by ahall | Dec 6, 2015 | Lightning News |
“Spanish wind energy giant Gamesa has boosted its involvement in North America by joining the American Business Act on Climate Pledge and committing further to Mexico. One of the world’s leading wind energy manufacturers, Gamesa made two announcements on December 1 to coincide with the COP21 United Nations climate negotiations currently being held in France. Gamesa first announced that it had joined the American Business Act on Climate Pledge, joining more than 140 existing companies from across the American economy that have already taken the Pledge to stand with President Obama and his administration in demonstrating an ongoing commitment to climate action. The Pledge also calls for a strong outcome out of the COP21 Paris climate negotiations.” Read more:...
by ahall | Jun 9, 2015 | Lightning News |
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by ahall | May 17, 2015 | Lightning News |
Segmented lightning diverters provide protection from strikes and near strikes. Wind turbine blades are very susceptible to lightning strikes, even when lightning does not directly attach to the blades. The rapidly changing and extremely strong electric fields in thunderstorms create electrical activity along the blades which can degrade the blade’s dielectric strength. Once the dielectric strength is reduced the lightning protection system on the blade, typically tip receptors, is less effective. Segmented lightning diverters can reduce the electrical stress on the blade and maintain the efficiency of tip receptors. Can Segmented Lightning Diverters Protect Your Blades from Near Strikes? Read all about the effects of near strikes in our article in Windpower Engineering & Development here:...
by admin | Jun 4, 2014 | Lightning News |
Wind Turbine Damaged in Kansas by Lightning
by admin | Jan 17, 2014 | Lightning News |
Researchers in Spain are using high speed video to document high voltage streamers and leaders originating from wind turbine blades. The data indicates that high voltage streamers/leaders occur roughly every 3 seconds as the blades rotate and these events can last minutes or hours. The wind turbine blades do not need to be directly near an active storm as the streamers/leaders can appear while the storm is several kilometers away. This research provides terrific insight into the high voltage environment that wind turbines operate in. For more information regarding the research, click the link below: http://onlinelibrary.wiley.com/doi/10.1002/2013JD020225/abstract”...
by admin | May 25, 2013 | Lightning News |
A wind turbine blade outside Wichita, Kansas was recently punctured by lightning. The puncture hole does not appear to be significant on the outside of the blade but unseen structural damage could lie underneath. As seen in the photo below, the blade does not appear to have any lightning protection. In the heartland of the United States, lightning is very common. Lightning protection of the blade is a necessity. If you are installing or repairing wind turbines, consider using WXGuard segmented lightning diverters to protect your blade from lightning...
by admin | May 25, 2013 | Lightning News |
In Dexter, Minnesota lightning struck a 37 meter blade and caused it to split and fail. The operator is calling in a crane to remove and replace the blade, which is very expensive. The blade manufacturer should have used WXGuard segmented lightning diverters to prevent blade punctures. WXGuard lightning diverters are simple to use and install, and they provide excellent lightning...
by admin | Feb 27, 2013 | Lightning News |
This is another great video of lightning striking a wind turbine. With the advent of cameras in mobile phones, it’s likely we’ll see a lot more of this type of video in the future. Videos like the one below help scientists and engineers learn about the interactions of lightning on wind turbines. In this particular video you can clearly see a high voltage leader emanating from the blade before the big lightning currents travel through the blade....
by admin | Feb 17, 2013 | Lightning News |
During a recent storm, this video captured lightning striking the blade of a wind turbine. The strike is very bright and loud! One interesting note is the duration of the lightning strike. The turbine rotates about 30 degrees from start to finish. This rotation affects where lightning will attach to the blade. To protect your blades, try WXGuard Wind segmented lightning diverters. Contact Greg Shine at 1-800-543-5151 for more...
by admin | Jan 3, 2013 | Lightning News |
A new paper has been published by Energy magazine that discusses the effects of wind turbine blade speeds on the lightning protection system. From the testing conducted by the authors, it appears that lightning punctures near the tip increases as the tip speed increases. See an abstract of the paper at:...
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