CN107882686A - Flexible DC power transmission stormy waves hybrid power system - Google Patents
Flexible DC power transmission stormy waves hybrid power system Download PDFInfo
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- CN107882686A CN107882686A CN201711326145.0A CN201711326145A CN107882686A CN 107882686 A CN107882686 A CN 107882686A CN 201711326145 A CN201711326145 A CN 201711326145A CN 107882686 A CN107882686 A CN 107882686A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 26
- 230000033228 biological regulation Effects 0.000 claims abstract description 33
- 238000010248 power generation Methods 0.000 claims abstract description 17
- 238000007667 floating Methods 0.000 claims abstract description 11
- 230000033001 locomotion Effects 0.000 claims description 19
- 238000005461 lubrication Methods 0.000 claims description 17
- 230000008595 infiltration Effects 0.000 claims description 10
- 238000001764 infiltration Methods 0.000 claims description 10
- 230000006837 decompression Effects 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims 1
- 230000005611 electricity Effects 0.000 abstract description 18
- 238000009434 installation Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000013535 sea water Substances 0.000 description 5
- 230000000295 complement effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 108010066278 cabin-4 Proteins 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005662 electromechanics Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- 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
-
- 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
- F03B13/16—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 using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem"
- F03B13/18—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 using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore
- F03B13/1845—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 using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom slides relative to the rem
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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
- F03B15/00—Controlling
-
- 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
-
- 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
- F03D7/0204—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor for orientation in relation to wind direction
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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
- 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
- F03D9/008—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations the wind motor being combined with water energy converters, e.g. a water turbine
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- H02J3/386—
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2220/00—Application
- F05B2220/70—Application in combination with
- F05B2220/706—Application in combination with an electrical generator
- F05B2220/707—Application in combination with an electrical generator of the linear type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/90—Mounting on supporting structures or systems
- F05B2240/93—Mounting on supporting structures or systems on a structure floating on a liquid surface
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2270/00—Control
- F05B2270/10—Purpose of the control system
- F05B2270/109—Purpose of the control system to prolong engine life
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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
- Y02E10/76—Power conversion electric or electronic aspects
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a kind of flexible DC power transmission stormy waves hybrid power system, including squirrel-cage pylon platform, wind energy subsystem, wave energy subsystem, power regulation unit and flexible DC power transmission station.Wind-power electricity generation and wave-energy power generation are received and are integrated, give full play to the characteristics of wave energy subsystem dynamic response is fast, realize that wind-power electricity generation fluctuating power is stabilized and pylon platform inclination angle active control, squirrel-cage pylon platform supports stormy waves hybrid power system weight, and rigid ellipsoid floating body passively regulates and controls pylon inclination angle；Wave energy subsystem is hung upside down in circular platform, quickly switches generating and electric model according to operating mode, it is ensured that dispatching of power netwoks power and pylon inclination angle are stable；Power regulation unit realizes stormy waves maximum wind power extract and to and fro flow of power；Complete confluxing and feeding for stormy waves capture power in flexible DC power transmission station.The present invention improves the stability at wind power output power and pylon inclination angle, greatly reduces installation maintenance cost, will promote the development of stormy waves hybrid power system.
Description
Technical field
The invention discloses a kind of flexible DC power transmission stormy waves hybrid power system, is that one kind is applied to extensive ocean, is
Remote island, coastal region and passing steamer provide the new power generating system of electric energy.
Background technology
With the getting worse of world energy sources crisis and environmental pollution, the new energy such as marine wind energy and wave energy is by generation
The favor of various countries of boundary, China also clearly propose increasing marine resources development in " national marine economy planning and development outline ", are
China's economic development increases new power.However, the problems such as power supply difficulty, strongly limit the utilization of ocean resource.
As clean energy resource, the sea amount of containing is very big, while wind energy on the sea and wave energy naturally couple, and has many for wind energy and wave energy
Complementary characteristic, it has also become the important research direction of various countries scientific research personnel.
At present, offshore wind farm and wave-energy power generation equipment have achieved very fast development, but respective independent operating, can not
Effectively play the good complementary feature of the two energy, and the pylon of traditional offshore wind farm is implemented in seabed, the high salinity of seawater with
And waves of seawater and tidal motion, easily cause pylon to corrode and distort, have a strong impact on pylon service life, and the peace of pylon
Dress and maintenance cost are higher；Though portable offshore wind power system can solve the problems such as pylon installation, wind power platform
Stability contorting needs wind-powered electricity generation to be adjusted, and greatly reduces the generated output of wind power system.Meanwhile current wave-energy power generation equipment
Critical component more pull the plug, wave capture basic point easily fluctuated by wave, have a strong impact on wave capture rate, set simultaneously
Standby seal requires higher, and Wave energy transmits the popularization and application for also constraining wind-powered electricity generation and wave energy system in a way.
The content of the invention
The technical assignment of the present invention is the deficiency for above-mentioned technology, and a kind of novel flexible direct current transportation stormy waves of proposition mixes
Close electricity generation system.
The present invention solve the technical scheme that uses of above-mentioned technical problem for：Flexible DC power transmission stormy waves hybrid power system bag
It is defeated to include vertical axis wind energy subsystem, squirrel-cage pylon platform, 8 wave energy subsystems, power regulation unit and flexible direct current
Power station；The vertical axis wind energy subsystem is packaged type wind generator system, including the fan blade of capture energy, electromechanics turn
The generator and cabin yaw device of change, active yawing regulation and control wind energy and the pylon platform elevation angle；Squirrel-cage pylon platform is wind
The mouse-cage type packaged type support platform of unrestrained hybrid power system, the passive regulation and control pylon elevation angle；8 wave energy subsystems are hung upside down
Pylon platform lower end, being arranged to 3 blade side wave waves can subsystem, 3 empennage side wave wave energy subsystem according to fan blade windward
System and 2 orthogonal side wave wave energy subsystems, orthogonal side wave wave energy subsystem highest wave can capture, 3 blade side wave wave energons
System and the capture of 3 empennage side wave wave energon system controlled wave energies are with active control pylon inclination angle；Power regulation unit is vertical
Axle wind energy subsystem and the control unit of maximum energy capture and the mode of operation conversion of wave energy subsystem；Flexible DC power transmission
Conflux stormy waves capture energy at station, and is fed to direct current network through sending end station BOOST current transformers.
Squirrel-cage pylon platform includes circular platform, rigid ellipsoid shape floating body and squirrel-cage support frame, and squirrel-cage pylon is put down
Platform upper end is circular platform, and bottom is rigid ellipsoid shape floating body, through squirrel-cage support frame rigid connection one, support stormy waves mixing
Electricity generation system weight；Circular platform center is installed by the pylon of vertical axis wind energy subsystem, tower bottom configuration power regulation unit
And flexible DC power transmission station, centered on tower mount, 8 wave energy subsystems are uniformly distributed, are hung upside down at circular platform bottom
Portion；Rigid ellipsoid shape floating body passively stabilizes the pylon platform elevation angle.
Wave energy subsystem includes cylinder float, crank-bar linkage I, speed change lubrication groove, speed change foreign steamer, crank-bar linkage II, straight
Line motor, float hawser, wave energy machinerybulkhead and brake；The cylinder float acts in wave buoyancy and exciting force
Under, vertical movement up and down captures wave energy；The crank-bar linkage I, speed change lubrication groove, speed change foreign steamer and crank-bar linkage II, which are formed, to be become
Fast mechanism, by the mutual inversion of phases of the high-speed motion of the low-speed motion of cylinder float and linear motor rotor；The linear electric motors bag
Permanent magnet mover and Wound-rotor type stator are included, mover moves in bore of stator high speed, and linear electric motors are because of the wave of wave subsystem
Energy capture and pylon inclination angle active control function, are operated in power generation mode and electric model, when operating in power generation mode, directly respectively
Line electric mover is under the common promotion of cylinder float, crank-bar linkage I, speed change lubrication groove, speed change foreign steamer and crank-bar linkage II
High-speed motion, stator cutting magnetic line are generated electricity, and wave energy is converted into electric energy；When operating in electric model, linear motor rotor
The high-speed motion under electrical energy drive, through crank-bar linkage II, speed change foreign steamer, speed change lubrication groove and crank-bar linkage I, reverse drive cylinder
Float movement, change the infiltration volume and buoyancy of cylindrical type float, active control pylon inclination angle；The float hawser is by cylinder
Float flexible fastening, suppress cylinder float level displacement；The wave energy machinerybulkhead is wave energy subsystem protective separation
Equipment, it is ensured that the sealing and corrosion resistance of internal unit；The brake is the brake safe protection dress of wave energy subsystem
Put, cylinder float position and infiltration volume, active control pylon inclination angle are latched in braking.
Power regulation unit includes 1 wind energy PWM rectifier, 8 wave energy PWM converters, 8 BUCK-BOOST unsteady flows
Device；1 wind-force PWM rectifier is vertical axis wind energy subsystem power control unit, and wind is realized by PWM duty cycle modulation
Can maximum capture and Power Control；8 wave energy PWM converters are the Power Control links of wave energy subsystem, are existed
Rectification and inversion two states, correspond to the power generation mode and electric model of wave energy subsystem respectively, and are adjusted by PWM duty cycle
Control the capture power of power generation mode wave energy subsystem and the infiltration volume of electric model wave energy subsystem；8 BUCK-
BOOST current transformers are the buck links of wave energy subsystem, and BOOST boostings when carrying out wave energy subsystem power generation mode converge
Stream, and during wave energy subsystem electric model, BUCK-BOOST current transformers operate in BUCK decompression states, and stormy waves is confluxed directly
Bus output electric energy decompression is flowed, is delivered to inverter mode PWM converter and linear electric motors.
Flexible DC power transmission station includes stormy waves junction direct current bus and sending end station current transformer；The stormy waves junction direct current bus
It is vertical axis wind energy subsystem and wave energy subsystems couple bus rod, busbar voltage is controlled stable by sending end station current transformer；
Sending end station current transformer is BOOST current transformers, constant for mesh with dispatching of power netwoks power and stormy waves junction direct current busbar voltage
, stormy waves is produced into electric energy, is fed to flexible DC power transmission power network.
The beneficial effect that the present invention is brought is：
1) it is wind energy subsystem and wave subsystem integrated design, integrated application wind-power electricity generation and wave-energy power generation is complementary
Effect, by the quick dynamic response of wave subsystem, the fluctuation and intermittent problems of wind energy are stabilized, improves power supply reliability
And the quality of power supply, fan yaw number is greatly reduced, improves vertical axis wind energy subsystem service life.
2) the pylon elevation angle, tail are passively regulated and controled using the main pylon platform elevation angle control passively cooperateed with, tower bottom spheroid
Flank wave subsystem, blade side wave prodigal system and fan engine room driftage coordinated regulation blower fan pylon balance and stability, are improved
Stormy waves hybrid power system reliability.
3) it is innovative to hang upside down wave subsystem on the downside of pylon platform, the stabilization of wave subsystem capture basic point is improved,
Generating equipment greatly reduces requirement of the system to seal and rigidity, while novelty uses wave energy away from seawater simultaneously
The electric model of subsystem changes the infiltration volume of cylinder float, actively stabilizes the pylon platform elevation angle.
4) Technology of HVDC based Voltage Source Converter is used, traditional wind-powered electricity generation three-phase net side PWM converter is eliminated, using BUCK-BOOST
Current transformer, the bi-directional energy flow of wave subsystem and wind-powered electricity generation subsystem is completed, with reference to two-way PWM converter, complete wave
System maximum wind power extract and electronic adjustment wave buoyancy, it is ensured that blower fan pylon balances tilt stabilization, reduces current transformer and sets
Standby cost, improves total tune reliability.
Brief description of the drawings
Fig. 1 flexible DC power transmission stormy waves hybrid power system mechanical structure front views.
Fig. 2 flexible DC power transmission stormy waves hybrid power system power regulation unit hardware topological diagrams.
Fig. 3 squirrel-cage pylon platform top views.
Fig. 4 wave energy subsystem profiles.
Fig. 5 flexible DC power transmission stormy waves hybrid power system workflow diagrams.
Label declaration in figure：1. fan blade, 2. pylons, 3. blade axis, 4. fan engine rooms, 5. fixing bolts, 6. circles
Shape platform, 7. squirrel-cage support framves, 8. float hawsers, 9. cylinder floats, 10. flexible DC power transmission stations, 11. regulation and control units,
12. rigid ellipsoid shape floating body, 13. cable through-holes, 14. linear motor stator electrics, 15. linear motor rotors, 16. crank-bar linkages II,
17. speed change foreign steamer, 18. speed change lubrication grooves, 19. crank-bar linkage I, 20. wave energy energy machinerybulkheads, 21. wind energy PWM rectifiers, 22.
Wave energy PWM converter, 23.BUCK-BOOST current transformers, 24. voltage sensors, 25. current sensors, 26. stormy waves conflux directly
Flow bus, 27. sending end station current transformers, 28. brakes.
Variable declaration：θ pylons inclination angle, θmaxPylon inclination maximum, α wind direction deviation angles, β driftages start angle, c Wind energy extractions
Coefficient, ρwFor atmospheric density, vwFor wind speed, A fan blade sweeping areas, h tower heights,ρsDensity of sea water, g acceleration of gravity,
The sectional area of S cylinder floats, hmaxThe maximum immersion depth of cylinder float, L1~L3The active of empennage side wave wave energy for generating electricity subsystem
The arm of force of regulation and control, PwmaxThe current maximum capture power of wind direction deviation angle leeward energy subsystem, PsmaxThe total maximum of wave energy subsystem is caught
Obtain power, PNDispatching of power netwoks power.
Embodiment
The present invention is further described with example below in conjunction with the accompanying drawings.
The flexible DC power transmission stormy waves hybrid power system (such as Fig. 1) that the present invention is announced includes squirrel-cage pylon platform
(including circular platform 6, rigid ellipsoid shape floating body 11, squirrel-cage support frame 7), vertical axis wind energy subsystem (including fan blade
1st, blade axis 3, fan engine room 4, pylon 2), 8 wave energy subsystems (including cylinder float 9, crank-bar linkage I19, speed change
Lubrication groove 18, speed change foreign steamer 17, crank-bar linkage II 16, linear motor stator electric 14, linear motor rotor 15, float hawser 8, wave energy
Machinerybulkhead 20, the fixing bolt 5 of brake 28), power regulation unit 10 (including wind energy PWM rectifier 21, wave energy PWM become
Flow device 22, BUCK-BOOST current transformers 23, voltage sensor 24, current sensor 25), (including the wind of flexible DC power transmission station 11
Unrestrained dc bus 26, sending end station current transformer 27).
The intermittence and fluctuation of wind energy easily cause output-power fluctuation, while the larger rotary inertia of wind energy conversion system causes
It regulates and controls the dynamic responding speed of power output and is much more slowly than wave subsystem, to ensure wind-force wave energy hybrid power system
Power output is constant and the quality of power supply, preferential regulation and control wave energy capture subsystem.System detects wind direction offset angle, pylon in real time
Inclination angle theta, wave height and velocity of wave, in real time according to PN、θmax、α、β、Pwmax、PsmaxJudge the mode of operation of stormy waves hybrid power system,
System has wind energy highest wave can controlled capture, the maximum capture of wind energy and wave energy and fan yaw wave energy three kinds of works of capture
Operation mode, mode of operation judge as shown in Figure 5.
Work as θ>θmaxOr during suspension type wave energy subsystem presence braking latch mode, system operation is in pylon inclination angle master
Dynamic regulation and control model；
As θ≤θmax、Pwmax+Psmax>PN, and during suspension type wave energy subsystem brakeless latch mode, system operation exists
Stormy waves maximum acquisition mode；
As θ≤θmax, Pwmax+Psmax<PN, α>β, and during suspension type wave energy subsystem brakeless latch mode, system fortune
Row is in driftage wave energy maximum acquisition mode.
1. pylon inclination angle active control
When pylon inclination angle theta is more than pylon inclination maximum θmaxOr during wave energy subsystem presence braking latch mode, 3
Empennage side wave wave energy subsystem, 3 blade side waves wave energy subsystems and wind energy subsystem, collaboration are completed the active of pylon inclination angle and adjusted
Control.Dispatching of power netwoks power can subsystem, 2 orthogonal side wave wave energy subsystems and the collaboration of wind energy subsystem by 3 blade side wave waves
There is provided.
WhenWhen, pylon inclination angle is by 3 empennage side wave energies
Subsystem and 3 blade side wave wave energon systematic collaborations complete pylon inclination angle active control.3 empennage side wave waves can subsystem fortune
Row exports electric energy in electric model, stormy waves junction direct current bus 26, becomes through the decompression of BUCK-BOOST current transformers 23 and wave energy PWM
The inversion of device 22 is flowed, the high-speed motion of linear motor rotor 15 is driven, through crank-bar linkage II 16, speed change foreign steamer 17, the and of speed change lubrication groove 18
Crank-bar linkage I19 driving cylinders float 9 moves downward vertically, increase float infiltration volume, until cylinder float 9 soaks completely
Not yet, there is provided maximum buoyancy, actively stabilize pylon inclination angle；3 blade side wave wave energon system operation power generation modes, realize that pylon inclines
Angle active control, the undulatory displacements of dynamic regulation cylinder float 9, the wave energy that cylinder float 9 captures is through crank-bar linkage
I19, speed change lubrication groove 18, speed change foreign steamer 17 and the driving high-speed motion of linear motor rotor 15 of crank-bar linkage II 16, linear electric motors are fixed
Sub 14 cutting magnetic lines generate electricity, through the rectification of wave energy PWM converter 22 and duty cycle adjustment, the capture of control wave energy and float
Undulatory displacements, to realize the target of pylon inclination angle active control, until cylinder float 9 infiltrates volume minimum.Direct current after regulation and control
Electricity, boosted through BUCK-BOOST current transformers 23, converge into stormy waves junction direct current bus 26.When pylon elevation angle theta is less than pylon maximum
Inclination angle thetamaxWhen, the above-mentioned current location of cylinder float 9 is latched through the braking of brake 28, pylon elevation angle active control is completed.
WhenWhen, impotentia completes tower to wave energy subsystem
Frame inclination angle active control, now wind energy subsystem driftage crosswind, reduces pylon tilting moment caused by fan blade, pylon inclination angle master
Dynamic regulation and control can subsystem and the collaboration completion of wind energy subsystem by the unrestrained energy subsystems of 3 empennage side waves, 3 blade side waves waves.3
Empennage side wave wave energon system operation is in electric model, the output electric energy of stormy waves junction direct current bus 26, through BUCK-BOOST unsteady flows
Device 23 is depressured and the inversion of wave energy PWM converter 22, and the driving high speed of linear motor rotor 15 moves downward, through crank-bar linkage II
16th, speed change foreign steamer 17, speed change lubrication groove 18 and crank-bar linkage I19 driving cylinders float 9 move downward vertically, and increase cylinder floats
The infiltration volume of son 9, until reaching maximum buoyancy, now cylinder float 9 is completely immersed in water, and latch is braked by brake 28
The current position of cylinder float 9；3 blade side wave wave energy subsystems also operate in electric model, stormy waves junction direct current bus 26
Export electric energy, through BUCK-BOOST current transformers 23 decompression and the inversion of wave energy PWM converter 22, driving linear motor rotor 15 to
Upper high-speed motion, through crank-bar linkage II 16, speed change foreign steamer 17, speed change lubrication groove 18 and crank-bar linkage I19 drive cylinder float 9 to
Upper vertical movement, reduces the infiltration volume of cylinder float 9, until reaching minimal buoyancy, now cylinder float 9 completely disengages
Seawater, braked by brake 28 and latch the current position of cylinder float 9；Wind energy subsystem fan engine room 4 starts crosswind of going off course, by
Step reduces pylon tilting moment.When pylon elevation angle theta is less than pylon inclination maximum θmaxWhen, the driftage crosswind of fan engine room 4 terminates, tower
Frame elevation angle active control is completed.
In wind energy subsystem, fan blade 1 captures wind energy in real time, and generator in fan engine room 4 is driven through blade axis 3
Generate electricity, be delivered to the tracing control that wind energy PWM rectifier 21 optimizes rotating speed, realize that the wind energy maximum under effective wind speed is caught
Obtain, direct current converges into stormy waves junction direct current bus 26 after regulation and control.
In power generation mode, cylinder float moves vertically 2 orthogonal side wave wave energon system operations about 9, joins through crank
Bar I19, speed change lubrication groove 18, speed change foreign steamer 17 and crank-bar linkage II 16 drive the high-speed motion of linear motor rotor 15, linear electric motors
The cutting magnetic line of stator 14 generates electricity, and through the rectification of wave energy PWM converter 22 and duty cycle adjustment, realizes the maximum capture of wave energy；
Direct current after regulation and control, boosted through BUCK-BOOST current transformers 23, converge into stormy waves junction direct current bus 26.Stormy waves junction direct current is female
Electric energy on line 26, boosted through sending end station current transformer 27, be delivered to flexible direct current power network.
2. the maximum capture of stormy waves
When pylon inclination angle theta is less than pylon inclination maximum θmax, brakeless latch mode in wave energy subsystem, current stormy waves
Total capture power is unsatisfactory for schedule power and when wind direction offset angle is less than driftage and starts angle beta, and the pylon elevation angle is completely by rigid ellipsoid
Shape floating body 12 passively realize by regulation and control, wind energy subsystem and all maximum captures of 8 wave energy subsystems.
In wind energy subsystem, fan blade 1 captures wind energy in real time, and the generating in fan engine room 4 is driven through blade axis 3
Machine generates electricity, and is delivered to wind energy PWM rectifier 21 and carries out Duty ratio control, optimizes the tracking of rotating speed, realize under effective wind speed
Maximal wind-energy capture, direct current converges into stormy waves junction direct current bus 26 after regulation and control.
8 wave energy subsystems run power generation mode, and cylinder float 9 moves vertically up and down under the wave action, warp
Crank-bar linkage I19, speed change lubrication groove 18, speed change foreign steamer 17 and crank-bar linkage II 16 drive the high-speed motion of linear motor rotor 15, directly
The cutting magnetic line of line motor stator 14 generates electricity, and through the rectification of wave energy PWM converter 22 and duty cycle adjustment, realizes wave energy maximum
Capture；Direct current after regulation and control, boosted through BUCK-BOOST current transformers 23, converge into stormy waves junction direct current bus 26.
Electric energy on stormy waves junction direct current bus 26, boosted through sending end station current transformer 27, be delivered to flexible direct current power network.
3. the maximum capture of wave of going off course
When pylon inclination angle theta is less than pylon inclination maximum θmax, brakeless latch mode in wave energy subsystem, current stormy waves
Total capture power can not meet schedule power, and when wind angle is more than driftage and starts angle, pylon inclination angle is completely by rigid ellipsoid shape
Floating body 12 passively regulates and controls, and wind energy subsystem is gone off course windward and realizes maximum capture control, and 8 wave energy subsystems whole realizations are most
High-power capture, meet dispatching of power netwoks power jointly.
In wind energy subsystem, fan engine room 4 is gone off course windward, the maximum capture power of increase wind energy, at the same pylon inclination angle by
Step increase, voltage sensor 24 and current sensor 25 measure the electric current and voltage of the output of wind energy PWM rectifier 21 in real time, calculate
Stormy waves always captures power under current state；It is equal to pylon equal to dispatching of power netwoks power or pylon inclination angle when stormy waves always captures power
During inclination maximum, fan engine room 4 is gone off course to be terminated windward.
During whole fan engine room 4 is gone off course windward, fan blade 1 captures wind energy in real time, and wind is driven through blade axis 3
Electrical power generators in machine cabin 4, the duty ratio modulation of wind energy PWM rectifier 21 is delivered to, optimizes the tracing control of rotating speed,
The maximum capture of wind energy under effective wind speed is realized, direct current converges into stormy waves junction direct current bus 26 after regulation and control.
8 wave energy subsystems run maximum acquisition mode, and cylinder float 9 is vertical up and down under the wave action to be transported
It is dynamic, transported at a high speed through crank-bar linkage I19, speed change lubrication groove 18, speed change foreign steamer 17 and crank-bar linkage II 16 driving linear motor rotor 15
Dynamic, the cutting magnetic line of linear motor stator electric 14 generates electricity, and through the rectification of wave energy PWM converter 22 and duty cycle adjustment, realizes wave
Can maximum capture；Direct current after regulation and control, boosted through BUCK-BOOST current transformers 23, converge into stormy waves junction direct current bus 26.
Electric energy on stormy waves junction direct current bus 26, boosted through sending end station current transformer 27, be delivered to flexible direct current power network.
Claims (5)
1. a kind of flexible DC power transmission stormy waves hybrid power system, its feature includes vertical axis wind energy subsystem, squirrel-cage pylon
Platform, 8 wave energy subsystems, power regulation unit and flexible DC power transmission station；The vertical axis wind energy subsystem is shifting
Dynamic formula wind generator system, including the fan blade of capture energy, the generator and cabin yaw device of electromechanical conversion, actively
Yaw regulation and control wind energy and the pylon platform elevation angle；Squirrel-cage pylon platform is the mouse-cage type packaged type branch of stormy waves hybrid power system
Support platform, the passive regulation and control pylon elevation angle；8 wave energy subsystems are hung upside down in pylon platform lower end, according to fan blade windward, if
The unrestrained energy subsystems of 3 blade side waves, 3 empennage side waves wave energy subsystems and 2 orthogonal side waves wave energy subsystems are set to, it is orthogonal
Side wave wave energy subsystem highest wave can capture, and 3 blade side waves wave can subsystem and 3 empennage side wave wave energon system controlled waves
It can capture with active control pylon inclination angle；Power regulation unit is the maximum energy of vertical axis wind energy subsystem and wave energy subsystem
Amount capture and the control unit of mode of operation conversion；Conflux stormy waves capture energy at flexible DC power transmission station, and through sending end station BOOST
Current transformer is fed to direct current network.
2. flexible DC power transmission stormy waves hybrid power system according to claim 1, it is characterized in that the squirrel-cage pylon
Platform includes circular platform, rigid ellipsoid floating body and squirrel-cage support frame, and squirrel-cage pylon platform upper end is circular platform, bottom
For rigid ellipsoid floating body, through squirrel-cage support frame rigid connection one, stormy waves hybrid power system weight is supported；In circular platform
Feel at ease and fill the pylon of vertical axis wind energy subsystem, tower bottom configuration power regulation unit and flexible DC power transmission station, with tower
Centered on frame base, 8 wave energy subsystems are uniformly distributed, are hung upside down in circular platform bottom；Rigid ellipsoid floating body is arranged on tower
On the downside of body panel, the pylon platform elevation angle is passively stabilized.
3. flexible DC power transmission stormy waves hybrid power system according to claim 1, it is characterized in that the wave energy subsystem
System includes cylinder float, crank-bar linkage I, speed change lubrication groove, speed change foreign steamer, crank-bar linkage II, linear electric motors, float hawser, ripple
Unrestrained energy machinerybulkhead and brake；The cylinder float is under wave buoyancy and exciting force effect, vertical up-or-down movement capture
Wave energy；The crank-bar linkage I, speed change lubrication groove, speed change foreign steamer and crank-bar linkage II form gear, by cylinder float
Low-speed motion and linear motor rotor the mutual inversion of phases of high-speed motion；The linear electric motors include permanent magnet mover and Wound-rotor type
Stator, mover move in bore of stator high speed, and wave energy capture and pylon inclination angle of the linear electric motors because of wave subsystem are actively
Regulation and control, be operated in power generation mode and electric model respectively, when operating in power generation mode, linear motor rotor cylinder float,
Crank-bar linkage I, speed change lubrication groove, speed change foreign steamer and crank-bar linkage II common promotion under high-speed motion, wave energy is converted into
Electric energy；When operating in electric model, linear motor rotor high-speed motion under electrical energy drive, through crank-bar linkage II, speed change foreign steamer,
Speed change lubrication groove and crank-bar linkage I, reverse drive cylinder float movement, change the infiltration volume and buoyancy of cylindrical type float, it is main
Dynamic regulation and control pylon inclination angle；Cylinder float flexible fastening is suppressed cylinder float level displacement by the float hawser；The ripple
Unrestrained energy machinerybulkhead is wave energy subsystem protective separation equipment, it is ensured that the sealing and corrosion resistance of internal unit；The system
Dynamic device is the brake safe protection device of wave energy subsystem, and cylinder float position and infiltration volume are latched in braking, actively adjust
Control pylon inclination angle.
4. flexible DC power transmission stormy waves hybrid power system according to claim 1, it is characterized in that the power regulation list
Member includes 1 wind energy PWM rectifier, 8 wave energy PWM converters, 8 BUCK-BOOST current transformers；1 wind-force PWM
Rectifier is vertical axis wind energy subsystem power control unit, and the maximum capture of wind energy and power are realized by PWM duty cycle modulation
Control；8 wave energy PWM converters are the Power Control links of wave energy subsystem, two kinds of shapes of rectification and inversion be present
State, the power generation mode and electric model of wave energy subsystem are corresponded to respectively, and power generation mode wave energy is regulated and controled by PWM duty cycle
The capture power of subsystem and the infiltration volume of electric model wave energy subsystem；8 BUCK-BOOST current transformers are ripples
The buck link of unrestrained energy subsystem, BOOST boostings when carrying out wave energy subsystem power generation mode are confluxed, and wave energon
During system electric model, BUCK-BOOST current transformers operate in BUCK decompression states, and stormy waves junction direct current bus is exported into electric energy
Decompression, is delivered to inverter mode PWM converter and linear electric motors.
5. flexible DC power transmission stormy waves hybrid power system according to claim 1, it is characterized in that the flexible direct current is defeated
Power station includes stormy waves junction direct current bus and sending end station current transformer；The stormy waves junction direct current bus is vertical axis wind energy subsystem
With wave energy subsystems couple bus rod, busbar voltage is controlled by sending end station current transformer；Sending end station current transformer is BOOST
Current transformer, for the purpose of dispatching of power netwoks power and stormy waves junction direct current busbar voltage are constant, stormy waves is produced into electric energy, is fed to
Flexible DC power transmission power network.
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