Analysis of polarity characteristics of lightning attachment and protection to wind turbine blades
This study investigated the attachment of lightning polarity and protection to wind turbine blades. Positive-polarity switching impulse lightning exhibits a shielding effect on the wind turbine blade receptor, whereas negative-polarity switching impulse lightning exhibits a typical lightning attachm...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2024-12-01
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| Series: | Results in Engineering |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S259012302401689X |
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| Summary: | This study investigated the attachment of lightning polarity and protection to wind turbine blades. Positive-polarity switching impulse lightning exhibits a shielding effect on the wind turbine blade receptor, whereas negative-polarity switching impulse lightning exhibits a typical lightning attachment to the tip receptor. A wind turbine blade made of carbon-fiber-reinforced plastic material with a 60° blade rotation and a needle-shaped discharging electrode position at the inner section of the blade has the most vulnerable lightning protection; its failure increased to 80 % when lightning attached to areas without receptors installed. Edge receptors were proposed to supplement vulnerability in lightning protection. The space charge distribution was simulated, and a highly concentrated positive-ion space cloud was produced far away from the rod surface using a positively biased top electrode. © 2024 Elsevier Science. All rights reserved |
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| ISSN: | 2590-1230 |