CN107133425A - A kind of method that complicated landform photovoltaic arrays are arranged automatically - Google Patents
A kind of method that complicated landform photovoltaic arrays are arranged automatically Download PDFInfo
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Abstract
A kind of method that complicated landform photovoltaic arrays are arranged automatically, including：(1) solar radiation quantity calculating is carried out according to current latitude, calculates optimum angle of incidence；(2) given area is subjected to Preliminary division；(3) occlusion test, computational shadowgraph region are carried out, and is marked, the region that set-up procedure (2) is obtained；Pair (4) can layout area carry out photovoltaic arrays mesh generation, carry out initial placement；Pair (5) can layout area carry out inverter mesh generation；(6) inverter and header box position are determined；Step (1), (2), (3), photovoltaic arrays inclination angle is determined and the layout area that just begins, got ready for the arrangement of photovoltaic arrays, step (4), (5), (6), have carried out photovoltaic arrays and have integrated the optimum layout on this basis.
Description
Technical field
The invention belongs to the technical field of photovoltaic generation, a kind of method arranged automatically more particularly to photovoltaic arrays is special
It is not on a kind of method that photovoltaic arrays are arranged automatically on the premise of complicated landform.
Background technology
Photovoltaic arrays arrangement needs to consider the quantity of illumination and power output, that is, considers photovoltaic arrays inclination angle, towards to light
Influence according to amount is, it is necessary to consider that photovoltaic arrays are blocked mutually.
Using general manual method arrangement photovoltaic arrays, it is necessary to which substantial amounts of complicated calculations, time-consuming and inefficiency, need
Iterate, adjustment member parameter, it is necessary to significantly adjusted, or even the arrangement that repeatedly starts anew is needed, and
Adjustment direction is indefinite, it is impossible to see achievement quickly.Especially for complicated landform, general manual method arrangement, workload is big
Big increase, and can not ensure to arrange the optimality of result.
The content of the invention
The technology of the present invention solves problem：Overcome the deficiencies in the prior art there is provided a kind of complicated landform photovoltaic arrays from
The method of dynamic arrangement, this method ensures in the case of complicated landform, to lay out comprehensive optimal result.
The present invention technical solution be：The method that this complicated landform photovoltaic arrays are arranged automatically, it includes following
Step：
(1) solar radiation quantity calculating is carried out according to current latitude, calculates optimum angle of incidence；
(2) given area is subjected to Preliminary division；
(3) occlusion test, computational shadowgraph region are carried out, and is marked, the region that set-up procedure (2) is obtained；
Pair (4) can layout area carry out photovoltaic arrays mesh generation, carry out initial placement；
Pair (5) can layout area carry out inverter mesh generation；
(6) inverter and header box position are determined；
Step (1), (2), (3), it is determined that photovoltaic arrays inclination angle and the layout area that just begins, are that the arrangement of photovoltaic arrays is done
Preparation is got well, on this basis step (4), (5), (6), carried out photovoltaic arrays and integrated the optimum layout.
The present invention is arranged using gridding method, is greatly reduced arrangement difficulty, is considerably reduced the number of times of iteration；
Using processing mode incrementally, support to continue with after stopping, the achievement obtained before reservation；It is maximum according to solar irradiation
And length of arrangement wire is most short considers, the cost of photovoltaic design can be reduced.
Brief description of the drawings
Fig. 1 is the overview flow chart of present invention arrangement photovoltaic arrays.
Fig. 2 is that shade of the present invention calculates schematic diagram.
Embodiment
As shown in figure 1, the method that this complicated landform photovoltaic arrays are arranged automatically, comprises the following steps：
(1) solar radiation quantity calculating is carried out according to current latitude, calculates optimum angle of incidence；
(2) given area is subjected to Preliminary division；
(3) occlusion test, computational shadowgraph region are carried out, and is marked, the region that set-up procedure (2) is obtained；
Pair (4) can layout area carry out photovoltaic arrays mesh generation, carry out initial placement；
Pair (5) can layout area carry out inverter and header box mesh generation；
(6) inverter and header box position are determined；
Step (1), (2), (3), it is determined that photovoltaic arrays inclination angle and the layout area that just begins, are that the arrangement of photovoltaic arrays is done
Preparation is got well, on this basis step (4), (5), (6), carried out photovoltaic arrays and integrated the optimum layout.
The present invention is arranged using gridding method, is greatly reduced arrangement difficulty, is considerably reduced the number of times of iteration；
Using processing mode incrementally, support to continue with after stopping, the achievement obtained before reservation；It is maximum according to solar irradiation
And length of arrangement wire is most short considers, the cost of photovoltaic design can be reduced.
In addition, in the step (1), the calculating of optimum angle of incidence is divided into three steps：
(1.1) inclination angle initial step length is selected, it is total that the sun in inclined plane is calculated in the range of (0 °, 90 °) according to step size computation
Irradiation, obtains the maximum inclination angle of sun total amount of irradiation under current step；
(1.2) computer capacity is revised as the optimal inclination angle that is obtained in (1.1) each step-length up and down, reduces inclination angle step-length,
Repeat step (1.1)；
(1.3) repeat step (1.2) is until obtain optimal inclination angle.
In addition, given area Preliminary division is divided into two steps by the step (2)：
(2.1) gradient of given area is calculated and counted, the sampling interval is set, according to the grid DEM slope in sample range
Degree；Using 9 grid methods, according to center point height and the elevation of eight adjacent sampled points of surrounding, the slope of central point is calculated
Degree, counts the range of grade of given area；
(2.2) Preliminary division is carried out according to statistical result, and records the mean inclination in every piece of region, united according in (2.1)
Result is counted, given threshold carries out Preliminary division to region, it is ensured that the gradient in every piece of subregion is close to mean inclination.
In addition, in the step (3) occlusion test according at 9 points in morning winter solstice to 3 points of calculating in afternoon, calculate maximum
Shadow region, occlusion test needs to carry out according to three dimensions：
(3.1) occlusion test is carried out to the barrier in region, each barrier in region is carried out respectively to block meter
Calculate；For a barrier, occlusion test is carried out to each summit of its profile, the shadow region obtained takes union；
(3.2) occlusion test is carried out to landform, occlusion test is carried out to landform, selected mountain peak in region and carry out blocking meter
Calculate, mountain peak landform refers to elevation more than surrounding elevation, the mountain peak of formation；Calculate the maximum shadow region of landform formation；
(3.3) merge (3.1) and (3.2) and calculate obtained shadow region, and labeled as that cannot arrange, adjustment can be arranged
Region；
(3.4) occlusion test is carried out to photovoltaic arrays, calculates shadow region under each gradient, to photovoltaic arrays according to most preferably inclining
Angle, according to top computational shadowgraph region, calculates the shadow region under each gradient, and records, in case arrangement is used below；
(3.5) calculating occlusion test is carried out to inverter, calculates shadow region under each gradient.
In addition, the step (4) pair can layout area carry out photovoltaic arrays mesh generation, carry out initial placement, be divided into four
Individual step：
(4.1) starting arrangement grid is selected, initial position is being selected close to fringe region, according to photovoltaic arrays size and inclining
Angle, record photovoltaic arrays center, according to the corresponding shaded region of the gradient of position, mark off photovoltaic arrays body and
Grid occupied by shadow region is used as starting mesh；
(4.2) next arrangement grid is selected, on the basis of the grid selected in (4.1), with close to edge and close
(4.1) grid selected in is principle, and translated grid, according to photovoltaic arrays size and inclination angle, records photovoltaic arrays center,
According to the corresponding shaded region of the center gradient, sizing grid is adjusted；
(4.3) repeat step (4.2), continue to arrange grid, until can layout area all arranged completions, record grid
Quantity, this is the quantity of photovoltaic arrays；
(4.4) adjustment initial placement position, repeat step (4.1), untill the quantity of photovoltaic arrays reaches maximum, this
When the initial scheme arranged as photovoltaic arrays of grid.
In addition, the step (5) pair can layout area carry out inverter mesh generation, inverter with close to site of road it is excellent
First, with preferential close to regional center position, photovoltaic arrays grid is occupied with grid minimum for principle：
(5.1) selection inverter can layout area, as inverter arrange area using edges of regions contract is a certain amount of
Domain；
(5.2) step (5.1) determine can be in the range of layout area, with reference to photovoltaic arrays grid, according to inverter
Size and the corresponding gradient of photovoltaic arrays grid calculate shaded region, are at least principle according to photovoltaic arrays grid is occupied, draw
Divide inverter grid.
In addition, the step (6) determines inverter and header box position, the photovoltaic arrays selected according to step (4)
Number of grid, calculating needs the quantity of the generator unit quantity and header box divided：
(6.1) according to inverter grid in step (5), the initial position of inverter is selected, and by inverter and header box
Photovoltaic arrays in the photovoltaic arrays grid that grid is occupied are labeled as deletion state；
(6.2) because header box is arranged in below photovoltaic arrays, so according to photovoltaic arrays grid, selecting the first of header box
Beginning position.
(6.3) photovoltaic arrays near series connection header box are to header box, and header box obtains length of arrangement wire to inverter；
(6.4) photovoltaic arrays for recovering to be marked as deletion state are normal condition, adjust header box and inverter position,
Repeat step (6.1)-(6.3), until obtaining minimum wiring length.
The present invention is described in detail with reference to embodiment.
The present invention provides a kind of method that complicated landform photovoltaic arrays are arranged automatically, it is assumed that designated area is believed there is provided elevation
Breath, and road, barrier have been designed, photovoltaic arrays, header box and inverter have chosen model and size, and one confluxes
Case needs how many photovoltaic arrays of series connection it has been determined that an inverter connects a how many header box has determined.Specific arrangement bag
Include following steps：
1st, solar irradiation calculating is carried out according to current latitude, calculates optimum angle of incidence
1) inclination angle initial step length is selected, the sun in inclined plane is calculated in the range of (0 °, 90 °) according to step size computation always irradiates
Amount, obtains the maximum inclination angle of sun total amount of irradiation under current step；
2) the optimal inclination angle obtained during 1) computer capacity is revised as each step-length up and down, reduces inclination angle step-length, repeats to walk
It is rapid 1)；
3) repeat step 2) until obtaining optimal inclination angle.
2nd, given area is subjected to Preliminary division
1) calculate and count the gradient of given area
The sampling interval is set, according to the grid DEM gradient in sample range.It is specific to use 9 grid methods, according to center
The elevation of point height and eight adjacent sampled points of surrounding, calculates the gradient of central point.Count the range of grade of given area.
2) Preliminary division is carried out according to statistical result, and records the mean inclination in every piece of region
According to statistical result in 1), given threshold carries out Preliminary division, it is ensured that the gradient in every piece of subregion connects to region
Nearly mean inclination.
3rd, occlusion test, computational shadowgraph region are carried out, and is marked, the region that set-up procedure 2 is obtained
Occlusion test, to 3 points of calculating in afternoon, calculates maximum shadow region according at 9 points in morning winter solstice.Occlusion test
Need to carry out according to three dimensions.
1) occlusion test is carried out to the barrier in region
Occlusion test is carried out respectively to each barrier in region.For a barrier, to each summit of its profile
Occlusion test is all carried out, the shadow region obtained takes union.
2) occlusion test is carried out to landform
Occlusion test is carried out to landform, " mountain peak " is selected in region and carries out occlusion test, " mountain peak " landform refers to elevation and is more than
Surrounding elevation, " mountain peak " of formation.Calculate the maximum shadow region of landform formation.
3) merge 1) and 2) calculate obtained shadow region, and labeled as that cannot arrange, adjustment can layout area.
4) calculating occlusion test is carried out to photovoltaic arrays, calculates shadow region under each gradient.
To photovoltaic arrays according to optimum angle of incidence, according to top computational shadowgraph region, the shadow region under each gradient is calculated, and
Record, in case arrangement is used below.
5) calculating occlusion test is carried out to inverter, calculates shadow region under each gradient.
4th, pair can layout area carry out photovoltaic arrays mesh generation, carry out initial placement
1) starting arrangement grid is selected
Initial position can be being selected close to fringe region, according to photovoltaic arrays size and inclination angle, record photovoltaic arrays center
Position, according to the corresponding shaded region of the gradient of position, marks off photovoltaic arrays body and the side occupied by shadow region
Lattice are used as starting mesh.
2) next arrangement grid is selected
On the basis of the grid selected in 1), using the grid selected close to edge and in 1) as principle, translated grid,
According to photovoltaic arrays size and inclination angle, record photovoltaic arrays center, according to the corresponding shaded region of the center gradient, is adjusted
Whole sizing grid.
3) repeat step 2), continue to arrange grid, until can layout area all arranged completions, record number of grid,
That is the quantity of photovoltaic arrays.
4) adjustment initial placement position, repeat step 1), untill the quantity of photovoltaic arrays reaches maximum, net now
The initial scheme that lattice are arranged as photovoltaic arrays.
5th, pair can layout area carry out inverter mesh generation
This step is similar with step 4, the difference is that inverter is with preferential close to site of road, with close to regional center position
Preferentially, occupy that photovoltaic arrays grid is minimum for principle with grid, therefore edges of regions and region away from road are without considering.
1) selection inverter can layout area
Because inverter leans on paracentral arrangement principle, so fringe region can not consider directly.By in edges of regions
Shrink it is a certain amount of as inverter can layout area.
2) in step 1) determine can in the range of layout area, with reference to photovoltaic arrays grid, according to inverter size and
The corresponding gradient of photovoltaic arrays grid calculates shaded region, is at least principle according to photovoltaic arrays grid is occupied, divides inversion
Device grid.
6th, inverter and header box position are determined
It is photovoltaic arrays quantity according to the photovoltaic arrays number of grid that step 4 is selected, the hair for needing to divide can be calculated
Electric unit quantity, you can calculate need arrange inverter quantity, and header box quantity.
1) according to inverter grid in 5, the initial position of inverter, and the photovoltaic arrays that inverter grid is occupied are selected
Photovoltaic arrays in grid are labeled as deletion state.
2) because header box is arranged in below photovoltaic arrays, so according to photovoltaic arrays grid, selecting the initial of header box
Position.
3) photovoltaic arrays near series connection header box are to header box, and header box obtains length of arrangement wire to inverter.
4) photovoltaic arrays for recovering to be marked as deletion state are normal condition, adjustment header box and inverter position, weight
Multiple step 1) -3), until obtaining minimum wiring length.
First three step, it is determined that photovoltaic arrays inclination angle and the layout area that just begins, is that the arrangement of photovoltaic arrays is carried out
Prepare, rear three steps have carried out photovoltaic arrays and integrated the optimum layout on this basis.
It is described above, be only presently preferred embodiments of the present invention, any formal limitation not made to the present invention, it is every according to
Any simple modification, equivalent variations and the modification made according to the technical spirit of the present invention to above example, still belong to the present invention
The protection domain of technical scheme.
Claims (7)
1. a kind of method that complicated landform photovoltaic arrays are arranged automatically, it is characterised in that：Comprise the following steps：
(1) solar radiation quantity calculating is carried out according to current latitude, calculates optimum angle of incidence；
(2) given area is subjected to Preliminary division；
(3) occlusion test, computational shadowgraph region are carried out, and is marked, the region that set-up procedure (2) is obtained；
Pair (4) can layout area carry out photovoltaic arrays mesh generation, carry out initial placement；
Pair (5) can layout area carry out inverter mesh generation；
(6) inverter and header box position are determined；
Step (1), (2), (3), it is determined that photovoltaic arrays inclination angle and the layout area that just begins, are that the arrangement of photovoltaic arrays is carried out
Prepare, on this basis step (4), (5), (6), carried out photovoltaic arrays and integrated the optimum layout.
2. the method that complicated landform photovoltaic arrays according to claim 1 are arranged automatically, it is characterised in that：In the step
(1) in, the calculating of optimum angle of incidence is divided into three steps：
(1.1) inclination angle initial step length is selected, the sun in inclined plane is calculated in the range of (0 °, 90 °) according to step size computation always irradiates
Amount, obtains the maximum inclination angle of sun total amount of irradiation under current step；
(1.2) computer capacity is revised as the optimal inclination angle that is obtained in (1.1) each step-length up and down, reduces inclination angle step-length, repeats
Step (1.1)；
(1.3) repeat step (1.2) is until obtain optimal inclination angle.
3. the method that complicated landform photovoltaic arrays according to claim 2 are arranged automatically, it is characterised in that：The step
(2) by given area Preliminary division, it is divided into two steps：
(2.1) gradient of given area is calculated and counted, the sampling interval is set, according to the grid DEM gradient in sample range；
Using 9 grid methods, according to center point height and the elevation of eight adjacent sampled points of surrounding, the gradient of central point is calculated,
Count the range of grade of given area；
(2.2) Preliminary division is carried out according to statistical result, and records the mean inclination in every piece of region, tied according to statistics in (2.1)
Really, given threshold, Preliminary division is carried out to region, it is ensured that the gradient in every piece of subregion is close to mean inclination.
4. the method that complicated landform photovoltaic arrays according to claim 3 are arranged automatically, it is characterised in that：The step
(3) occlusion test calculates maximum shadow region, occlusion test needs according at 9 points in morning winter solstice to 3 points of calculating in afternoon in
Carried out according to three dimensions：
(3.1) occlusion test is carried out to the barrier in region, occlusion test is carried out respectively to each barrier in region；It is right
In a barrier, occlusion test is carried out to each summit of its profile, the shadow region obtained takes union；
(3.2) occlusion test is carried out to landform, occlusion test is carried out to landform, selected mountain peak in region and carry out occlusion test, mountain
Peak landform refers to elevation more than surrounding elevation, the mountain peak of formation；Calculate the maximum shadow region of landform formation；
(3.3) merge (3.1) and (3.2) and calculate obtained shadow region, and labeled as that cannot arrange, adjustment can arrange area
Domain；
(3.4) occlusion test is carried out to photovoltaic arrays, calculates shadow region under each gradient, to photovoltaic arrays according to optimum angle of incidence,
According to top computational shadowgraph region, the shadow region under each gradient is calculated, and is recorded, in case arrangement is used below；
(3.5) calculating occlusion test is carried out to inverter, calculates shadow region under each gradient.
5. the method that complicated landform photovoltaic arrays according to claim 4 are arranged automatically, it is characterised in that：The step
Pair (4) can layout area carry out photovoltaic arrays mesh generation, carry out initial placement, be divided into four steps：
(4.1) starting arrangement grid is selected, initial position is being selected close to fringe region, according to photovoltaic arrays size and inclination angle,
Photovoltaic arrays center is recorded, according to the corresponding shaded region of the gradient of position, photovoltaic arrays body and the moon is marked off
Grid occupied by the domain of shadow zone is used as starting mesh；
(4.2) next arrangement grid is selected, on the basis of the grid selected in (4.1), with close to edge and in (4.1)
Selected grid is principle, translated grid, according to photovoltaic arrays size and inclination angle, record photovoltaic arrays center, in
The corresponding shaded region of the heart position gradient, adjusts sizing grid；
(4.3) repeat step (4.2), continue to arrange grid, until can layout area all arranged completions, record grid number
Amount, this is the quantity of photovoltaic arrays；
(4.4) adjustment initial placement position, repeat step (4.1), untill the quantity of photovoltaic arrays reaches maximum, now
The initial scheme that grid is arranged as photovoltaic arrays.
6. the method that complicated landform photovoltaic arrays according to claim 5 are arranged automatically, it is characterised in that：The step
Pair (5) can layout area carry out inverter mesh generation, inverter is with preferential close to site of road, with close to regional center position
Preferentially, photovoltaic arrays grid is occupied at least for principle with grid：
(5.1) selection inverter can layout area, using edges of regions contract it is a certain amount of as inverter can layout area；
(5.2) step (5.1) determine can be in the range of layout area, with reference to photovoltaic arrays grid, according to the size of inverter
And the corresponding gradient of photovoltaic arrays grid calculates shaded region, it is at least principle according to photovoltaic arrays grid is occupied, divides inverse
Become device grid.
7. the method that complicated landform photovoltaic arrays according to claim 6 are arranged automatically, it is characterised in that：The step
(6) inverter and header box position are determined, the photovoltaic arrays number of grid selected according to step (4) calculates needs and drawn
The generator unit quantity and the quantity of header box divided：
(6.1) according to inverter grid in step (5), the initial position of inverter, and the light that inverter grid is occupied are selected
The photovoltaic arrays lied prostrate in square formation grid are labeled as deletion state；
(6.2) because header box is arranged in below photovoltaic arrays, so according to photovoltaic arrays grid, selecting the initial bit of header box
Put.
(6.3) photovoltaic arrays near series connection header box are to header box, and header box obtains length of arrangement wire to inverter；
(6.4) photovoltaic arrays for recovering to be marked as deletion state are normal condition, adjustment header box and inverter position, are repeated
Step (6.1)-(6.3), until obtaining minimum wiring length.
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| CN108229070A (en) * | 2018-02-09 | 2018-06-29 | 爱驰汽车有限公司 | Wiring method, system, equipment and the storage medium of Vehicular battery packet |
| CN109815544A (en) * | 2018-12-24 | 2019-05-28 | 中国电建集团山东电力建设第一工程有限公司 | A kind of roof photovoltaic method for arranging based on BIM |
| CN110851945A (en) * | 2019-08-08 | 2020-02-28 | 上海电气分布式能源科技有限公司 | Photovoltaic array arrangement method and photovoltaic array arrangement scheme automatic generation system |
| WO2020125359A1 (en) * | 2018-12-21 | 2020-06-25 | 上海远景科创智能科技有限公司 | Method for arranging photovoltaic modules on basis of grid |
| CN111783298A (en) * | 2020-07-01 | 2020-10-16 | 湖南红太阳新能源科技有限公司 | Intelligent photovoltaic design system and design method |
| CN111884566A (en) * | 2020-06-24 | 2020-11-03 | 南京信息职业技术学院 | Photovoltaic panel cluster wiring method |
| CN112035540A (en) * | 2020-08-21 | 2020-12-04 | 国核电力规划设计研究院重庆有限公司 | Complex terrain solar energy resource measuring method |
| WO2021107873A1 (en) * | 2019-11-26 | 2021-06-03 | Envision Digital International Pte. Ltd. | Method and apparatus for string connecting photovoltaic modules, device, and storage medium |
| CN113254855A (en) * | 2021-06-28 | 2021-08-13 | 江苏中信博新能源科技股份有限公司 | Power generation gain calculation method and system based on terrain |
| CN113297712A (en) * | 2021-05-28 | 2021-08-24 | 阳光新能源开发有限公司 | Region division method and device for photovoltaic power station |
| CN117709020A (en) * | 2023-12-19 | 2024-03-15 | 上海电力大学 | Calculation method for total radiation of inclined plane of photovoltaic module with front-back row shielding |
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