CN107965422B - Wind energy conversion system Bracing Systems on a kind of stretched wire line style combined type sea - Google Patents
Wind energy conversion system Bracing Systems on a kind of stretched wire line style combined type sea Download PDFInfo
- Publication number
- CN107965422B CN107965422B CN201711348398.8A CN201711348398A CN107965422B CN 107965422 B CN107965422 B CN 107965422B CN 201711348398 A CN201711348398 A CN 201711348398A CN 107965422 B CN107965422 B CN 107965422B
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- China
- Prior art keywords
- tension
- tension key
- catenary
- key
- spar
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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
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
- F03D13/25—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors specially adapted for offshore installation
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- 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 wind energy conversion system Bracing Systems on a kind of stretched wire line style combined type sea, it has installed Spar additional based on existing tension leg type marine windmill concept, and uses catenary tension key and formed.Structural system is made of tower, floating drum, Spar and catenary tension key.Wherein, catenary tension key, can effective limiting structure moving range, and alleviate structure it is mobile when tension key internal force mutation amplitude, reduce the probability of tension key failure.Spar are arranged below tower, by loading different pressur loading weights, can carry out structure construction righting, also the height of C.G. during the work of regulating wind power machine, improves the stability of structure, the rollover unstability of structure after avoiding tension key from failing；The present invention inherits the respective advantage of catenary mooring Yu Spar, form it is a kind of construction it is convenient, buoyancy performance is good, the combined type marine windmill Bracing Systems that tension key failure probability is small, structure stability is good.
Description
Technical field
The present invention relates to a kind of novel marine windmill Bracing Systems, specifically marine to conventional tension leg formula
Improvement is optimized in wind energy conversion system Bracing Systems, absorbs Spar formula floating drum with the advantages of catenary tension key and combines shape
At a kind of structural system, this novel support structure system can preferably ensure wind energy conversion system safety be on active service.
Background technique
For land wind-powered electricity generation, offshore wind farm has following unique advantage, and e.g., wind field is wide, wind-force is stable, wind-powered electricity generation
Capacity of power unit is big, by criteria for noise limit it is small, can economize the land resource, be conducive to realization scale etc..Tension leg type is marine
Wind energy conversion system (Tension Leg Platform Wind Turbine, TLPWT) is evolved by tension leg platform (TLP), is suitable for
Etc. the depth of waters sea area, it is fixed using the key mooring of vertical type tension, 3 to 4 spar structures are installed in the tower bottom of wind energy conversion system,
Floating drum cross sectional shape is mostly circle or rectangular, and floating drum can provide buoyancy for overall structure.Tension key both ends respectively with the end of floating drum
Portion is connected with seabed, and when normal service, tension key is in tensioning state.Because structure is simple, tension leg type Oversea wind equipment
There are wide application and promotion prospect.But tension leg type marine windmill is when encountering severe sea condition, it may occur that lateral to move
It moves, and then cause tension key that must generate sufficiently large internal force could effectively constrain wind energy conversion system, tension key internal force
Increase the risk for increasing its failure, tension key can cause the rollover of entire wind energy conversion system after failing in succession.Marine windmill is often
Distribution in flakes forms marine wind field, if the wind energy conversion system to collapse collides during drifting about with other wind energy conversion systems,
The destruction of other wind energy conversion systems will continuously be caused.On the whole, existing marine windmill Bracing Systems exist as follows substantially
It is some insufficient:
1), vertical its internal force of tension key is more sensitive to the variation of external loads, especially for the change of lateral load
Change, structure tension key internal force under the action of severe sea condition easily increases and then exist the risk of failure, and the failure of tension key must
It will lead to the rollover of wind energy conversion system entirety, therefore, the safety of tension key will have a direct impact on the service life of entire wind energy conversion system.
2), the whole stability of wind machine structure is poor.The supporting structure of wind energy conversion system ties up to biggish wind, wave, stream loading
Under effect, the tension key of tensioning state is once fail, and total system turns on one's side run-off the straight, and the wind energy conversion system on top will be fallen
Water failure.And often large stretch of arrangement forms wind field to marine windmill, the fracture of single tension key will lead to the rollover of structure into
And leading to the successive fracture of other tension keys, structure will drift about in the lower of unconfined situation, endanger other wind of wind field
The safety of power machine.
In view of the above deficiencies, the invention proposes wind energy conversion system Bracing Systems on a kind of stretched wire line style combined type sea, open
The characteristics of power key (4) uses catenary form, can provide horizontal direction and vertical direction component using catenary, opens to reduce
Power key (4) bears the internal force under horizontal loads in wind energy conversion system, to reduce the failure probability of tension key (4), Jin Eryan
The service life of tension key is grown.Meanwhile installing the height of C.G. that Spar (5) are used to adjustment structure additional below tower (2), it mentions
The stability of high structure, while facilitating the righting in structure installation process and the installation of tension key.
Summary of the invention
The object of the present invention is to provide wind energy conversion system Bracing Systems on a kind of stretched wire line style combined type sea, using catenary
Formula tension key (4) carrys out the translation and rotation of restraining structure, can effectively provide horizontal and vertical both direction point by catenary
The characteristics of power, can effectively reduce the internal force peak value of wind energy conversion system tension key during one's term of military service, and then reduce the fracture probability of tension key.
In order to reach above-mentioned function, the present invention provides wind energy conversion system supporting structures on a kind of stretched wire line style combined type sea
System, it is formed by traditional tension leg type marine windmill structural improvement, and the present invention is the tower in tension leg type marine windmill
Cylinder (2) is additionally arranged at the bottom Spar (5).
The Spar cylinder (5) of wind energy conversion system Bracing Systems can fill ballast on a kind of above-mentioned stretched wire line style combined type sea, pass through
The adjustment of ballast size reaches reduction structural focus, improves the purpose of structure stability.Ballast is in structures slope, rollover Shi Keti
For righting moment, the stability of structure can be effectively improved.
Wind energy conversion system Bracing Systems on a kind of above-mentioned stretched wire line style combined type sea, wherein floating drum (3) is with radial, phase
The mutual equal mode of angle is arranged symmetrically in the periphery of tower (2), and the cross sectional shape of floating drum (3) is round, rectangle or polygon,
Part buoyancy can be provided for structure, and be also the main source of structure reserve buoyancy.
Wind energy conversion system Bracing Systems on a kind of above-mentioned stretched wire line style combined type sea, wind energy conversion system during one's term of military service, catenary
Formula tension key (4) is in tensioning state, constrains moving freely and rotating for wind machine structure, has ensured that marine windmill can be with
The trouble free service in certain scope of activities.
Above-mentioned novel combination type marine windmill Bracing Systems, wherein being carried out using catenary tension key (4)
Mooring works as wind machine structure since the tension of catenary tension key (4) can provide the horizontal component with vertical both direction
When being occurred mobile by larger external force, limiting the mobile part catenary tension key (4) occurred will further open
Tightly, while its efficiency for generating horizontal component will improve, and limiting structure displacement further increases, and towards moving direction
The tension of part catenary tension key (4) is since relaxation can decline, and until horizontal component is zero, this will also mitigate internal force and has increased
Big part catenary tension key (4) internal force further increases；Due to the cooperation of both direction tension key (4), and
The raising of horizontal component efficiency is provided during power key (4) tensioning, tension key is can effectively avoid and is moved horizontally in wind energy conversion system
The occurrence of tension is uprushed in the process, and then can reduce the probability of tension key failure, to improve equipment safety military service
Ability.
Wind energy conversion system Bracing Systems on a kind of above-mentioned stretched wire line style combined type sea, wherein catenary tension key (4)
Failure probability is reduced, therefore the probability that tension key occurs continuously to fail will also decrease.
Wind energy conversion system Bracing Systems on a kind of above-mentioned stretched wire line style combined type sea, using catenary tension key (4), this
The tension key-shaped shape of kind Mooring Arrangements is a catenary, is not easy to directly determine shape, shape can be sent out with the variation of floading condition
Raw corresponding variation, catenary tension key (4) play the effect of contraction to structure by the active accommodation of shape.
Wind energy conversion system Bracing Systems on a kind of above-mentioned stretched wire line style combined type sea, wherein even if any catenary
Tension key (4) is broken, and can also guarantee that structure is not turned on one's side, and is reduced under the action of Spar (5) righting moments of flexure
Influence of the failure of individual catenary tension keys (4) to total can effectively avoid the overboard broken of structure upper wind energy conversion system
It is bad.
Wind energy conversion system Bracing Systems on a kind of above-mentioned stretched wire line style combined type sea, due to the presence of Spar (5), structure
The adjustment of structure vertical position, then plus catenary tension key (4) can be carried out when installing in place according to the vertical height of tension key
The physical length feature larger compared with its both ends linear distance, the installation of entire tension key (4) in place with the application of pretension hardly possible
Degree will reduce.
Wind energy conversion system Bracing Systems on a kind of above-mentioned stretched wire line style combined type sea, due to using catenary tension key
(4), this structural system can be applied in deep-sea field, breaches conventional tension leg formula marine windmill and is only applicable to shallow sea
Defect.
The present invention provides wind energy conversion system Bracing Systems on a kind of stretched wire line style combined type sea, structure has preferably floating
Property, stability with resist the ability of failure damage.Supporting structure ties up to the same of inheriting tradition tension leg type marine windmill advantage
When, due to Spar (5) there are the stabilities of total to be improved, it is whole due to the presence of catenary tension key (4)
A structural tension key failure is drifted about, and jeopardizing other wind energy conversion system possibilities will reduce.
Detailed description of the invention
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments:
Fig. 1 is wind energy conversion system Bracing Systems schematic diagram on a kind of stretched wire line style combined type sea of the invention.
Fig. 2 is the combination diagram of structure of the invention system.
Fig. 3 is catenary tension key force simplified schematic diagram in the present invention.
Specific embodiment
Below in conjunction with attached drawing, specific embodiments of the present invention will be further explained.
As shown in figs. 1 and 2, on a kind of stretched wire line style combined type sea of the invention wind energy conversion system Bracing Systems mainly by wind
Power machine (1), tower (2), floating drum (3), catenary tension key (4) and Spar (5) compositions.
The present invention is wind energy conversion system Bracing Systems on a kind of stretched wire line style combined type sea, with better stability and is resisted
Fracture ability.Spar (5) with catenary suspension type continuous vulcanization tension key (4) application substantially increase the stability of structure and the anti-fracture of tension key
Ability also reduces the difficulty of construction of structure.
As shown in figs. 1 and 2, wind energy conversion system Bracing Systems on a kind of stretched wire line style combined type sea of the present invention, are by tradition
Tension leg type marine windmill by installing Spar (5) and optimization vertical type tension key additional as catenary tension key (4) and
A kind of knockdown structural system obtained.
As shown in figs. 1 and 2, Spar (5) certain depths being located under sea, in this way setting not only reduce wave lotus
The enormous impact of load acts on, while also reducing the center of gravity of total, improves the stability of structure.
As shown in figure 3, catenary tension key (4) can effectively provide the component of horizontal and vertical both direction, component
The ratio of size changes with the variation of catenary shape.
Wind energy conversion system Bracing Systems on a kind of stretched wire line style combined type sea of the present invention have stability height, anti-fracture failure
Ability it is good, construction it is convenient, suitable application area is wide the advantages that.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (2)
1. wind energy conversion system Bracing Systems on a kind of stretched wire line style combined type sea, it is characterised in that: Bracing Systems are by tower
(2), floating drum (3), tension key (4), spar (5) compositions；Wherein, floating drum (3) is arranged symmetrically along tower (2) peripheral radial；
It is located at the bottom of tower (2) for Spar (5), by filling ballast in Spar (5), to reduce the height of C.G. of total,
Improve the stability of structure；Ballast G meeting when tower (2) run-off the straight of structure, when generating the angle θ with plumb line, in Spar (5)
Righting moment M is generated, in the case where the failure of tension key, inclination angle theta can be strictly limited in certain model by the presence of Spar (5)
Within enclosing, the generation for preventing structure from turning on one's side, i.e. θ ∈ (- C ,+C), wherein C < 90 °, the size of C can by the size of ballast into
Row regulation；Furthermore the vertical height of total system can be reduced by increasing the ballast G in Spar (5), and then conveniently
The installation of tension key (4) is in place, and catenary tension key (4) is symmetrically arranged on the free end of floating drum (3), subtracts after installation
Few ballast G, is tensioned tension key (4) by the buoyancy of structure, and catenary tension key (4) is in tensioning state, and then realizes
Constraint of the tension key (4) to total；Bracing Systems use catenary tension key (4), are installed on floating drum (3)
Free end, catenary tension key (4) can provide horizontal direction pulling force FxWith vertical tension Fy, avoid conventional vertical tension
The key defect that internal force sharply increases when providing horizontal pull can effectively prevent the generation of tension key failure, set to improve
The standby ability being on active service safely；Floating drum (3) and catenary tension key (4) are arranged symmetrically along tower (2) peripheral radial, floating drum (3)
Enough buoyancy P can be provided for structure with the tower (2) of underwater, floating drum (3) also provides reserve buoyancy, catenary for structure
Tension key (4) is in tensioning state, the moving range of stringent limiting structure, the vertical force component F of the tensile force F of tension key (4)yIt can
The heaving effect of wind energy conversion system is effectively reduced；Catenary tension key (4) can effectively provide point of horizontal and vertical both direction
The ratio of power, component size changes with the variation of catenary shape.
2. wind energy conversion system Bracing Systems on a kind of stretched wire line style combined type sea according to claim 1, it is characterised in that:
Catenary tension key (4) can symmetrically be connected to the free end of floating drum (3).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711348398.8A CN107965422B (en) | 2017-12-15 | 2017-12-15 | Wind energy conversion system Bracing Systems on a kind of stretched wire line style combined type sea |
| PCT/CN2018/120262 WO2019114691A1 (en) | 2017-12-15 | 2018-12-11 | Combined offshore wind turbine support structural system |
| CH00461/20A CH715604B1 (en) | 2017-12-15 | 2018-12-11 | Support structure system for an offshore wind turbine. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711348398.8A CN107965422B (en) | 2017-12-15 | 2017-12-15 | Wind energy conversion system Bracing Systems on a kind of stretched wire line style combined type sea |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107965422A CN107965422A (en) | 2018-04-27 |
| CN107965422B true CN107965422B (en) | 2019-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711348398.8A Expired - Fee Related CN107965422B (en) | 2017-12-15 | 2017-12-15 | Wind energy conversion system Bracing Systems on a kind of stretched wire line style combined type sea |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107965422B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019114691A1 (en) * | 2017-12-15 | 2019-06-20 | 上海海事大学 | Combined offshore wind turbine support structural system |
| CN114215700A (en) * | 2021-12-31 | 2022-03-22 | 上海刊宝科技有限公司 | A whole platform of stretch-draw for offshore wind power generation |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101624964A (en) * | 2008-07-08 | 2010-01-13 | 西门子公司 | Arrangement for stabilization of a floating foundation |
| CN101915202A (en) * | 2010-07-15 | 2010-12-15 | 上海交通大学 | Wind energy and wave energy combined generating system |
| CN103282274A (en) * | 2010-11-04 | 2013-09-04 | 缅因大学系统理事会 | Floating hybrid composite wind turbine platform and tower system |
| CN103517850A (en) * | 2011-03-07 | 2014-01-15 | 日本日联海洋株式会社 | Spar type floating structure |
| CN107235125A (en) * | 2017-05-24 | 2017-10-10 | 浙江大学 | A kind of multicolumn spar types floating fan platform |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202295230U (en) * | 2011-09-20 | 2012-07-04 | 中国水电顾问集团华东勘测设计研究院 | Floating-type offshore wind power foundation |
| WO2013137744A1 (en) * | 2012-03-13 | 2013-09-19 | Ntnu Technology Transfer As | Floating wind turbine with wave energy converter |
-
2017
- 2017-12-15 CN CN201711348398.8A patent/CN107965422B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101624964A (en) * | 2008-07-08 | 2010-01-13 | 西门子公司 | Arrangement for stabilization of a floating foundation |
| CN101915202A (en) * | 2010-07-15 | 2010-12-15 | 上海交通大学 | Wind energy and wave energy combined generating system |
| CN103282274A (en) * | 2010-11-04 | 2013-09-04 | 缅因大学系统理事会 | Floating hybrid composite wind turbine platform and tower system |
| CN103517850A (en) * | 2011-03-07 | 2014-01-15 | 日本日联海洋株式会社 | Spar type floating structure |
| CN107235125A (en) * | 2017-05-24 | 2017-10-10 | 浙江大学 | A kind of multicolumn spar types floating fan platform |
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| CN107965422A (en) | 2018-04-27 |
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