Transmission & Distribution Channels
MENU
×

Lightning Strikes

SANYO DIGITAL CAMERA

In Canada, lightning flashes occur about 2.34 million times a year; with the highest levels of concentration during the summer months.

While most lightning on earth is ground-to-cloud,  recent research has identified that the majority of lightning events to tall structures, such as wind turbines, occur in the presents of ground-to-cloud leaders – upward lightning.  More importantly, the majority of ground-to-cloud leaders transpire following a sudden change in electric field initiated by either cloud-to-cloud, cloud-to-air or cloud-to-ground discharges.

Since the late 1990’s, the utility grade wind turbine sector has identified lightening events as a significant risk factor.  Today, many standards and guidelines (such as IEC 61400-24:2010) exist; however, the majority of lightning-protection-system standards and guidelines utilized by the wind turbine industry do not address upward moving lightning.

 


Read the full article in our digital magazine

SANYO DIGITAL CAMERA Lessening the effects of lightning strikes on wind turbines

By Ryan Jones, Chief Inspector and National Leader, Risk Control Services Global Specialty Lines at RSA Canada

In Canada, lightning flashes occur about 2.34 million times a year; with the highest levels of concentration during the summer months.

While most lightning on earth is ground-to-cloud,  recent research has identified that the majority of lightning events to tall structures, such as wind turbines, occur in the presents of ground-to-cloud leaders – upward lightning.  More importantly, the majority of ground-to-cloud leaders transpire following a sudden change in electric field initiated by either cloud-to-cloud, cloud-to-air or cloud-to-ground discharges.

Since the late 1990’s, the utility grade wind turbine sector has identified lightening events as a significant risk factor.  Today, many standards and guidelines (such as IEC 61400-24:2010) exist; however, the majority of lightning-protection-system standards and guidelines utilized by the wind turbine industry do not address upward moving lightning.

 

Read the full article in our digital magazine

Free Catalog Downloads

product Showcases

Videos

Facebook
Facebook
Twitter
Visit Us
LinkedIn