensity distribution on the surface of the receptor was a high-boundary and low-middle structure. The receptor easily produced an upward connection leader as the lighting junction. The electric field intensity around the receptor was substantially distorted after 4 mm protrusion, which was approximately twice the electric field intensity of a flat right-angle receptor. The convex chamfer had multiple centralized lightning stroke points compared with the convex right-angle design, thereby exhibiting better solidification and reliability at the lightning stroke area, which are conducive to protecting the blade from lightning damage. The electric field intensity of the convex fillet was similar to the chamfer, but the radius of the electric field intensity of the convex fillet was small, and the attenuation of the electric field intensity with the radius was evident. This study provides a reference for further optimization design of blade receptors.

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Initial investigation of influence of wind farms to lightning events

Cited by 10 publications

References 1 publication

Lightning striking characteristics to tall structures

Lightning striking characteristics to tall structures

Observation and Simulation of Lightning Strikes in an Offshore Wind Turbine Cluster

Optimized Design of Wind Turbine Blade Receptors Based on Electrostatic Field Theory

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