A method, device, and medium for arranging wind turbines in a wind farm area.

Abstract

This invention discloses a method, device, and medium for arranging wind turbines in a wind farm area, applicable to the field of wind farm design. This arrangement method sets turbine positions on grid nodes, considering various conditions such as different prevailing wind directions, restricted areas, and multiple spacing ranges for wind turbines. While considering different prevailing wind directions, it also considers restricted areas, deleting grid nodes located within these areas. Furthermore, it adjusts the lateral or longitudinal spacing of the ellipses to draw different ellipses, deleting grid nodes within the ellipses except for the center point of the turbine placement location. This ensures a certain spacing range between wind turbines, minimizing the wake effect between them. It avoids the problem of relying on manual experience for individual arrangement, which can lead to suboptimal wake losses. This method achieves a superior wake loss reduction effect from the arrangement method.

Description

Technical Field

[0001] This invention relates to the field of wind farm design, and in particular to a method, apparatus and medium for arranging wind turbines in a wind farm area. Background Technology

[0002] With the large-scale grid connection of new energy sources in my country, when wind turbines are arranged in the field, after the wind turbines obtain energy from the wind, the wake zone is formed downstream of the wind turbine due to the decrease in wind speed. Some downstream wind turbines are located in the wake zone of the upstream wind turbines, which reduces the wind energy absorbed by the downstream wind turbines and reduces the power output, thus reducing the total output power of the wind farm. Therefore, the wake effect of wind turbines is an important factor to consider.

[0003] Typically, the layout of wind turbines in a wind farm relies mainly on manual experience. This involves a macroscopic analysis of the wind resources in the wind farm, followed by the placement of each turbine based on specific prevailing wind directions, specific spacing ranges for the turbines, and restrictive factors such as areas where cables cannot be laid (e.g., areas with protected cultural relics or mining areas). This approach cannot simultaneously consider multiple prevailing wind directions, multiple spacing ranges for the turbines, and various restrictive factors, resulting in a layout that cannot guarantee optimal performance.

[0004] Therefore, finding a suitable arrangement method for wind turbines in a wind farm is a problem that urgently needs to be solved by those skilled in the art. Summary of the Invention

[0005] The purpose of this invention is to provide a method, device and medium for arranging wind turbines in a field, so that the wake loss generated by the arrangement method can achieve a better effect.

[0006] To solve the above-mentioned technical problems, the present invention provides a method for arranging wind turbines in a wind farm area, comprising:

[0007] Obtain the prevailing wind direction, lateral spacing, longitudinal spacing, step length, and step angle of the current field area, where the lateral spacing is smaller than the longitudinal spacing;

[0008] The angular range of the prevailing wind direction is obtained by using progressive angles and threshold angles.

[0009] Select the minimum wind direction within the angle range and rotate the grid to make it perpendicular to the minimum wind direction;

[0010] In the rotated mesh, the mesh nodes located outside the field boundary are deleted, and the mesh nodes located in the restricted area within the field are deleted to obtain the first mesh;

[0011] Select a grid node within the first grid as the center point for drawing the ellipse, and adjust the horizontal or vertical spacing according to the progressive step size as the axis of the ellipse to draw the ellipse.

[0012] Delete all grid nodes inside the ellipse except for the center point and use the center point as the location for the arrangement.

[0013] Preferably, the step size values ​​for adjusting the horizontal spacing and adjusting the vertical spacing are different, wherein the step size value for the horizontal spacing is smaller than the step size value for the vertical spacing.

[0014] Preferably, after deleting all grid nodes within the ellipse except for the center point, the arrangement of machine points can also be obtained in the following way:

[0015] The first grid formed by the center points is used as the second grid;

[0016] Select the first and last rows of the second grid, project the first row of grid nodes to the field boundary in the opposite direction of the minimum angular wind direction, and project the last row of grid nodes to the field boundary in the same direction as the minimum angular wind direction. The first row is the row closest to the minimum angular wind direction.

[0017] Adjust the spacing of all lines except the first and last lines;

[0018] Determine whether the end grid nodes of other rows are within the preset range of the field boundary;

[0019] If not, the end grid node will be moved to the preset range along the direction of the minimum vertical wind angle;

[0020] Calculate the first distance between the end grid nodes of the other rows after translation;

[0021] Divide the grid nodes in the current row of the end grid node into equal parts based on the first distance;

[0022] The grid nodes projected onto the boundary of the field area and the equally divided grid nodes are used as the machine point locations for arrangement.

[0023] Preferably, after deleting all grid nodes within the ellipse except for the center point, the arrangement of machine points can also be obtained in the following way:

[0024] Rotate the first and last rows of the second grid by a preset angle;

[0025] Calculate the second distance between the end grid nodes of the first row and the end grid nodes of the last row, parallel to the other rows;

[0026] Determine if the second distance is less than the specified distance;

[0027] If so, proceed to the step of selecting the first and last grid nodes of the second grid to obtain the machine location.

[0028] Preferably, the angular range of the prevailing wind direction is from the prevailing wind direction minus the threshold angle plus the progressive angle to the prevailing wind direction plus the threshold angle.

[0029] Preferably, after obtaining the arranged machine points, the method further includes:

[0030] Count the number of machine sites and determine if the number is greater than a specified number;

[0031] If the value is greater than the value, calculate and save the wake loss and output the final result.

[0032] Preferably, it further includes:

[0033] If the number of machine points is less than the specified number, the process will end and a prompt message will be output.

[0034] To solve the above-mentioned technical problems, the present invention provides a wind turbine layout device for a wind farm, comprising:

[0035] The acquisition module is used to acquire the prevailing wind direction, lateral spacing, longitudinal spacing, and progressive step length and progressive angle of the current field area, where the lateral spacing is smaller than the longitudinal spacing.

[0036] The selection module is used to obtain the angular range of the prevailing wind direction based on the progressive angle and the threshold angle.

[0037] The rotation module is used to select the minimum wind direction within the angular range and rotate the grid to make it perpendicular to the minimum wind direction;

[0038] The deletion module is used to delete grid nodes located outside the field boundary in the rotated grid and delete grid nodes located in the restricted area within the field to obtain the first grid;

[0039] The drawing module is used to select a grid node within the first grid as the center point for drawing an ellipse, and to adjust the horizontal or vertical spacing according to the progressive step size as the axis of the ellipse for drawing the ellipse.

[0040] The layout module is used to delete all grid nodes within the ellipse except for the center point and use the center point as the layout location.

[0041] To solve the above-mentioned technical problems, the present invention provides a wind turbine layout device for a wind farm, comprising:

[0042] Memory, used to store computer programs;

[0043] A processor is used to execute computer programs to implement the steps of the above-described wind turbine layout method in the field area.

[0044] To solve the above-mentioned technical problems, the present invention provides a computer-readable storage medium storing a computer program, which, when executed by a processor, implements the steps of the above-mentioned wind turbine layout method in the field area.

[0045] This invention provides a method for arranging wind turbines in a wind farm area. The method involves obtaining the prevailing wind direction from the current wind farm's prevailing wind direction based on a progressive angle and a threshold angle. Within this angle range, the minimum wind direction is selected, and the grid is rotated to be perpendicular to this minimum wind direction. In the rotated grid, grid nodes located outside the farm boundary are deleted, and grid nodes located in restricted areas within the farm area are also deleted to obtain a first grid. Within the first grid, a grid node is selected as the center point for drawing an ellipse. The horizontal or vertical spacing is adjusted according to the progressive step size to draw the ellipse. All grid nodes within the ellipse except the center point are deleted, and the center point is used as the turbine placement point. This arrangement method sets turbine positions on grid nodes while considering various conditions such as different prevailing wind directions, restricted areas, and multiple spacing ranges of wind turbines. In addition to considering different prevailing wind directions, it also considers restricted areas, deleting grid nodes located within these areas. Then, it adjusts the horizontal or vertical spacing of the ellipses to draw different ellipses, deleting grid nodes within the ellipses except for the center point of the turbine placement location. This ensures a certain spacing range between wind turbines, minimizing the wake effect between them. It avoids the problem of relying on manual experience for individual arrangement, which can lead to suboptimal wake losses. This method achieves a better wake loss reduction effect from the arrangement method.

[0046] In addition, the present invention also provides a wind turbine layout device and medium for a wind farm, which has the same beneficial effects as the wind turbine layout described above. Attached Figure Description

[0047] To more clearly illustrate the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0048] Figure 1 A flowchart illustrating a method for arranging wind turbines in a power plant area, as provided in an embodiment of the present invention;

[0049] Figure 2 A structural diagram of a wind turbine layout device for a field area provided in an embodiment of the present invention;

[0050] Figure 3 This is a structural diagram of another wind turbine layout device for a field area provided in an embodiment of the present invention. Detailed Implementation

[0051] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present invention.

[0052] The core of this invention is to provide a method, device and medium for arranging wind turbines in a field, so that the wake loss generated by the arrangement method can achieve a better effect.

[0053] To enable those skilled in the art to better understand the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0054] Figure 1 A flowchart illustrating a method for arranging wind turbines in a power plant area, as provided in an embodiment of the present invention, is shown below. Figure 1 As shown, the method includes:

[0055] S11: Obtain the prevailing wind direction, lateral spacing, longitudinal spacing, step length, and step angle of the current field area, where the lateral spacing is smaller than the longitudinal spacing;

[0056] It is understandable that there are multiple prevailing wind directions in a wind turbine field. The wind direction changes daily, yearly, and seasonally. Typically, wind direction is represented by a wind rose diagram. The wake effect of the wind turbines in the field varies depending on the wind direction, resulting in different wake losses. It is necessary to obtain historical wind direction data and divide the historical wind direction data into N1-Nn segments according to time periods, with each time period corresponding to one or more prevailing wind directions.

[0057] The horizontal and vertical spacing correspond to the minor and major axes of the drawn ellipse, respectively. An ellipse is preferred for the drawn shape, as it aligns with the wake effect generated by wind turbines in the wind farm area. An ellipse ensures that effective turbine locations within the wind farm are not deleted, minimizing wake loss while maintaining the optimal turbine location settings. If other shapes such as rectangles or circles are used, effective turbine locations are deleted. Although this increases the spacing between wind turbines, it results in less wind energy generated, thus reducing the total output power of the wind farm. The vertical spacing is typically parallel to the prevailing wind direction. To minimize wake loss, the spacing along the prevailing wind direction, i.e., the vertical spacing, should be as large as possible. Therefore, it is preferable that the horizontal spacing is smaller than the vertical spacing.

[0058] When drawing an ellipse, the minor or major axis is adjusted according to the incremental step size, which means adjusting the horizontal or vertical spacing. It's important to note that only one parameter of the ellipse is adjusted at a time. For example, if the incremental step size is S, the horizontal spacing is H, and the vertical spacing is V, when H is adjusted, V remains unchanged. The ellipse is drawn with H + S as the adjusted horizontal spacing and V as the vertical spacing. Similarly, when V is adjusted, H remains unchanged. The step size for adjusting the horizontal spacing can be the same as or different from the step size for adjusting the vertical spacing; this invention does not impose specific limitations, as long as the adjusted horizontal spacing is always less than the vertical spacing.

[0059] Specifically, considering the deflection angle of the prevailing wind direction, any angle of deflection must be taken into account when arranging wind turbines in the field. For example, if the prevailing wind direction is D1, its wind direction rotation extension angle is in the range of D1-5° to D1+5°. The wind direction is adjusted in a certain order to calculate the wake loss of the wind turbines in the field. The progressive angle is t°. When the wake loss of the wind direction at D1-5° is calculated, the wake loss of the wind direction at D1-5°+t° is calculated. This process is repeated until the wind direction angle at D1-5°+nt° reaches D1+5°.

[0060] The wind turbine layout method provided by this invention involves traversing different prevailing wind directions, the wind angle under the prevailing wind direction, and adjusting the lateral spacing or the longitudinal spacing under the wind angle. Each environmental point of the ellipse drawn needs to be arranged and the wake loss calculated.

[0061] S12: Obtain the angular range of the prevailing wind direction based on the progressive angle and the threshold angle;

[0062] Specifically, the prevailing wind direction is the range of wind angles with the highest wind frequency. Its wind direction rotation expansion angle is set with a threshold angle according to the actual wind direction. Combining the above example, the prevailing wind direction is D1, its threshold angle is 5°, its rotation expansion angle is (D1-5°, D1+5°), the progressive angle is t°, and its adjustment angle range of the prevailing wind direction is (D1-5°+nt°, D1+5°). When n=0, the angle range is (D1-5°, D1+5°). After calculating the wake loss of the wind turbine in the field when n=0, the calculation is performed for n=1, 2, 3... until D1+5° is reached. The wake loss of different angle ranges under the current prevailing wind direction is iterated, and then it returns to S11 to obtain the next prevailing wind direction D2, and continues the same operation to select the angle range. It should be noted that the progressive angle and threshold angle are set according to the actual situation, and can also start from D1+5° minus nt°, without specific limitation.

[0063] S13: Select the minimum angle wind direction within the angle range and rotate the grid to make it perpendicular to the minimum angle wind direction;

[0064] The wind turbines in the field are traversed sequentially within the angle range under different wind directions. Referring to the examples above, it can start with either the minimum or maximum wind direction. If starting with the maximum wind direction, the angle range is (D1-5°, D1+5°-nt°) until the final wind direction reaches D1-5°. The selection of the minimum wind direction in this invention is merely a preferred embodiment.

[0065] Before arranging the wind turbines, the site needs to be discretized. The discretization accuracy is to select the smallest possible grid points. The spacing between the grid points is equal and is a square. The grid points are set according to the site. Usually, the grid points are set according to the map coordinates with north at the top and south at the bottom. When the minimum angle direction is 45° east of north, the grid points need to be rotated. In order to facilitate the calculation of wake loss, the rotation is based on making the grid perpendicular to the minimum angle direction.

[0066] S14: Delete the grid nodes located outside the field boundary in the rotated grid, and delete the grid nodes located in the restricted area within the field to obtain the first grid;

[0067] The rotated grid does not completely overlap with the site area. Only the grid nodes within the site area need to be considered for layout. Grid nodes outside the site boundary are deleted. For the site area, there are various restricted areas where grids cannot be laid (cultural relic protection, mining areas, etc.). Grid nodes originally set in the restricted areas need to be deleted. The remaining grid nodes are used as the first grid for subsequent layout operations.

[0068] S15: Select a grid node within the first grid as the center point for drawing the ellipse, and adjust the horizontal or vertical spacing according to the progressive step length as the axis of the ellipse to draw the ellipse.

[0069] It is understandable that selecting a grid node within the first grid as the center point for drawing the ellipse does not involve traversing every grid node. The minimum wind direction is used as the main wind direction of the grid. When selecting the machine location, the row within the first grid that is close to and perpendicular to the minimum wind direction is used as the first row of the first grid. In order to generate the maximum possible total output power, the center point is selected from the first row first. The grid node in the first row that is close to the boundary of the field area is used as the center point to draw the ellipse. The ellipse is drawn with the horizontal spacing H and the vertical spacing V as the minor axis and major axis.

[0070] After drawing the first grid node, the grid node closest to the ellipse in the first row outside the ellipse is used as the second center point to draw the ellipse. This process continues until the center points of the first row have drawn the ellipse. Then, center points are selected for the second row. Specifically, if the ellipse drawn from the selected center point in the first row contains all the grid nodes of the original second row, and the second grid node of the original third row is not included in the drawn ellipse, then the original second row is skipped, and the second grid node of the original third row is selected as the first center point of the new second row to continue drawing the ellipse. The first grid is updated with the number of grid rows based on the drawn ellipse to select the center point. After traversing the ellipses drawn with H and V, the ellipses drawn with H+nS and V are traversed, always with H+nS < V, where n is a threshold value set according to the actual situation. The ellipses drawn with H and V+nS are traversed. After traversing all different ellipses in the grid node under the minimum wind angle, the minimum wind angle is changed, and the process returns to step S13 to continue traversing.

[0071] S16: Delete all grid nodes inside the ellipse except for the center point and use the center point as the location for the arrangement.

[0072] In step S15, for each adjusted ellipse, all grid nodes except the center point are deleted so that the center point can be used as the location for the wind turbines, leaving sufficient spacing for the wind turbines to ensure optimal wake loss. It should be noted that the calculation of wake loss varies depending on the selected wake model; this invention does not impose specific limitations, as long as the same wake model is selected for each arrangement.

[0073] This invention provides a method for arranging wind turbines in a wind farm area. The method involves obtaining the prevailing wind direction from the current wind farm's prevailing wind direction based on a progressive angle and a threshold angle. Within this angle range, the minimum wind direction is selected, and the grid is rotated to be perpendicular to this minimum wind direction. In the rotated grid, grid nodes located outside the farm boundary are deleted, and grid nodes located in restricted areas within the farm area are also deleted to obtain a first grid. Within the first grid, a grid node is selected as the center point for drawing an ellipse. The horizontal or vertical spacing is adjusted according to the progressive step size to draw the ellipse. All grid nodes within the ellipse except the center point are deleted, and the center point is used as the turbine placement point. This arrangement method sets turbine positions on grid nodes while considering various conditions such as different prevailing wind directions, restricted areas, and multiple spacing ranges of wind turbines. In addition to considering different prevailing wind directions, it also considers restricted areas, deleting grid nodes located within these areas. Then, it adjusts the horizontal or vertical spacing of the ellipses to draw different ellipses, deleting grid nodes within the ellipses except for the center point of the turbine placement location. This ensures a certain spacing range between wind turbines, minimizing the wake effect between them. It avoids the problem of relying on manual experience for individual arrangement, which can lead to suboptimal wake losses. This method achieves a better wake loss reduction effect from the arrangement method.

[0074] In step S15, the ellipse is drawn by adjusting the horizontal or vertical spacing as the axis of the ellipse according to the progressive step size. During the adjustment of the horizontal and vertical spacing, the progressive step size values ​​are different for each. The step size value of the horizontal spacing is smaller than that of the vertical spacing.

[0075] In the above embodiments, it is mentioned that the horizontal spacing or vertical spacing is adjusted according to the step size. The step size of the horizontal spacing adjustment can be the same as or different from the step size of the vertical spacing. Since the horizontal spacing is smaller than the vertical spacing, if the step size is the same, the distance of the horizontal spacing adjustment will be larger than the horizontal spacing each time. The effective nodes in the ellipse will be deleted, which may lead to the wake effect of the final arrangement, which is not a better result.

[0076] If the step size values ​​are different, let the step size of the horizontal spacing be S1 and the step size of the vertical spacing be S2. There are two possible results: S1 > S2 and S1 < S2. When S1 > S2, the distance of the horizontal spacing adjustment will be increased more, and the effective points are more likely to be deleted, or there may be no result. Therefore, S1 < S2, so as to consider as many effective points as possible so that the wake loss of the subsequent arrangement can achieve a better result.

[0077] In this embodiment, the step size values ​​for adjusting the horizontal spacing and the vertical spacing are different. The step size value for the horizontal spacing is smaller than that for the vertical spacing to avoid the deletion of valid points and affecting the subsequent wake loss results.

[0078] Based on the above embodiments, since the first grid does not completely overlap with the site area, there are gaps near the site boundary in the first grid generated after rotation, resulting in the spacing between wind turbines not being adjusted to a larger spacing. Therefore, after deleting the grid nodes inside the ellipse except for the center point, the turbine locations can also be obtained in the following way:

[0079] The first grid formed by the center points is used as the second grid;

[0080] Select the first and last rows of the second grid, project the first row of grid nodes to the field boundary in the opposite direction of the minimum angular wind direction, and project the last row of grid nodes to the field boundary in the same direction as the minimum angular wind direction. The first row is the row closest to the minimum angular wind direction.

[0081] Adjust the spacing of all lines except the first and last lines;

[0082] Determine whether the end grid nodes of other rows are within the preset range of the field boundary;

[0083] If not, the end grid node will be moved to the preset range along the direction of the minimum vertical wind angle;

[0084] Calculate the first distance between the end grid nodes of the other rows after translation;

[0085] Divide the grid nodes in the current row of the end grid node into equal parts based on the first distance;

[0086] The grid nodes projected onto the boundary of the field area and the equally divided grid nodes are used as the machine point locations for arrangement.

[0087] The first grid formed by the last retained center point is used as the second grid. The first and last rows of grid nodes in the second grid in the direction of the minimum angle are selected. At the same time, the grid nodes of the first row are projected to the boundary of the field area in the opposite direction of the minimum angle wind to expand the spacing of the machine positions and make full use of the available space in the field area. Similarly, the grid nodes of the last row are projected to the boundary of the field area in the direction of the minimum angle wind.

[0088] The first row is defined as the row with the closest wind angle. In the second grid, the first and last rows are adjusted to the boundary of the field area. The spacing of the remaining rows is then adjusted. For example, if the second grid has a total of 4 rows, the spacing of the middle two rows is adjusted. First, the minimum distance between each grid node in the first and last rows projected to the boundary of the field area is calculated as d2. There are 3 empty rows in between, so the spacing between the rows (d2 / 3) needs to be calculated, and the middle two rows are adjusted to be equidistant. It should be noted that when adjusting the middle rows, if a grid node is outside the boundary of the field area when it reaches the adjusted equidistant distance, and finally stops at the boundary of the field area, then the grid nodes in that row will stop at the same equidistant distance.

[0089] After adjusting the spacing of other rows, determine whether the end grid nodes of other rows are within the preset range of the field boundary. If they are not within the preset range, the end grid nodes need to be moved to the preset range along the direction of the minimum vertical angle wind. For example, if the end grid node is more than 50m away from the field boundary and its preset range is within 50m, then move the end grid node to 50m or within 50m along the direction of the minimum vertical angle wind.

[0090] Move to the preset range, calculate the first distance between the grid node at one end and the grid node at the other end in the row, divide the grid node equally and adjust it. After the adjustment is completed, use the grid node at the boundary of the field area and the grid nodes of the other rows after equal division as the positions for the arrangement.

[0091] This embodiment provides a method to adjust the grid nodes in the vacant locations of the wind farm area, thereby significantly increasing the spacing between wind turbines, improving the utilization efficiency of wind turbines within the wind farm area, and increasing the total output power of the wind farm.

[0092] Based on the above embodiments, after deleting the grid nodes inside the ellipse except for the center point, the arrangement of machine points can also be obtained in the following way:

[0093] Rotate the first and last rows of the second grid by a preset angle;

[0094] Calculate the second distance between the end grid nodes of the first row and the end grid nodes of the last row, parallel to the other rows;

[0095] Determine if the second distance is less than the specified distance;

[0096] If so, proceed to the step of selecting the first and last grid nodes of the second grid to obtain the machine location.

[0097] The first and last rows of the generated second grid are rotated by a preset angle. The preset angle is not specifically limited and can be set according to the actual situation. The rotation angle is the same, that is, the first and last rows are always parallel. The second distance d3 between the end grid nodes of the first and last rows after rotation and parallel to other rows is calculated. It is determined whether the second distance is less than a specific distance, where the specific distance is the parallel distance d1 between the end grid nodes of the first and last rows in the second grid. If d3 < d1, the process returns to the step of selecting the grid nodes of the first and last rows of the second grid in the above embodiment to obtain the arrangement of the machine point.

[0098] This embodiment rotates the first and last rows of the second grid by a preset angle to optimize the array arrangement algorithm, thereby adjusting the grid nodes in the empty positions of the field area, fully expanding the spacing between wind turbines, improving the utilization efficiency of wind turbines within the field area, and increasing the total output power of the wind farm.

[0099] Based on the above embodiments, in step S12, the angle range of the main wind direction is obtained according to the progressive angle and the threshold angle. Specifically, the angle range of the main wind direction is from the main wind direction minus the threshold angle plus the progressive angle to the main wind direction plus the threshold angle.

[0100] The prevailing wind direction is the range of wind direction angles with the highest wind frequency. The wind direction rotation expansion angle is set with a threshold angle according to the actual wind direction. Taking the example above, the prevailing wind direction is D1, its threshold angle is 5°, its rotation expansion angle is (D1-5°, D1+5°), and the progressive angle is t°. The angle range for adjusting the prevailing wind direction is (D1-5°+nt°, D1+5°), or it can be (D1-5°, D1+5°-nt°). Usually, the analysis and arrangement will start from the smallest angle wind direction. If the prevailing wind direction angle range is (D1-5°, D1+5°-nt°), then the analysis and arrangement need to start from the largest angle wind direction. This embodiment is only a preferred embodiment. Its progressive angle and threshold angle are subdivided and can also be collectively referred to as threshold angle. Here, different angle wind directions within different prevailing wind direction angle ranges are fully selected to make the wind turbine layout scheme in the field area more detailed and to screen out the better result of wake loss.

[0101] The prevailing wind direction angle range provided in this embodiment is specifically the range from prevailing wind direction minus a threshold angle plus a progressive angle to prevailing wind direction plus a threshold angle. The arrangement of wind turbines in the field is carried out for different prevailing wind direction angles, and the arrangement is made with full consideration of various conditions so that the wake loss achieves a better result.

[0102] Based on the above embodiments, after obtaining the arranged machine points, the method further includes:

[0103] Count the number of machine sites and determine if the number is greater than a specified number;

[0104] If the value is greater than the value, calculate and save the wake loss and output the final result.

[0105] When counting the number of current machine sites, it should be noted that the layout schemes for adjusting the horizontal or vertical spacing under different prevailing wind directions and angles, as well as the subsequent adjustment schemes for projecting the first and last rows onto the field boundary, require counting the number of machine sites for each layout and determining whether the number is greater than a specified number. If it is greater, the wake loss is calculated, and the layout with the smaller wake loss is selected as the better result among different layout schemes.

[0106] If the number of turbine locations is less than the specified number, it indicates that the layout scheme is not suitable, and the layout is completed. Wake loss is not calculated. Since the specified number is based on the minimum number of wind turbines set in the field area, if the final number of turbine locations is less than the specified number, it indicates that the pre-set minimum precision grid does not meet the current layout scheme. In this case, it is necessary to reset the grid precision or the specified number. The method for setting this is not described in detail in this invention.

[0107] This embodiment provides the number of statistical locations and determines whether the data exceeds a specified number; if it does, it calculates and saves the wake loss and outputs the final result. Multiple layout schemes are aggregated and organized to output the result with the smallest wake loss, improving optimization efficiency and achieving a better wake loss effect from the layout method.

[0108] As mentioned in the above embodiments, if the number of machine points is less than a specified number, it indicates that the layout scheme is unsuitable. Specifically, it also includes:

[0109] If the number of machine points is less than the specified number, the process will end and a prompt message will be output.

[0110] The system outputs prompts to remind staff that the current layout is unreasonable, the parameters are problematic, and further settings are needed, or the process can be skipped to avoid the same result later. The prompts can take various forms, such as a dialog box on a specified page or a voice message. There are no specific limitations on the type of prompts output. Since the calculation process is fast, the output can be done collectively after an iteration or immediately. This invention does not impose any specific requirements.

[0111] If the number of crash sites provided in this embodiment of the invention is less than a specified number, the process will end and a prompt message will be output to remind the user to check the specific layout and analyze the specific solution to avoid affecting subsequent layouts.

[0112] The foregoing has described in detail various embodiments of the wind turbine layout method in a wind farm area. Based on this, the present invention also discloses a wind turbine layout device in a wind farm area corresponding to the above-described method. Figure 2 This is a structural diagram of a wind turbine layout device for a power field, provided as an embodiment of the present invention. Figure 2 As shown, the wind turbine layout in the field includes:

[0113] Module 11 is used to obtain the prevailing wind direction, lateral spacing, longitudinal spacing, step length and step angle of the current field area, wherein the lateral spacing is smaller than the longitudinal spacing;

[0114] Select module 12 to obtain the angular range of the prevailing wind direction based on the progressive angle and the threshold angle;

[0115] Rotation module 13 is used to select the minimum angle wind direction within the angle range and rotate the grid to be perpendicular to the minimum angle wind direction;

[0116] The deletion module 14 is used to delete the grid nodes located outside the field boundary in the rotated grid and delete the grid nodes located in the restricted area within the field to obtain the first grid;

[0117] The drawing module 15 is used to select a grid node within the first grid as the center point for drawing an ellipse, and to adjust the horizontal or vertical spacing according to the progressive step size as the axis of the ellipse for drawing the ellipse.

[0118] The layout module 16 is used to delete all grid nodes inside the ellipse except for the center point and use the center point as the layout location.

[0119] Since the embodiments of the device part correspond to the embodiments described above, please refer to the description of the embodiments of the device part described above for the embodiments of the device part, and will not be repeated here.

[0120] This invention provides a wind turbine layout device for a wind farm. The device obtains the prevailing wind direction angle range based on a progressive angle and a threshold angle. Within this angle range, it selects the minimum wind direction angle and rotates the grid to be perpendicular to it. In the rotated grid, grid nodes outside the farm boundary are deleted, and grid nodes in restricted areas within the farm are also deleted to obtain a first grid. A grid node within the first grid is selected as the center point for drawing an ellipse. The horizontal or vertical spacing is adjusted according to the progressive step size to draw the ellipse. All grid nodes within the ellipse except the center point are deleted, and the center point is used as the turbine placement point. This wind turbine placement device sets turbine positions on grid nodes, taking into account various conditions such as different prevailing wind directions, restricted areas, and multiple spacing ranges of wind turbines. Considering different prevailing wind directions and restricted areas, it deletes grid nodes located within these restricted areas. Then, it adjusts the lateral or longitudinal spacing of the ellipses to draw different ellipses, deleting grid nodes within the ellipses except for the center point of the turbine placement location. This ensures a certain spacing range between wind turbines, minimizing the wake effect between them. It avoids the problem of relying on manual experience for individual placement, which often results in suboptimal wake losses. This device achieves a superior wake loss reduction effect from the placement method.

[0121] Please refer to Figure 3 A structural diagram of another wind turbine layout device for a field area provided in an embodiment of the present invention is shown below. Figure 3 As shown, the device includes:

[0122] Memory 21 is used to store computer programs;

[0123] Processor 22 is used to execute computer programs to implement the steps of the wind turbine layout method in the field.

[0124] The wind turbine layout device provided in this embodiment can include, but is not limited to, smartphones, tablets, laptops, or desktop computers.

[0125] The processor 22 may include one or more processing cores, such as a quad-core processor or an octa-core processor. The processor 22 may be implemented using at least one of the following hardware forms: Digital Signal Processor (DSP), Field-Programmable Gate Array (FPGA), or Programmable Logic Array (PLA). The processor 22 may also include a main processor and a coprocessor. The main processor, also known as the Central Processing Unit (CPU), is used to process data in the wake-up state; the coprocessor is a low-power processor used to process data in the standby state. In some embodiments, the processor 22 may integrate a Graphics Processing Unit (GPU), which is responsible for rendering and drawing the content to be displayed on the screen. In some embodiments, the processor 22 may also include an Artificial Intelligence (AI) processor, which handles computational operations related to machine learning.

[0126] The memory 21 may include one or more computer-readable storage media, which may be non-transitory. The memory 21 may also include high-speed random access memory and non-volatile memory, such as one or more disk storage devices or flash memory devices. In this embodiment, the memory 21 is used to store at least the following computer program 201, which, after being loaded and executed by the processor 22, is capable of implementing the relevant steps of the wind turbine layout method disclosed in any of the foregoing embodiments. In addition, the resources stored in the memory 21 may also include an operating system 202 and data 203, etc., and the storage method may be temporary storage or permanent storage. The operating system 202 may include Windows, Unix, Linux, etc. The data 203 may include, but is not limited to, data involved in the wind turbine layout method.

[0127] In some embodiments, the wind turbine layout device in the field may also include a display screen 23, an input / output interface 24, a communication interface 25, a power supply 26, and a communication bus 27.

[0128] Those skilled in the field can understand, Figure 3 This is a structural diagram of another wind turbine layout device for a field area provided in an embodiment of the present invention. Figure 3 The structure shown does not constitute a limitation on the arrangement of wind turbines in the field and may include more or fewer components than shown.

[0129] The processor 22 implements the field wind turbine layout method provided in any of the above embodiments by calling the instructions stored in the memory 21.

[0130] This invention provides a wind turbine layout device for a wind farm. The device obtains the prevailing wind direction angle range based on a progressive angle and a threshold angle. Within this angle range, it selects the minimum wind direction angle and rotates the grid to be perpendicular to it. In the rotated grid, grid nodes outside the farm boundary are deleted, and grid nodes in restricted areas within the farm are also deleted to obtain a first grid. A grid node within the first grid is selected as the center point for drawing an ellipse. The horizontal or vertical spacing is adjusted according to the progressive step size to draw the ellipse. All grid nodes within the ellipse except the center point are deleted, and the center point is used as the turbine placement point. This wind turbine placement device sets turbine positions on grid nodes, taking into account various conditions such as different prevailing wind directions, restricted areas, and multiple spacing ranges of wind turbines. Considering different prevailing wind directions and restricted areas, it deletes grid nodes located within these restricted areas. Then, it adjusts the lateral or longitudinal spacing of the ellipses to draw different ellipses, deleting grid nodes within the ellipses except for the center point of the turbine placement location. This ensures a certain spacing range between wind turbines, minimizing the wake effect between them. It avoids the problem of relying on manual experience for individual placement, which often results in suboptimal wake losses. This device achieves a superior wake loss reduction effect from the placement method.

[0131] Furthermore, the present invention also provides a computer-readable storage medium storing a computer program, which, when executed by processor 22, implements the steps of the above-described method for arranging wind turbines in the field area.

[0132] It is understood that if the methods in the above embodiments are implemented as software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present invention, in essence, or the part that contributes to the prior art, or all or part of the technical solution, can be embodied in the form of a software product. This computer software product is stored in a storage medium and executes all or part of the steps of the methods described in the various embodiments of the present invention. The aforementioned storage medium includes various media capable of storing program code, such as USB flash drives, portable hard drives, read-only memory (ROM), random access memory (RAM), magnetic disks, or optical disks.

[0133] For an introduction to the computer-readable storage medium provided by the present invention, please refer to the above method embodiments. The present invention will not be described in detail here, but it has the same beneficial effects as the above-described method for arranging wind turbines in the field.

[0134] The foregoing has provided a detailed description of a method, apparatus, and medium for arranging wind turbines in a wind farm area, as provided by the present invention. The various embodiments in the specification are described in a progressive manner, with each embodiment focusing on its differences from other embodiments. Similar or identical parts between embodiments can be referred to interchangeably. For the apparatus disclosed in the embodiments, since it corresponds to the method disclosed in the embodiments, the description is relatively simple; relevant parts can be referred to in the method section. It should be noted that those skilled in the art can make various improvements and modifications to the present invention without departing from its principles, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

[0135] It should also be noted that, in this specification, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

Claims

1. A method for arranging wind turbines in a power plant area, characterized in that, include: Obtain the prevailing wind direction, lateral spacing, longitudinal spacing, and progressive step length and progressive angle of the current field area, wherein the lateral spacing is smaller than the longitudinal spacing; The angle range of the prevailing wind direction is obtained by using the progressive angle and the threshold angle. Select the minimum wind direction within the stated angle range and rotate the grid to make it perpendicular to the minimum wind direction; The first grid is obtained by deleting the grid nodes located outside the field boundary in the rotated grid and deleting the grid nodes located in the restricted area within the field. Within the first grid, select a grid node as the center point for drawing the ellipse, and adjust the horizontal spacing or the vertical spacing according to the progressive step size as the axis of the ellipse to draw the ellipse. Delete all grid nodes within the ellipse except for the center point, and use the center point as the location for the arrangement.

2. The method for arranging wind turbines in a wind farm area according to claim 1, characterized in that, During the adjustment of the horizontal spacing and the adjustment of the vertical spacing, the corresponding step size values ​​for the progressive increase are different, wherein the step size value of the horizontal spacing is smaller than the step size value of the vertical spacing.

3. The method for arranging wind turbines in a wind farm area according to claim 1, characterized in that, After deleting all grid nodes within the ellipse except for the center point, the arrangement of machine points can also be obtained in the following way: The first grid formed by the center points is used as the second grid; Select the first and last rows of the second grid, project the first row of grid nodes to the field boundary in the opposite direction of the minimum angle wind direction, and project the last row of grid nodes to the field boundary in the direction of the minimum angle wind direction, wherein the first row is the row number closest to the minimum angle wind direction; Adjust the spacing of the rows other than the first row and the last row; Determine whether the end grid nodes of the other rows are within a preset range of the field boundary; If not, the end grid node is translated into the preset range along the direction perpendicular to the minimum angle wind direction; Calculate the first distance between the end grid nodes of the other rows after translation; The grid nodes in the current row where the end grid node is located are divided equally according to the first distance; The grid nodes projected onto the boundary of the field area and the equally divided grid nodes are used as the machine point locations.

4. The method for arranging wind turbines in a wind farm area according to claim 1, characterized in that, The angular range of the prevailing wind direction is the range from the prevailing wind direction minus the threshold angle plus the progressive angle to the prevailing wind direction plus the threshold angle.

5. The method for arranging wind turbines in a wind farm area according to any one of claims 1 to 4, characterized in that, After obtaining the machine location points of the arrangement, the process also includes: Count the number of machine sites and determine whether the number is greater than a specified number; If the value is greater than the value, calculate and save the wake loss and output the final result.

6. The method for arranging wind turbines in a wind farm area according to claim 5, characterized in that, Also includes: If the number of machine points is less than the specified number, the process ends and a prompt message is output.

7. A wind turbine layout device for a wind farm, characterized in that, include: The acquisition module is used to acquire the prevailing wind direction, lateral spacing, longitudinal spacing, and progressive step length and progressive angle of the current field area, wherein the lateral spacing is smaller than the longitudinal spacing; The selection module is used to obtain the angular range of the prevailing wind direction based on the progressive angle and the threshold angle; A rotation module is used to select the minimum angular wind direction within the stated angle range and rotate the grid to make it perpendicular to the minimum angular wind direction; The deletion module is used to delete grid nodes located outside the field boundary in the rotated grid, and delete grid nodes located in the restricted area within the field to obtain the first grid; The drawing module is used to select a grid node within the first grid as the center point for drawing an ellipse, and to adjust the horizontal spacing or the vertical spacing according to the progressive step size as the axis of the ellipse to draw the ellipse. The layout module is used to delete all grid nodes within the ellipse except for the center point and use the center point as the layout location.

8. A wind turbine layout device for a power plant area, characterized in that, include: Memory, used to store computer programs; A processor, configured to execute the computer program to implement the steps of the wind turbine layout method as described in any one of claims 1 to 6.

9. A computer-readable storage medium, characterized in that, The computer-readable storage medium stores a computer program that, when executed by a processor, implements the steps of the wind turbine layout method for the field area as described in any one of claims 1 to 6.

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