Blade Operations And Maintenance Forum


Forum Day One - Wednesday 11 November 2015

Registration And Refreshments 


Chair's Opening Remarks 

Judah Moseson, Vice President – O&M And International Services, Cielo Wind   

Mitigating The Impact Of Lightning Damage And Leading Edge Erosion (LEE) On The LCOE


Material Development In Relation To Leading Edge Erosion Prevention And Protection

  • The effects of LEE on blade integrity and overall AEP - how do they wear down over time and what are the parameters likely to cause erosion?
  • Evaluating the current paint and foil options on the market 
  • Integrated solutions to avoid repairing the blade for structural damage
  • Advanced test strategies to support the development and validation of future leading edge erosion protection and repair systems

Santhosh Krishna Chandrabalan, Technical Business Development Leader, 3M


Retrofitting Lightning Protection Systems To Mitigate Damage And Improve Long-Term Rotor Blade Integrity

  • How to implement pro-active solutions by understanding the extent to which retrofitting can improve protection 
  • Evaluating the latest retrofit developments, whilst taking into account the requirements of other blade components
  • To what degree is data accumulation from the field helping to meet the forces of nature and reduce lightning damage ranging from de-lamination to spar separation?

Fabrizio Leone, Lead Specialist – Mechanical System And Blades Engineering, Vestas Americas



Adopting Blade Anti-Icing Systems In Cold Climates To Avoid Production Loss

  • Counteracting the unique issues caused by ice on blades at Duke Energy sites in Pennsylvania, with the objective of reducing downtime 
  • Outlining the process regarding the selection of hydrophobic coatings
  • Practical and operational takeaways from installation, to identify lessons learnt 
  • The quantification of icing impacts and energy losses during blade operations, based on real-time project results and data

Jeffrey Wehner, Vice President Of Operations, CaseRenewables, Duke Energy


    Networking Break And Morning Refreshments


    Defects And Damage Categories: When To Repair, Replace Or Partially Replace?

    • Methods to determine damage categories, with a focus on the classification of lightning damage
    • Examining the latest technology for conducting partial repairs to blades and determining in what circumstances this is the optimum solution
    • At what stage is it necessary to replace the blade as a result of lightning, environmental and leading edge damage?
    • Working with OEMs throughout this process and to resolve possible warranties  


    Outlining The Best Methods To Ensure You Return The Blade To Its Original Strength During A Repair

    • Highlighting the latest results from tests carried out on OEM laminates used in the wind blade
    • Understanding the different test surface preparations and materials to examine how this influenced the final results
    • Providing insights on how best to measure your results and using this to drastically improve the strength of your blade
    Tony Gray , Key Account Manager, SIKA

    Aerodynamic Performance Boosting Strategies And Post-Sale Upgrades For Increased AEP


    Aerodynamic Enhancements To Improve AEP: Assessing Progress In Field Trials Of Vortex Generators

    • Analysing how vortex generators can be shown to prevent performance degradation and enhance blade aerodynamics
    • What are the critical to quality VG requirements?
    • Is experience in the field meeting expectations regarding VG investment?

    Ron Grife, Senior Manager – Turbine Performance And Reliability, EDPR


    Networking Lunch



    How Extensive Are The Benefits Of Structural Enhancers And Performance Add-Ons?

    • To what extent have structural enhancement technologies been proven to maximize AEP, strengthen blades and extend the effective life time?
    • Looking to the future: how can the industry improve aerodynamic attachments?
    • What are the most effective add-ons to protect and restore the rotor blade leading edge?
    • How do structural enhancers fare compared to the repair alternatives?

    Odin Creel, Wind And Site Engineer, Suzlon
    Ken Siddall, Director Of Service Technology, Siemens
    Santhosh Krishna Chandrabalan, Technical Business Development Leader, 3M

    Exclusive Developer And OEM Insights From Real-Time Project Case Studies 



    Improving Blade Performance And Reliability Through Field Analysis Of Gamesa's Specific Blade Forms Currently In Service

    • Addressing four key challenges: budget, lack of integrated process, reliability and availability of new technology 
    • Bridging the gap between provider and customer – how to avoid disputes in warranty claims through greater collaboration 
    • An OEM perspective on the training provisions which should exist to reduce the likelihood of blade downtime

    Philippe Delleville, Vice President Services, Gamesa


    Material Strategies For Reducing Loads In The Blade To Ensure Improved Integrity

    • How effective is the use of carbon in improving aeroelastic tailoring?
    • Successful implementation of carbon reinforcements in the root section of the blade 
    • Optimizing integrity and ensuring decreased wear and tear through a reduction in weights and loads
    • Drawing on the design of the Siemens SWT-2.3-120 turbine and assessing it’s operational service and maintenance benefits 

    Ken Siddall, Director Of Service Technology, Siemens
    Jeffrey Elberling, Team Lead – Composites, Siemens


    Networking Break And Afternoon Refreshments


    Blade Pitch Angle Control For Aerodynamic Performance Optimization Of A Wind Farm

    • Predicting the effects of wakes, including velocity defects and increase in turbulent intensity, from upstream turbines to maximize the blade power output 
    • Understanding aerodynamic analysis and the Blade Element Momentum (BEM) theory
    • Applying these controls to the pitch angle on an operational wind farm and assessing the real-time results

    Odin Creel, Senior Wind And Site Engineer, Suzlon


    Panel Discussion: How Can We Ensure The Adequate Training Of Blade Technicians And What Competency Checks Are Currently In Place?

    • At what stage and after what specific training can a technician be defined as competent?
    • Working to ensure consistency and agreement on what training the industry should provide?
    • What effect does the effective training of technicians have on reducing the cost of repairs to blades?
    • Practical Insight – identifying the key areas in which technician’s feel training is most vitally required18

    Panellist Include:
    Darren Teetaert, Composite Tech III, Vestas-Canadian Wind Technology Inc


    Chair's Closing Remarks


    Close Of Forum Day 1 And Drinks Reception