CN106837669A - Offshore wind farm wave energy balance system - Google Patents
Offshore wind farm wave energy balance system Download PDFInfo
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- CN106837669A CN106837669A CN201710107061.1A CN201710107061A CN106837669A CN 106837669 A CN106837669 A CN 106837669A CN 201710107061 A CN201710107061 A CN 201710107061A CN 106837669 A CN106837669 A CN 106837669A
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- wave energy
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- ellipsoid
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Classifications
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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
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
- F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
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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
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
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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
- Y02E10/20—Hydro energy
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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
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
-
- 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
-
- 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
- Y02E10/727—Offshore wind turbines
Abstract
The invention discloses a kind of new offshore wind farm wave energy balance system, balanced using the main passive adjustment pylon of wind energy, wave energy and compressed air multipotency mixing.Including wind power platform floating body, wave energy pitching ellipsoid, compressed-air energy storage and central control unit.Wind power platform floating body includes main floating body, floating body support and balanced floating cylinder, the main buoyancy support for offshore wind farm is provided of main floating body, balanced floating cylinder passively produces trimming moment, and wave energy pitching ellipsoid actively produces trimming moment coordinated regulation pylon to balance, pitching capture wave energy；Compressed-air energy storage includes pitching ellipsoid regulation device, high pressure gas holder and gas tank pressure stabilizing mechanism, regulates and controls wave energy pitching ellipsoid working condition；Central control unit is based on wind speed, wave and the platform side elevation angle, decision-making platform poised state and wave energy trapped state, realizes system monolithic stability.The present invention effectively improves the offshore wind farm stability of a system, mobility, greatly reduces cost, promotes offshore wind farm scale application.
Description
Technical field
It is especially a kind of to be applied to big-and-middle-sized offshore wind farm the present invention relates to a kind of offshore wind farm wave energy balance system
Multipotency mixing pylon platform stabilization regulator control system, it is ensured that the stability of offshore wind power system.
Background technology
Wind-power electricity generation, as the wide regenerative resource of a kind of cleaning, development prospect, is always the energy hair of countries in the world
Exhibition strategy.The pylon direct construction of traditional offshore wind farm is in seabed, but the salinity high of seawater and the wave of seawater and tide fortune
It is dynamic, easily cause pylon to corrode and impact distortion, while the tilting moment that wind turbine blade is produced, easily causes pylon to be turned on one's side,
Pylon service life is had a strong impact on, and pylon is set up in seabed so that the installation of wind power system, manufacture and maintenance cost increase
Height, seriously governs the development of offshore wind farm.In recent years, a kind of new offshore wind farm based on floating pedestal arises at the historic moment, it
To float pedestal as blower fan pylon basis, wind power system pylon stabilization is realized, reduce offshore wind farm installation cost, but floating
Pedestal is introduced and causes that offshore wind farm system gravity is too high, is easily disturbed by fluctuation wind speed and wave, system balance and stabilization
Property it is relatively poor, control difficulty increase easily cause toppling and rollover for wind power system, while platform stable regulation and control also need blower fan
Send electric energy to be adjusted, greatly reduce the generated output of wind power system.Ocean wave energy is strict pollution-free and contains capacity
Greatly, and with advantage is naturally coupled with offshore wind farm, a kind of 201210030258.7 open support offshore wind turbines and ocean energy are sent out
The prestressed concrete floating platform of motor, pylon steadily regulates and controls floating drum water quality to realize using water pump, and water pump is powered and
Come from trunnion axis and vertical axis wind power generation, and propose the theory of photovoltaic and wave-energy power generation, but photovoltaic and wave-energy power generation are
Coupled with Wind turbines with being electrically coupled form, cause power efficieney low, while not installed and capture side with regard to wave-energy power generation
Formula is made and more being elaborated, and the active control ability of platform is relatively weak, influences the security and reliability of wind power system.
The content of the invention
Technical assignment of the invention is directed to not enough present in above-mentioned technology, there is provided a kind of offshore wind farm wave energy balance
System.
The present invention solve the technical scheme that uses of above-mentioned technical problem for：Offshore wind farm wave energy balance system uses wind
The hybrid energy-storing modes such as energy, wave energy and compressed energy-storage, the passive Mixed adjustment pylon balance of master, it is ensured that offshore wind power platform is steady
It is fixed, including wind power platform floating body, wave energy pitching ellipsoid, compressed-air energy storage and central control unit, using wind energy, wave
Can and the hybrid energy-storing mode such as compressed energy-storage, the passive Mixed adjustment pylon balance of master, it is ensured that offshore wind power system it is steady
It is qualitative；The wind power platform floating body includes the balanced floating cylinder of main floating body, floating body support and symmetric arrays, and main floating body is flat for wind-powered electricity generation
Platform provides buoyancy support, and balanced floating cylinder is rigidly connected through floating body support with main floating body, passive adjustment pylon balance；The wave energy
Pitching ellipsoid captures wave energy, active accommodation pylon balance；The compressed-air energy storage is filled for the regulation and control of wave energy pitching ellipsoid
Put and energy transferring structure, including pitching ellipsoid regulation device, high pressure gas holder and gas tank pressure stabilizing mechanism, control wave
Ball float can be balanced and operate in maximum capture, three kinds of states of limited capture and passive capture；The central control unit is
The data, decision-making such as DSP28335CPU data acquisition and control plates, Real-time Collection wind speed, wave wave height, velocity of wave, the platform side elevation angle
Platform in balance state and regulation and control wave energy pitching ellipsoid trapped state.
The offshore platform includes main floating body, floating body support and 4 balanced floating cylinders of symmetric arrays, and main floating body is drum
Shape, concentric with pylon to be rigidly connected, for wind power platform floating body provides buoyancy support, inside is sequentially placed high pressure gas from top to bottom
Tank, expanding machine, generator and current transformer, make wind power system center of gravity be maintained at b.s.l., with wind power system with pusher side
Face upward, infiltration volume changes and produces servo-actuated righting moment, with reference to wind power platform floating body gravity square, be servo-actuated regulation and control wind power platform side
The elevation angle.
The balanced floating cylinder is drum-shaped, symmetrical in main floating body surrounding, is connected through floating body rigidity of support with main floating body,
The part-structure of compressed-air energy storage is placed in inside, and being faced upward with pusher side for wind power platform produces difference infiltration volume between individual floating drum,
Integrated compensation torque, passive equilibrium wind power platform rollover torque are converted to through floating body support.
The wave energy pitching ellipsoid is 4 elliposoidal floating bodies, and the U-shaped connection of pitching axis, in the seawater around pitching
Axis does elevating movement, central control unit according to data such as wind speed, wave, the platform side elevations angle, independently decision-making wave energy
The running status of pitching ellipsoid, in the case where the main floating body of wind power platform and balanced floating cylinder are pitching basic point, by regulating and controlling to press
The working condition of contracting air energy storage, controls the pitching frequency and angle of wave energy ellipsoid floating body, pitching moment is produced, with reference to wind-powered electricity generation
The passive recovery torque of platform floating body, main passive mixing regulation and control wind power platform stabilization.
The compressed-air energy storage includes pitching ellipsoid regulation device, high pressure gas holder and gas tank pressure stabilizing mechanism, control
Wave energy pitching ellipsoid processed is separately operable in maximum capture, three kinds of states of limited capture and passive capture, realizes wave energy, wind
Energy, mutual conversion and storage between electric energy and compressed energy-storage.The wave energy pitching ellipsoid regulation device is passed including pitching
Dynamic device, crank connecting link, compression cylinder, piston, low pressure servo valve and high pressure servo valve, according to central control unit decision-making
Platform in balance condition regulation wave energy pitching ellipsoid trapped state, by the gases at high pressure in high pressure gas holder, in high low pressure servo
Piston movement is driven via high-pressure gas circuit under valve control, torque conversion and speed governing are carried out by crank connecting link and elevating gear
Tuning, controls the working condition of wave energy pitching ellipsoid.The gas tank pressure stabilizing mechanism include the expanding machine of coaxial connection and
Generator, expanding machine has compression and expansion multiplexing function, and generator has electronic and generating multiplex function；Expanding machine is in high pressure
Energy is released in expansion when gas tank air pressure transfinites, and expands servo valve regulation and control gas supply flow, drives electrical power generators, reduces high pressure gas holder gas
Pressure, and when high pressure gas holder air pressure is down to air pressure lower limit, expanding machine operates in compressor state, and by operating in motoring condition
Generator drive, by compressed air to storing to high pressure gas holder, maintains gas tank stable gas pressure.
The central control unit be DSP28335CPU data acquisition and control plates, Real-time Collection wind speed, wave wave height,
The data such as velocity of wave, the platform side elevation angle, decision-making platform poised state controls high low pressure valve, changes piston both sides draught head, adjusts
Control wave energy pitching ellipsoid trapped state.
The beneficial effect brought of the present invention is：
1) present invention is by platform floating body for Oversea wind power generation provides pylon support platform, and the passive regulation platform of master is stable
Effectively the stability of enhancing offshore wind farm system, reduces manufacture, cost of installation and maintenance, is improving the same of pylon service life
When, offshore wind farm system movability is improve, it is convenient for portable installation and maintenance.
2) present invention is capturing ripple using wave energy active control wind power platform stabilization using 4 wave energy pitching ellipsoids
While unrestrained energy, buoyancy size and distribution around adjustment platform are main together with the main floating body of wind power platform and balanced floating cylinder passively to adjust
Whole pylon stabilization, greatly the enhancing pylon stabilization regulation and control free degree, improve the stability that offshore wind farm system generates electricity.
3) present invention is stored in high pressure gas holder the wave energy for capturing by compressed-air energy storage in the form of compressed air
In, active control wave energy pitching ellipsoid working condition, realize wave energy, wind energy and compressed-air energy storage multipotency mixing and
Multidirectional utilization, greatly improves capacity usage ratio.
Brief description of the drawings
Fig. 1 offshore wind farm wave energy balance system front views.
Fig. 2 offshore wind farm wave energy balance system top views.
Fig. 3 balanced floating cylinder cut-away views.(balanced floating cylinder compressed air energy storing structure figure is as shown in Figure 3)
Fig. 4 regulation device structures.
Fig. 5 workflow diagrams.
1. blower fan in figure, 2. pylon, 3. high pressure gas holder, 4. floating body support, 5. balanced floating cylinder, 6. high pressure servo valve, 7. swollen
Swollen servo valve, 8. generator, 9. main floating body, 10. wave energy pitching ellipsoid, 11. compression cylinders, 12. high-pressure gas circuits, 13. expanding machines,
14. current transformers, 15. pitching axis, 16. crank axis, 17. floating drum inner supports, 18. axis helical gears, 19. cranks are long-armed, and 20.
Low pressure servo valve, 21. crank galianconism, 22. crank helical gears, 23. pistons.
Specific embodiment
Variable declaration：
θmin：The lower limit at the platform side elevation angle；
θmax：The higher limit at the platform side elevation angle；
Pmin：The lower limit of high pressure gas holder air pressure；
Pmax：The higher limit of high pressure gas holder air pressure；
The present invention is further described with reference to the accompanying drawings and examples.
The offshore wind farm wave energy balance system that the present invention is announced, including wind power platform floating body, wave energy pitching ellipsoid
10th, compressed-air energy storage and central control unit；Wind power platform floating body supports 4 and 4 symmetrical rows by main floating body 9, floating body
The balanced floating cylinder 5 of row is constituted；Compressed-air energy storage is by pitching ellipsoid regulation device, high pressure gas holder 3 and gas tank pressure stability machine
Structure is constituted, and pitching ellipsoid regulation device is made up of elevating gear, crank connecting link, compression cylinder 11 and piston 23, gas tank pressure
Stabilizing mechanism is made up of expanding machine 13 and generator 8, and elevating gear is by pitching axis 15, axis helical gear 18 and crank
Helical gear 22 is constituted, and crank connecting link is made up of crank axis 16, crank galianconism 21 and crank long-armed 19；Central control unit by
DSP28335CPU data acquisition and controls plate is constituted.
The present invention announce offshore wind farm wave energy balance system workflow as shown in figure 4, central control unit according to
The wind speed of real-time monitoring, wave wave height, velocity of wave, the platform side elevation angle and historical data etc., decision-making wind power platform poised state with
And the mode of operation of gas tank pressure stabilizing mechanism, regulation and control high low pressure servo valve (20,6) and the expansion aperture of servo valve 7, collaboration
Stabilization pylon 2 balance and the air pressure of high pressure gas holder 3.Offshore wind farm system can work maximum capture passive equilibrium state, limited capture
Main passive equilibrium state and main passive equilibrium state is captured indirectly, faced upward with wind power system side with balanced floating cylinder 5 in main floating body 9
Infiltration Volume Changes are produced, passive adjustment pylon 2 is balanced；Driving and control of the wave energy pitching ellipsoid 10 in compressed-air energy storage
Under, actively produce trimming moment regulation platform stabilization；Wave energy is captured according to wave energy pitching ellipsoid 10 in active control
State, can be divided into maximum capture, limited capture and passive capture, and wave energy pitching ellipsoid 10 operates in maximum trapped state
When, wave energy is captured to greatest extent, torque is faced upward in the side produced in the now extraneous wave energy acquisition procedure with capture, by main floating body
9 passively adjust stabilized platform with balanced floating cylinder 5；When wave energy pitching ellipsoid 10 operates in limited trapped state, wave energy pitching
Ellipsoid 10 reduces the influence to platform stable, it is ensured that platform stable as far as possible while wave energy is captured；Wave energy pitching
When ellipsoid 10 operates in passive trapped state, the active accommodation tower under central control unit indirect control of wave energy pitching ellipsoid 10
While frame 2 is balanced, wave energy is passively captured.Gas tank pressure stabilizing mechanism can be operated in electronic boost mode, shutdown and keep mould
Formula and generating decompression mode state, main passive adjustment pylon 2 are balanced, and realize the stable gas pressure of high pressure gas holder 3.
Central control unit gathers the number such as wind speed, wave wave height, velocity of wave, the platform side elevation angle and high pressure gas holder pressure first
According to foundation the platform side elevation angle and high pressure gas holder pressure size determine the work shape of platform in balance state gas tank pressure stabilizing mechanism
State：
1) wind power platform stable state judges
1. when the platform side elevation angle be less than the platform side elevation angle lower limit when (θ ＜ θmin), platform operates in passive equilibrium state；
2. when the platform side elevation angle be in platform side elevation angle bound between when (θmin＜ θ ＜ θmax), platform is operated in actively
Partial equilibrium state；
3. when the platform side elevation angle be more than platform side upper elevation limit when (θ ＞ θmax), platform operates in the passive combined balance system shape of master
State.
2) gas tank pressure stabilizing mechanism pattern determines
1. when high pressure gas holder air pressure be less than air pressure lower limit when (P ＜ Pmin), gas tank pressure stabilizing mechanism is operated in electronic boosting
Pattern；
2. when high pressure gas holder air pressure be in air pressure bound between when (Pmin＜ P ＜ Pmax), gas tank pressure stabilizing mechanism work
Make shutting down holding pattern；
3. when high pressure gas holder air pressure is more than (the P ＞ P that atmospherically prescribe a time limitmax), gas tank pressure stabilizing mechanism is operated in generating step-down
Pattern.
Maximum capture passive equilibrium state：When the platform side elevation angle is less than platform side elevation angle lower limit, four are symmetrically distributed in
The respective independent operating of wave energy pitching ellipsoid 10 of the surrounding of main floating body 9, each wave energy pitching ellipsoid 10 is operated in maximum work
Rate trapped state, being based respectively on wave situations around it each carries out optimal pitching frequency tracing control, wave energy pitching ellipsoid
10 make elevating movement, are converted through elevating gear transmission and crank connecting link, drive the piston 23 in compression cylinder 11 to move up and down,
Wave energy is stored in high pressure gas holder 3 in compressed air form, gas tank pressure stabilizing mechanism operates in stopped status, works as gas tank
More than atmospherically prescribing a time limit, gas tank pressure stabilizing mechanism operation expansion power generation state, the expanded servo valve 7 of gases at high pressure is controlled air pressure
Flow, expanding machine 13 releases high pressure gas expansion can drive generator 8 to generate electricity, and maintain stable gas pressure in high pressure gas holder 3.Wave energy
Pitching ellipsoid 10 will also influence platform stable while maximum capture wave energy, cause the side elevation angle to change, and main floating body 9 is undertaken
The buoyancy support of wind power system Vertical Square downward pressure and gravity, while main floating body 9 is in the case where platform side is faced upward and acts on angle, infiltration
Volume changes, and produces servo-actuated difference buoyancy torque, with reference to the main floating body gravity square of wind power platform, is servo-actuated regulation and control wind power platform side
The elevation angle；Other side elevation angle change result in 4 infiltration Volume Changes of symmetrical balanced floating cylinder 5, and the passive wind-powered electricity generation that changes is put down
Platform buoyancy distribution so that the buoyancy of each balanced floating cylinder 5 changes, produces pitching moment passively to regulate and control the wind power platform side elevation angle, and compensation is bowed
Face upward the change that ellipsoid maximum captures the platform side elevation angle caused by wave energy.
The limited main passive equilibrium state of capture：When the platform side elevation angle is between platform side elevation angle lower limit and the upper limit, it is
Unite and operate in the limited main passive equilibrium state of capture, between the gravity torque and 4 balanced floating cylinders of main floating body 9 and balanced floating cylinder 5
The passive regulation platform side of difference buoyancy torque face upward；The platform side elevation angle and wave work of the central control unit according to real-time measurement
Condition, provides the pitching angular frequency that 4 wave energies capture ellipsoid 9, via high low pressure servo valve (6,20), Collaborative Control piston 23
It is for linear motion in compression cylinder 11, through crank connecting link and elevating gear, change the elevating movement of wave energy pitching ellipsoid 10,
Make the pitching frequency departure wave frequencies of wave energy pitching ellipsoid 10, produce each self-force to be converted into equilibrant force through floating body support 4
The passive force/moment that square, the main floating body 9 of Active Compensation and balanced floating cylinder 5 are produced, collaboration completes the stabilization of platform；Now 4 wave energies
Pitching ellipsoid 10 deviates wave frequencies, in the case where platform stable is ensured, wave energy is stored in the form of compressed gas to
High pressure gas holder 3, gas tank pressure stabilizing mechanism can be operated in generating decompression mode, electronic liter of pressing mold under central control unit regulation and control
Formula and shutdown holding pattern, in the case where expansion servo valve 7 and current transformer 14 act synergistically, dynamic changes expanding machine 13, generator 8 and transports
Row state, maintains the air pressure in high pressure gas holder 3 to stablize relatively.
Main passive equilibrium state is captured indirectly：When the platform side elevation angle be more than platform side upper elevation limit when, system operation
The main passive equilibrium state of capture is connect, main floating body 9 and balanced floating cylinder 5 are passive to change 4 balances in the case where the large platform side elevation angle acts on
The infiltration volume of floating drum 5, then 4 buoyancy of balanced floating cylinder 5 change, under floating body supporting role produce difference buoyancy power
Square, the passive adjustment platform side elevation angle, the platform side elevation angle and wave operating mode of the central control unit according to real-time measurement provide 4
The angle of pitch of individual wave energy pitching ellipsoid 10, via air pressure in high low pressure servo valve (6,20) controlling changing compression cylinder 11, drives
Piston 23 moves along a straight line, and through crank-bar linkage and elevating gear, actively changes the luffing angle of 4 wave energy pitching ellipsoid 10,
Change 4 effective infiltration volumes and buoyancy distribution of ellipsoid floating body, produce the trimming moment of platform, it is ensured that platform stable.This
When wave energy pitching ellipsoid 10 operate in not trapped state, when gas tank air pressure is less than air pressure lower limit, gas tank pressure stabilizing mechanism
Electronic pressurized state is operated in, generator 8 is operated in motoring condition, drives the compressed air of compressor 13, controlled in expansion servo valve 7
Under system by gases at high pressure storage in high pressure gas holder 3, for the adjustment of wave energy pitching ellipsoid 10 system balancing provides power.
Although above-mentioned be described with reference to accompanying drawing to specific embodiment of the invention, not to present invention protection model
The limitation enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme those skilled in the art are not
Need the various modifications made by paying creative work or deformation still within protection scope of the present invention.
Claims (5)
1. a kind of new offshore wind farm wave energy balance system for being applied to big-and-middle-sized Oversea wind power generation, it is characterized in that including wind
Level table flotation body, wave energy pitching ellipsoid, compressed-air energy storage and central control unit, using wind energy, wave energy and pressure
The hybrid energy-storing mode such as contracting energy storage, the passive Mixed adjustment pylon balance of master, it is ensured that the stability of offshore wind power system；It is described
Wind power platform floating body includes the balanced floating cylinder of main floating body, floating body support and symmetric arrays, and main floating body is floating for wind power platform is provided
Power is supported, and balanced floating cylinder is rigidly connected through floating body support with main floating body, passive adjustment pylon balance；The wave energy pitching ellipsoid
Capture wave energy, active accommodation pylon balance；The compressed-air energy storage is the regulation device and energy of wave energy pitching ellipsoid
Amount transferring structure, including pitching ellipsoid regulation device, high pressure gas holder and gas tank pressure stabilizing mechanism, control wave energy balance are floating
Ball operates in maximum capture, three kinds of states of limited capture and passive capture；The central control unit is DSP28335CPU numbers
According to collection and control panel, the data such as Real-time Collection wind speed, wave wave height, velocity of wave, the platform side elevation angle, decision-making platform poised state with
And regulation and control wave energy pitching ellipsoid trapped state.
2. offshore wind farm wave energy balance system according to claim 1, it is characterized in that the main floating body of the offshore platform is
Drum-shaped, and the concentric rigid attachment of pylon supports wind power platform vertical depressing force, internal high-voltage gas tank, expanding machine, generator with
And current transformer, wind power platform decentralization to b.s.l. is forced, being faced upward with pusher side for wind power platform causes main floating body infiltration body
Product change, is servo-actuated and produces righting moment, and resultant moment is formed with wind power platform gravity torque, regulates and controls the wind power platform side elevation angle；It is described
Balanced floating cylinder is the drum for being symmetrically distributed in main floating body surrounding, internal portion compressed-air energy storage structure, and 4 balanced floating cylinders are with the wind
Generation difference infiltration volume is faced upward in electric side, and integrated compensation torque, balance wind power platform rollover torque are produced through floating body support is passive.
3. offshore wind farm wave energy balance system according to claim 1, it is characterized in that the wave energy pitching ellipsoid is 4
Individual elliposoidal floating body, with the U-shaped connection of pitching axis, does elevating movement, 4 pitching ellipsoid difference around pitching axis in the seawater
Independent control, according to data, decision-making wave energy pitching ellipsoid running status, wind power platform master such as wind speed, wave, the platform side elevations angle
Floating body and balanced floating cylinder provide datum mark for the elevating movement of wave energy pitching ellipsoid, wave energy ellipsoid floating body luffing speed and
Angle produces the passive recovery torque of different pitching moments, the main floating body of Active Compensation and balanced floating cylinder under piston movement regulation and control,
Coordinated regulation wind power platform stabilization.
4. offshore wind farm wave energy balance system according to claim 1, it is characterized in that the pitching ellipsoid regulation device
It is solid through floating drum inner support including elevating gear, crank connecting link, compression cylinder, piston, low pressure servo valve and high pressure servo valve
It is scheduled in balanced floating cylinder, central control unit regulates and controls the valve opening of high low pressure servo valve, changes piston both sides gas differential pressure,
Drive piston to be moved along a straight line in compression cylinder, drive crank connecting link and elevating gear rotation, drive wave energy pitching ellipsoid
Do elevating movement, active control wind power platform stabilization.The elevating gear includes pitching axis, axis helical gear and song
Handle helical gear, wave energy pitching ellipsoid elevating movement is changed to crank axis rotary motion through the speed governing that commutates；The crank connects
Bar includes that crank axis, crank galianconism and crank are long-armed, and crank axis rotary motion is converted to piston through tuning speed governing
High-speed straight-line is moved.
5. offshore wind farm wave energy balance system according to claim 1, it is characterized in that the gas tank pressure stabilizing mechanism
Expanding machine and generator including coaxial connection, expanding machine have compression and expansion multiplexing function, and generator has electronic and hair
Electrical multiplexed function；Expanding machine expands when high pressure gas holder air pressure transfinites releases energy, and expanded servo valve regulates and controls gas supply flow, drives hair
Electric power generation, reduces high pressure gas holder air pressure, and when high pressure gas holder air pressure is down to air pressure lower limit, expanding machine operates in compressor shape
State, by operating in the generator drive of motoring condition, compressed air is stored to high pressure gas holder, maintains gas tank stable gas pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710107061.1A CN106837669B (en) | 2017-02-27 | 2017-02-27 | Offshore wind, electric wave and wave energy balance system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710107061.1A CN106837669B (en) | 2017-02-27 | 2017-02-27 | Offshore wind, electric wave and wave energy balance system |
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| Publication Number | Publication Date |
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| CN106837669A true CN106837669A (en) | 2017-06-13 |
| CN106837669B CN106837669B (en) | 2022-10-25 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559146A (en) * | 2017-10-12 | 2018-01-09 | 华能国际电力股份有限公司 | A kind of offshore wind power system with seabed compressed-air energy storage |
| CN107882686A (en) * | 2017-12-13 | 2018-04-06 | 曲阜师范大学 | Flexible DC power transmission stormy waves hybrid power system |
| CN108374764A (en) * | 2018-01-30 | 2018-08-07 | 曹丽美 | A kind of double acting power generation device of inshore |
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| CN110259645A (en) * | 2019-05-29 | 2019-09-20 | 中国石油大学(华东) | Based on the marine windmill floating platform self balancing device for changing local buoyancy |
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| CN115076041B (en) * | 2022-07-25 | 2022-11-29 | 中国船舶重工集团国际工程有限公司 | Wind power generation system and supporting platform for same |
| CN117267062A (en) * | 2023-11-22 | 2023-12-22 | 山东中能融合海上风力发电机组有限公司 | Posture-adjustable base for offshore wind power generation |
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