CN116357525A - Fixed offshore wind turbine model test device - Google Patents
Fixed offshore wind turbine model test device Download PDFInfo
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- CN116357525A CN116357525A CN202310282278.1A CN202310282278A CN116357525A CN 116357525 A CN116357525 A CN 116357525A CN 202310282278 A CN202310282278 A CN 202310282278A CN 116357525 A CN116357525 A CN 116357525A
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- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 230000009471 action Effects 0.000 claims abstract description 16
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 238000004088 simulation Methods 0.000 claims abstract description 9
- 239000002689 soil Substances 0.000 claims description 15
- 238000002955 isolation Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 14
- 230000009467 reduction Effects 0.000 claims description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 238000005452 bending Methods 0.000 claims description 11
- 238000006073 displacement reaction Methods 0.000 claims description 11
- 239000006260 foam Substances 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 10
- 230000006698 induction Effects 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010606 normalization Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- PMVSDNDAUGGCCE-TYYBGVCCSA-L Ferrous fumarate Chemical group [Fe+2].[O-]C(=O)\C=C\C([O-])=O PMVSDNDAUGGCCE-TYYBGVCCSA-L 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
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- 230000002035 prolonged effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
- F03D13/25—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors specially adapted for offshore installation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D17/00—Monitoring or testing of wind motors, e.g. diagnostics
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Wind Motors (AREA)
Abstract
The invention provides a fixed offshore wind turbine model test device, which is characterized by comprising: the box body is arranged on the horizontal ground; the fan model comprises a fan foundation, and the fan foundation is arranged in the box body; a non-contact actuating mechanism; and the detection mechanism is used for collecting real-time data of the fan model, wherein the non-contact actuating mechanism comprises a rotating part and an actuating part, the rotating part is arranged on the horizontal ground, and the actuating part is rotatably arranged on the rotating part around the fan model and is used for applying a simulation load to the fan model through electromagnetic action. The offshore wind turbine model test device provided by the invention has the characteristics of simple structure and accurate test result, can solve the problem that the additional mass has a large influence on the test result due to the limitation of the rigid connection actuating structure in the prior art, can freely adjust the load loading direction and the load height, and reduces the action rule of the offshore wind turbine on the sea wind, sea wave and other environments under the actual sea condition.
Description
Technical Field
The invention relates to the technical test field of ocean engineering, in particular to a fixed offshore wind turbine model test device.
Background
Wind power generation does not depend on mineral energy sources, and the cost is stable. Compared with land, the offshore wind energy generator has the advantages of rich offshore wind energy resources, wide space area, durability and stability, high development efficiency, small environmental pollution, small wind turbulence intensity, small wind cut, no occupation of cultivated land resources, less various interference limits and the like, and becomes increasingly the power generation mode with the most development conditions and the most wide development prospect in clean energy, and the offshore wind generator is mainly a fixed offshore wind generator. The dead weight of the fixed offshore wind turbine is small, the upper structure is high, the fixed offshore wind turbine is subjected to the action of ocean environmental loads such as wind, waves, ice, earthquakes and the like, and the wind turbine foundation bears huge horizontal loads. In recent years, in order to reduce the average cost of energy sources, offshore wind turbines have been developed in the direction of increasing the size of the offshore wind turbines, the capacity of the offshore wind turbines has been continuously increased, the overall size of the wind turbines has been correspondingly increased, and the pneumatic loads, wave loads and the like borne by the offshore wind turbines have been rapidly increased in a nonlinear manner.
The physical model test is the most direct technical means for researching the structure of the offshore wind turbine, and the accurate loading of ocean environmental loads such as wind waves and the like is a great technical difficulty when the offshore wind turbine model test is carried out. In the prior art, an actuating mechanism of the model test device is rigidly connected with a fan model, the loading position and the loading direction are limited, and the additional mass has a larger influence on the test result due to the limitation of the rigid connection of the actuating mechanism, so that the accuracy of the result obtained by the model test device cannot be truly reflected.
Disclosure of Invention
The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a stationary offshore wind turbine model test device, and to this end, the following technical solutions are provided.
The invention provides a fixed offshore wind turbine model test device, which has the characteristics that: the box body is arranged on the horizontal ground; the fan model comprises a fan foundation, and the fan foundation is arranged in the box body; a non-contact actuating mechanism; and the detection mechanism is used for collecting real-time data of the fan model, wherein the non-contact actuating mechanism comprises a rotating part and an actuating part, the rotating part is arranged on the horizontal ground, and the actuating part is rotatably arranged on the rotating part around the fan model and is used for applying a simulation load to the fan model through electromagnetic action.
The fixed offshore wind turbine model test device provided by the invention can also have the following characteristics: wherein, the rotating part includes unable adjustment base, many dead levers, at least one pole setting and rotating base, and unable adjustment base passes through many dead levers to be set up on level ground, and rotating base rotationally sets up on unable adjustment base, and the pole setting sets up on rotating base along vertical direction.
The fixed offshore wind turbine model test device provided by the invention can also have the following characteristics: the actuating part comprises a permanent magnet assembly, a motor, an iron core and at least one coil, wherein the permanent magnet assembly can be arranged on the fan model in a vertically movable mode, the motor is connected with the coil and used for generating induction current, the iron core is hollow cylindrical and can be sleeved on the upright rod in a vertically movable mode, and the coil is wound on the iron core and used for generating a magnetic field under the action of the induction current so as to apply load to the permanent magnet assembly.
The fixed offshore wind turbine model test device provided by the invention can also have the following characteristics: wherein, the mass of the permanent magnet is less than 5% of the weight of the fan model.
The fixed offshore wind turbine model test device provided by the invention can also have the following characteristics: the non-contact actuating mechanism further comprises a control part, wherein the control part comprises a control host and a motor driver, the control host is connected with the motor driver, and the motor driver is used for controlling the magnitude and the direction of induction current generated by the motor.
The fixed offshore wind turbine model test device provided by the invention can also have the following characteristics: the box body is filled with a soil body, the soil body is used for simulating the seabed environment, vibration isolation and vibration reduction materials and foam plates are sequentially arranged between the inner wall of the box body and the soil body, and the vibration isolation and vibration reduction materials and the foam plates are used for weakening the influence of the boundary effect of the box body on a test.
The fixed offshore wind turbine model test device provided by the invention can also have the following characteristics: the fan model comprises a fan main body and a flange plate, wherein the fan main body comprises a tower barrel, blades, a cabin and a hub, the cabin is detachably arranged at the top end of the tower barrel, the blades are detachably connected with the cabin through the hub, and the flange plate is used for detachably connecting the fan main body and a fan foundation.
The fixed offshore wind turbine model test device provided by the invention can also have the following characteristics: wherein, the thickness ranges of the vibration isolation and vibration reduction material and the foam board are 10 mm-20 mm.
The fixed offshore wind turbine model test device provided by the invention can also have the following characteristics: the detection mechanism comprises a data acquisition instrument and a bending moment strain gauge, wherein the bending moment strain gauge is connected with the data acquisition instrument and is arranged at the flange plate and used for measuring bending moment born by the fan model under the action of simulated load.
The fixed offshore wind turbine model test device provided by the invention can also have the following characteristics: the detection mechanism further comprises a laser displacement sensor and a fixed support, and the laser displacement sensor is arranged on the fixed support and connected with the data acquisition instrument.
Effects and effects of the invention
The invention provides a fixed offshore wind turbine model test device which comprises a box body, a wind turbine model, a non-contact actuating mechanism and a detection mechanism, wherein the bottom of the wind turbine model is arranged in the box body. The non-contact actuating mechanism comprises a rotating part and an actuating part, wherein the rotating part is arranged on the horizontal ground, the actuating part can be arranged on the rotating part in a rotating way around the fan model and is used for applying simulation load to the fan model through electromagnetic action, loading of the fan model in different positions and directions can be achieved, and the detecting mechanism can conduct real-time data acquisition on the fan model under the action of the simulation load.
Therefore, the fixed offshore wind turbine model test device provided by the invention has the characteristics of simple structure and accurate test result, can realize loading of the wind turbine model at different positions and in different directions, and can solve the problem that the additional mass has a great influence on the test result due to the limitation of the rigid connection actuating structure in the prior art.
Drawings
FIG. 1 is a schematic diagram of a stationary offshore wind turbine model test rig in accordance with an embodiment of the invention;
FIG. 2 is a top view of a cylindrical tank in an embodiment of the invention;
FIG. 3 is a top view of a rectangular parallelepiped box in an embodiment of the invention;
FIG. 4 is a schematic diagram of a wind turbine model in accordance with an embodiment of the present invention;
FIG. 5 is a schematic view of the structure of a fixing base in an embodiment of the present invention;
FIG. 6 is a schematic view of a rotating base in an embodiment of the invention;
FIG. 7 is a schematic illustration of the construction of a permanent magnet assembly in an embodiment of the present invention;
FIG. 8 is a comparison of simulated load and load in an embodiment of the invention; and
fig. 9 is a schematic view showing a structure of the fan module fixed to the concrete block according to the embodiment of the present invention.
Detailed Description
In order to make the technical means, creation characteristics, achievement purposes and effects of the invention easy to understand, the following embodiments specifically describe the fixed offshore wind turbine model test device of the invention with reference to the accompanying drawings.
< example >
FIG. 1 is a schematic structural view of a stationary offshore wind turbine model test rig in accordance with an embodiment of the invention.
As shown in fig. 1, the stationary offshore wind turbine model test device 100 provided by the invention comprises a box body 10, a wind turbine model 20 and a non-contact actuating mechanism 30.
Fig. 2 is a top view of a cylindrical tank in an embodiment of the invention.
Fig. 3 is a plan view of a rectangular parallelepiped case in an embodiment of the present invention.
As shown in fig. 2 and 3, the case 10 is disposed on a horizontal ground surface, is cylindrical or rectangular, and has a surface subjected to corrosion-preventing treatment, so that the service life can be prolonged. The inside of the box 10 is filled with a soil body 11, and the soil body 11 can simulate the seabed environment, so that the test environment is more real, and the box can be suitable for the fan model 20 with different fan foundations. In the embodiment, the soil 11 is filled in layers by adopting Japanese Feng Pu Sha dry sand and adopting a rain fall method, the fixed drop distance is uniformly scattered from a certain height each time, the soil 11 is trowelled after each filling for 100mm, and the filling is stopped until the height of the top of the pile foundation.
The dimensions of the case 10 satisfy the following formula:
15D<L(R)<30D
h+8D<H<h+20D
wherein D is the basic diameter of the fan model 20, L is the bottom side length of the cuboid-shaped box body 10, R is the bottom diameter of the cylindrical box body 10, H is the basic height of the fan model 20, and H is the height of the box body 10. In this embodiment, the case 10 has a rectangular parallelepiped shape, the case 10 has a length of 1100mm, a width of 1100mm, a height of 800mm,
vibration isolation and vibration reduction materials 12 and foam plates 13 are sequentially paved between the inner wall of the box body 10 and the soil body 11, in the follow-up test, the fan model 20 vibrates under the action of the simulated load, and in the process that vibration waves propagate to the boundary of the box body 10, the vibration isolation and vibration reduction materials 12 and the foam plates 13 can absorb the vibration waves, so that the reflection of the vibration waves is reduced, and the influence of the boundary effect of the box body 10 on the test is reduced. In this embodiment, the vibration isolation and vibration reduction material 12 is Duxseal, which is a rubber mixture industrial filler with low hardness and good damping performance, and in practical application, other vibration isolation and vibration reduction materials 12 can be selected according to practical use requirements. The thickness of the vibration isolation and vibration reduction material 12 and the foam board 13 are each in the range of 10mm to 20mm, and in this embodiment, the thickness of the vibration isolation and vibration reduction material 12 and the foam board 13 are each 15mm.
Fig. 4 is a schematic structural diagram of a wind turbine model according to an embodiment of the present invention.
In this embodiment, the fan model 20 is a model 1 for a fixed offshore wind turbine of the NREL-5MW model according to geometric similarity and power similarity criteria: 100 is scaled to produce the fan model 20. As shown in fig. 4, the fan model 20 includes a fan main body 21, a fan foundation 22, and a flange 23. The fan main body 21 includes a tower 211, blades 212, a nacelle 213, and a hub 214, the nacelle 213 being detachably provided on the top end of the tower 211, the blades 212 being detachably connected to the nacelle through the hub 214. The fan foundation 22 is divided into a plurality of fan foundations 22 according to the depth of water in the actual ocean situation, in this embodiment, the fan foundation 22 is buried in the soil body 11, the soil body 11 can fix the plurality of fan foundations 22, thereby realizing a comparative test, and the flange plate 23 can detachably connect the fan main body 21 and the fan foundation 22. In this embodiment, the fan model 20 is made of metal aluminum, which has non-magnetic permeability. In the present embodiment, the removable blades 212, nacelle 213, and hub 213 enable replacement of equivalent concentrated masses for comparison tests, and the removable fan foundation 22 enables replacement of different mounting fixtures for fan boundary condition comparison tests.
Fig. 5 is a schematic structural view of a fixing base in an embodiment of the present invention.
Fig. 6 is a schematic view of a structure of a rotating base in an embodiment of the present invention.
The non-contact actuating mechanism 30 includes a rotating portion 31, as shown in fig. 5 and 6, the rotating portion 31 includes a fixed base 311, a plurality of fixed bars 312, a rotating base 313, and at least one upright 314. The fixing base 311 is cylindrical, and a first through hole 3111 through which the fan foundation 22 can pass is formed at the center. One end of the plurality of fixing rods 312 in the vertical direction is fixed on the horizontal ground, and the other end is detachably provided on the lower bottom surface of the fixing base 311, so that the rotating part 31 is not in contact with the case 10, and external interference is reduced. The rotary base 313 is cylindrical, the lower bottom surface is provided with a flange 3131 matched with the first through hole 3111, the rotary base 313 is arranged in the first through hole 3111 through the flange 3131 so as to be capable of rotating 360 degrees around the fan model 20 on the fixed base 311, and a second through hole 3132 through which the fan foundation 22 can pass is further formed in the center of the rotary base 313. In the present embodiment, the number of the vertical rods 314 is two, and the two vertical rods 314 are disposed on the upper bottom surface of the rotation base 313 in the vertical direction and symmetrically disposed on both sides of the second through hole 3132.
FIG. 7 is a schematic illustration of the construction of a permanent magnet assembly in an embodiment of the present invention.
The non-contact actuator mechanism 30 further includes an actuator portion 32, the actuator portion 32 being rotatably provided on the rotating portion 31 around the fan model 20, the actuator portion 32 including a permanent magnet assembly 321, at least one iron core 322, at least one coil 323, and a motor 324. As shown in fig. 7, the permanent magnet assembly 321 includes two permanent magnets 3211 and an aluminum frame 3212, the two permanent magnets 3211 are disposed on the fan main body 21 of the fan model 20 through the aluminum frame 3212 in a vertically movable manner, and the permanent magnets can be slidably disposed on the aluminum frame 3212 along the aluminum frame 3212, the mass of the permanent magnet assembly 321 is less than 5% of the weight of the fan model 20, in this embodiment, the permanent magnet assembly 321 is a neodymium-iron-boron magnet, and the mass is 4.5% of the mass of the fan model 20, and is disposed at 200mm below the nacelle of the fan main body 21, in practical application, other permanent magnets can be selected, and the position and direction of the permanent magnets can be adjusted according to the loading position and loading direction of the simulated load. In this embodiment, the number of the iron cores 322 is two, and the two iron cores 322 are hollow cylindrical and are respectively sleeved on the two vertical rods 314 in a vertically movable manner, so that loading with different heights is realized. In the present embodiment, the number of coils 323 is two, and the two coils 323 are wound around the iron core 322. In this embodiment, the motor 324 is a linear motor, the motor 324 is connected to two coils 323, the motor 324 generates an induction current after being energized, the two coils 323 generate a magnetic field under the effect of the induction current, and a load is applied to the permanent magnet assembly 321, so that a simulation load is applied to the fan model 20.
The non-contact actuating mechanism 30 further includes a control portion 33, where the control portion 33 includes a control host 331 and a motor driver 332, in this embodiment, the control host 331 is a computer, the control host 331 is connected with the motor driver 332, the motor driver 332 is connected with the motor 324, and the control host 331 can control the magnitude and direction of the induced current generated by the motor 324 through the motor driver 332, so as to change the magnitude and direction of the simulated load, and realize dynamic loading. In the present embodiment, the maximum load of the motor driver 332 is 100N and the maximum load frequency is 100Hz.
In this embodiment, the fixed offshore wind turbine model test device 100 provided by the invention further comprises a detection device 40, wherein the detection device 40 comprises a data acquisition instrument 41, a bending moment strain gauge, a laser displacement sensor and a fixed bracket. The data acquisition instrument 41 is connected with the control host 331 and is also connected with the bending moment strain gauge and the laser displacement sensor, and the data acquisition instrument 41 can acquire real-time data of a fan model under a simulated load. In this embodiment, the bending moment strain gauge is disposed at the flange plate 23, and is capable of measuring the bending moment applied to the fan model 20 under the simulated load. The laser displacement sensor is arranged on the fixed support and is positioned at the same horizontal position with the top of the fan model 20, and in the embodiment, the laser displacement sensor is a laser displacement sensor with the model of CP08MHT80 of Wenglor Germany, the precision is 8 mu m, and the distance between the laser displacement sensor and the top of the fan model 20 is 50mm.
Fig. 8 is a comparison of simulated load and load in an embodiment of the invention.
In this embodiment, according to the position of the permanent magnet assembly 321, the rotation angle of the upright 314 is adjusted to realize load loading in different directions and different heights, then the control host 331 outputs a load time sequence data signal to the motor driver 332 according to the simulated load required by the experiment, the motor driver 332 converts the signal to input and drive two coils 323 connected with the motor 324 to generate induced currents, thereby generating a magnetic field to attract or repel the permanent magnet assembly 321 fixed on the fan model, realizing non-contact loading of the simulated load, the data acquisition instrument 41 generates a comparison graph of the bending moment and the top displacement of the acquired fan model 20, thereby generating a comparison graph of the simulated load and the load of the fan model 20 in the control host 331, as shown in fig. 7, the horizontal axis represents time, the vertical axis represents time, and the simulated load and the load are substantially the same. In this embodiment, the control host 331 loads the custom waveform including ramp waveform, sine waveform, triangular waveform, rectangular waveform and custom waveform with up to 1000000 normalization points according to the analog load waveform that the experiment needs, and the custom waveform loads the irregular random load time series data through custom input, so that the action rule of the sea wind, sea wave and other environments on the offshore wind turbine under the actual sea condition can be restored.
Fig. 9 is a schematic view showing a structure of the fan module fixed to the concrete block according to the embodiment of the present invention.
In this embodiment, the fan model 20 may also be directly rigidly fixed to the concrete block, as shown in fig. 9, so as to implement a comparative test in which the fan model 20 ignores the structure-soil interaction and simplifies to bottom complete rigid fixation. In the present embodiment, the blades 212, the nacelle 213, and the hub 214 can be replaced with a concentrated mass having equal mass, and the concentrated mass is disposed on the top of the tower 211, so that a comparative test with a simplified structure on the top of the fan model can be performed.
Effects and effects of the examples
The invention provides a fixed offshore wind turbine model test device which comprises a box body, a wind turbine model, a non-contact actuating mechanism and a detection mechanism, wherein the bottom of the wind turbine model is arranged in the box body. The non-contact actuating mechanism comprises a rotating part and an actuating part, wherein the rotating part is arranged on the horizontal ground, the actuating part can be arranged on the rotating part in a rotating way around the fan model and is used for applying simulation load to the fan model through electromagnetic action, loading of the fan model in different positions and directions can be achieved, and the detecting mechanism can conduct real-time data acquisition on the fan model under the action of the simulation load. Therefore, the fixed offshore wind turbine model test device provided by the invention has the characteristics of simple structure and accurate test result, can realize loading of the wind turbine model at different positions and in different directions, and can solve the problem that the additional mass has a great influence on the test result due to the limitation of the rigid connection actuating structure in the prior art.
Further, in the non-contact actuating mechanism, the permanent magnet assembly is arranged on the fan model, the motor generates induction current under the drive of the motor driver, and the coil winds the iron core to generate a magnetic field, so that a simulation load is applied to the permanent magnet, the non-contact loading load is realized, and the problem that the additional mass has a larger influence on the test result due to the limitation of the rigid connection actuating structure in the prior art is solved.
Further, the permanent magnet assembly is arranged on the fan main body of the fan model in a vertically movable manner through the aluminum frame, the coil is sleeved on the iron core, the iron core is sleeved on the vertical rod in a vertically movable manner, and the vertical rod is arranged on the rotating part in a rotatable manner around the fan model, so that the fixed offshore fan model test device provided by the invention can load the fan model at different positions, in different directions and at different heights.
Further, the control host is connected with the motor driver, the motor driver is connected with the motor, and the control host can control the magnitude and the direction of induction current generated by the motor through the motor driver, so that the magnitude and the direction of the simulated load are changed, and therefore the fixed offshore wind turbine model test device provided by the invention can realize dynamic loading.
Further, the control computer can restore the action rules of the sea wind, sea wave and other environments on the offshore wind turbine according to the simulated load waveforms which are needed to be loaded in the experiment and comprise ramp waveforms, sine waveforms, triangular waveforms, rectangular waveforms and custom waveforms with up to 1000000 normalization points, so that the fixed offshore wind turbine model test device provided by the invention has a wider application range.
Further, the fan model is based on the principle of geometrical similarity and power similarity, and 1 is carried out on a fixed offshore wind turbine of NREL-5MW type: 100, thereby manufacturing a fan model, and being beneficial to improving the authenticity of the test result of the fixed offshore fan model test device.
Further, vibration isolation and vibration reduction materials and foam plates are arranged between the inner wall of the box body and the soil body, the vibration isolation and vibration reduction materials and the foam plates can absorb part of vibration waves, and reflection of the boundary of the box body to the vibration waves is reduced, so that influence of boundary effect of the box body on tests is weakened, the soil body in the box body can fix fan foundations of various different structures, and therefore the fixed offshore wind turbine model test device provided by the invention can complete multiple groups of comparison tests.
The above embodiments are preferred examples of the present invention, and are not intended to limit the scope of the present invention.
Claims (10)
1. A fixed marine fan model test device, characterized in that includes:
the box body is arranged on the horizontal ground;
the fan model comprises a fan foundation, wherein the fan foundation is arranged in the box body;
a non-contact actuating mechanism; and
the detection mechanism is used for collecting real-time data of the fan model,
wherein the non-contact actuating mechanism comprises a rotating part and an actuating part,
the rotating part is arranged on the horizontal ground, and the actuating part is rotatably arranged on the rotating part around the fan model and is used for applying a simulation load to the fan model through electromagnetic action.
2. The stationary offshore wind turbine model test device of claim 1, wherein:
wherein the rotating part comprises a fixed base, a plurality of fixed rods, at least one upright rod and a rotating base,
the fixed base is arranged on the horizontal ground through a plurality of fixed rods,
the rotating base is rotatably arranged on the fixed base,
the vertical rod is arranged on the rotating base along the vertical direction.
3. The stationary offshore wind turbine model test device of claim 2, wherein:
wherein the actuating part comprises a permanent magnet assembly, a motor, an iron core and at least one coil,
the permanent magnet assembly is arranged on the fan model in a vertically movable way,
the motor is connected with the coil and is used for generating induction current,
the iron core is hollow cylindrical and is sleeved on the vertical rod in a vertically movable way,
the coil is wound on the iron core and is used for generating a magnetic field under the action of the induced current so as to apply load to the permanent magnet assembly.
4. A stationary offshore wind turbine model test apparatus according to claim 3, wherein:
wherein the mass of the permanent magnet assembly is less than 5% of the weight of the fan model.
5. A stationary offshore wind turbine model test apparatus according to claim 3, wherein:
wherein the non-contact actuating mechanism also comprises a control part, the control part comprises a control host and a motor driver,
the control host is connected with the motor driver,
the motor driver is used for controlling the magnitude and the direction of the induction current generated by the motor.
6. The stationary offshore wind turbine model test device of claim 1, wherein:
wherein the box body is filled with soil bodies which are used for simulating the seabed environment,
vibration isolation and vibration reduction materials and foam plates are sequentially arranged between the inner wall of the box body and the soil body and are used for reducing the influence of the boundary effect of the box body on the test,
the vibration isolation and vibration reduction material is Duxseal.
7. The stationary offshore wind turbine model test device of claim 1, wherein:
wherein, the fan model also comprises a fan main body and a flange plate,
the fan main body comprises a tower barrel, blades, a cabin and a hub, wherein the cabin is detachably arranged at the top end of the tower barrel, the blades are detachably connected with the cabin through the hub,
the flange plate is used for detachably connecting the fan main body and the fan foundation.
8. The stationary offshore wind turbine model test device of claim 6, wherein:
wherein, the thickness range of the vibration isolation and vibration reduction material and the foam board is 10 mm-20 mm.
9. The stationary offshore wind turbine model test device of claim 7, wherein:
wherein the detection mechanism comprises a data acquisition instrument and a bending moment strain gauge,
the bending moment strain gauge is connected with the data acquisition instrument and arranged at the flange plate and used for measuring bending moment born by the fan model under the action of the simulated load.
10. The stationary offshore wind turbine model test device of claim 9, wherein:
wherein the detection mechanism also comprises a laser displacement sensor and a fixed bracket,
the laser displacement sensor is arranged on the fixed support and is connected with the data acquisition instrument.
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102435430A (en) * | 2011-11-08 | 2012-05-02 | 济南轨道交通装备有限责任公司 | Loading system for test platform of wind generating set |
| KR101706508B1 (en) * | 2016-07-12 | 2017-02-16 | 한국에너지기술연구원 | Data Analysis System of Mechanical Load Measurement Data for Wind Turbine |
| CN110195445A (en) * | 2019-05-23 | 2019-09-03 | 河海大学 | A kind of experimental rig that research stormy waves influences Wind turbines and test method |
| CN110657073A (en) * | 2019-10-30 | 2020-01-07 | 中国海洋大学 | Test device and method for testing offshore wind turbine power parameter evolution under action of wind waves |
| CN112229599A (en) * | 2020-10-16 | 2021-01-15 | 哈尔滨工业大学（深圳） | Wind-structure-foundation coupling synchronous test system based on wind tunnel |
| US20220128036A1 (en) * | 2020-10-28 | 2022-04-28 | Three Gorges Zhujiang Power Generation Co.,Ltd. | Large-scale model testing system of floating offshore wind power generation device and method for manufacturing testing system |
| CN115200815A (en) * | 2022-05-31 | 2022-10-18 | 天津城建大学 | Dynamic response testing device and testing method for seabed suction type three-barrel foundation |
| CN115290306A (en) * | 2022-07-07 | 2022-11-04 | 大连理工大学 | Offshore wind turbine-foundation interaction test device |
-
2023
- 2023-03-22 CN CN202310282278.1A patent/CN116357525B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102435430A (en) * | 2011-11-08 | 2012-05-02 | 济南轨道交通装备有限责任公司 | Loading system for test platform of wind generating set |
| KR101706508B1 (en) * | 2016-07-12 | 2017-02-16 | 한국에너지기술연구원 | Data Analysis System of Mechanical Load Measurement Data for Wind Turbine |
| CN110195445A (en) * | 2019-05-23 | 2019-09-03 | 河海大学 | A kind of experimental rig that research stormy waves influences Wind turbines and test method |
| CN110657073A (en) * | 2019-10-30 | 2020-01-07 | 中国海洋大学 | Test device and method for testing offshore wind turbine power parameter evolution under action of wind waves |
| CN112229599A (en) * | 2020-10-16 | 2021-01-15 | 哈尔滨工业大学（深圳） | Wind-structure-foundation coupling synchronous test system based on wind tunnel |
| US20220128036A1 (en) * | 2020-10-28 | 2022-04-28 | Three Gorges Zhujiang Power Generation Co.,Ltd. | Large-scale model testing system of floating offshore wind power generation device and method for manufacturing testing system |
| CN115200815A (en) * | 2022-05-31 | 2022-10-18 | 天津城建大学 | Dynamic response testing device and testing method for seabed suction type three-barrel foundation |
| CN115290306A (en) * | 2022-07-07 | 2022-11-04 | 大连理工大学 | Offshore wind turbine-foundation interaction test device |
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