De-lamination indicator

An indicator device for detecting a delamination of a composite material, including detecting a delamination of a composite material of a wind turbine or a wind turbine rotor blade is provided. The indicator device includes: A first part, a second part and an electric circuit. Therein, the first part comprises at least a part of a lower part of the electric circuit. The second part comprises at least a part of an upper part of the electric circuit. And the lower part and the upper part are electrically connected to each other at a predetermined breaking point forming the electric circuit in such a manner, that when the indicator device is in use in a composite material, if a delamination of the respective composite material occurs, the electric connection between the lower part and the upper part breaks at the predetermined breaking point, thus cutting the electric circuit.

Rotor blade element and method for improving the efficiency of a wind turbine rotor blade

Rotor blade element and method for improving the efficiency of a wind turbine rotor blade. A rotor blade element (40, 50, 60) adapted for mounting on a wind turbine rotor blade (5) is described. The wind turbine rotor blade (5) comprises a trailing edge (21), a suction side (33) and a pressure side (35). The blade element (40, 50, 60) comprises a trailing edge (46, 56), a first surface (41) and a second surface (42). The first surface (41) forms a pressure side surface portion. The second surface (42) comprises a suction side surface portion (43) and a contact surface (44).

Method of optimising a wind park construction

The invention describes a method of optimising a wind park construction, which wind park (2) comprises at least a first wind turbine (4) and a second wind turbine (6, 6'), wherein a first blade topology (44) is selected for the first wind turbine (4) depending on a noise optimisation parameter which is measured and/or predicted at a reference position (24) at a distance (D) from the wind park (2), and a second blade topology (46) is selected for the second wind turbine (6, 6') depending on an energy efficiency optimisation parameter. The invention also describes a wind turbine (4, 6, 6') for such a wind park (2) and a wind park (2) comprising at least such a first wind turbine (4) and a second wind turbine (6, 6').

Method of optimising a wind park construction

A method of optimising a wind park construction is provided. The wind park includes at least a first wind turbine and a second wind turbine. According to the method, a first blade topology is selected for the first wind turbine depending on a noise optimisation parameter which is measured and/or predicted at a reference position at a distance from the wind park. A second blade topology is selected for the second wind turbine depending on an energy efficiency optimisation parameter. 1. A method of optimising a wind park construction , the wind park comprising at least a first wind turbine and a second wind turbine , the method comprising:selecting a first blade topology for the first wind turbine depending on a noise optimisation parameter which is measured and/or predicted at a reference position at a distance from the wind park, andselecting a second blade topology for the second wind turbine depending on an energy efficiency optimisation parameter.2. The method according to claim 1 , wherein the first blade topology defines a first shape of a trailing edge of a blade of the first wind turbine and the second blade topology defines a second shape of a trailing edge of a blade of the second wind turbine.3. The method according to claim 1 , wherein at least the trailing edge of the first wind turbine comprises a first part and a second part.4. The method according to claim 3 , wherein the trailing edge is serrated over the first part.5. The method according to claim 4 , wherein the first part is located in a region at the outermost end of the blade.6. The method according to claim 5 , wherein the first part extends at most one third of the total length of the blade.7. The method according to claim 3 , wherein the first part is more flexible than the second part.8. The method according to claim 2 , comprising a step of replacing a non optimized part with a replacement part claim 2 , which is optimized according to the first or second topology.9. The method according to ...

ROTOR BLADE ELEMENT AND METHOD FOR IMPROVING THE EFFICIENCY OF A WIND TURBINE ROTOR BLADE

A rotor blade element and a method for improving the efficiency of a wind turbine rotor blade are provided. The wind turbine rotor blade element is adapted for mounting on the wind turbine rotor blade. The wind turbine rotor blade has a trailing edge, a suction side and a pressure side. The blade element has a trailing edge, a first surface and a second surface. The first surface forms a pressure side surface portion. The second surface has a suction side surface portion and a contact surface. 115-. (canceled)16. A rotor blade element to be mounted on a wind turbine rotor blade , comprising:a trailing edge;a first surface comprising a pressure side surface portion; anda second surface comprising a suction side surface portion and a contact surface.17. The rotor blade element as claimed in claim 16 , further comprising a trailing edge flange located between the contact surface and the suction side surface portion for attaching the rotor blade element to a trailing edge of the wind turbine rotor blade.18. The rotor blade element as claimed in claim 16 , wherein the first surface comprises a curvature and/or the suction side surface portion comprises a curvature and/or the contact surface comprises a curvature.19. The rotor blade element as claimed in claim 16 , wherein the rotor blade element comprises elastic material.20. The rotor blade element as claimed in claim 16 , wherein the rotor blade element comprises plastic material and/or thermoplastic material and/or a composite structure.210410. The rotor blade element as claimed in claim 16 , wherein the rotor blade element has a length of between . m and . m.22. The rotor blade element as claimed in claim 16 , wherein the rotor blade element comprises a double-sided adhesive tape for fixing the rotor blade element to the rotor blade.23. The rotor blade element as claimed in claim 16 , wherein the rotor blade element comprises a serrated trailing edge.24. The rotor blade element as claimed in claim 16 , wherein the ...

DE-LAMINATION INDICATOR

An indicator device for detecting a delamination of a composite material, including detecting a delamination of a composite material of a wind turbine or a wind turbine rotor blade is provided. The indicator device includes: A first part, a second part and an electric circuit. Therein, the first part comprises at least a part of a lower part of the electric circuit. The second part comprises at least a part of an upper part of the electric circuit. And the lower part and the upper part are electrically connected to each other at a predetermined breaking point forming the electric circuit in such a manner, that when the indicator device is in use in a composite material, if a delamination of the respective composite material occurs, the electric connection between the lower part and the upper part breaks at the predetermined breaking point, thus cutting the electric circuit. 2. The indicator device as set forth in claim 1 , whereinthe lower part of the electric circuit is fixed to a bottom part of the first part.3. The indicator device as set forth in claim 1 , whereinthe upper part of the electric circuit is fixed inside the second part.4. The indicator device as set forth in claim 1 , whereinthe second part comprises an electrical connection of the electric circuit, wherein the electrical connection is adapted for being connected to an external monitoring system.5. The indicator device as set forth in claim 1 , whereinthe electric circuit acts a shunt.6. The indicator device as set forth in claim 1 , whereinwhen the indicator device is in use in the composite material, if a displacement of two layers of the respective monitored composite material relative to each other occurs, the electric connection between the lower part and the upper part breaks at the predetermined breaking point, thus cutting the electric circuit.7. The indicator device as set forth in claim 6 , whereinthe displacement is caused by a shear stress in a parallel plane to a boundary plane between ...

FOUNDATION BUILDING SYSTEM FOR AN OFFSHORE WIND TURBINE AND METHOD FOR INSTALLATION OF AN OFFSHORE WIND TURBINE

Provided is a foundation building system for an offshore wind turbine, whereby a monopile is configured to be placed on the seabed, having an upper portion) with a first attachment interface for attaching a foundation platform unit, at least one internal, second attachment interface in an interior cavity of the monopile for attaching at least one electrical platform unit, and a third attachment interface for attaching a tower of the offshore wind turbine atop the at least one electrical platform unit, wherein the upper portion is to be placed at least partly above sea level, the foundation platform unit providing at least one foundation platform extending around the tower when installed, and the at least one electrical platform unit comprising at least one platform for electrical equipment for guiding and/or connecting of an connection cable for connecting the offshore wind turbine. 1. A foundation building system for an offshore wind turbine , comprising:a monopile to be placed on a seabed, having an upper portion with a first attachment interface for attaching a foundation platform unit, at least one internal, second attachment interface in an interior cavity of the monopile for attaching at least one electrical platform unit, and a third attachment interface for attaching a tower of the offshore wind turbine atop the at least one electrical platform unit, wherein the upper portion is configured to be placed at least partly above sea level;wherein the foundation platform unit provides at least one foundation platform extending around the tower when installed;wherein the at least one electrical platform unit includes at least one platform for electrical equipment for guiding and/or connecting of a connection cable for connecting the offshore wind turbine.2. The foundation building system according to claim 1 , wherein at least one of the first attachment surface claim 1 , the at least one internal claim 1 , second attachment interface claim 1 , and the third ...

Rotor blade element and method for improving the efficiency of a wind turbine rotor blade

Rotor blade element and method for improving the efficiency of a wind turbine rotor blade

Rotor blade element and method for improving the efficiency of a wind turbine rotor blade. A rotor blade element (40, 50, 60) adapted for mounting on a wind turbine rotor blade (5) is described. The wind turbine rotor blade (5) comprises a trailing edge (21), a suction side (33) and a pressure side (35). The blade element (40, 50, 60) comprises a trailing edge (46, 56), a first surface (41) and a second surface (42). The first surface (41) forms a pressure side surface portion. The second surface (42) comprises a suction side surface portion (43) and a contact surface (44).

Method of optimising a wind park construction

The invention describes a method of optimising a wind park construction, which wind park (2) comprises at least a first wind turbine (4) and a second wind turbine (6, 6'), wherein a first blade topology (44) is selected for the first wind turbine (4) depending on a noise optimisation parameter which is measured and/or predicted at a reference position (24) at a distance (D) from the wind park (2), and a second blade topology (46) is selected for the second wind turbine (6, 6') depending on an energy efficiency optimisation parameter. The invention also describes a wind turbine (4, 6, 6') for such a wind park (2) and a wind park (2) comprising at least such a first wind turbine (4) and a second wind turbine (6, 6').

De-lamination indicator

It is described an indicator device (100) for detecting a delamination of a composite material (200), preferably for detecting a delamination of a composite material (200) of a wind turbine, more preferably for detecting a delamination of a composite material (200) of a wind turbine rotor blade, the indicator device (100) comprising: A first part (110), a second part (120) and an electric circuit (130). Therein, the first part (110) comprises at least a part of a lower part (131) of the electric circuit (130). The second part (120) comprises at least a part of an upper part (132) of the electric circuit (130). And the lower part (131) and the upper part (132) are electrically connected to each other at a predetermined breaking point (133) forming the electric circuit (130) in such a manner, that when the indicator device (100) is in use in a composite (200) material, if a delamination of the respective composite material (200) occurs, the electric connection between the lower part (131) and the upper part (132) breaks at the predetermined breaking point (133), thus cutting the electric circuit (130).

ROTOR HEATING ELEMENT AND METHOD OF IMPROVING THE EFFECTIVENESS OF A WINDOW ROOM ROTARY