Warning: Increased risk of lightning damages to wind turbines

Summer means lightning season for many onshore wind farms

Lightning poses a serious threat to wind turbines due to their height and location in open areas, making them prime targets during storms. A direct lightning strike can cause catastrophic damage to turbine blades, which are constructed from composite materials vulnerable to the high temperatures and electrical currents of a lightning strike. This can result in immediate operational failures and long-term structural weaknesses.

Beyond the physical damage to the blades, lightning strikes can also harm the electrical systems within the turbine. Surge damage can affect the control systems and power converters, leading to downtime and expensive replacements. Additionally, repeated lightning strikes can degrade the overall efficiency and lifespan of the turbine, ultimately impacting the economic viability of wind farms.

Benefits of Lightning Surveillance without having sensors on all turbines

One of the most effective ways to manage lightning risk is through non-intrusive lightning surveillance systems. These systems provide near real-time data on lightning strikes without having a sensor installed on all turbines, allowing operators to pinpoint exactly where a strike has occurred. This targeted information is invaluable for maintenance teams, enabling them to focus their inspections on specific turbines that have been affected.

By knowing the precise location of a lightning strike, maintenance crews can quickly assess and address potential damage, reducing downtime and preventing minor issues from escalating into major problems. This proactive approach not only enhances the safety and reliability of wind turbines but also optimises maintenance resources, ultimately leading to cost savings and improved operational efficiency.

Real cost savings - OPEX

At Wind Power LAB we see clients carving out 50-80 % of lightning related blade inspections as our data motivates where the actual risk of damages should trigger an inspection.

Incorporating lightning surveillance into wind farm management strategies is a smart investment that ensures turbines are inspected and repaired promptly, maintaining their performance and extending their lifespan. As the technology continues to evolve, it will play an increasingly important role in protecting these vital renewable energy assets from the unpredictable forces of nature.

Lightning report - where to inspect?

At Wind Power LAB we would like to offer any asset owner or operator a lightning report covering your site. Please contact us via https://lassie.windpowerlab.com/ or by reaching out to Raihan Chowdhury right away.