CN106452301A - Photovoltaic component installation design method for non-due-south slope - Google Patents
Photovoltaic component installation design method for non-due-south slope Download PDFInfo
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention discloses a photovoltaic component installation design method for a non-due-south slope, and belongs to the technical field of solar energy resource development and utilization. The photovoltaic component installation design method comprises a photovoltaic component array row direction, longitudinal direction and support inclination angle determination method and a shadow analysis and spacing design method. Firstly a space coordinate system is established; the direction angle phi<s> of the slope s is obtained through field measurement; the inclination angle theta<s> of the slope s is obtained; and the unit normal vector mu<arrow><s> of the slope s and an inclined angle gamma of a photovoltaic component standing behind the slope and the slope are calculated to act as the design requirements of the inclination angle required to be formed for the photovoltaic support, and the requirements of the target direction angle phi<d> and the target inclination angle theta<I> of photovoltaic component installation can be met. Meanwhile, the shadow situation generated by the component can be analyzed so as to realize the optimized design of the row spacing of the component; and the mountain location range is extended, and the support form is unified and field installation is convenient so as to have wide application prospect in the actual design of mountain photovoltaic power stations.
Description
Technical field
The invention belongs to solar energy resources evaluation and exploration technology field, particularly to a kind of light domatic for anon-normal south orientation
Volt assembly mounting design method
Background technology
With a large amount of exploitations to solar energy resources for the China in recent years, the sunshine that can be used for photovoltaic plant construction is sufficient,
The flat land resource of gesture reduces increasingly, and photovoltaic plant addressing gradually extends to the complexity landform such as mountain region, hills.Mountain region light
Overhead utility physical features is complicated, and each natural slope shows towards different, the traditional photovoltaic module mounting design methods for flatly type
So need to improve.In order to receive solar radiation to greatest extent, the assembly in level terrain large-sized photovoltaic power station is generally using just
South orientation, optimum angle of incidence, support bracket fastened mounting means.And in order to improve mountain region photovoltaic plant land utilization efficiency, some anon-normal
The domatic of south orientation is also required to be utilized, if necessarily requiring photovoltaic module to install towards due south in such cases, by domatic
There is on east-west the impact of certain curvature, using traditional fixed support along after East and West direction installation, the base of assembly is not
Parallel to horizontal plane, but along transmeridional gradient and horizontal plane, there is certain angle.Therefore component planes normal vector no longer
Point to due south direction, but be provided with transmeridional component.For this problem, a class solution is using live adjustable supporting
Frame, in Chinese patent CN 203896255 U " a kind of hillside photovoltaic plant base rack system " and CN 202495454 U "
It is all this thinking although the positive south orientation of assembly can be met to a certain extent in kind hillside type solar photovoltaic power plant fixed support "
The requirement that optimum angle of incidence is installed, but it is the increase in support manufacturing cost and the difficulty of diversity construction.Equations of The Second Kind solution is
Retain conventional fixed-type support, photovoltaic module along domatic laying, but and not in strict accordance with east-west, but have with east-west direction
Certain angle, such as Chinese patent CN 103441185 A " a kind of method and device installing photovoltaic array on East and West direction slope "
Method for designing.But, now the determination method of the deflection of photovoltaic module and optimum angle of incidence is more complicated, for example, in patent CN
105490619 A " a kind of method of the optimal mounted angle of determination photovoltaic module and the multi-angle photovoltaic data acquisition case being used "
Propose the scheme determining using experiment.Although the assembly under second scheme accepts the slightly below positive south orientation of radiation effect installing,
But expand mountain region addressing scope, and rack form is unified, in-site installation is convenient, have in the design of photovoltaic power station of actual mountain region
There is broad prospect of application.But there is presently no unified method for designing, and lack shadowing analysis, line space design etc. according to
According to.
Content of the invention
The purpose of the present invention is to propose to a kind of photovoltaic module mounting design method domatic for anon-normal south orientation, its feature exists
In, specifically include the row of photovoltaic module array to moving towards, be longitudinally oriented, the determination method of leg inclination, and shadowing analysis,
Away from method for designing, the domatic upper photovoltaic module mounting design step of anon-normal south orientation is as follows：
1) space coordinates are initially set up, wherein X-axis positive direction is due west, and Y-axis positive direction is due south, and X-Y constitutes level
Plane；Z axis positive direction is straight up, represents height；This coordinate system meets the convention of up north and down south left west and right east；Secondly define
Deflection φ, that is, on an x-y plane the folded angle in a straight line μ and Y-axis due south direction it is stipulated that being forward direction clockwise by positive south orientation,
It is negative sense counterclockwise by positive south orientation, that is, to for 90 °, positive east orientation is -90 ° to due west；Define inclination angle theta, i.e. certain plane and X-Y in space
The angle of plane；
2) pass through field survey, obtain the deflection φ of domatic ss；Obtain the inclination angle theta of domatic ss；Calculate the unit of domatic s
Normal vector
3) the target direction angle φ of photovoltaic module to be installed known todWith target-angle θd, computation module is towards the unit of face d
Normal vector
4) domatic interior, photovoltaic module is arranged with the formal rule of more parallel rows, and definition is located at the unit row on domatic surface
VectorBase or bottom horizontal support edge vector when every row photovoltaic moduleDetermined by direction laying when, meet install
The target direction angle φ of photovoltaic moduledWith target-angle θdRequirement, then enter row vectorCalculating；
5) photovoltaic module row to move towards determine after, meet install photovoltaic module target direction angle φdIncline with target
Angle θdRequirement condition under calculate photovoltaic module support and domatic angle γ, this angle γ is to be realized by photovoltaic module support
's；
6) photovoltaic module with photovoltaic module support and domatic angle γ stand on domatic after, the unit vector of the side of assemblyComputational methods as follows：
A. because photovoltaic module is rectangle, so side is vectorialPerpendicular to base vector
B. due to side vectorIn photovoltaic module is towards face d, soPerpendicular to
C. due toIt is respectively perpendicular toWithSoWherein symbol "×" is geometric vector
" crossed product " computing；
7) photovoltaic module with angle γ stand on domatic after, its shade vector calculation following steps：
A. according to known sun altitude α and deflection Φr, sunray unit vector is described under Fig. 2 coordinate system
In formula：It is domatic that negative sign represents that this vector sends sensing by the sun；
B. set assembly side and be unit vectorThen the rim ray through assembly the top is to shine through side top
It is mapped on domatic, if incline top is k to domatic light path, be expressed as vectorIf photovoltaic module institute's shape on domatic
Become shade vector beDirection is by photovoltaic module side bottom directional phantom end；The then side vector of photovoltaic moduleLight
Cheng XiangliangShade vectorConstitute a vector triangle：
Simultaneously as shade is on domatic, so shade is vectorialInevitable with domatic normal vectorVertically：
Upper two formula simultaneous, try to achieve shade vector
8) the longitudinally vector of photovoltaic module arrayComputational methods as follows：
A. photovoltaic module array longitudinally vectorPerpendicular to component rows to vector
B. photovoltaic module longitudinally vectorAlso on domatic s, so the normal vector perpendicular to domatic s
C. due to vectorIt is respectively perpendicular toWithSo：
D. vectorAfter determination, can calculateDeflection σ on X-Y axial plane：
σ=tan-1(AXX/AXY), wherein AXYForComponent in Y-axis, AXXForComponent in X-axis；On slope
Face determines the start of installation A1 of certain row assembly, determines the horizontal linear direction as σ for the deflection with horizontal compass, projects to domatic
The straight line being formed, that is, be to be by the direction that A1 point determinesPhotovoltaic module array longitudinally mounted direction；
E. the base of array pitch as adjacent rows photovoltaic module array existsDistance on direction；
9) assembly is in longitudinal vectorActual projected length L on directionAXComputational methods as follows：
Unit vector due to photovoltaic module side isIf so the physical length of photovoltaic module side is LVL, then existActual shadow length L on directionAXFor：
10) the lengthwise rows line space design method of photovoltaic module array is as follows：
A. there is average sun altitude and the side of m hour of sunshine condition according to technical dates (generally winter solstice)
To angular data, determine shade in longitudinal vector successively according to step 7-9On each hourly average projected lengthIts
Middle i=1,2 .., m；
B. will be eachBy order sequence from small to large, formation sequence Arr；
C. according to the requirement to assembly minimum unobstructed hourage T in a day in design of photovoltaic power station specification, in sequence
The T variable is found in ArrThis value as meets the minima of the interline space of unobstructed requirement.
Described vectorComputational methods as follows：
A. vectorIn domatic s, soPerpendicular to
B. vectorAgain in assembly is towards face d, soPerpendicular to
C. due toIt is respectively perpendicular toWithSoWherein symbol "×" be geometry to
" crossed product " computing of amount；
D. vectorAfter determination, calculateDeflection δ on X-Y axial plane,
δ=tan-1(SLX/SLY), wherein SLYForComponent in Y-axis, SLXForComponent in X-axis；
E. in the domatic start of installation A1 determining certain row photovoltaic module, determine that the level as δ for the deflection is straight with horizontal compass
Line direction, projects formed straight line to domatic, that is, be to be by the direction that A1 point determinesThis row photovoltaic module array
Row is to installation route；
The calculation procedure of described angle γ is as follows：
A. obtain the normal vector of domatic s
B. obtain photovoltaic module towards the normal vector of face d
C. by geometry dihedral angle theorem：Wherein：Symbol ". " is " quantity of geometric vector
Long-pending " computing, symbol " | | " is " modulus value " computing of geometric vector；
D. this γ can be used as the design requirement at the inclination angle being formed required for photovoltaic bracket；
The invention has the beneficial effects as follows this mounting design method is the computational methods of the concrete installation parameter of a set of photovoltaic module,
Including photovoltaic module array row to moving towards, be longitudinally oriented, the determination method of leg inclination, and shadowing analysis, line space design
Method：
(1) can calculate carry out on anon-normal south orientation is domatic row required for photovoltaic module mounting design to installation direction,
Arrange to the important parameter such as angle needed for installation direction, support, accurately to realize target direction angle and the target-angle of assembly；
(2) can analytic unit produce shadow condition, to realize the optimization design of assembly interline space；The present invention is to Yushan Hill
Designing and developing of photovoltaic plant of ground has actual directive significance.
Brief description
Fig. 1 is overall calculation flow chart.
Fig. 2 is space coordinates schematic diagram.
Fig. 3 is a kind of simple photovoltaic support schematic diagram, in figure：1 is photovoltaic module, and 2 is left side brackets, and 3 is left side brackets
With ground fixing device, 4 be right side support, 5 be right side support and ground fixing device, γ be photovoltaic module support with domatic
Angle.
Fig. 4 is domatic photovoltaic array schematic diagram.
Specific embodiment
The present invention proposes a kind of photovoltaic module mounting design method domatic for anon-normal south orientation, specifically includes assembly array
Walking in a horizontal state to, longitudinal row trend, leg inclination determination method, and shadowing analysis, line space design method, with reference to
Drawings and Examples are explained to the present invention.
It is illustrated in figure 1 overall calculation flow chart；It is exactly the domatic glazing of anon-normal south orientation carrying out according to this flow chart below
Volt assembly mounting design step is as follows：
1) space coordinates as shown in Figure 2 are initially set up, wherein X-axis positive direction is due west, and Y-axis positive direction is due south,
X-Y constitutes horizontal plane；Z axis positive direction is straight up, represents height；This coordinate system meets the used of up north and down south left west and right east
Example；Define deflection φ, that is, in fig. 2 on X-Y plane the folded angle of a straight line and Y-axis positive direction (south orientation) it is stipulated that by due south
To being forward direction clockwise, it is negative sense counterclockwise by positive south orientation, that is, to for 90 °, positive east orientation is -90 ° to due west；Define inclination angle theta, that is, empty
Between in certain plane and Fig. 2 X-Y plane angle；
2) pass through field survey, obtain the deflection φ of domatic ss；By field survey, obtain the inclination angle theta of domatic ss；Meter
Calculate the unit normal vector of domatic s
3) the target direction angle φ of photovoltaic module to be installed known todWith target-angle θd, computation module is towards the unit of face d
Normal vector
4) domatic interior, photovoltaic module arranges (as shown in Figure 3) with the formal rule of more parallel rows, and definition is positioned at domatic table
The unit row vector in faceBase or bottom horizontal support edge vector when every row photovoltaic moduleDetermined by direction laying
When, the target direction angle φ of photovoltaic module to be installed can be metdWith target-angle θdRequirement；Then vectorComputational methods such as
Under：
A. vectorIn domatic s, soPerpendicular to
B. vectorAgain in photovoltaic module is towards face d, soPerpendicular to
C. due toIt is respectively perpendicular toWithSoWherein symbol "×" is geometric vector
" crossed product " computing；
D. vectorAfter determination, calculateDeflection δ on X-Y axial plane,
δ=tan-1(SLX/SLY), wherein SLYForComponent in Y-axis, SLXForComponent in X-axis；
E. in the domatic start of installation A1 determining certain row photovoltaic module, determine that the level as δ for the deflection is straight with horizontal compass
Line direction, projects formed straight line to domatic, that is, be to be by the direction that A1 point determinesThis row photovoltaic module array
Row is to installation route.
5) photovoltaic module row, to after move towards to determine, calculates below and is meeting the target direction angle φ of photovoltaic module to be installedd
With target-angle θdUnder the conditions of photovoltaic module and domatic angle γ, this angle γ realizes by photovoltaic module support；Folder
The calculation procedure of angle γ is as follows：
A. obtain the normal vector of domatic s
B. obtain assembly towards the normal vector of face d
C. by geometry dihedral angle theorem：Wherein：Symbol ". " is " quantity of geometric vector
Long-pending " computing, symbol " | | " is " modulus value " computing of geometric vector；
D. this γ can be used as the design requirement at the inclination angle being formed required for photovoltaic bracket；
6) photovoltaic module with angle γ stand on domatic after, the unit vector of the side of photovoltaic moduleComputational methods such as
Under：
A. because photovoltaic module is rectangle, so side is vectorialPerpendicular to base vector
B. due to side vectorIn photovoltaic module is towards face d, soPerpendicular to
C. due toIt is respectively perpendicular toWithSoWherein symbol "×" is geometric vector
" crossed product " computing；
7) photovoltaic module with angle γ stand on domatic after, its shade vector calculation following steps：
A. according to known sun altitude α and deflection φr, sunray unit vector is described under Fig. 2 coordinate system
In formula：It is domatic that negative sign represents that this vector sends sensing by the sun；
B. set photovoltaic module side and be unit vectorThen the rim ray through photovoltaic module the top is through side
Top is irradiated on domatic, if incline top is k to domatic light path, is expressed as vectorIf photovoltaic module is domatic
On the shade vector that formed beDirection is by photovoltaic module side bottom directional phantom end.The then side vector of photovoltaic moduleLight path vectorShade vectorConstitute a vector triangle：
Simultaneously as shade is on domatic, so shade is vectorialInevitable with domatic normal vectorVertically：
Upper two formula simultaneous, try to achieve shade vector
8) the longitudinally vector of photovoltaic module arrayComputational methods as follows：
A. photovoltaic module array longitudinally vectorPerpendicular to component rows to vector
B. photovoltaic module longitudinally vectorAlso on domatic s, so the normal vector perpendicular to domatic s
C. due to vectorIt is respectively perpendicular toWithSo：
D. vectorAfter determination, can calculateDeflection σ on X-Y axial plane：
σ=tan-1(AXX/AXY), wherein AXYForComponent in Y-axis, AXXForComponent in X-axis；On slope
Face determines the start of installation A1 of certain row assembly, determines the horizontal linear direction as σ for the deflection with horizontal compass, projects to domatic
The straight line being formed, that is, be to be by the direction that A1 point determinesPhotovoltaic module array longitudinally mounted direction；
E. the base of array pitch as adjacent rows assembly array existsDistance on direction；
9) photovoltaic module is in longitudinal vectorActual projected length L on directionAXComputational methods as follows：
Unit vector due to photovoltaic module side isIf so the physical length of photovoltaic module side is LVL, then existActual shadow length L on directionAXFor：
10) the lengthwise rows line space design method of photovoltaic module array is as follows：
A. there is average sun altitude and the side of m hour of sunshine condition according to technical dates (generally winter solstice)
To angular data, determine shade in longitudinal vector successively according to step 7-9On each hourly average projected lengthIts
Middle i=1,2 .., m；
B. will be eachBy order sequence from small to large, formation sequence Arr；
C. according to the requirement to assembly minimum unobstructed hourage T in a day in design of photovoltaic power station specification, in sequence
The T variable is found in ArrThis value as meets the minima of the interline space of unobstructed requirement.
Embodiment
In certain mountain region yet to be built photovoltaic plant, certain domatic region is oriented 60 ° of south by east, i.e. φs=-60 °；Domatic inclination angle
For 30 °, i.e. θs=30 °；The target that early stage is designed to out array is 15 ° of south by east towards face, i.e. Φd=-15 °；Target-angle is
30 °, i.e. θd=30 °.Design procedure is as follows：
1. space coordinates as shown in Figure 2 to domatic definition to be analyzed first.
2. by the normal vector of domatic s
It is calculatedDefined according to coordinate axess, this vector refers to
Southeastward side on the upper side.
3. by assembly towards face d normal vector
It is calculatedDefined according to coordinate axess, this vector points to
Southeast side on the upper side.
4. the row that computation module array is installed is to vector direction：
A. calculate vector
B. calculateDeflection δ on X-Y axial plane:
δ=tan-1(SLX/SLY)=- 37.50 °；The start of installation of certain row assembly is determined on domatic, true with horizontal compass
Determine the horizontal linear direction that deflection is -37.50 °, project formed straight line to domatic, determined by start of installation
Direction isThis row assembly array installation route.
5. calculate the photovoltaic module support under the conditions of meeting target direction angle and target-angle and domatic angle γ, this
Angle γ is realized by photovoltaic module support；γ is calculated as follows：
As Fig. 3 gives a kind of signal of simple photovoltaic bracket, wherein 1 is photovoltaic module, and 2 is left side brackets, and 3 is a left side
Side stand and ground fixing device, 4 is right side support, and 5 is right side support and ground fixing device, and γ is support angle.Wherein,
Photovoltaic module support is 22.06 ° with domatic angle γ.The form that implements of support can be different.
6. the unit vector of assembly sideCalculating：
7. only the explanation of shade computational methods is carried out with the sun condition in a certain moment herein：Assume the height of now sunlight
Degree angle is 44.2 °, i.e. α=44.2 °；Solar direction angle is 50 ° of south by east, i.e. φr=-50 °.
A. calculate the unit direction vector of sunray first
Vector points to northwest direction on the lower side；
B. according to hatched triangle vector equation, calculate：
Shade：
For different altitude of the suns and direction,Computational methods in the same manner.
8. the longitudinally vector of assembly arrayCalculating：
a.This vector points to northeast
Partial below.
B. vectorAfter determination, can calculateDeflection σ, σ=tan on X-Y axial plane-1(AXX/AXY)=-
132.74°；In the domatic start of installation A1 determining certain row assembly, determine that deflection is -132.74 ° with level angle measurement apparatus
Horizontal linear direction, project formed straight line to domatic, that is, be to be by the direction that A1 point determinesAssembly array peace
The longitudinal direction of dress.
9. calculate now photovoltaic module be projected in longitudinal vectorLength on direction is it is assumed that photovoltaic module side
Physical length is 150cm, then existActual shadow length L on directionAXFor：
10. the lengthwise rows line space design method of photovoltaic module array is as follows：
A. there is average sun altitude and the side of m hour of sunshine condition according to technical dates (generally winter solstice)
To angular data, determine that shade is arranging to each hourly average projected length on vector according to step 7-9Wherein i=1,
2,..,m；
B. will be eachBy order sequence from small to large, formation sequence Arr；
C. according to the requirement to assembly minimum unobstructed hourage T in a day, such as T=in design of photovoltaic power station specification
6, then find the 6th variable in sequence ArrThis value as meets the minima of the interline space of unobstructed requirement.
Claims (3)
1. a kind of photovoltaic module mounting design method domatic for anon-normal south orientation is it is characterised in that specifically include photovoltaic module
The row of array is to moving towards, be longitudinally oriented, the determination method of leg inclination, and shadowing analysis, line space design method, anon-normal south orientation
Domatic upper photovoltaic module mounting design step is as follows：
1) space coordinates are initially set up, wherein X-axis positive direction is due west, and Y-axis positive direction is due south, and X-Y constitutes horizontal plane；
Z axis positive direction is straight up, represents height；This coordinate system meets the convention of up north and down south left west and right east；Secondly define direction
Angle φ, that is, on an x-y plane the folded angle in a straight line μ and Y-axis due south direction it is stipulated that being forward direction clockwise by positive south orientation, by just
South orientation is negative sense counterclockwise, and that is, to for 90 °, positive east orientation is -90 ° to due west；Define inclination angle theta, i.e. certain plane and X-Y plane in space
Angle；
2) pass through field survey, obtain the deflection φ of domatic ss；Obtain the inclination angle theta of domatic ss；Calculate the unit normal direction of domatic s
Amount
3) the target direction angle φ of photovoltaic module to be installed known todWith target-angle θd, computation module is towards the unit normal direction of face d
Amount
4) domatic interior, photovoltaic module is arranged with the formal rule of more parallel rows, and definition is located at the unit row vector on domatic surfaceBase or bottom horizontal support edge vector when every row photovoltaic moduleDetermined by direction laying when, meet install photovoltaic
The target direction angle φ of assemblydWith target-angle θdRequirement, then enter row vectorCalculating；
5) photovoltaic module row to move towards determine after, meet install photovoltaic module target direction angle φdWith target-angle θd's
Photovoltaic module support and domatic angle γ is calculated, this angle γ is realized by photovoltaic module support under requirement condition；
6) photovoltaic module with photovoltaic module support and domatic angle γ stand on domatic after, the unit vector of the side of photovoltaic moduleComputational methods as follows：
A. because photovoltaic module is rectangle, so side is vectorialPerpendicular to base vector
B. due to side vectorIn photovoltaic module is towards face d, soPerpendicular to
C. due toIt is respectively perpendicular toWithSoWherein symbol "×" is " handing over of geometric vector
Cross product " computing；
7) photovoltaic module with photovoltaic module support and domatic angle γ stand on domatic after, its shade vector calculation walks as follows
Suddenly：
A. according to known sun altitude α and deflection φr, sunray unit vector is described under Fig. 2 coordinate system
In formula：It is domatic that negative sign represents that this vector sends sensing by the sun；
B. set assembly side and be unit vectorThen the rim ray through assembly the top is to be irradiated to slope through side top
On face, if incline top is k to domatic light path, it is expressed as vectorIf the moon that photovoltaic module is formed on domatic
Shadow vector isDirection is by photovoltaic module side bottom directional phantom end；The then side vector of photovoltaic moduleLight path vectorShade vectorConstitute a vector triangle：
Simultaneously as shade is on domatic, so shade is vectorialInevitable with domatic normal vectorVertically：
Upper two formula simultaneous, try to achieve shade vector
8) the longitudinally vector of photovoltaic module arrayComputational methods as follows：
A. photovoltaic module array longitudinally vectorPerpendicular to photovoltaic module row to vector
B. photovoltaic module longitudinally vectorAlso on domatic s, so the normal vector perpendicular to domatic s
C. due to vectorIt is respectively perpendicular toWithSo：
D. vectorAfter determination, can calculateDeflection σ on X-Y axial plane：
σ=tan-1(AXX/AXY), wherein AXYForComponent in Y-axis, AXXForComponent in X-axis；Domatic true
The start of installation A1 of certain row photovoltaic module fixed, determines the horizontal linear direction as σ for the deflection with horizontal compass, projects to domatic
The straight line being formed, that is, be to be by the direction that A1 point determinesPhotovoltaic module array longitudinally mounted direction；
E. the base of array pitch as adjacent rows photovoltaic module array existsDistance on direction；
9) assembly is in longitudinal vectorActual projected length L on directionAXComputational methods as follows：
Unit vector due to photovoltaic module side isIf so the physical length of photovoltaic module side is LVL, then exist
Actual shadow length L on directionAXFor：
10) the lengthwise rows line space design method of photovoltaic module array is as follows：
A. the average sun altitude of m hour of this had sunshine condition of special date and deflection according to the winter solstice
Data, determines shade in longitudinal vector according to step 7-9 successivelyOn each hourly average projected lengthWherein i
=1,2 .., m；
B. will be eachBy order sequence from small to large, formation sequence Arr；
C. according to the requirement to assembly minimum unobstructed hourage T in a day in design of photovoltaic power station specification, in sequence Arr
Find the T variableThis value as meets the minima of the interline space of unobstructed requirement.
2. according to claim 1 a kind of photovoltaic module mounting design method domatic for anon-normal south orientation it is characterised in that
Described vectorComputational methods as follows：
A. vectorIn domatic s, soPerpendicular to
B. vectorAgain in assembly is towards face d, soPerpendicular to
C. due toIt is respectively perpendicular toWithSoWherein symbol "×" is geometric vector
" crossed product " computing；
D. vectorAfter determination, calculateDeflection δ on X-Y axial plane,
δ=tan-1(SLX/SLY), wherein SLYForComponent in Y-axis, SLXForComponent in X-axis；
E. in the domatic start of installation A1 determining certain row photovoltaic module, the horizontal linear side as δ for the deflection is determined with horizontal compass
To projecting formed straight line to domatic, that is, be to be by the direction that A1 point determinesThis row photovoltaic module array row to
Route is installed.
3. according to claim 1 a kind of photovoltaic module mounting design method domatic for anon-normal south orientation it is characterised in that
Described photovoltaic module support is as follows with the calculation procedure of domatic angle γ：
A. obtain the normal vector of domatic s
B. obtain photovoltaic module towards the normal vector of face d
C. by geometry dihedral angle theorem：Wherein：Symbol ". " is " scalar product " of geometric vector
Computing, symbol " | | " is " modulus value " computing of geometric vector；
D. this γ is as the design requirement at the inclination angle being formed required for photovoltaic bracket.
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| CN110021063A (en) * | 2018-01-09 | 2019-07-16 | 特变电工新疆新能源股份有限公司 | A kind of three dimensional arrangement method of the equivalent optimum angle of incidence plane of mountainous region photovoltaic array |
| CN110021063B (en) * | 2018-01-09 | 2023-05-16 | 特变电工新疆新能源股份有限公司 | Three-dimensional arrangement method for equivalent optimal inclination plane of mountain photovoltaic array |
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| CN109779332A (en) * | 2018-12-28 | 2019-05-21 | 成都建工工业设备安装有限公司 | A kind of construction technology of mountainous region complicated landform photo-voltaic power generation station |
| CN116707413A (en) * | 2023-08-08 | 2023-09-05 | 中国电建集团昆明勘测设计研究院有限公司 | Automatic arrangement method for photovoltaic arrays of complex terrains of mountain areas of highland |
| CN116707413B (en) * | 2023-08-08 | 2023-11-10 | 中国电建集团昆明勘测设计研究院有限公司 | Automatic arrangement method for photovoltaic arrays of complex terrains of mountain areas of highland |
| CN118012137A (en) * | 2024-04-08 | 2024-05-10 | 汇耀品尚能源科技(嘉兴)有限公司 | Equipment control method for flexible photovoltaic and related device |
| CN118012137B (en) * | 2024-04-08 | 2024-06-07 | 汇耀品尚能源科技(嘉兴)有限公司 | Equipment control method for flexible photovoltaic and related device |
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