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  • International Conference 2022
  • Services & Solutions

      Phases

      • Purchase of turbines
      • Commissioning of blades
      • End of warranty
      • Operation
      • Lifetime extension

      Solutions

      • D-String®
      • D-Stiffener™
      • X-Stiffener™
      • D-TE™

      Courses

      • Structural Blade Course

      Tools

      • CAR Tool
      • Blades Data
      • Structural Analysis
      • Elastic instabilities
      • Testing

      Downloads

      • All Downloads
  • Cases
  • R&D Projects
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Case 5 - D-Stiffener™

Problem

Picture

Picture
Open trailing edge and transverse cracks on the TE-panels midspan

Solution requested


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Eliminate open trailing edge in mid span region of blade

Case details


5 MW
Turbine
59.5m
Length
2013
Year of commision

Deliverables


90 blades with D-Stiffener™
Root cause analysis

Case pictures

Results


Increased availability of turbines
Certification body accepts that load carrying capability of the blade was not affected by the D-Stiffener™ solution
Eliminating risk of damaging asset (WTG)

Cases


sample62

Blade course

2 days advanced structural blade course
picture

D-Stiffenerâ„¢

D-Stiffenerâ„¢ installation on 75 blades in South America
sample62

D-Stiffenerâ„¢

Effective solution against strong winds
© Bladena 2020, Banestrøget 13, 1, 2630 Taastrup
  • International Conference 2022
  • Services & Solutions

      Phases

      • Purchase of turbines
      • Commissioning of blades
      • End of warranty
      • Operation
      • Lifetime extension

      Solutions

      • D-String®
      • D-Stiffener™
      • X-Stiffener™
      • D-TE™

      Courses

      • Structural Blade Course

      Tools

      • CAR Tool
      • Blades Data
      • Structural Analysis
      • Elastic instabilities
      • Testing

      Downloads

      • All Downloads
  • Cases
  • R&D Projects
  • Who we are

      Who we are

      • About us
      • Management & Board
      • Career
  • News
  • Contact