CN106100522B - A kind of tracing type photovoltaic array arrangement method of combination place direction - Google Patents
A kind of tracing type photovoltaic array arrangement method of combination place direction Download PDFInfo
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- CN106100522B CN106100522B CN201610429057.2A CN201610429057A CN106100522B CN 106100522 B CN106100522 B CN 106100522B CN 201610429057 A CN201610429057 A CN 201610429057A CN 106100522 B CN106100522 B CN 106100522B
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- PCTMTFRHKVHKIS-BMFZQQSSSA-N (1s,3r,4e,6e,8e,10e,12e,14e,16e,18s,19r,20r,21s,25r,27r,30r,31r,33s,35r,37s,38r)-3-[(2r,3s,4s,5s,6r)-4-amino-3,5-dihydroxy-6-methyloxan-2-yl]oxy-19,25,27,30,31,33,35,37-octahydroxy-18,20,21-trimethyl-23-oxo-22,39-dioxabicyclo[33.3.1]nonatriaconta-4,6,8,10 Chemical compound C1C=C2C[C@@H](OS(O)(=O)=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2.O[C@H]1[C@@H](N)[C@H](O)[C@@H](C)O[C@H]1O[C@H]1/C=C/C=C/C=C/C=C/C=C/C=C/C=C/[C@H](C)[C@@H](O)[C@@H](C)[C@H](C)OC(=O)C[C@H](O)C[C@H](O)CC[C@@H](O)[C@H](O)C[C@H](O)C[C@](O)(C[C@H](O)[C@H]2C(O)=O)O[C@H]2C1 PCTMTFRHKVHKIS-BMFZQQSSSA-N 0.000 claims description 6
- 238000004364 calculation method Methods 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 5
- 238000013519 translation Methods 0.000 claims description 5
- 239000004576 sand Substances 0.000 claims description 3
- 238000005457 optimization Methods 0.000 abstract description 4
- 241000196324 Embryophyta Species 0.000 description 27
- 238000013461 design Methods 0.000 description 8
- 238000011160 research Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/10—Supporting structures directly fixed to the ground
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
- H02S20/32—Supporting structures being movable or adjustable, e.g. for angle adjustment specially adapted for solar tracking
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S2201/00—Prediction; Simulation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The invention discloses a kind of tracing type photovoltaic array arrangement method of combination place direction, comprise the following steps：1) calculate after photovoltaic apparatus array changes towards angle γ, the photovoltaic array arrangement spacing d in North and South direction and on east-west directionNS' and dWE'；2) choose m photovoltaic array towards angle γi, m photovoltaic array is calculated respectively towards angle γiWhen to the photovoltaic apparatus number of units Q that should be able to arrangei；And photovoltaic array is established towards angle γiWith photovoltaic apparatus arrangement number of units QiBetween relational model；3) photovoltaic array is calculated towards angle γiWith the annual reception solar radiation quantity H of separate unit photovoltaic apparatussingle(γi) between relational model；Obtain the annual solar radiation quantity H received of photovoltaic planttotal(γi) and γiBetween relational model；4) by the annual solar radiation quantity H received of photovoltaic planttotal(γi) it is maximum when, corresponding array is towards angle γiOptimal orientation angle γ as photovoltaic arrayopt；5) the array arrangement scheme of photovoltaic apparatus in photovoltaic place is formed.This method can combine photovoltaic place towards the array optimization arrangement for realizing photovoltaic apparatus.
Description
Technical field
The invention belongs to photovoltaic plant construction technique field, the tracing type photovoltaic array for being related to a kind of combination place direction is arranged
Cloth method.
Background technology
During the addressing of power station, place is built in part can be traditional in this kind of place there are certain deflection angle with due south direction
Photovoltaic array arrangement is towards more with place, towards unanimously, such arrangement can reduce the solar radiation that photovoltaic apparatus receives
Amount, reduces the generated energy of photovoltaic plant.Therefore, with reference to place towards feature solar radiation quantity maximum is received so that power station is annual
For the optimization arrangement method of target design tracing type photovoltaic array, the construction to photovoltaic plant has great importance.
Girth friend in 2013 is in document " girth friend, Yang Zhiyong, Yang Sheng inscription north slopes place photovoltaic power station array line space design
[J] China power technology .2013,35 (6)：In 14-17. " based on traditional array spacing arrangement method, combined in north slope place
The factor designs such as direction of building angle, the place gradient, the physical features arrangement method of fixed type photovoltaic equipment.Zhang Chaohui in 2014,
In document, " the slope surface photovoltaic array spacing such as Zhang Chaohui, Bai Yongxiang, burnt Cui Ping determines [J] power sciences and engineering to Li Peng et al.
.2014,30 (5)：Using the achievement in research of girth friend as foundation in 50-55. ", photovoltaic array arrangement spacing in southern slope surface has been derived
Computational methods, finally establish different latitude, slope surface towards and the gradient place in photovoltaic array arrangement spacing parameter
Look-up table, instructs photovoltaic plant construction.
On level ground during arrangement photovoltaic apparatus, the arrangement spacing of array is peak and heel row by front-seat photovoltaic panel
Difference in height between photovoltaic panel minimum point is drawn.And installation photovoltaic apparatus is different from horizontal plane in slope surface, front and rear row photovoltaic face
The difference in height of plate changes with equipment spacing, therefore the studies above achievement is unable to the arrangement spacing of photovoltaic array on Guidance Levels ground
Design." Zhao great Le, Gong Chunjing, Wang Si equality fixed type photovoltaics array installation position angle are to power generation in document for the big pleasure of Zhao in 2015
Measure research [J] the electric power and energy .2015 influenced, 36 (5)：In 666-669 ", fine strain of millet it is double in document " Liang Shuan, Hu Xuehao, Zhang Dong
Rosy clouds, fixed type photovoltaic array direction and inclination angle optimization method [J] .2012,36 (20) of the Xu Lian peaks based on comprehensive value：39-
Array is established in 43 " respectively towards the numerical relationship model between angle and other factors and photovoltaic system generated energy, it is proposed that
A kind of optimum design method for fixed type photovoltaic array apparatus direction.The same year, Tang Yajie document " Tang Yajie, Yuan Longwei,
Zhi Shaofeng hillside fields photovoltaic plant photovoltaic arrays line space design [J] Jiangsu electrical engineering .2015,34 (3)：58-60. " in propose
The distance computation formula of fixed type photovoltaic array in the slope surface of different directions, but these methods are just for fixed type photovoltaic equipment,
And do not consider place towards the influence to photovoltaic array arrangement result.
In conclusion consider that the photovoltaic array arrangement method for building place actual landform feature is less, existing achievement in research
Majority is proposed for the arrangement of fixed type photovoltaic equipment in slope surface；The arrangement design of tracing type photovoltaic array cannot on horizontal plane
The correlation technique in slope surface place is continued to use, therefore, be badly in need of research is having towards the reasonable row in place for tracing type photovoltaic array
Cloth method.
The content of the invention
A kind of the defects of it is an object of the invention to overcome the prior art, there is provided the tracing type photovoltaic of combination place direction
Array arrangement method, this method can combine reasonable, the optimization arrangement that photovoltaic array is realized in photovoltaic place towards feature.
To reach above-mentioned purpose, the tracing type photovoltaic array arrangement method of combination place of the present invention direction include with
Lower step：
1) array for setting photovoltaic apparatus in North and South direction arranges spacing as dNS, the array of photovoltaic apparatus on east-west direction
Arrangement spacing is dWE, photovoltaic array towards angle be γ when, the array arrangement spacing of photovoltaic apparatus is d in North and South directionNS', east
The array arrangement spacing of the upward photovoltaic apparatus in west is dWE', wherein, the photovoltaic array towards angle γ be photovoltaic array direction
With the angle in due south direction；
2) m photovoltaic array is equidistantly chosen in the range of [0 °, s] towards angle γi, wherein, i=1,2 ..., m, s is
Place towards angle, calculate photovoltaic array towards angle be γiWhen place in the total number of units Q of photovoltaic apparatus that can arrangei, build data
Collect (γi,Qi)；And photovoltaic array is established towards angle γiWith the total number of units Q of the photovoltaic apparatus that can arrangeiBetween relational model；
3) when photovoltaic array towards angle be γiWhen, photovoltaic array is solved towards angle γiWith the annual reception of separate unit photovoltaic apparatus
Solar radiation quantity Hsingle(γi) between relational model, obtain the annual solar radiation quantity H received of photovoltaic planttotal(γi)
=QiHsingle(γi)；
4) by Htotal(γi) it is maximum when corresponding photovoltaic array towards angle γiOptimal orientation angle as photovoltaic array
γopt；
5) the photovoltaic array Optimal orientation angle γ obtained according to step 4)optCalculate the array of photovoltaic apparatus in North and South direction
The array arrangement spacing of photovoltaic apparatus in formula arrangement spacing, east-west direction, completes the array of photovoltaic apparatus in photovoltaic place
Arrangement.
In step 1), after photovoltaic array changes towards angle γ, the array arrangement spacing of photovoltaic apparatus in North and South direction
dNS' be：
The array arrangement spacing d of photovoltaic apparatus on east-west directionWE' be：
The concrete operations of step 2) are：
S21) setting photovoltaic plant and build that place is in rectangular configuration, L and W are the length and width that photovoltaic plant builds place,
A, B, C, D be photovoltaic plant build place four angle points, s be photovoltaic plant build place towards angle, in the model of [0 °, s]
Enclose it is interior equidistantly choose m photovoltaic array towards angle γi, (i=1,2 ..., m)；
S22) angle point for building place using photovoltaic plant is drawn with photovoltaic battery panel normal vector on the ground as starting point
The perpendicular positioning auxiliary line of projection line, which is translated on the direction perpendicular to it to point D, if translation motion
The side of middle positioning auxiliary line and quadrangle ABCD intersects at point E and F, when the length that the length of line segment EF is a photovoltaic apparatus
When, stop translation positioning auxiliary line, then the arrangement position of first row photovoltaic apparatus is determined on the basis of point E and F；
S23 current positioning auxiliary line) is translated into d on the direction perpendicular to it to point DNS' distance, if positioning at this time auxiliary
Index contour intersects at point E' and F' with quadrangle ABCD, and the length of line segment E'F' is d, and the length of photovoltaic apparatus is l, right's
Result of calculation rounding, then arrangement number of units of the rounding result as second row photovoltaic apparatus；
S24) repeat step S23), remaining each number of units for arranging the photovoltaic apparatus that can arrange in photovoltaic place is calculated successively, until
Untill the length d of line segment E'F' is less than or equal to the length l of photovoltaic apparatus, obtain photovoltaic array towards angle be γiShi Guangfu
The total number of units Q of photovoltaic apparatus that can be arranged in placei；
S25) repeat step S22), S23) and S24), until m photovoltaic array towards angle γiUntill all having traveled through,
Obtain data set (γi,Qi), i=1,2 ..., m；
S26) establish photovoltaic array towards angle γiWith the total number of units Q of the photovoltaic apparatus that can arrange in placeiBetween relation mould
Type.
Photovoltaic array towards angle be γiWhen, the annual solar radiation quantity H received of separate unit photovoltaic apparatussingle(γi) be：
Wherein, tsAnd teRespectively the photovoltaic apparatus operation beginning and ending time, α, β and φ are respectively sun altitude, solar azimuth
Angle and photovoltaic apparatus mounted angle, N for day sequence, ItotalThe intensity of solar radiation received for separate unit photovoltaic apparatus, α, β and φ are
The function of t.
The invention has the advantages that：
The tracing type photovoltaic array arrangement method of combination place of the present invention direction first solves choosing in concrete operations
The m photovoltaic array taken towards angle be γiThe photovoltaic apparatus number of units Q that Shi Guangfu places can arrangei, then calculate photovoltaic array
Towards angle γiWith the annual reception solar radiation quantity H of separate unit photovoltaic apparatussingle(γi) between relational model, so as to solve
Each photovoltaic array is towards angle γiThe annual solar radiation quantity H received of corresponding photo-voltaic power generation stationtotal(γi)；At m
Htotal(γi) H is chosen in result datatotal(γi) it is maximum when corresponding photovoltaic array towards angle γiAs photovoltaic array most
It is good towards angle γopt；Then calculate photovoltaic array towards angle be γoptWhen, the North and South direction arrangement spacing d of photovoltaic arrayNS', east
West to arrangement spacing dWE', the array arrangement of tracing type photovoltaic equipment in formation photovoltaic place.The present invention passes through at the same time
Photovoltaic array is established towards angle and the annual reception solar radiation quantity of can arrange in the place total number of units of photovoltaic apparatus, separate unit photovoltaic apparatus
Between relational model, and the optimal court of photovoltaic array that target obtains is up to the annual solar radiation quantity received of photovoltaic plant
To angle, it can ensure that photovoltaic panel makes full use of photovoltaic place on the premise of shade does not block mutually, reduce land wastage, most
The reception solar radiation quantity of limits, effectively improves the economic well-being of workers and staff of photovoltaic plant.
Brief description of the drawings
Fig. 1 is the flow chart of the present invention；
Fig. 2 (a) is the photovoltaic place schematic diagram for having with due south direction deflection angle；
Fig. 2 (b) is the photovoltaic place schematic diagram for having with due east direction deflection angle；
Fig. 3 (a) for photovoltaic place due south towards when the east-west direction of photovoltaic equipment array, the arrangement spacing of North and South direction show
It is intended to；
Fig. 3 (b) be the non-due south in photovoltaic place towards when the thing of photovoltaic array, north-south arrange spacing schematic diagram；
Fig. 4 (a) is the influence figure towards angle to array arrangement spacing of photovoltaic equipment array when due south direction is arranged；
Fig. 4 (b) is influence figure of the array towards angle to array arrangement spacing when due east direction is arranged；
Fig. 5 (a) is the graph of a relation towards angle γ and equipment number of units Q of north and south tracing type photovoltaic equipment array；
Fig. 5 (b) is the graph of a relation towards angle and photovoltaic apparatus number of units of photovoltaic apparatus array after adjustment place deflection angle；
Fig. 5 (c) is the graph of a relation towards angle and photovoltaic apparatus number of units of photovoltaic apparatus array after adjustment place width；
Fig. 5 (d) is the graph of a relation towards angle and photovoltaic apparatus number of units of photovoltaic apparatus array after adjustment place length；
Fig. 6 (a) is the graph of a relation towards angle γ and photovoltaic apparatus number of units Q of oblique uniaxiality tracking formula photovoltaic apparatus array；
Fig. 6 (b) is the graph of a relation towards angle and photovoltaic apparatus number of units of photovoltaic apparatus array after adjustment place deflection angle；
Fig. 6 (c) is the graph of a relation towards angle and photovoltaic apparatus number of units of photovoltaic apparatus array after adjustment place width；
Fig. 6 (d) is the graph of a relation towards angle and photovoltaic apparatus number of units of photovoltaic apparatus array after adjustment place length；
Fig. 7 (a) is the graph of a relation towards angle γ and photovoltaic apparatus number of units Q of thing tracing type photovoltaic equipment array；
Fig. 7 (b) is the graph of a relation towards angle and photovoltaic apparatus number of units of photovoltaic apparatus array after adjustment place deflection angle；
Fig. 7 (c) is the graph of a relation towards angle and photovoltaic apparatus number of units of photovoltaic apparatus array after adjustment place width；
Fig. 7 (d) is the graph of a relation towards angle and photovoltaic apparatus number of units of photovoltaic apparatus array after adjustment place length；
Fig. 8 (a) is the simulation result figure of traditional arrangement method；
Fig. 8 (b) is the emulation arrangement result figure of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings：
With reference to figure 1, the tracing type photovoltaic array arrangement method of combination place of the present invention direction comprises the following steps：
1) array for setting adjacent photovoltaic equipment in North and South direction arranges spacing as dNS, the battle array of photovoltaic apparatus on east-west direction
Row arrangement spacing dWE, photovoltaic array towards angle be when, the array arrangement spacing d of photovoltaic apparatus in North and South directionNS', it is between east and west
The array arrangement spacing d of upward photovoltaic apparatusWE'；
Specifically, in the case where photovoltaic place is towards due south or due east direction, oblique uniaxiality tracking formula photovoltaic apparatus and south
Northern tracing type photovoltaic equipment is generally arranged using due south direction, and thing tracing type photovoltaic equipment is arranged using due east direction.Fig. 4
(a) it is the influence schematic diagram (arrangement of due south direction) towards angle γ to array pitch of photovoltaic array, solid line coordinate in Fig. 4 (a)
The due south direction of system represents the direction of photovoltaic array during original state, the due south of dotted line coordinate system ' direction represents the light after adjustment
The direction of photovoltaic array；Fig. 4 (b) is that the influence schematic diagram towards angle γ to array pitch of photovoltaic apparatus array (is arranged in due east direction
Cloth), wherein, the due east direction of solid line coordinate system represents the direction of photovoltaic array during original state, the due east of dotted line coordinate system ' side
Photovoltaic after being adjusted to expression sets the direction of array.
For the photovoltaic apparatus of due south direction arrangement, change photovoltaic array towards after the γ of angle, photovoltaic array arrangement spacing
Situation of change such as Fig. 4 (a) shown in, if AO is the subpoint of photovoltaic apparatus photovoltaic panel peak on the ground and ground glazing
Lie prostrate the line of equipment center point, due to change photovoltaic array towards before and after the γ of angle, the direction of sunray and photovoltaic panel are most
The height of high point is constant, therefore in dotted line coordinate system, on the subpoint and ground of the panel peak of photovoltaic apparatus on the ground
The size of the line A'O' of photovoltaic apparatus central point and direction are identical with AO, if dNS、dWERespectively initial photovoltaic array is towards angle
The array arrangement spacing of lower North and South direction and east-west direction, dNS' be after photovoltaic array changes towards angle γ, south ' northern ' on direction
The arrangement spacing of photovoltaic array；dWE' represent that photovoltaic array changes towards angle γ after, on east ' west ' direction between the arrangement of photovoltaic array
Away from.
From Fig. 4 (a), dWE=DO, dNS=CO, dWE'=EO, dNS'=BO, γ=μ-θ, then have：
Tiltedly the arrangement spacing of uniaxiality tracking formula photovoltaic apparatus array is：
The arrangement spacing of thing tracing type photovoltaic equipment array is：
The arrangement spacing of north and south tracing type photovoltaic equipment array is：
2) equidistantly chosen in the range of [0 °, s] m photovoltaic array towards angle γi, wherein, i=1,2 ..., m, s
For place the deflection angle in place and due south direction is built towards angle, i.e. photovoltaic plant.Calculate photovoltaic array towards angle be γiWhen,
The total number of units Q of photovoltaic apparatus that photovoltaic place can arrangei, structure data set (γi,Qi), i=1,2 ..., m；Obtain the court of array
Relational model Q=f (γ) between angle γ and the total number of units Q for the photovoltaic apparatus that can arrange.
The concrete operations of step 2) are：
S21) set photovoltaic plant and build that place is (Fig. 2 (a)) in rectangular configuration, L and W are the length that photovoltaic plant builds place
And width, A, B, C, D are four angle points that photovoltaic plant builds place, s be photovoltaic plant build place towards angle, [0 °,
S] in the range of equidistantly choose m photovoltaic array towards angle γi, (i=1,2 ..., m)；
S22 it is the battery panel normal vector of point-rendering and photovoltaic apparatus on ground) to build the angle point B in place using photovoltaic plant
The perpendicular positioning auxiliary line (dotted line in Fig. 2 (a)) of projection line on face, by the positioning auxiliary line perpendicular to its direction
On translated to the diagonal angle point D of point B, if the side of positioning auxiliary line and quadrangle ABCD intersect at point E and F in translation motion, when
The length of line segment EF for photovoltaic apparatus length l when, stop translation positioning auxiliary line, first row determined on the basis of point E and F
(Fig. 8 (b) upper right corner) is put in the position arrangement of photovoltaic apparatus, remaining is respectively arranged, and photovoltaic apparatus is unified to arrange since left border；
S23 current positioning auxiliary line) is translated into d on the direction perpendicular to it to angle point DNS' (Fig. 3 (b)) distance, if
Positioning auxiliary line intersects at point E' and F' with quadrangle ABCD at this time, and the length of line segment E'F' is d, and the length of photovoltaic apparatus is l,
WillResult of calculation round numbers, the result be second row photovoltaic apparatus arrangement number of units；
S24) repeat step S23), remaining each number of units for arranging the photovoltaic apparatus that can arrange is calculated successively, until line segment E'F'
Untill length d is less than or equal to the length l of a photovoltaic apparatus, it is total that total photovoltaic plant builds the photovoltaic apparatus that place can arrange
Number of units, obtain photovoltaic array towards angle be γiThe total number of units Q of photovoltaic apparatus that can be arranged in Shi Guangfu placesi；
S25) repeat step S22), S23) and S24), until m photovoltaic array towards angle γiUntill all having traveled through,
Obtain data set (γi,Qi), i=1,2 ..., m.
S26) establish photovoltaic array towards angle γiWith the total number of units Q of the photovoltaic apparatus that can arrange in placeiBetween relation mould
Type Q=f (γ).
By taking the tracing type photovoltaic power station of north and south as an example, situation 1：It is respectively L and W that photovoltaic plant, which builds place length and width,
It is s that photovoltaic plant, which builds place with due south direction deflection angle,；Situation 2：Single change deflection angle s；Situation 3：Single change photovoltaic
Power plant construction place width W；Situation 4：Single change photovoltaic plant builds place length L, and point set is fitted in the case of these four
(γi,Qi), as a result respectively as shown in Fig. 5 (a), 5 (b), 5 (c) and 5 (d), wherein, i is 1 integer for arriving m.Photovoltaic as can be seen here
Array towards straight line model Q=k γ+b are substantially met between the number of units Q of angle γ and the photovoltaic apparatus that can arrange, utilize minimum
Square law solves the value of parameter k and b.Fig. 6 and Fig. 7 is respectively oblique uniaxiality tracking formula and thing tracing type photovoltaic array towards angle
With the curve matching figure for the photovoltaic apparatus number of units that can arrange, this corresponding relational model of two kind equipments can also be asked by the above method
Take.
3) derive photovoltaic array towards angle γiWith the annual reception solar radiation quantity H of separate unit photovoltaic apparatussingleBetween
Relational model；Obtain the annual solar radiation quantity H received of photovoltaic planttotal(γi)=QiHsingle(γi)=(k γ+b)
Hsingle(γi)。
Specifically, S31) by taking the array arrangement of thing tracing type photovoltaic equipment as an example, it is assumed that solar incident angle θ, it is single
The intensity of solar radiation that platform photovoltaic apparatus receives is Itotal, study and show that the solar radiation quantity that photovoltaic panel receives is about that the sun enters
The product of firing angle and radiation intensity, therefore, the instantaneous solar radiation quantity H that photovoltaic apparatus receivestimeFor：
Htime=Itotal·cosθ
Tracing type photovoltaic equipment solar incident angle θ during the sun is tracked constantly changes with time t, therefore equipment one day
The solar radiation quantity H of interior receptiondayIt is as follows, wherein ts、teThe respectively equipment operation beginning and ending time.
The annual solar radiation quantity H received of separate unit tracing type photovoltaic equipmentsingleFor：
According to document " Dou Wei, Xu Honghua, Li Jing the research of tracing type photovoltaic electricity generation system [J] solar energy journal .2007,
28(2)：Knowable to solar radiation quantity calculation formula in 169-173. " on any inclined-plane, solar incident angle θ and sun altitude α,
Azimuthal angle beta, equipment mounted angle φ and photovoltaic array towards following relational expression is met between the γ of angle, wherein α, β, φ be on
The function of t.
It can to sum up obtain, the annual solar radiation quantity H received of separate unit tracing type photovoltaic equipmentsingle(γi) be：
Wherein, ItotalRepresent solar radiation overall strength, N represent day sequence (January 1 be 1,2 days be 2 ... 1 day 2 months is 32,
And so on).Itotal, α, β computational methods bibliography " actinometer under the complicated landforms such as Jin Xin, Zhang Lanhui, Zhao Chen
The exploitation of calculation instrument and verification [J] geospatial informations .2014,12 (2)：56-59.”.
Mounted angle is not set during flat uniaxiality tracking formula photovoltaic apparatus installation, but as photovoltaic panel is to position of sun
Tracking, just generates certain mounted angle φ, according to document " the crucial skill of Dai Binghui tracing type photovoltaics power station Computer Aided Design
Art research [D] Xi'an：Xi'an University of Architecture and Technology .2014:13. ", thing tracking mode and north and south tracing type photovoltaic equipment track
During the sun, the value range of φ is [- 90 °, 90 °] and [5 °, 85 °] respectively.Therefore flat single shaft photovoltaic apparatus was run
Any time t in journey, the mounted angle φ of thing tracking mode equipment are：
The mounted angle φ of north and south tracking mode equipment is：
The mounted angle φ of oblique uniaxiality tracking formula photovoltaic apparatus immobilizes, circular bibliography " the graceful in road
Parameters Optimal Design [D] the Xi'an of tracing type photovoltaic array：Xi'an University of Architecture and Technology .2015:19-28.”.
In addition, it is necessary to the Reflectivity for Growing Season ρ on power plant construction ground be known, due to light when calculating the intensity of sun reflected radiation
Overhead utility is generally built in the meagrely-populated place such as deserted mountain, desert, and earth's surface component is mainly sand or hay, these regions
Reflectivity for Growing Season ρ generally takes 20%, specific as shown in table 1.
1 Reflectivity for Growing Season ρ of table
S32) according to the array obtained in step 2) towards angle γiWith the total number of units Q of place photovoltaic apparatus arrangementiBetween pass
Be model Q=f (γ), establish photovoltaic apparatus array towards angle be γiWhen, the annual solar radiation quantity received of photovoltaic plant equipment
Htotal(γi) be:
4) H is calculatedtotal(γi), i=1,2 ... m, will the wherein corresponding photovoltaic array of maximum towards angle γiAs light
The Optimal orientation angle γ of photovoltaic arrayopt。
5) the photovoltaic array Optimal orientation angle γ obtained according to step 4)opt, calculate North and South direction on photovoltaic apparatus array
The array arrangement spacing of photovoltaic apparatus, completes the arrangement of photovoltaic array in photovoltaic place in formula arrangement spacing, east-west direction.
Embodiment one
The complex oblique uniaxiality tracking formula photovoltaic apparatus of arrangement mode is chosen, using length as 106.9 meters, width 40.6
Exemplified by rice and arrangement of the due south direction there are photovoltaic apparatus array in the photovoltaic place of 15 ° of deflection angles, the present invention is said
It is bright, it is specific as follows：
1) photovoltaic plant is set to build in Dunhuang (40.1 ° of north latitude, 94.7 ° of east longitude, height above sea level 1.14km), photovoltaic apparatus electricity
The North and South direction maximum length of pond panel is 6.214 meters, and east-west direction maximum length is 5.794 meters, and stent is away from ground level
3.728 rice.According to the 9 point moment of morning winter solstice, front and rear row equipment shade does not block the array row that photovoltaic apparatus is calculated for condition
Cloth spacing.Referring initially to document " key technology research [D] the Xi'an of Dai Binghui tracing type photovoltaics power station Computer Aided Design：Xi'an is built
Build University of Science and Technology .2014:26-31. ", calculate not change photovoltaic apparatus array towards angle when, it is on east-west direction and southern and northern
Upward adjacent photovoltaic array arrangement spacing is respectively 8.4 meters and 20.5 meters, according to the following formula photovoltaic apparatus array towards angle
After γ changes 5 °, the photovoltaic array spacing on east-west direction and in North and South direction is respectively 7.6 meters and 22.2 meters.
2) with reference to Fig. 2, it is assumed that L=106.9 meters in Fig. 2, W=40.6 meters, s=15 °, to light in the range of [0 °, 15 °]
Photovoltaic array with 1 ° is step-length value at equal intervals towards angle γ, obtain each photovoltaic apparatus array towards angle γi(i=1 ...,
16) the total number of units Q of corresponding photovoltaic apparatus of arrangingi, such as table 2.
Table 2
Using least square method obtain photovoltaic array towards the relational model between angle γ and equipment number of units Q be Q=f
The γ+13.1618 of (γ)=- 0.0132；
3) calculate photovoltaic array towards angle be γiWhen, the oblique uniaxiality tracking formula photovoltaic apparatus of separate unit is annual to receive sun spoke
The amount of penetrating HsingleFor：
The annual solar radiation quantity H received of photovoltaic planttotal(γi) be：
4) the annual solar radiation quantity H received of photovoltaic plant is calculatedtotal(γi) it is maximum when, corresponding photovoltaic array is optimal
It it is 0 ° towards angle；
5) during 0 ° of photovoltaic array Optimal orientation angle, the arrangement spacing point of corresponding photovoltaic array east-west direction and North and South direction
Wei not be 8.4 meters and 20.5 meters.Fig. 8 (a) is the photovoltaic array arrangement result figure that conventional method obtains；Fig. 8 (b) is light in the present invention
Lie prostrate the array arrangement result figure of equipment.
Contrast experiment
Photovoltaic plant place still selects Dunhuang (40.1 ° of north latitude, 94.7 ° of east longitude, height above sea level 1.14km), photovoltaic panel
North and South direction maximum length is 6.214 meters, and east-west direction maximum length is 5.794 meters, 3.728 meters away from ground level of stent.It is false
If the length in photovoltaic place is 106.9 meters, width is 40.6 meters, the deflection angle in photovoltaic place and due south direction is 15 °.At this
In ground during arrangement photovoltaic apparatus, the array that conventional method is normally set up photovoltaic apparatus is consistent with the deflection angle in place towards angle, i.e.,
Photovoltaic array in traditional arrangement method is also equal to 15 ° towards angle.Traditional arrangement method and the arrangement experimental result of the present invention
Contrast is as shown in table 3.
Table 3
From table 3 it can be seen that the present invention can effectively improve the annual solar radiation quantity received of photovoltaic plant.The present invention with
The prior art is compared, and the annual solar radiation growth rate received in power station is 20%；When photovoltaic, which builds site parameter, to be changed, utilize
The solar radiation quantity growth rate that the present invention calculates has deviation.
Claims (3)
1. the tracing type photovoltaic array arrangement method of a kind of combination place direction, it is characterised in that comprise the following steps：
1) array for setting photovoltaic apparatus in North and South direction arranges spacing as dNS, the array arrangement of photovoltaic apparatus on east-west direction
Spacing is dWE, photovoltaic array towards angle be γ when, the array arrangement spacing of photovoltaic apparatus is d in North and South directionNS', it is between east and west
The array arrangement spacing of upward photovoltaic apparatus is dWE', wherein, the photovoltaic array towards angle γ for photovoltaic array towards with just
South to angle；
2) m photovoltaic array is equidistantly chosen in the range of [0 °, s] towards angle γi, wherein, i=1,2, Λ, m, s are place
Towards angle, calculate photovoltaic array towards angle be γiWhen place in the total number of units Q of photovoltaic apparatus that can arrangei, build data set
(γi,Qi)；And photovoltaic array is established towards angle γiWith the total number of units Q of the photovoltaic apparatus that can arrangeiBetween relational model；
3) when photovoltaic array towards angle be γiWhen, photovoltaic array is solved towards angle γiWith the annual reception sun of separate unit photovoltaic apparatus
Amount of radiation Hsingle(γi) between relational model, obtain the annual solar radiation quantity H received of photovoltaic planttotal(γi)=
QiHsingle(γi)；
4) by Htotal(γi) it is maximum when corresponding photovoltaic array towards angle γiOptimal orientation angle γ as photovoltaic arrayopt；
5) calculation procedure 4) obtained photovoltaic array Optimal orientation angle γoptThe array of photovoltaic apparatus in corresponding North and South direction
The array arrangement spacing of photovoltaic apparatus, the array row for completing photovoltaic apparatus in photovoltaic place in arrangement spacing, east-west direction
Cloth；
The concrete operations of step 2) are：
S21) setting photovoltaic plant and build that place is in rectangular configuration, L and W are the length and width that photovoltaic plant builds place, A, B,
C, D be photovoltaic plant build place four angle points, s be photovoltaic plant build place towards angle, in the range of [0 °, s]
Equidistantly choose m photovoltaic array towards angle γi, (i=1,2, Λ, m)；
S22) angle point for building place using photovoltaic plant is drawn and the projection of photovoltaic battery panel normal vector on the ground as starting point
The perpendicular positioning auxiliary line of line, which is translated on the direction perpendicular to it to point D, if fixed in translation motion
The side of position auxiliary line and quadrangle ABCD intersect at point E and F, when line segment EF length for photovoltaic apparatus length when, stop
Positioning auxiliary line is only translated, then the arrangement position of first row photovoltaic apparatus is determined on the basis of point E and F；
S23 current positioning auxiliary line) is translated into d on the direction perpendicular to it to point DNS' distance, if positioning auxiliary line at this time
Point E' and F' are intersected at quadrangle ABCD, the length of line segment E'F' is d, and the length of photovoltaic apparatus is l, rightCalculating
As a result rounding, then arrangement number of units of the rounding result as second row photovoltaic apparatus；
S24) repeat step S23), remaining each number of units for arranging the photovoltaic apparatus that can arrange in photovoltaic place is calculated successively, until line segment
Untill the length d of E'F' is less than or equal to the length l of photovoltaic apparatus, obtain photovoltaic array towards angle be γiShi Guangfu places
The interior total number of units Q of photovoltaic apparatus to arrangei；
S25) repeat step S22), S23) and S24), until m photovoltaic array towards angle γiUntill all having traveled through, obtain
Data set (γi,Qi), i=1,2, Λ, m；
S26) establish photovoltaic array towards angle γiWith the total number of units Q of the photovoltaic apparatus that can arrange in placeiBetween relational model.
2. the tracing type photovoltaic array arrangement method of combination place according to claim 1 direction, it is characterised in that step
1) in, after photovoltaic array changes towards angle γ, the array arrangement spacing d of photovoltaic apparatus in North and South directionNS' be：
The array arrangement spacing d of photovoltaic apparatus on east-west directionWE' be：
3. the tracing type photovoltaic array arrangement method of combination place according to claim 1 direction, it is characterised in that photovoltaic
Array towards angle be γiWhen, the annual solar radiation quantity H received of separate unit photovoltaic apparatussingle(γi) be：
Wherein, tsAnd teRespectively photovoltaic apparatus operation the beginning and ending time, α, β and φ be respectively sun altitude, solar azimuth and
Photovoltaic apparatus mounted angle, N for day sequence, ItotalThe intensity of solar radiation received for separate unit photovoltaic apparatus, α, β and φ are t's
Function.
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| CN106788157A (en) * | 2016-11-24 | 2017-05-31 | 夏巨龙 | A kind of three-dimensional method for arranging of mountain region photovoltaic power station component due south optimum angle of incidence |
| CN106502274B (en) * | 2016-12-14 | 2019-01-29 | 河海大学常州校区 | A method of optimization photovoltaic tracking system inter-module away from |
| CN109684593B (en) * | 2018-11-19 | 2023-06-06 | 南京国电南自新能源工程技术有限公司 | Mountain photovoltaic project array spacing calculation method and system |
| CN110851945B (en) * | 2019-08-08 | 2024-04-05 | 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 |
| CN111191312B (en) * | 2019-12-27 | 2023-04-25 | 深圳集智数字科技有限公司 | Method and related device for obtaining land parcel arranging angle |
| CN111354078A (en) * | 2020-03-05 | 2020-06-30 | 浙江正泰新能源开发有限公司 | Photovoltaic tracking support parameter determination method, device, equipment and storage medium |
| CN111764727A (en) * | 2020-07-28 | 2020-10-13 | 兰州理工大学 | Herringbone photovoltaic array wind-break wall |
| CN112560256B (en) * | 2020-12-10 | 2023-04-07 | 中国电建集团贵州电力设计研究院有限公司 | System and method for calculating optimal spacing of photovoltaic strings |
| CN113419567B (en) * | 2021-07-05 | 2023-07-14 | 阳光电源（上海）有限公司 | Tracking angle optimization method and system for tracking bracket |
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