CN109086534A - A kind of wind power plant wake flow correction method and system based on CFD fluid mechanic model - Google Patents
A kind of wind power plant wake flow correction method and system based on CFD fluid mechanic model Download PDFInfo
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Abstract
The invention discloses a kind of wind power plant wake flow correction methods and system based on CFD fluid mechanic model, setting wind power plant is divided with θ ° for a wind direction sector, wind field flow field is calculated using wind direction rotary model, it include: according to anemometer tower prevailing wind direction data, the numerical simulator to extend along the x axis according to prevailing wind direction is established, and establishes the wind power plant landform three-dimensional entity model of gridding；The CFD wake model based on Reynolds average Nav i er-Stokes equation is solved, the flow field of above-mentioned prevailing wind direction sector is obtained；It is deflected by topographic coordinate, calculates the flow field of other different wind directions sectors；Above-mentioned each flow field is weighted in conjunction with the wind frequency of different wind direction sectors, final flow field is obtained, for calculating the wake effect between Wind turbines.The present invention is by being added topographic coordinate deflection, and to adapt to the numerical simulation of the CFD hydrodynamics wake model of different wind angles, while the wind frequency for considering each wind direction is weighted, so that velocity wake region is more in line with true flow field.
Description
Technical field
The present invention relates to wind power plant optimization control fields, more particularly to a kind of wind-powered electricity generation based on CFD fluid mechanic model
Field wake flow correction method and system.
Background technique
Wind-power electricity generation continues to increase in the specific gravity of electric system, and Large Scale Wind Farm Integration is usually by several hundred even thousands of typhoon electricity
Unit composition.Wind power plant apoplexy tail stream is affected to downstream blower, and the wake flow calculating of blower is increasingly paid close attention to.In tail
It flows in region, the unit spacing between different blowers, the lineament and wind characteristic of wind power plant, wake flow can all be assessed and be produced
It is raw to influence, therefore accurate evaluation need to be carried out to the Wind turbines by wake effect.
Study wind energy conversion system wake effect method, usually there are two types of.One is being leading Park with semiempirical model,
The wake models such as Jansen.Under the premise of not considering the factors such as turbulent flow, it is assumed that blower velocity wake region is according to certain model mode
It is diffused, the available guarantee of computational efficiency, but wake effect often estimates deficiency.Another kind is based on Reynolds average
The CFD wake model of Navier-Stokes equation, which is simulated, to be calculated, can be relatively accurate due to having fully considered tubulence energy characteristic
Estimate wake flow distribution situation, but it still needs further improvement for its accuracy.
It can be seen that above-mentioned existing wind power plant wake flow calculation method, it is clear that there are still there is inconvenient and defect, and urgently plus
To be further improved.How a kind of wind power plant wake flow correction method that may make velocity wake region be more in line with true flow field is founded
And system, become the target that current industry needs to improve.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of wind power plant wake flow side of correcting based on CFD fluid mechanic model
Method and system, so that velocity wake region is more in line with true flow field.
In order to solve the above technical problems, the present invention adopts the following technical scheme:
A kind of wind power plant wake flow correction method based on CFD fluid mechanic model sets wind power plant with θ ° as a wind direction
Sector is divided, and is calculated wind field flow field using wind direction rotary model, is included the following steps:
S101 establishes the Numerical-Mode to extend along the x axis according to prevailing wind direction according to the prevailing wind direction data of wind power plant anemometer tower
Analog model, and establish the wind power plant landform three-dimensional entity model of gridding；
S102 solves the CFD wake model based on averaged Navier-Stokes equation, obtains above-mentioned prevailing wind direction fan
The flow field in area；
S103 is deflected by topographic coordinate, calculates the flow field of other different wind directions sectors；
S104 is weighted above-mentioned each flow field in conjunction with the wind frequency of different wind direction sectors, obtains final wake flow stream
, for calculating the wake effect between Wind turbines.
It is further improved as the present invention, the wind power plant landform three-dimensional entity model tool of gridding is established in the S101
Body are as follows: according to wind power plant and topographic contour data and coarseness data in peripheral extent, establish contour line data and coarse
The three-dimensional entity model of degree evidence determines wind power plant upper air flow field regions and establishes flow field regions grid.
Further, the CFD wake model based on averaged Navier-Stokes equation, the k- ε of selection standard
Turbulence model is solved.
Further, the S103 the specific steps of which are as follows:
A) based on two blower entities coordinate system XOY in S102 on prevailing wind direction；Behind the wind deflection angle θ, establish
Deflection coordinate system X ' OY '；
B) in former coordinate system, coordinate point is (X1, Y1)；In deflection coordinate system, coordinate point is (X2, Y2), it can root
The wake effect of different sectors is calculated according to the correlation of former coordinate system and conversion coordinate system.
Further, the transformational relation between the coordinate system are as follows:
Further, in described S102, S103, according at wind power plant anemometer tower count wind speed, wind direction, wind frequency evidence,
It calculates the corresponding data at blowing machine site, and then solves the CFD wake flow mould based on averaged Navier-Stokes equation
Type.
Further, described θ ° is 30 °.
Further, described θ ° is 45 °.
Further, in the S104, final flow field is indicated with electric energy E, when being 30 ° for described θ °, is calculated
Formula are as follows:
In above formula, wake flow wind speed V after blowerwakeThe wind speed of flow field corresponding to the i-th wind direction sector, respectively by
S102, S103, which are calculated, to be obtained, and ρ is atmospheric density, and η is blower energy transformation ratio,
For the wind frequency of the i-th wind direction sector.
System is corrected the present invention also provides a kind of wind power plant wake flow based on CFD fluid mechanic model, including memory,
Processor and it is stored in the computer program that can be run on the memory and on the processor, the processor executes institute
Above-mentioned method and step is realized when stating computer program.
By using above-mentioned technical proposal, the present invention has at least the following advantages:
The present invention is added ground on the basis of solving the CFD wake model based on averaged Navier-Stokes equation
The deflection of shape coordinate, to adapt to the numerical simulation of the CFD hydrodynamics wake model of different wind angles, while considering each wind direction
Wind frequency be weighted so that velocity wake region is more in line with true flow field.
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 wind power plant regional network trrellis diagram established in the embodiment of the present invention；
Fig. 2 is the wind direction counted at anemometer tower in the embodiment of the present invention, wind frequency according to rose figure (A) and wind speed profile figure
(B)；
Fig. 3 is the coordinate system transition diagram in the embodiment of the present invention；
Fig. 4 is the wake flow calculation flow chart of the embodiment of the present invention.
Specific embodiment
In velocity wake region, unit spacing between different blowers, the lineament and wind characteristic of wind power plant all can
Wake flow assessment is had an impact, therefore accurate evaluation need to be carried out to the Wind turbines by wake effect.
A kind of wind power plant wake flow correction method based on CFD fluid mechanic model is present embodiments provided, wind power plant is set
Divided by θ ° for a wind direction sector (for θ °=30 °, then it is divided into 12 wind direction sectors, such as θ °=45 °,
Then it is divided into 8 sectors), on the basis of above-mentioned wind direction sector divides, flow field is calculated using wind direction rotary model, can be used
Wake effect between calculating Wind turbines (blower).
Refering to what is shown in Fig. 4, it includes the following steps:
S101 establishes the Numerical-Mode to extend along the x axis according to prevailing wind direction according to the prevailing wind direction data of wind power plant anemometer tower
Analog model, and establish the wind power plant landform three-dimensional entity model of gridding；
S102 solves the CFD wake model based on averaged Navier-Stokes equation, obtains above-mentioned prevailing wind direction fan
The flow field in area；
S103 is deflected by topographic coordinate, calculates the flow field of other different wind directions sectors；
S104 is weighted above-mentioned each flow field in conjunction with the wind frequency of different wind direction sectors, obtains final wake flow stream
, for calculating the wake effect between Wind turbines.
It is carried out below explanation is developed in details.
S101 establishes the Numerical-Mode to extend along the x axis according to prevailing wind direction according to the prevailing wind direction data of wind power plant anemometer tower
Analog model first selects a prevailing wind direction sector, according to the prevailing wind direction data of wind power plant anemometer tower, establish according to prevailing wind direction along X
The numerical simulator that axis direction extends；Foundation wind power plant and topographic contour data and coarseness data in peripheral extent,
The three-dimensional entity model for establishing contour line data and coarseness data determines wind power plant upper air flow field regions and establishes flow field
Area grid (as shown in Figure 1).
S102 can be calculated at blowing machine site according to wind speed, the wind direction, wind frequency evidence counted at wind power plant anemometer tower
Corresponding data, and then solve averaged Navier-Stokes wake model and obtain flow field, solve Reynolds average
Turbulence model in Navier-Stokes wake model will be described by Navier-Stokes equation, as follows:
It can be seen from the above, N-S equation can be analyzed to the conservation of mass and Newton's second law, wherein ρ is atmospheric density, and t is
Time, P are static pressure, uiFor velocity component, FiFor volume force component.It, need to be to viscous stress tensor τ to be closed equationijTable
It states as follows:
μ is laminar flow viscosity, deformation-rate tensorδijFor Kerodiler function, as i=j
It is 1, is 0 as i ≠ j,Eddy stress is expressed as follows:
Here our the k- ε turbulence models of selection standard obtain to solve, while turbulent viscosity iscuIt takes
0.09。
S103 is deflected by topographic coordinate, calculates the flow field of other different wind directions sectors.Wind power plant is set with 30 °
It is divided for a wind direction sector, the corresponding wind speed in each sector, wind direction, wind frequency are as shown in Fig. 2, its step are as follows: A) establishing
Two blower entities coordinate system XOY of prevailing wind direction；B) behind 30 ° of angles of wind deflection, deflection coordinate system X ' OY ' is established；C) in former coordinate
In system, coordinate point is (X1, Y1)；In deflection coordinate system, coordinate point is (X2, Y2), it can be sat according to former coordinate system and conversion
The correlation of mark system calculates the wake effect of different sectors.Then after 30 ° of wind deflection, new coordinate system is stated with former coordinate
Under relationship be (cooperation Fig. 3 shown in):
S104 is weighted according to the wind frequency of different wind direction sectors, is obtained flow field, be can be used for calculating between Wind turbines
Wake effect.Wake model is controlled using the wind frequency of a wind direction, when wind field is divided with 30 ° for a sector
That is:
Wake flow wind speed V after its blowerwakeThe wind speed of flow field corresponding to the i-th wind direction sector, respectively by S102, S103
It calculating and obtains (being obtained by N-S Fluid Mechanics Computation equation), ρ is atmospheric density,
η is blower energy transformation ratio,For the wind frequency of the i-th wind direction sector, sky can be drawn up with Numerical-Mode by model above
The wind speed of air-flow field areas is weighted by CFD fluid mechanic model calculation process and each wind direction wind frequency, and optimization calculates fluid force
Learn model result.
Wind power plant wake flow correction method based on CFD fluid mechanic model of the invention, S102 are existing mature technology；This
Invention essentially consists in its contribution, is corrected on the basis of above-mentioned CFD fluid mechanic model, S103 and S104 are to wake flow
Model method improves, and topographic coordinate deflection is added after improvement, to adapt to the number of the CFD hydrodynamics wake model of different wind angles
Value simulation, while the wind frequency of each wind direction is considered, so that velocity wake region is more in line with true flow field.
The present embodiment additionally provides a kind of wind power plant wake flow based on CFD fluid mechanic model and corrects service system, including
Memory, processor and it is stored in the computer program that can be run on the memory and on the processor, the processing
The step of device realizes the above method when executing the computer program.It, can be in wind using above-mentioned wind power plant wake flow computing system
Electric field early construction needs to make accurate evaluation to the velocity wake region after blower, so that velocity wake region is more in line with true flow field.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, this
Field technical staff makes a little simple modification, equivalent variations or modification using the technology contents of the disclosure above, all falls within this hair
In bright protection scope.
Claims (10)
1. a kind of wind power plant wake flow correction method based on CFD fluid mechanic model, which is characterized in that setting wind power plant with θ ° is
One wind direction sector is divided, and is calculated wind field flow field using wind direction rotary model, is included the following steps:
S101 establishes the numerical simulation mould to extend along the x axis according to prevailing wind direction according to the prevailing wind direction data of wind power plant anemometer tower
Type, and establish the wind power plant landform three-dimensional entity model of gridding；
S102 solves the CFD wake model based on averaged Navier-Stokes equation, obtains above-mentioned prevailing wind direction sector
Flow field；
S103 is deflected by topographic coordinate, calculates the flow field of other different wind directions sectors；
S104 is weighted above-mentioned each flow field in conjunction with the wind frequency of different wind direction sectors, obtains final flow field, use
Wake effect between calculating Wind turbines.
2. the wind power plant wake flow correction method according to claim 1 based on CFD fluid mechanic model, which is characterized in that
The wind power plant landform three-dimensional entity model of gridding is established in the S101 specifically: according to the ground in wind power plant and peripheral extent
Shape contour line data and coarseness data establish the three-dimensional entity model of contour line data and coarseness data, determine wind power plant
Upper air flow field regions simultaneously establish flow field regions grid.
3. the wind power plant wake flow correction method according to claim 1 based on CFD fluid mechanic model, which is characterized in that
The k- ε turbulence model of the CFD wake model based on averaged Navier-Stokes equation, selection standard is solved.
4. the wind power plant wake flow correction method according to claim 1 based on CFD fluid mechanic model, which is characterized in that
The S103 the specific steps of which are as follows:
A) based on two blower entities coordinate system XOY on prevailing wind direction；Behind the wind deflection angle θ, deflection coordinate system is established
X′OY′；
B) in former coordinate system, coordinate point is (X1, Y1)；In deflection coordinate system, coordinate point is (X2, Y2), it can be according to original
The correlation of coordinate system and conversion coordinate system calculates the wake effect of different sectors.
5. the wind power plant wake flow correction method according to claim 4 based on CFD fluid mechanic model, which is characterized in that
Transformational relation between the coordinate system are as follows:
6. the wind power plant wake flow correction method according to claim 1 based on CFD fluid mechanic model, which is characterized in that
In described S102, S103, according to wind speed, the wind direction, wind frequency evidence counted at wind power plant anemometer tower, calculate at blowing machine site
Corresponding data, and then solve the CFD wake model based on averaged Navier-Stokes equation.
7. the wind power plant wake flow correction method according to claim 1 based on CFD fluid mechanic model, which is characterized in that
Described θ ° is 30 °.
8. the wind power plant wake flow correction method according to claim 1 based on CFD fluid mechanic model, which is characterized in that
Described θ ° is 45 °.
9. the wind power plant wake flow correction method according to claim 1 based on CFD fluid mechanic model, which is characterized in that
In the S104, final flow field is indicated with electric energy E, when being 30 ° for described θ °, its calculation formula is:
In above formula, wake flow wind speed V after blowerwakeThe wind speed of flow field corresponding to the i-th wind direction sector, respectively by S102, S103
It calculating and obtains, ρ is atmospheric density, and η is blower energy transformation ratio,
For the wind frequency of the i-th wind direction sector.
10. a kind of wind power plant wake flow based on CFD fluid mechanic model corrects system, which is characterized in that including memory, processing
Device and it is stored in the computer program that can be run on the memory and on the processor, the processor executes the meter
The step of described in any item methods of the claims 1 to 9 are realized when calculation machine program.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109946765A (en) * | 2019-04-02 | 2019-06-28 | 上海电气风电集团有限公司 | The prediction technique and system in the flow field of wind power plant |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103500370A (en) * | 2013-10-21 | 2014-01-08 | 华北电力大学 | Establishment method of wind direction coordinate precomputation system of dynamic wind power plant |
| CN103996074A (en) * | 2014-05-07 | 2014-08-20 | 河海大学 | CFD and improved PSO based microscopic wind-farm site selection method of complex terrain |
| US20160146190A1 (en) * | 2014-11-24 | 2016-05-26 | General Electric Company | Systems and methods for optimizing operation of a wind farm |
| CN106919731A (en) * | 2015-12-25 | 2017-07-04 | 中国电力科学研究院 | A kind of Wind turbines wake flow for different wind angles determines method |
| CN107194097A (en) * | 2017-05-27 | 2017-09-22 | 中国大唐集团科学技术研究院有限公司 | Analysis method based on wind power plant pneumatic analog and wind speed and direction data |
-
2018
- 2018-08-10 CN CN201810907627.3A patent/CN109086534B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103500370A (en) * | 2013-10-21 | 2014-01-08 | 华北电力大学 | Establishment method of wind direction coordinate precomputation system of dynamic wind power plant |
| CN103996074A (en) * | 2014-05-07 | 2014-08-20 | 河海大学 | CFD and improved PSO based microscopic wind-farm site selection method of complex terrain |
| US20160146190A1 (en) * | 2014-11-24 | 2016-05-26 | General Electric Company | Systems and methods for optimizing operation of a wind farm |
| CN106919731A (en) * | 2015-12-25 | 2017-07-04 | 中国电力科学研究院 | A kind of Wind turbines wake flow for different wind angles determines method |
| CN107194097A (en) * | 2017-05-27 | 2017-09-22 | 中国大唐集团科学技术研究院有限公司 | Analysis method based on wind power plant pneumatic analog and wind speed and direction data |
Cited By (20)
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|---|---|---|---|---|
| CN109946765B (en) * | 2019-04-02 | 2021-05-07 | 上海电气风电集团股份有限公司 | Prediction method and system for flow field of wind power plant |
| CN109946765A (en) * | 2019-04-02 | 2019-06-28 | 上海电气风电集团有限公司 | The prediction technique and system in the flow field of wind power plant |
| CN110990963B (en) * | 2019-10-09 | 2023-04-07 | 深圳先进技术研究院 | Fan interval optimization method and device and computer readable storage medium |
| CN110990963A (en) * | 2019-10-09 | 2020-04-10 | 深圳先进技术研究院 | Fan interval optimization method and device and computer readable storage medium |
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| CN112883665A (en) * | 2021-02-26 | 2021-06-01 | 中国长江三峡集团有限公司 | Method for correcting observation data of historical wind field of meteorological station |
| CN112883665B (en) * | 2021-02-26 | 2022-08-30 | 中国长江三峡集团有限公司 | Method for correcting observation data of historical wind field of meteorological station |
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