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Blade Services

Blade Services. Benefits of its execution based on the site conditions and repair solutions as state of art asset management practice. D id you know?. Tip speed : 241 km/h *. Imagine… … driving your car through rain, hail, snow, sand, dirt and salty sea water at 241 km/h every day.

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Blade Services

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  1. Blade Services Benefits of its execution based on the site conditions and repair solutions as state of art asset management practice.

  2. Did you know? Tip speed: 241 km/h* Imagine……driving your car through rain, hail, snow, sand, dirt and salty sea water at 241 km/h every day. 40,075 KM > 1 week 40,513 km** *(V80 @16 rpm: 2 x 40m x 3.14 x 16 x 60 min.) ** (241 km/h x 24 hours x 7 days)

  3. Blades are themost expensive componentof your turbine • Crucial to revenue generation, but often neglected • Damages are often discovered too late. As a result, repair is extensive and costly with the risk of longer downtime. Heavy lightning & lack of protection systems can lead tocostly unexpected damages. Even erosion, minor damages and dirt can cause reduced efficiency of up to 5% lost production.

  4. Vestas has the solutions Blade inspections Blade Repairs Cost saving through early detection Fast inspections At wind speeds up to 12 m/s Expertise of a leadingmanufacturer One-stop-shop for all requests Complete replacement solutions Blade upgrades Wear and tear coverage Up to 2% energy production increase Up to 96% reduction in repair cost Up to 3db noise reduction Repair, inspections included for a fixed fee No unexpected wear and tear costs Less downtime via integrated scheduling

  5. Blade Damage Classification 3. Non-serious damage Intervention during planned inspection 4. Serious damage Intervention within 3 months 2. Similar to cosmetic Intervention only if other damage exists 5. Very serious damage Intervention required immediately 1. Cosmetic no intervention needed

  6. Vestas Blade Serviceshelps you reduce cost • Intervene early, reduce costs- Identifying damage and intervene before it develops into serious & failure-causing damages. Full turbine stop due to blade repair has been reduced by 30% over the last 6 years at turbines taken over by Vestas Blade program Full turbine stop due to blade repair has been reduced by 30 percentage points over the last 6 years • Less downtime = Higher availability = Improved power production & revenue

  7. Early interventionreduces cost Let’s start today

  8. Know the condition of your blades • Detailed reports • Lifecycle tracking • Compared to historical data • Recommended repair solutions • Up to 12 m/s wind speeds* • 1-2 persons required* • 30-45 minutes max.* *Drone inspections • Inspections • Camera • Telescope • Drone • Non-destructive testing Advanced methods, expert reports, engineering backed recommendations

  9. Know the condition of your blades • Inspections • Camera • Telescope • Drone • Non-destructive testing Advanced methods, expert reports, engineering backed recommendations

  10. Protect yourblades against erosion Solution Benefit 3-Layer Polyurethane paint with different colors allows visual inspection of wear and tear Leading Edge Repair and Protection Extra protection, doubling durability* *Compared to normal repair Erosion Susceptibility: Extreme (> 240km/h) Severe (> 200km/h) Mild (> 160km/h) Limited (< 160km/h)

  11. Protect yourblades against ligthning Solution Benefit Reduce the number of damages by88%* and repair cost by 96%* Copper caps For all blades without SMT Copper strips For extreme lightning activity Our advanced weather monitoring capabilities can help identify the most suitable solution. *Comparison for the same period of time at site with extreme lightning activity.

  12. Upgrade yourturbine blades Solution Benefit Up to 2% energy production increase*, up to 3 dB noise reduction** Vortex Generators, Gurney Flaps, Serrated trailing edges *Vortex generators and gurney flaps combined. Site specific research is required for more accurate estimation. **Serrated trailing edges.Lower noise emissions allow turbines to operate in more aggressive noise modes. No impact on loads and design life, thrust coefficient or power curve. Aerodynamic upgrades are offered with an investment guarantee.

  13. Thank you for your attention

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