Simple yet effective
The D-String® may seem simple but is based on many years of research and a highly advanced understanding of why blades fail. It is developed to eliminate cracks in the trailing edge max chord area by eliminating breathing as the root cause.
D-String® will positively affect the operation of your wind turbine
|
|
|
|
Why it worksD-String® eliminates the breathing which occurs when the blades spin. Breathing in turbine blades is caused by edgewise loading due to gravity and induces peeling in the adhesive bondlines near the trailing edge and close to the webs. Peeling in the adhesive bondlines directly causes cracks, which may lead to larger failures in your blades.
|
Easy installationThe D-String® can be installed up-tower using simple tools with either rope access, skylift or using a 360 degree platform.
Bladena assists with the installation of the D-Strings® and works with a network of independent service providers who ensure a reliable and cost-effective installation, meeting the highest standards of safety and quality. |
|
Expert opinionThe D-String® documentation has been reviewed by DEWI OCC who found that: the structural properties and integrity of the blades are not negatively affected by the installation of D-Strings®. The D-String® product does not influence the structural safety of the trailing edge panels of a general rotor blade design.
|
ReferencesThe D-String® is currently installed on 8 different blade types in Europe and USA:
|
