Leading Edge Erosion: Protection, Costs, and Benefits

Download Leading Edge Erosion: Protection, Costs, and Benefits

Post on 16-Jul-2015

267 views

Category:

Engineering

4 download

Embed Size (px)

TRANSCRIPT

<ul><li><p>Leading Edge Erosion: Protection, Costs and </p><p>Benefits </p></li><li><p>Before We Start q This webinar will be available at </p><p>www.windpowerengineering.com &amp; email </p><p>q Q&amp;A at the end of the presentation </p><p>q Hashtag for this webinar: #WindWebinar </p></li><li><p>Moderator Presenter </p><p>Michelle Froese Windpower Engineering </p><p>&amp; Development </p><p>Steven Elrod BS Rotor </p></li><li><p>BS ROTOR TECHNIC USA, LLC </p><p>Presenter: Steve Elrod, General Manager</p></li><li><p>Why Surface Matters Blade length has increased overtime and has placed more demand on designs incorporating thinner and lighter materials. </p></li><li><p>Why Surface Matters Challenging environments (e.g. Offshore &amp; Deserts) </p></li><li><p>Cause of Erosion Wear Higher tip speeds because </p><p>of increase length Location of turbine </p><p>o Operation in extreme/hostile environments (Deserts, Mountains, &amp; Seas) </p><p>o Locations that have an abundance of sand, dust, bugs, rain, sleet, snow </p></li><li><p>Start of Erosion Cycle Loss of OEM Coating Minor Pitting Effects Damage Base Layer Severe Delamination Crack propagation </p></li><li><p>Leading Edge Erosion (Minor)</p></li><li><p>Leading Edge Erosion </p></li><li><p>Leading Edge Erosion (Major)</p></li><li><p>Leading Edge Erosion </p></li><li><p>Effect of LE Erosion on WTG Output (1.5 MW) </p><p> Moderate pitting o Increased Drag, Lower Lift Loss </p><p>$8,000 per year </p><p> Pitts &amp; Gauging o Increased Drag, Lower Lift Loss </p><p>$16,000 per year </p><p> Severe Pitting &amp; De-lam o Increased Drag, Lower Lift Loss </p><p>$32,000 per year </p><p> Source: 3M Wind Power Blade O&amp;M Forum</p></li><li><p>Effect of LE Erosion on WTG Output (5 MW) </p><p> Moderate pitting o Increased Drag, Lower Lift </p><p> Loss $120,000 per year </p><p> Pitts &amp; Gauging o Increased Drag, Lower Lift </p><p> Loss $360,000 per year </p><p> Severe Pitting &amp; De-lam o Increased Drag, Lower Lift </p><p> Loss $720,000 per year </p><p>Source: 3M Wind Power Blade O&amp;M Forum</p></li><li><p>Proactive Leading Edge Protection </p><p> Feature: Smooth Surface on leading edge </p><p> Benefit: o Higher lifts o Improves Efficiency by 1 to 4% </p><p>Source: Ingen Wind Power Blade O &amp; M Forum</p></li><li><p>Effect on LE Protection on WTG Output on a typical 1.5 WT </p><p> Payback in less than 6 months </p><p> Increased revenue of $50K to $250,000 (over 5 years) </p><p>Source: LM Wind Power UWIG Wind Turbine Operations and Maintenance User Group Meeting</p></li><li><p>Effect on LE Protection on WTG Output on a typical 5MW offshore WTG </p><p> Payback in less than 8 months </p><p> Increased revenue of $500K to $2,500,000 (over 5 years) </p><p>Source: LM Wind Power UWIG Wind Turbine Operations and Maintenance User Group Meeting</p></li><li><p>Possible LEP Protection </p><p> 1. Flexible Poly Urethane Tape 14 Mil Thick 2. Poly Urethane Coatings (2 Component Mix) 10-14 Mil </p><p>Thick Layer. Applied by Rollers or Brush 3. Wear Resistant Coatings 15-20 Mil thick applied by </p><p>Rollers or Spay Gun. </p></li><li><p>Benefits of Various LEP Materials </p><p> 1. Poly Urethane Tape: 3M - New in the Market 2. Poly Urethane Coatings: Duromar, Mankiewicz, Bergolin 3. Wear Resistant Coatings </p></li><li><p>Conclusion Pictures after 3 years of Service </p></li><li><p>Conclusion Erosion is going to occur on all </p><p>blades Effects of Erosion can be </p><p>controlled or limited LEP works and pays for itself </p></li><li><p>Questions? </p><p>Michelle Froese Windpower Engineering &amp; Development mfroese@wtwhmedia.com </p><p>Steven Elrod BS Rotor selrod@bs-rotor.com </p></li><li><p>Thank You q This webinar will be available at </p><p>www.windpowerengineering.com &amp; email </p><p>q Tweet with hashtag #WindWebinar </p><p>q Connect with Windpower Engineering &amp; Development </p><p>q Discuss this on the EngineeringExchange.com </p></li></ul>

Recommended

View more >