5 results about "Tension-leg platform" patented technology

The utility model belongs to the field of offshore wind power, and discloses a tension leg platform system with a tendon balancing device, which comprises a tension leg platform, a plurality of tendons are annularly distributed on the periphery of the lower end of the tension leg platform, and the lower ends of the tendons are connected with a suction cylinder, and is characterized in that the tension leg platform is connected with the tendons through the tendon balancing device; the tendon balancing device comprises a telescopic assembly and a driving assembly, the telescopic assembly comprises a telescopic fixed part and a telescopic movable part which are in telescopic sliding fit, the telescopic fixed part is connected with the tension leg platform, the telescopic movable part is connected with the tendon, and the driving assembly drives the telescopic movable part to stretch out and draw back relative to the telescopic fixed part. According to the tension leg platform, the stress of the tendons is dynamically adjusted through the tendon balancing device, the stress state of the platform is adjusted in real time, and the problem of inclination and vibration caused by environmental factors such as wind waves and flow is solved.

This invention discloses a modular offshore wind turbine tension leg foundation structure and its construction method, aiming to provide a modular offshore wind turbine tension leg foundation structure and its construction method that can effectively reduce the cost of offshore wind power projects and the installation risk of tension leg foundation structures, while effectively shortening the construction time. A modular offshore wind turbine tension leg foundation structure includes: a platform body, including a central column and several buoys evenly distributed around the central column, the central column and each buoy being connected as a whole by a support; a suction cylinder foundation module, including several suction cylinders, each suction cylinder being connected as a whole by a connecting beam; a tension leg mooring module, including several mooring devices, each mooring device including a mooring cable and a mooring cable deployment and retrieval device located on the platform body, the lower end of the mooring cable being connected to the suction cylinder foundation module; the mooring cable deployment and retrieval device can release the mooring cable, allowing the suction cylinder foundation module to separate from the platform body and be lowered to the seabed.

This invention provides a gravity-based multi-tension-leg floating wind turbine platform, comprising: a wind turbine and its tower, a buoyancy chamber, a tensioning mooring system, and a gravity foundation. The wind turbine and its tower are mounted on top of the buoyancy chamber; the buoyancy chamber is connected to the gravity foundation arranged on the seabed via the tensioning mooring system to form a tension leg restraint system. The tensioning mooring system, by significantly increasing the number and rationally distributing the cables, distributes the platform's tension under the influence of wind, waves, and currents among more tensioning components, thereby reducing the tensile force and fatigue load requirements of a single tensioning mooring member and its end connecting components, and reducing the engineering implementation difficulty caused by excessive stress on the tension legs. The gravity foundation is fixed to the seabed by its own weight, eliminating the need for piling operations required for traditional tension-leg platforms, significantly reducing the difficulty and cost of offshore construction.

The application relates to the technical field of offshore wind power generation, in particular to a buoyancy adjusting system and method suitable for a tension leg platform. The system comprises a tension leg platform and a plurality of buoyancy adjusting components. The buoyancy adjusting component comprises a rigid outer wall, a flexible inner wall, a plurality of bionic contraction units, a flow guide unit, a central control unit and an inclination measuring unit. The flexible inner wall is nested on the inner side of the rigid outer wall, and a water cabin is formed inside. The inclination measuring unit is used for detecting the inclination angle of the water cabin corresponding direction. The plurality of bionic contraction units are arranged inside the water cabin and are used for being contracted or expanded under the control of the central control unit. The central control unit is used for controlling the water filling state or the water discharging state of the flow guide unit and the contraction state or the expansion state of the bionic contraction unit according to the inclination angle. The above technical scheme can improve the response speed and the adjusting precision of the tension leg platform buoyancy adjustment.