摘要:
A structure of a floating, semi-submersible wind turbine platform is provided. The floating wind turbine platform includes three elongate stabilizing columns, each having a top end, a keel end, and an outer shell containing an inner shaft. Each stabilizing column further includes a water entrapment plate. The floating wind turbine platform also includes three truss members, each truss member including two chord members and two diagonal members. The truss members connect the stabilizing columns to form a triangular cross-section. An elongate wind turbine tower is disposed over the top end of one of the three stabilizing columns.
摘要:
Inter-array cable (IAC) assemblies, systems, and methods are disclosed in which a conductive cable between two floating platforms, e.g., floating wind turbine platforms, is suspended below the sea surface and above the seabed. One or more buoyancy sections are included in the cable, which reduces the static tension on the connection at the floating platform by reducing the suspended cable weight, and which provides geometric flexibility, allowing the IAC to comply with platform motions.
摘要:
A method for controlling an inclination of a floating wind turbine platform to optimize power production, or to reduce loads on the turbine, tower, and platform, or both, includes receiving data associated with the inclination of the floating wind turbine platform and wind speed and direction data. An angle of difference between the turbine blade plane and the wind direction is determined, where the angle of difference has a vertical component. A platform ballast system is then caused to distribute ballast to reduce the vertical component to a target angle chosen to optimize power production, or reduce turbine, tower, and platform loads, or both.
摘要:
A floating connector of an offshore energy device and a method for connecting the floating connector is provided. The floating connector includes a buoy having a tube, a bay, a joint box, and at least one cable for connecting to the offshore energy device. The buoy provides buoyancy to the floating connector and includes the tube and bay. The bay houses the joint box, which electrically couples the at least one cable to each other and to a switchgear of the offshore energy device.
摘要:
A floating connector of an offshore energy device and a method for connecting the floating connector is provided. The floating connector includes a buoy having a long spar like floater, where the buoy provides buoyancy to the floating connector. The floating connector further includes at least two cables for connecting to the offshore energy device. The floating connector also includes a joint box for coupling to the offshore energy device and for providing an electrical connection of the at least two cables to a switchgear of the offshore energy device. When the joint box is coupled to the offshore energy device, an electrical circuit with the at least two cables is completed through the offshore energy device via the switchgear.
摘要:
A method for controlling an inclination of a floating wind turbine platform Position data associated with an orientation of the floating wind turbine is received. A heel angle in reference to the floating wind turbine platform is determined based on the position data. A first signal for adjusting at least one of a blade pitch of a set of turbine blades and a torque of a generator is sent based on the determined heel angle. A second signal for distributing ballast among at least three stabilizing columns is also sent. The second signal for distributing the ballast is based on the determined heel angle and the first signal. The first and second signals may be adjusted to account for startup and shutdown procedures and for future changes to wind speed and velocity.
摘要:
A floating wind turbine platform includes at least three stabilizing columns, where each stabilizing column has an internal volume for containing ballast. The floating wind turbine platform also includes a tower having mounted in vertical alignment over one of the columns, a turbine rotor coupled to an electrical generator mounted proximate to the upper end of the tower, main beams interconnected to the stabilizing columns, and water-entrapment plates attached to the lower ends of the stabilizing columns. The floating wind turbine platform further includes a ballast control system including an alignment sensor configured to detect a rotation of the tower, and a controller coupled to the alignment sensor for directing a transfer of the ballast from an internal volume of one column to another column upon the alignment sensor detecting rotation of the tower to adjust a vertical alignment of the tower.
摘要:
A mooring system for a semi-submersible platform includes buoyancy structures for providing buoyancy to the semi-submersible platform, mooring lines connected to the buoyancy structures, and anchors embedded in the sea floor that are connected to the mooring lines. At least one-half of the mooring lines are attached to one of the buoyancy structures. A ballast control system for a wind turbine platform includes a sensor that is configured to detect a rotation of a wind turbine and a controller that is configured to direct a transfer of ballast to correct the of the wind turbine.
摘要:
A method for controlling an inclination of a floating wind turbine platform to optimize power production, or to reduce loads on the turbine, tower, and platform, or both, includes receiving data associated with the inclination of the floating wind turbine platform and wind speed and direction data. An angle of difference between the turbine blade plane and the wind direction is determined, where the angle of difference has a vertical component. A platform ballast system is then caused to distribute ballast to reduce the vertical component to a target angle chosen to optimize power production, or reduce turbine, tower, and platform loads, or both.
摘要:
A method for controlling an inclination of a floating wind turbine platform to optimize power production, or to reduce loads on the turbine, tower, and platform, or both, includes receiving data associated with the inclination of the floating wind turbine platform and wind speed and direction data. An angle of difference between the turbine blade plane and the wind direction is determined, where the angle of difference has a vertical component. A platform ballast system is then caused to distribute ballast to reduce the vertical component to a target angle chosen to optimize power production, or reduce turbine, tower, and platform loads, or both.