369 results about "Floating wind turbine" patented technology

The invention provides a strong nonlinear simulation method and device suitable for a large floating fan, and the method comprises the steps: dividing a target floating fan into a plurality of body structures according to the model parameters of the target floating fan, so as to construct a multi-body model containing a plurality of degrees of freedom, and building a whole machine load and a motion transmission path; the aerodynamic load input of each body structure is calculated, and the nonlinear dynamic response of the blade is calculated according to the aerodynamic load input of each body structure; according to the coordinate transformation relation, the nonlinear dynamic response of the blade is converted into a whole coordinate system and input into a multi-body dynamic model of the whole machine, generalized active force and generalized inertia force of each body structure in the target floating type draught fan are obtained through calculation, and the motion response of each body structure of the target floating type draught fan is obtained through simultaneous solution. According to the scheme, the motion response of each body structure of the target floating fan can be accurately determined, so that the running state of the floating fan in the deep and far sea complex environment can be accurately evaluated.

The invention relates to the technical field of floating type wind turbine generator operation, and discloses an evaluation method and device for coupling response characteristics of offshore wind regimes and floating type draught fans, and the method comprises the steps: obtaining sea area meteorological observation data corresponding to a target floating type draught fan, and calculating offshore wind regime data based on the sea area meteorological observation data corresponding to the target floating type draught fan; wherein the offshore wind regime data comprises a sea level roughness coefficient and a vertical wind shear coefficient, obtaining a target floating fan equipment parameter, constructing a floating fan simulation model based on the target floating fan equipment parameter, and finally performing coupling response characteristic evaluation by using the floating fan simulation model based on the offshore wind regime data. And obtaining an evaluation value of the coupling response characteristics of the offshore wind regime and the floating fan. According to the method, the response characteristics of the floating fan under the influence of the offshore wind condition are effectively evaluated, and a data basis is provided for ensuring the safe operation of the floating fan.

The invention discloses a marine gangway ladder preset time autonomous lap joint control system and a working method thereof. The system comprises an inertial measurement unit and a main control computer; the binocular camera is adopted, multi-sensor fusion is not needed, accurate lap joint point position information is directly obtained, and the method is simple and easy to implement; according to the provided preset-time autonomous lap joint control method, the system adjusting time can be set in advance, and operation and maintenance ship movement caused by waves is efficiently compensated by driving the swing mechanism, the pitching mechanism and the telescopic mechanism to cooperatively move, so that the front end of the offshore gangway ladder accurately follows the expected position of an upper lap joint point in time; the offshore accommodation ladder is lapped to the offshore wind turbine platform within the set lapping time, so that efficient and autonomous lapping of the offshore accommodation ladder and the offshore fixed or floating wind turbine platform is ensured, and the lapping efficiency is improved; the front end of the offshore gangway ladder is in non-contact lap joint with the lap joint point of the offshore wind turbine platform, no special requirement for the lap joint point exists, a landing device does not need to be built, and the maintenance and manufacturing cost of the gangway ladder is reduced.

The invention relates to the technical field of wind power generation, and discloses a variable-pitch control method, device, equipment and product for a floating type wind turbine generator. A wind turbine generator model is constructed by comprehensively considering multiple factors such as aerodynamics, hydrodynamics and mooring dynamics, and a gain scheduling control model is introduced into a preset PI control method; the method can adapt to different working conditions, effectively overcomes the limitation of the traditional PID control in the complex dynamic environment of the floating wind turbine generator, reduces the power fluctuation, and reduces the structure resonance risk. A preset platform pitching value is introduced into expert PID control, and Kohmann coordinate transformation is combined, so that the negative damping problem of a unified variable-pitch floating type fan is solved, and accurate distribution of control signals is realized. And finally, through the control combination of unified variable pitch and independent variable pitch, the pitching amplitude is reduced, the blade load is reduced, the stability and safety of the floating type wind turbine generator are remarkably improved, and reliable operation of the generator is guaranteed.

The invention discloses a wind tunnel-pool combined loading floating fan distributed hybrid test method, which comprises the following steps of: establishing a floating fan multi-body / multi-physical field collaborative reduced scale criterion, dividing a floating fan into two independent physical models and two independent numerical models, and placing the two independent physical models and the two independent numerical models in different laboratories; integrating a physical model, a numerical model, a loading system and a measurement system, and building a floating fan physical-numerical distributed hybrid test platform; and carrying out data interaction and closed-loop control on the physical-numerical hybrid test platform. A fan and a floating platform are adopted as two relatively independent test substructures, test loading or computer simulation can be carried out in different laboratories by establishing different similarity criteria and geometric scale ratios, a collaborative online test and pneumatic-hydrodynamic load loading under the coupling action of wind, waves and flow are carried out through network interaction data, and the test efficiency is improved. The technical problems of environment load high-precision simulation and dynamic coupling response in a reduced scale model test are solved.

The invention discloses a floating fan numerical simulation method based on a cross-scale typhoon modeling algorithm, and aims to solve the problems that a typhoon unsteady-state wind field cannot be accurately simulated and the influence of the typhoon unsteady-state wind field on the coupling dynamic response of a floating fan cannot be accurately simulated in the prior art. The method comprises the following steps: firstly, dividing the whole typhoon process into a plurality of typical stages according to meteorological characteristics; for each stage, calculating a time-varying average wind field by adopting a parameterized mesoscale typhoon model, and embedding a three-dimensional turbulence component generated based on a microscale turbulence model to generate a high-fidelity stage wind field file; integrating the wind fields of all stages into a complete and continuous unsteady typhoon wind field input file by using a splicing algorithm; and finally, inputting the wind field file into a pneumatic-hydrodynamic-servo-elastic coupling simulation platform OpenFAST, and carrying out full-coupling dynamic response analysis on the floating fan. According to the method, the prediction precision of the load and motion response of the floating fan system under the extreme typhoon working condition is improved, and a reliable method is provided for typhoon resistance design and safety evaluation of the floating fan.

The invention discloses a floating fan aerodynamic load real-time mixing test method and system based on AI enhancement, and the method comprises the steps: calculating the six-degree-of-freedom motion information of a floating foundation through a numerical calculation model based on a real-time floating foundation kinetic equation; the method comprises the following steps: carrying a reduced-scale fan model on a six-degree-of-freedom motion platform, placing the six-degree-of-freedom motion platform on a wind tunnel atmospheric boundary layer, controlling the six-degree-of-freedom motion platform based on floating foundation six-degree-of-freedom motion information, driving the reduced-scale fan model to move, generating an aerodynamic load in a simulated wind environment, measuring an original load signal, and correcting the original load signal. Synchronously recording the actual pose of the six-degree-of-freedom platform; and AI correction is carried out on the corrected load signal and the actual pose of the six-degree-of-freedom platform to obtain a net aerodynamic load, the net aerodynamic load is fed back to the numerical calculation model, and closed-loop updating is carried out to realize coupling circulation. According to the method, the problem of interaction between numerical values and physical boundaries is solved, and the test precision of the large floating fan under the complex environment load can be remarkably improved.

The invention belongs to the technical field of offshore wind power, and particularly discloses a floating type fan foundation platform capable of absorbing wave flow energy, which comprises a middle buoy and a plurality of outer buoys annularly distributed on the peripheral side of the middle buoy, and the outer buoys are fixedly connected with the middle buoy through connecting beams; each buoy is movably connected with an energy absorption bracket, and the energy absorption bracket comprises a middle sleeve arranged on the middle buoy in a sleeving manner, an outer sleeve arranged on the outer buoy in a sleeving manner, and a supporting rib plate fixedly connected with the middle sleeve and the outer sleeve; an electromagnetic coil is sealed in the outer sleeve, a permanent magnet is fixed in the outer buoy, and the electromagnetic coil and the permanent magnet are matched to be used for converting reciprocating motion kinetic energy of the energy absorption support into electric energy; the energy-absorbing buoy sleeves the periphery of the middle buoy and is positioned at the bottom of the energy-absorbing bracket; and the energy-absorbing buoy is used for driving the energy-absorbing bracket to reciprocate along the axial direction of the middle buoy. The stability of the platform in a complex marine environment is remarkably improved, the influence of vortex-induced vibration and large-amplitude motion on the draught fan is reduced, wave and water flow energy can be recycled, and electric power is generated.

The present invention relates to the field of marine technology and engineering, and in particular to a floating wind power platform attitude control system. The present invention effectively controls the attitude of the floating wind power platform through the mutual cooperation between a measurement system, a control system, and a platform attitude control system, thereby providing good protection for the safe and stable operation of the floating wind turbine. At the same time, the platform attitude control system is provided with a second tidal energy power generation system to provide electrical energy for the electrical connection between the various systems, without additionally consuming the energy of the floating wind turbine, thereby improving resource utilization.

The invention relates to the technical field of offshore wind power equipment, and discloses an offshore floating type wind turbine mooring system optimization method based on a proxy model, and the method comprises the following steps: S1, determining key design parameters; s2, sampling to generate design points; s3, establishing a total index function of multi-target coupling; s4, generating a sample database through numerical simulation; s5, constructing an agent model by using a Kriging method; s6, calling the proxy model to search an optimal solution by adopting a differential evolution algorithm; s7, performing numerical simulation verification on the optimal solution and judging convergence; and S8, if not, updating the database and returning to S5 for iteration, and if so, outputting the optimal configuration. According to the method, the problems that a traditional optimization method is high in simulation calculation cost and too long in consumed time are solved, searching is carried out through the proxy model instead of high-precision simulation, the verification iteration step is combined, the optimization efficiency is greatly improved while the result accuracy is guaranteed, and the multi-target mooring scheme with the optimal comprehensive performance can be efficiently obtained.

The disclosure relates to a floating wind turbine platform, comprising: a substantially triangular hull configurable to support a wind turbine tower; the hull comprising a first, second and third column, the first, second and third columns being connected by a first, second and third pontoon member, as well as by a first, second and third connector.

The invention provides a multi-chain bidirectional load-bearing suction anchor foundation structure which comprises an annular barrel wall, a barrel top cover plate is arranged at the top of the annular barrel wall, an in-barrel reinforcing structure is arranged in the annular barrel wall, a plurality of anchor eye units are arranged on the outer side of the annular barrel wall, and each anchor eye unit comprises anchor eye structures symmetrically arranged on the annular barrel wall. The anchor eye structure in each anchor eye unit is of a double-anchor-eye structure or a single-anchor-eye structure, and the included angles between the adjacent anchor eye structures on the annular barrel wall are equal. The invention provides a one-anchor multi-chain bidirectionally-loaded shared anchoring foundation, the bearing capacity of the anchoring foundation is effectively exerted, the cost of a mooring system is reduced, and a new choice of the anchoring foundation is provided for floating type wind power.

The invention discloses an aerodynamic load loading method, device and equipment and a medium, relates to the technical field of ocean engineering, is applied to a processor, and comprises the following steps: receiving scale motion data currently acquired by a scaling model of a floating wind turbine generator, and amplifying the scale motion data to obtain full-scale motion data; determining a first expected aerodynamic load borne by the floating wind turbine generator based on the full-size motion data; reducing the first expected aerodynamic load to obtain a second expected aerodynamic load borne by the scaling model; decomposing the second expected aerodynamic load into output thrust of each propeller in the loading device, and converting the output thrust into a PWM control signal; the loading device regulates and controls the rotating speed of each propeller based on the PWM control signal, and loads a target aerodynamic load generated by rotation to the scaling model; and skipping to the step of receiving the scale motion data again until a preset stop condition is met. And the loading of the aerodynamic load on the scale model is accurately realized.

The invention discloses an intelligent control type floating fan system for extreme sea conditions. The system is composed of a sensing layer, a risk identification layer, a control decision layer, an adaptive learning module and a structure response layer. The sensing layer obtains wind speed, wave height, attitude inclination angle and anchoring tension, and calculates disturbance indexes; the risk identification layer generates a risk index by using a Sigmoid function; the control decision-making layer outputs connecting rod compression, air bag release and thruster thrust instructions according to the control decision-making layer; and the adaptive learning updates the weight according to the action deviation. The structure response layer comprises a carbon fiber adjustable connecting rod, a multi-cavity air bag provided with an air storage tank and a high-speed valve, a multi-direction vector propeller and a modularized interlocking floating body. According to the system, rapid risk identification and linkage control are realized, and the steady state and risk avoiding capability of the platform are improved.

The invention belongs to the field of wind power, and discloses a floating wind turbine generator thrust constraint robust adaptive pitch control method, which comprises the following steps: establishing a floating wind turbine generator nonlinear model considering coupling between rotor rotation dynamics and platform pitching motion; setting a control target based on comprehensive consideration of power adjustment, platform stability and limit load constraint; designing a self-adaptive propeller pitch control method based on a fast self-adaptive law; and designing a thrust envelope protection system based on thrust limit detection and a self-adaptive thrust avoidance strategy, and integrating the thrust envelope protection system into the self-adaptive pitch control method, so that the wind turbine generator can operate within an allowable thrust range. The self-adaptive propeller pitch control method can achieve efficient power adjustment and platform pitching motion suppression at the same time, is superior to a traditional method in the aspects of transient response and robustness, and is particularly suitable for the severe marine environment.

The invention provides a shared mooring double-impeller floating type draught fan photovoltaic integrated power generation field, and belongs to the field of offshore wind power and photovoltaic technologies, the shared mooring double-impeller floating type draught fan photovoltaic integrated power generation field comprises floating type draught fan photovoltaic integrated units, and a plurality of floating type draught fan photovoltaic integrated units are arranged, combined and connected to form a floating type draught fan photovoltaic array; the floating type fan photovoltaic integrated unit comprises a double-impeller fan platform, three photovoltaic power generation platforms and a shared mooring anchor point, the fan platform is connected with the three photovoltaic power generation platforms through two connecting mooring ropes, and the photovoltaic power generation platforms are distributed in a triangular shape around the double-impeller fan platform; the two connecting cables of the adjacent floating type fan photovoltaic integrated units are fixed on a shared mooring anchor point; the adjacent double-impeller fan platforms are connected through cables. Wind energy and solar energy resources in deep and far sea areas can be fully utilized, the sea area is effectively reduced, the development cost of a power generation system is reduced, and the energy utilization efficiency is improved.

The utility model discloses a tension leg floating type wind power platform pile foundation connecting device, and relates to the technical field of tension leg floating type wind power platform mooring connection, the tension leg floating type wind power platform pile foundation connecting device comprises a bottom connecting mechanism and a steel cable protection mechanism, the bottom connecting mechanism comprises a welding back plate, and a tongue plate is arranged on the welding back plate; the upper end of the tongue plate is connected with a steel cable joint through a pin shaft, a steel cable is connected to the steel cable joint, and the two ends of the tongue plate are locked and fixed through locking mechanisms respectively. The steel cable protection mechanism is located on one side of the pile foundation, and the steel cable is placed on the steel cable protection mechanism after being connected and used for preventing the steel cable from being bent and damaged when the steel cable is pre-laid to the seabed. The device is simple in structure, reliable in performance, convenient to operate and capable of adapting to underwater rapid connection, only one ROV is needed for auxiliary operation in the whole operation process, the tie-back installation process of the mooring rope and the anchoring device of the tension leg wind power platform is simplified, and the mooring and installation cost of the tension leg wind power platform is reduced.

The invention discloses a wave pitching motion control method and system for an offshore floating type wind turbine generator, and belongs to the technical field of offshore wind power equipment control. The method comprises the following steps: signal acquisition: acquiring unit operation state, marine environment and pitching motion state parameters in real time; wave load prediction: predicting a future wave load based on the improved LSTM neural network model; evaluating a pitching motion state, pre-judging a motion trend through a kinetic model, and judging whether the motion trend exceeds a safety threshold value or not; cooperative control instruction generation: generating cooperative control instructions for fine tuning of a variable pitch angle, a generator torque and a cabin yaw angle based on an MPC algorithm; and control execution and feedback correction: driving an execution mechanism to act and dynamically correcting a control instruction. By accurately predicting the wave load, cooperatively adjusting multiple controllable components and dynamically correcting, efficient and accurate suppression of pitching motion is achieved, and the unit operation stability, the wind energy capturing efficiency and the equipment safety are improved.

A floatable foundation (100) for a wind turbine generator and / or electrical equipment (61), the foundation (100) comprising: a central column structure (10,11,12); at least three outer column members (20,21,22) disposed about the central column structure (10,11,12); at least three horizontally extending lower connection members, such as pontoon members (30,31,32), each horizontally extending lower connection member fixed to and extending between the central column structure (10,11,12) and a respective one of the at least three outer column members (20,21,22); and three horizontally extending upper connection members, such as beam members (40,41,42), each horizontally extending upper connection member fixed to and extending between the central column structure (10,11,12) and a respective one of the at least three outer column members (20,21,22), wherein each column member (20,21,22) comprises a ballast tank (81) configured for holding water ballast and the ballast tank (81) vertically spans a design waterline (91) of the respective column member (20,21,22).

The invention belongs to the technical field of offshore wind power. According to the TLP floating type draught fan for the shallow sea and the stabilization control method, a draught fan body is fixed to a steel tower, the steel tower is fixedly connected to a truss type tower barrel, the bottom of the truss type tower barrel is connected with a plurality of height-variable floating barrels, and adjustable tension keys are connected to the bottoms of the height-variable floating barrels; the height-variable buoy comprises an inner barrel and an outer barrel, the inner barrel is located in the outer sleeve, and the jacking mechanism is arranged at the bottom in the outer barrel to drive the inner barrel to move up and down; a damping bin is arranged in the inner cylinder, the outer side wall of the damping bin is connected with the inner side wall and the inner bottom wall of the inner cylinder through elastic pieces, and the damping bin is connected with a liquid supply device through a pipeline so as to increase liquid when the floating body exceeds a set angle; wherein the floating body is a combined body of a plurality of height-variable floating barrels; the overall load is reduced while the supporting strength is guaranteed, and the device adapts to the limited water depth working condition of the shallow sea.

The application discloses a sea floating type wind turbine generator foundation mooring system, which comprises an anchoring foundation, a mooring system, a floating body foundation and an upper wind turbine; the mooring system comprises a bottom section mooring chain, an intermediate mooring cable and an upper section mooring chain; the length of the intermediate mooring cable is greater than the straight line connecting distance between the bottom section mooring chain and the upper section mooring chain, and the tension adjustment of the intermediate mooring cable is realized through the buoyancy effect, so as to realize the effective connection between the anchoring foundation and the floating body foundation; the anchoring foundation is connected with the bottom section mooring chain of the mooring system; the bottom section mooring chain is connected with the intermediate mooring cable; the intermediate mooring cable is connected with the upper section mooring chain; the upper section mooring chain is connected with the floating body foundation; the upper wind turbine is installed on the upper foundation; the whole mooring system does not use high-cost equipment such as tensioners, and the relatively expensive tensioner product cost and the cost of large ship machine equipment used for using the tensioner are saved through the buoyancy.

A system and method for assisting a drag operation of a floating wind turbine (FWT) is disclosed. The FWT is provided with a wireless communication system and at least one position sensor for measuring the position of the FWT in at least three degrees of freedom. The main towing vessel is connected to the floating wind turbine by a towing line. The main dragging ship comprises a winch, a DP system and a two-way wireless communication system. A drag assist system / module / controller may be combined with a DP system. The one or more auxiliary drag vessels are connected to the floating wind turbine by drag lines. And one or more auxiliary dragging ships are provided with a two-way wireless communication system. A drag assist system / module / controller calculates setpoints (forces and directions) for all drag ships based on one or more input parameters from the floating wind turbine, one or more input parameters from each auxiliary drag ship, and one or more input parameters from the main drag ship.

The invention provides a mooring failure prediction method, device and equipment based on a floating type wind turbine, and belongs to the technical field of floating type wind turbines.The method comprises the steps that platform data of the floating type wind turbine and environment data of the environment where the floating type wind turbine is located are obtained; analyzing the platform data, and constructing a platform numerical simulation model of the floating wind turbine; splitting the environmental data, and extracting key environmental parameters of each environmental parameter type; on the basis of the key environment parameters, motion change information and mooring force change information of the floating wind turbine are predicted through a platform numerical simulation model and a motion mooring prediction model; according to the method, the mooring failure evaluation strategy is used for carrying out anomaly evaluation on the motion change information and the mooring force change information, a mooring failure evaluation result of the floating type wind turbine is generated, and the accuracy of motion response prediction of the floating type wind turbine is effectively improved.

The invention provides a floating fan active ballast system and a control method thereof. The system comprises a sensing module, a control module, an execution module, a power supply module, a shore-based remote control module and a communication module. The sensing module collects platform attitude and in-cabin liquid level data in real time through a multi-redundancy sensor; the control module adopts a triple-redundancy architecture and generates a load adjusting instruction in combination with an intelligent algorithm; the execution module realizes accurate allocation of ballast water through cooperative operation of a redundant water pump and a valve; the power supply module adopts a dual-power design to ensure continuous power supply; the shore-based remote control module realizes remote monitoring and maintenance; the communication module guarantees data interaction and instruction transmission. The single-point fault resistance of the system is improved through multi-redundancy design, high-precision and quick-response attitude adjustment is realized by combining intelligent and adaptive control, and meanwhile, multiple operation modes are integrated, so that the reliability and safety of the system in a complex marine environment are ensured.

The present invention discloses a floating wind turbine foundation and wind turbine equipment. The floating wind turbine foundation includes at least one floating body unit, which includes an annular floating body and a sway reduction plate assembly. The sway reduction plate assembly includes at least two sway reduction plates arranged vertically. The sway reduction plates are provided with a plurality of first flow-disrupting holes. The first flow-disrupting holes penetrate the sway reduction plates along their thickness. The first flow-disrupting holes of two adjacent sway reduction plates are vertically staggered. The topmost sway reduction plate is connected to the annular floating body. The upper surface of the topmost sway reduction plate and the inner peripheral wall of the annular floating body enclose a receiving groove. The present invention can effectively reduce the shaking and heaving amplitude of the wind turbine foundation, improve the stability of the wind turbine foundation, and improve the anti-overturning effect.

The invention provides an environment monitoring system suitable for an offshore floating type wind turbine generator platform. A data acquisition module is used for acquiring air turbulence and hydrodynamic environment parameters around the offshore floating type wind turbine generator platform in real time; the data transmission module is used for transmitting the collected data to the data preprocessing module; the data preprocessing module is used for cleaning and normalizing the received data; the data fusion module is used for carrying out integration and correlation analysis on the preprocessed multi-source data; the intelligent analysis module is used for performing depth calculation and model reasoning based on the fused data; the early warning decision module is used for generating an early warning signal and a control suggestion according to the intelligent analysis result; the display module is used for displaying the monitoring result and the early warning information in a visual mode; the control feedback module is used for converting the control suggestion into a control instruction and sending the control instruction to a wind turbine generator control system, and synchronous monitoring and intelligent processing of the turbulence and hydrodynamic environment of the offshore floating type wind turbine generator platform are achieved by constructing a complete monitoring system.

The invention relates to an offshore wind-fish fusion platform for intensive sea use. The offshore wind-fish fusion platform comprises a semi-submersible foundation platform, a gravity type culture net system and an intelligent culture management system, the semi-submersible foundation platform is composed of a floating fan platform, an anchor chain and a shared suction anchor, and the anchor chain is connected between the floating fan platform and the shared suction anchor; the gravity type breeding net system comprises tension leg mooring systems and a breeding net, the breeding net is of an annular structure, the tension leg mooring systems are arranged on the breeding net at intervals and used for fixing the breeding net, the shared suction anchors are connected with the bottoms of the tension leg mooring systems, and the connecting points are arranged at the bottom of the breeding net in a surrounding mode. And the semi-submersible foundation platform is arranged at the central position of the gravity type culture net system. The utilization rate of the ocean is improved.

The present invention relates to a floating wind turbine generator (WTG) foundation for a floating WTG system, the floating WTG foundation comprising: a floater having a generally cylindrical shape, wherein the floater defines a vertical axis, the floater comprising ballast at a lower end thereof, an upper projection extending upward from the floater, the upper projection having a smaller cross-section than the floater, at least three anchors which are connected to the seabed, at least three tendon assemblies, each tendon assembly extending between one of the anchors and a respective mounting position on the floater.

The utility model discloses a floating type draught fan platform which comprises a buoy temporarily supported on a supporting column, the buoy is connected with the draught fan platform through a vertical steel cable, during construction, after a draught fan is provided with part of components, the draught of the floating type draught fan platform is increased, the buoy is emptied to provide vertical buoyancy, part of the weight of the draught fan is offset, and after the draught fan is hoisted, the buoy is connected with the draught fan platform through the vertical steel cable. The method comprises the following steps: dragging a floating fan platform to a deepwater area, injecting water into the platform to sink in the deepwater area, injecting water into the buoy to sink, and after the buoy is supported on a supporting structure of the platform, releasing a vertical connecting steel cable of the buoy and the platform, draining ballast water of the buoy, floating the buoy, separating from the platform, assisting in displacement of the buoy, and finishing installation of the fan. Construction is completed under the condition that the water depth of a wharf is insufficient by combining the separated floating cylinder with the fan platform.

A floating wind turbine foundation (100) and a wind turbine generator. The floating wind turbine foundation (100) comprises a floating main body (1) and a bending-moment compensation device (2). The floating main body (1) comprises a first upright column (11) and a plurality of floating body assemblies (12). The first upright column (11) comprises a first end and a second end arranged in an axial direction. The first end is used for supporting a wind turbine main body (200). The plurality of floating body assemblies (12) are arranged at intervals around the first upright column (11), and each floating body assembly (12) is connected to the first upright column (11). The bending-moment compensation device (2) is arranged on the floating main body (1). The bending-moment compensation device (2) comprises a counter-support assembly (21), traction members (22), and a driving mechanism (23). The counter-support assembly (21) is connected to the first upright column (11) and is provided with an execution end. Each traction member (22) is connected between a floating body assembly (12) and the execution end. The driving mechanism (23) drives the execution end to move toward the second end of the first upright column (11) and to at least partially protrude beyond bottom surfaces of the floating body assemblies (12) in the axial direction, so as to tension the floating body assemblies (12) via the traction members (22). The wind turbine generator comprises the wind turbine main body (200) and the floating wind turbine foundation (100). The traction members (22) are used to tension the floating body assemblies (12) to neutralize bending moments of the floating body assemblies (12), thereby improving the load-bearing capacity of the floating wind turbine foundation (100) and reducing the costs of the floating wind turbine foundation (100).