CN108979945A - A kind of the marine tidal-current energy generator group and its system of two-way power generation - Google Patents
A kind of the marine tidal-current energy generator group and its system of two-way power generation Download PDFInfo
- Publication number
- CN108979945A CN108979945A CN201811070955.9A CN201811070955A CN108979945A CN 108979945 A CN108979945 A CN 108979945A CN 201811070955 A CN201811070955 A CN 201811070955A CN 108979945 A CN108979945 A CN 108979945A
- Authority
- CN
- China
- Prior art keywords
- blade
- marine tidal
- current energy
- current
- pitch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010248 power generation Methods 0.000 title claims abstract description 23
- 230000002441 reversible effect Effects 0.000 claims abstract description 17
- 239000011295 pitch Substances 0.000 claims description 40
- 238000004458 analytical method Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 238000011217 control strategy Methods 0.000 claims description 4
- 238000004590 computer program Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 238000011156 evaluation Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 230000005389 magnetism Effects 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000005611 electricity Effects 0.000 description 6
- 230000006870 function Effects 0.000 description 6
- 239000013535 sea water Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 238000000819 phase cycle Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000001195 anabolic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
- F03B13/26—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 tide energy
- F03B13/264—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 tide energy using the horizontal flow of water resulting from tide movement
-
- 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
-
- 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
Abstract
The invention discloses a kind of marine tidal-current energy generator group of two-way power generation and its systems, belong to marine tidal-current energy power field.Including unit master control system, current meter and sequentially connected pitch-controlled system, main shaft, gear-box, generator and and current transformer；Current meter feeds back to master control system for measuring trend flow direction, and master control system is used to carry out pitch control according to trend flow direction and preset variable pitch strategy；Pitch-controlled system includes blade, and master control system is connect with pitch-controlled system, makes blade front alignment trend flow direction for controlling blade angle；Current transformer be furnished with reversible controller, reversible controller have forward and reverse state machine, for according to flood tide, at ebb tide generator be put into forward and backward output be automatically adjusted state.The present invention measures flood tide by current meter, the marine tidal-current energy of ebb flows to, and by converting the angle of blade, cooperates reversible controller, generating state and lower generating state are flowed in formation, realize the two-way capture to marine tidal-current energy, impeller utilization rate is high.
Description
Technical field
The present invention relates to marine tidal-current energy generator group fields, a kind of marine tidal-current energy generator group more particularly to two-way power generation and
Its system.
Background technique
Marine tidal-current energy power generation has become new component part, large-scale marine tidal-current energy generator operation in field of new energy generation
It will be in the following supplement for becoming new energy.And China coastline is long, there is trend energy abundant, in fossil energy day
Beneficial nervous today, marine tidal-current energy will highlight the important anabolic action of new energy.
China's marine tidal-current energy is more at present is in research state, and actual marine tidal-current energy mode is not widely applied really, various
Tidal current energy generating equipment many places are in technology exploration and theoretical prototype test stage；Therefore the research of marine tidal-current energy power generation will have important meaning
Justice.
Enter experimental stage or the unit of design phase at present, the concept of " underwater blower " is largely adhered to, using similar
Integral sealing is carried out in the structure of wind turbine cabin, and to cabin.Part design is influenced by hydraulic turbine structure, using two lists
Acquisition equipment to fixed pitch water wheels as marine tidal-current energy.
The cabin cabin volume of integral seal structure is big, since internal part does not have independent Impact on Shielding Structure Underwater, to close
The requirement of envelope is also higher, and large scale cabin integral sealing and shaping structures technical difficulty are big.Although fixed pitch unit is realizing
The capture of bi-directional current energy, but unit impeller utilization rate only has 50%, and volume is big, and drive mechanism is complicated.
Summary of the invention
The object of the present invention is to provide it is a kind of being capable of bidirectional acquisition marine tidal-current energy and the high two-way hair of energy of unit impeller utilization rate
The marine tidal-current energy generator group and its system of electricity.
To achieve the above object, the present invention adopts the following technical scheme:
On the one hand, the present invention provides a kind of marine tidal-current energy generator group of two-way power generation, including unit master control system, current meter
And sequentially connected pitch-controlled system, main shaft, gear-box, generator and and current transformer；
The current meter feeds back to master control system for measuring trend flow direction, and the master control system is used for according to trend
Flow direction and preset variable pitch strategy carry out pitch control；
The pitch-controlled system includes blade, and the master control system is connect with pitch-controlled system, makes paddle for controlling blade angle
Leaf front is directed at trend flow direction；
The current transformer is furnished with reversible controller, and the reversible controller has forward and reverse state machine, rises for basis
Tide, at ebb tide generator are put into forward and backward output and are automatically adjusted state.
Further, the blade can be used to can be carried out trend along 360 ° of rotation variable pitches of its blade root geometrical axis double
To capture.
Further, the quantity at least two of the blade, is angularly arranged in the same plane.
Further, blade uses the shape with aeroplane engine airfoil type.
Further, the generator is magneto alternator.
Further, the current transformer is the full power convertor with four quadrant running function；
And/or the main shaft is metal hollow axis；
And/or the gear-box is step-up gear.
Further, further include security system, jeopardize the signal of unit safety operation and according to detection signal for detecting
Whether control unit shuts down.
Further, further include failure monitoring system, rotated for the blade to tidal power generating unit, in power generation process
Malfunction monitoring simultaneously feeds back to master control system.
It further, further include wheel hub for installing pitch-controlled system and its blade, the end of the wheel hub and the master
Axis connection；
Sealing knot is equipped between the blade and wheel hub, between wheel hub and main shaft, main shaft and gear-box, gear-box and generator
Structure.
Further, further include the offshore platform for installing marine tidal-current energy generator group underwater portion, set on the offshore platform
There is hoistable platform, for going up and down the underwater portion of marine tidal-current energy generator group.
Further, the full power convertor is mounted on pier, is additionally provided with wind speed on the pier
Instrument wind vane.
Further, the master control system includes the analysis module connecting with current meter, and the analysis module is used for basis
Main shaft direction of rotation, revolving speed and current meter measurement data accurate evaluation trend flow direction, the analysis module are combined using multinomial
Two-way determination strategy is fitted calculating.
On the other hand, a kind of control system of the marine tidal-current energy generator group of two-way power generation, including 360 ° of variable pitches of blade are provided
Strategy, trend flow to two-way determination strategy, double-direction control strategy and/or Stator-Quantities Control and and store for realizing corresponding plan
The storage medium of computer program slightly.
Due to the adoption of the above technical scheme, the present invention has at least the following advantages:
(1) present invention uses double-direction control mode, cooperation direct torque, 360 degree of intelligent variable pitches according to seawer tide phenomenon
Etc. technologies, realize the two-way capture to the seawer tide energy, it is excellent in unit whole efficiency, volume and marine tidal-current energy utilization rate
In unidirectionally determining paddle control at present, it can realize that energy efficient utilizes to preferably capture marine tidal-current energy.
(2) marine tidal-current energy generator group structure of the invention is simple, small volume, can be arranged as needed using distributed,
Separate unit or more unit access area distribution networks, solution island, coastal remote districts, offshore work platform etc. have electric power need to
It asks but individually sets up the problem that supply network is costly, technical difficulty is big.
Detailed description of the invention
The above is merely an overview of the technical solutions of the present invention, in order to better understand the technical means of the present invention, below
In conjunction with attached drawing, the present invention is described in further detail with specific embodiment.
Fig. 1 is the operation principle schematic diagram of bi-directional current energy generating set of the invention under flood tide state；
Fig. 2 is the operation principle schematic diagram of bi-directional current energy generating set of the invention on the ebb under state；
Fig. 3 is the workflow schematic diagram of bi-directional current energy generating set of the invention；
Fig. 4 is the two-way judgement and direct torque logical schematic of bi-directional current energy generating set of the invention.
Specific embodiment
The exemplary embodiment that the present invention will be described in more detail below with reference to accompanying drawings.Although showing the present invention in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the present invention without should be by embodiments set forth here
It is limited.It is to be able to thoroughly understand the present invention on the contrary, providing these embodiments, and can be by the scope of the present invention
It is fully disclosed to those skilled in the art.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singular " one " used herein, " one
It is a ", " described " and "the" may also comprise plural form.It is to be further understood that being arranged used in specification of the invention
Diction " comprising " refer to that there are the feature, integer, step, operation, element and/or component, but it is not excluded that in the presence of or addition
Other one or more features, integer, step, operation, element, component and/or their group.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific term), there is meaning identical with the general understanding of those of ordinary skill in fields of the present invention.Should also
Understand, those terms such as defined in the general dictionary, it should be understood that have in the context of the prior art
The consistent meaning of meaning, and unless otherwise will not be explained in an idealized or overly formal meaning by specific definitions.
The present invention provides a kind of embodiment of bi-directional current energy generating set, can be in flood tide, the two-way capture tide of ebb
Stream energy, as shown in Figures 1 to 4, including unit master control system, current meter 5 and sequentially connected pitch-controlled system, main shaft 2, gear-box
3, generator 4 and with current transformer 7；
Current meter 5 is used to measure trend flow direction, and feeds back to master control system, and master control system is for according to trend flow direction and in advance
If variable pitch strategy carry out pitch control；
Pitch-controlled system includes blade 1, and master control system is connect with pitch-controlled system, and control strategy is passed to variable pitch by master control system
System makes blade front alignment trend flow direction for controlling 1 angle of blade；
Current transformer 7 is furnished with reversible controller, and reversible controller has forward and reverse state machine, is used for according to flood tide, at ebb tide
Generator is put into forward and backward output and is automatically adjusted state.
In the use of the present invention, generally only both direction (flood tide or ebb) in view of marine tidal-current energy direction, passing through ocean current
The measurement of meter feeds back to master control system, and master control system passes through the flow direction for judging marine tidal-current energy, and according to preset variable pitch policy control
Pitch-controlled system, adjustment blade convert angle, make the trend flow direction of blade front alignment flood tide or ebb, guarantee that blade can be in machine
In the power and load range of group design, marine tidal-current energy is utmostly absorbed, pitch-controlled system passes through main shaft for the marine tidal-current energy energy of absorption
Amount passes to gear-box, and the mechanical energy that gear-box transmits is converted electric energy by generator, is exported by current transformer to power grid, unsteady flow
Device is furnished with reversible controller, and reversible controller has forward and reverse state machine, can according to flood tide, generator is positive and negative at ebb tide transfers
Three-phase electric energy phase sequence out is different, adjust automatically state, guarantee to export to power grid the phase, phase sequence, frequency of electric energy always with electricity
It nets identical.Current transformer can be by controlling generator electromagnetic torque, to control generator and blade revolving speed, thus by blade revolving speed control
System is in safe range.The present invention measures flood tide by current meter, the marine tidal-current energy of ebb flows to, by converting the angle of blade,
Cooperate reversible controller, generating state and lower generating state are flowed in formation, realize the two-way capture to marine tidal-current energy, impeller utilizes
Rate is high, and utilization rate is even close to 100%.
For the good instruction for completing pitch-controlled system, blade 1 can be along 360 ° of rotation variable pitches of its blade root geometrical axis
For can be carried out two-way capture to trend.
Further, the quantity of blade 1 can be angularly arranged in the same plane at least two, blade quantity root
It is set according to unit demand, when preferably blade quantity is 2, is spaced 180 degree in same plane on wheel hub and is arranged symmetrically；Using 2
It is a with blade when, it is angularly uniformly distributed in same plane on wheel hub.
In order to utmostly absorb marine tidal-current energy energy, blade 1 can be using the shape with aeroplane engine airfoil type.
In order to preferably marine tidal-current energy be utilized to generate electricity, generator 4 can be magneto alternator.Magneto alternator
Axle stretch end is connected by shaft coupling with gear-box, and stator side winding is connected by cable with current transformer.Major function is by gear
The mechanical energy of case transmitting is converted into electric energy, is exported by current transformer to power grid.
In order to preferably cooperate magneto alternator, current transformer 7 can be with full power convertor, it is however preferred to have four-quadrant
The full power convertor of operation function.
In above-described embodiment, main shaft 2 can be metal hollow axis, and material is preferably forged steel.For pitch-controlled system to be absorbed
Trend energy pass to gear-box.
In above-described embodiment, gear-box 3 can be step-up gear, and major function is revolving speed, torque transfer.Slow-speed shaft with
Main shaft is connected, and high speed shaft is connected with generator, for converting the slow-speed of revolution of impeller to the high revolving speed of generator needs.
Further, further include security system, jeopardize the signal of unit safety operation and according to detection signal for detecting
Whether control unit shuts down.The security system is independently of master control system, and priority is higher than all modules of unit.Work as security system
After detecting the signal for jeopardizing unit safety operation, each component of unit can not be directly controlled directly to shutdown by master control system
Condition conversion protects unit safety in time.And combination failure monitoring system, in time to the blade rotation of tidal power generating unit, hair
Malfunction monitoring in electric process realizes efficient, the safe operation of unit.
It further, further include wheel hub 10 for installing pitch-controlled system and its blade 1, the end of wheel hub 10 and main shaft 2
Connection；It is mainly used for that blade and pitch-controlled system are installed, there is the bullet-headed shape for reducing fluid resistance.Wheel hub end is set
There is ring flange, for being connected with main shaft.Wheel hub is hollow shell structure, and stainless steel, high intensity can also be used in the preferred cast steel of material
The other materials such as macromolecule or cast iron.
It is equipped between blade and wheel hub 10, between wheel hub 10 and main shaft 2, main shaft 2 and gear-box 3, gear-box 3 and generator 4
Sealing structure can prevent seawater from entering each components interior.
It further, further include the offshore platform for installing marine tidal-current energy generator group underwater portion, offshore platform, which is equipped with, to be risen
Platform drops, for going up and down the underwater portion of marine tidal-current energy generator group.
Marine tidal-current energy unit is divided into unit above water and unit underwater portion.Unit above water includes pedestal, control cabinet
6, equipment, all devices such as current transformer 7, transformer 8 are installed on offshore platform, connection type be preferably fastener connection or
Welding；Anemobiagraph wind vane is additionally provided on pier.For measuring marine wind speed and wind direction, it is installed on offshore platform highest
The real-time wind speed and direction in sea area where point, predominantly operation monitoring personnel provide unit, so that maintenance personnel is according to wind speed and direction
Maintenance time is selected, when guaranteeing that unit is raised to sea level or more, marine weather does not cause adverse effect to maintenance work.
Between unit above water and unit underwater portion, equipment is attached by cable, the machine of unit underwater portion
Group is then attached by the elevator on offshore platform；Unit underwater portion mainly include current meter, wheel hub, blade, main shaft,
The equipment such as gear-box, generator.
Offshore platform, for installing entire marine tidal-current energy generator group.There are hoistable platform, the installation of unit underwater portion on pedestal
In on hoistable platform.In generating state, unit underwater portion is integrally dipped into seawater；In service mode, by unit water
Lower part is integrally increased to sea level or more.
Cable, for connecting the equipment such as the current transformer on pedestal, control cabinet and being located at undersea machine group parts.Cable
Be divided into control cable, two class of power cable, using the flexible, cable of resistance to torsion, guarantee unit cable fluctuated with ocean current, by blade tail
Stream influences and unit is gone up and down in maintenance process, is in is reliably connected state always.
Further, master control system includes the analysis module connecting with current meter, and analysis module according to main shaft for rotating
Direction, revolving speed and 5 measurement data accurate evaluation trend of current meter flow direction, analysis module combine two-way determination strategy using multinomial
It is fitted calculating.Current meter mainly measures direction and the flow velocity of tidal water flow, has the function of 3D section flow velocity, flow direction measurement,
Analysis module combines two-way determination strategy according to Current Characteristics, using multinomial, carries out transmission function corrected Calculation, mentions for unit
For flow state, as shown in figure 4, master control system carries out pitch control according to final calculation result.It is existing mainly according to ocean current
The monitoring data of meter are not accurate enough to judge according to trend flow direction is judged, the master control system of foundation of the present invention is according to multinomial knot
Two-way determination strategy is closed, spindle rotating direction is comprehensively considered and speed estimation trend flow direction is more accurate, to make pitch control more
Accurately.
On the other hand, a kind of control system of the marine tidal-current energy generator group of two-way power generation, including 360 ° of variable pitches of blade are provided
Strategy, trend flow to two-way determination strategy, double-direction control strategy and/or Stator-Quantities Control and and store for realizing corresponding plan
The storage medium of computer program slightly, for realizing the pitch control in above-described embodiment, the judgement of trend flow direction, double-direction control
And direct torque.
Work flow diagram of the invention is shown in Fig. 3, specific:
1) under standby mode, by the elevator of pedestal, unit underwater portion is integrally soaked and is placed in seawater；
2) current meter by the seawater velocity measured, flow to data and be automatically transferred to master control system, the analysis mould of master control system
Block is started by comprehensive descision marine tidal-current energy state further according to preset state value automatically；And data are sent to pitch-controlled system
Carry out blade control；
3) pitch-controlled system control blade opens paddle, carries out blade angular transformation, to realize that blade front is directed at marine tidal-current energy
To；
4) blade of the device is pushed to rotate by the directed flow of sea tide, the angle by controlling blade adjusts paddle
The numerical value of leaf absorption trend energy；
5) blade converts marine tidal-current energy to the kinetic energy of blade rotation by the obtainable lift of trend, then the kinetic energy is passed
Main shaft rotation is driven to device main shaft；
6) main shaft transfers energy to gear-box, after gear-box passes through transformation of speed, drives magneto alternator rotation
Power generation；For the electric energy of generator conversion by cable, the platform being connected to more than sea passes to full power convertor；
7) current transformer control generator electromagnetic torque exists to control generator and blade revolving speed to control blade revolving speed
In certain safe range.Meanwhile by motor electricity can be transformed to power grid with frequency, same-phase, same to amplitude, with the electricity of initial phase angle
It can be sent into power grid, complete marine tidal-current energy power generation process.
8) when current meter detects that tidewater flow velocity, flow direction cut out setting lower than the incision setting of unit or higher than unit
When, master control system can execute halt instruction, make unit orderly closedown.
In addition, security system of the invention is independently of master control system, and priority is higher than all modules of unit.When safety system
After system detects the signal for jeopardizing unit safety operation, each component of unit can not be directly controlled directly to stopping by master control system
Machine condition conversion, protects unit safety in time.
The present invention is realized by pitch-controlled system to the two-way of tide energy using trend flow direction meter measurement seawater flow direction, flow velocity
It captures, in flood tide, at ebb tide can generate electricity, and can realize the capture quantitative to tide energy according to water flow size.And pass through
Master control system, security system and failure monitoring system realize efficient, the safe operation of unit.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
It realizes by means of software and necessary general hardware platform, naturally it is also possible to pass through hardware.Based on this understanding, on
Stating technical solution, substantially the part that contributes to existing technology can be embodied in the form of software products in other words, should
Computer software product may be stored in a computer readable storage medium, such as ROM/RAM, magnetic disk, CD, including several fingers
It enables and using so that a computer equipment (can be personal computer, server or the network equipment etc.) executes each implementation
Method described in certain parts of example or embodiment.
In addition, it will be appreciated by those of skill in the art that although some embodiments in this include institute in other embodiments
Including certain features rather than other feature, but the combination of the feature of different embodiment means in the scope of the present invention
Within and form different embodiments.For example, in detail in the claims, the one of any of embodiment claimed all may be used
Come in a manner of in any combination using.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of marine tidal-current energy generator group of two-way power generation, which is characterized in that connect including unit master control system, current meter and successively
Pitch-controlled system, main shaft, gear-box, generator and and the current transformer connect；
The current meter feeds back to master control system for measuring trend flow direction, and the master control system according to trend for flowing to
Pitch control is carried out with preset variable pitch strategy；
The pitch-controlled system includes blade, and the master control system is connect with pitch-controlled system, makes blade just for controlling blade angle
It is flowed in face of quasi- trend；
The current transformer be furnished with reversible controller, the reversible controller have forward and reverse state machine, for according to flood tide, move back
Time of tide generator is put into forward and backward output and is automatically adjusted state.
2. the marine tidal-current energy generator group of two-way power generation according to claim 1, which is characterized in that the blade can be along its leaf
360 ° of rotation variable pitches of root geometrical axis are for can be carried out two-way capture to trend；
And/or the quantity at least two of the blade, angularly it is arranged in the same plane；
And/or the blade uses the shape with aeroplane engine airfoil type.
3. the marine tidal-current energy generator group of two-way power generation according to claim 1, which is characterized in that the generator is permanent magnetism
Synchronous generator.
4. the marine tidal-current energy generator group of two-way power generation according to claim 1, which is characterized in that the current transformer be with
The full power convertor of four quadrant running function；
And/or the main shaft is metal hollow axis；
And/or the gear-box is step-up gear.
5. the marine tidal-current energy generator group of two-way power generation according to any one of claims 1 to 4, which is characterized in that further include peace
Total system, for detect jeopardize unit safety operation signal and according to detection signal controlling machine group whether shut down；
And/or further include failure monitoring system, it is rotated for the blade to tidal power generating unit, the failure prison in power generation process
It surveys and feeds back to master control system.
6. the marine tidal-current energy generator group of two-way power generation according to any one of claims 1 to 5, which is characterized in that further include using
In installation pitch-controlled system and its wheel hub of blade, the end of the wheel hub is connect with the main shaft；
Sealing structure is equipped between the blade and wheel hub, between wheel hub and main shaft, main shaft and gear-box, gear-box and generator.
7. the marine tidal-current energy generator group of two-way power generation according to any one of claims 1 to 6, which is characterized in that further include peace
The offshore platform of marine tidal-current energy generator group underwater portion is filled, the offshore platform is equipped with hoistable platform, for going up and down marine tidal-current energy
The underwater portion of generating set.
8. the marine tidal-current energy generator group of two-way power generation according to claim 6, which is characterized in that the current transformer is mounted on
On pier, anemobiagraph wind vane is additionally provided on the pier.
9. the marine tidal-current energy generator group of two-way power generation according to any one of claims 1 to 8, which is characterized in that the master control
System includes the analysis module connecting with current meter, and the analysis module is used for according to main shaft direction of rotation, revolving speed and current meter
Measurement data accurate evaluation trend flow direction, the analysis module combine two-way determination strategy to be fitted calculating using multinomial.
10. a kind of control system of the marine tidal-current energy generator group of two-way power generation, which is characterized in that including 360 ° of variable pitch plans of blade
Slightly, trend flows to two-way determination strategy, double-direction control strategy and/or Stator-Quantities Control and storage for realizing corresponding strategy
The storage medium of computer program.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811070955.9A CN108979945A (en) | 2018-09-14 | 2018-09-14 | A kind of the marine tidal-current energy generator group and its system of two-way power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811070955.9A CN108979945A (en) | 2018-09-14 | 2018-09-14 | A kind of the marine tidal-current energy generator group and its system of two-way power generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108979945A true CN108979945A (en) | 2018-12-11 |
Family
ID=64545774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811070955.9A Pending CN108979945A (en) | 2018-09-14 | 2018-09-14 | A kind of the marine tidal-current energy generator group and its system of two-way power generation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108979945A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566398A (en) * | 2019-10-21 | 2019-12-13 | 浙江大学 | Yaw tidal current energy generator set and yaw method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384020A (en) * | 2011-10-13 | 2012-03-21 | 哈尔滨工程大学 | Horizontal shaft pitch-control tide energy water turbine |
| CN203146217U (en) * | 2013-03-29 | 2013-08-21 | 浙江海洋学院 | Flow-guide-type automatically-direction-adjusting variable-pitch horizontal-shaft tidal current energy water turbine |
| CN107131093A (en) * | 2017-07-14 | 2017-09-05 | 国电联合动力技术有限公司 | A kind of Ocean Tidal Current Energy electricity generation system |
| EP3315767A1 (en) * | 2015-06-29 | 2018-05-02 | Hangzhou Lindong New Energy Technology Inc. | Modular two-way power generation device using tidal energy |
| CN108798987A (en) * | 2018-06-11 | 2018-11-13 | 国电联合动力技术有限公司 | A kind of marine tidal-current energy generator group and its generator course changing control monitoring method |
-
2018
- 2018-09-14 CN CN201811070955.9A patent/CN108979945A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384020A (en) * | 2011-10-13 | 2012-03-21 | 哈尔滨工程大学 | Horizontal shaft pitch-control tide energy water turbine |
| CN203146217U (en) * | 2013-03-29 | 2013-08-21 | 浙江海洋学院 | Flow-guide-type automatically-direction-adjusting variable-pitch horizontal-shaft tidal current energy water turbine |
| EP3315767A1 (en) * | 2015-06-29 | 2018-05-02 | Hangzhou Lindong New Energy Technology Inc. | Modular two-way power generation device using tidal energy |
| CN107131093A (en) * | 2017-07-14 | 2017-09-05 | 国电联合动力技术有限公司 | A kind of Ocean Tidal Current Energy electricity generation system |
| CN108798987A (en) * | 2018-06-11 | 2018-11-13 | 国电联合动力技术有限公司 | A kind of marine tidal-current energy generator group and its generator course changing control monitoring method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566398A (en) * | 2019-10-21 | 2019-12-13 | 浙江大学 | Yaw tidal current energy generator set and yaw method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Karimirad | Offshore energy structures: for wind power, wave energy and hybrid marine platforms | |
| CN101626163B (en) | Hybrid wind power generation system | |
| US9777709B2 (en) | Translating foil system for harvesting kinetic energy from wind and flowing water | |
| CN101806282A (en) | Optimized wind power utilization-based low rated wind speed wind power generation control system | |
| EP2963284A1 (en) | Methods and systems to operate a wind turbine system | |
| Gu et al. | Integrated design and implementation of 120-kW horizontal-axis tidal current energy conversion system | |
| Spera | Introduction to modern wind turbines | |
| Starzmann et al. | Field performance testing of a floating tidal energy platform—part 1: power performance | |
| CN209025788U (en) | A kind of marine tidal-current energy generator group of two-way power generation | |
| CN108979945A (en) | A kind of the marine tidal-current energy generator group and its system of two-way power generation | |
| CN209458060U (en) | A kind of marine wind energy solar energy and wave energy combined generating device | |
| Benelghali | On multiphysics modeling and control of marine current turbine systems | |
| CN105649896B (en) | Wind turbines intelligent monitoring operation control system and its control method | |
| US20230383725A1 (en) | Wind speed-tip speed ratio controlled wind turbine apparatus | |
| Saeki et al. | Development of 5-MW offshore wind turbine and 2-MW floating offshore wind turbine technology | |
| Polagye et al. | Micropower from tidal turbines | |
| CN206636688U (en) | With the ocean power generating device for becoming angle transmission mechanism | |
| Lyons et al. | Wind Turbine Technology–The Path to 20% US Electrical Energy | |
| Yusong et al. | The control strategy and simulation of the yaw system for MW rated wind turbine | |
| CN207111292U (en) | A kind of Ocean Tidal Current Energy electricity generation system | |
| Eltamaly | Introduction to Wind Energy System | |
| CN207111295U (en) | A kind of Ocean Tidal Current Energy electricity generation system | |
| CN201696206U (en) | Floating waterpower power generation apparatus with multiple impellers | |
| Miller et al. | A study of an axial-flow turbine for kinetic hydro power generation | |
| Ermakov et al. | Experimental evaluation of phase and velocity control for a cyclorotor wave energy converter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |