CN114662777A - Photovoltaic module serial line arrangement determining method and device, electronic equipment and storage medium - Google Patents
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Abstract
The invention discloses a method and a device for determining the serial line arrangement of a photovoltaic module, electronic equipment and a storage medium. The method for determining the serial line arrangement of the photovoltaic module comprises the following steps: dividing the photovoltaic modules into a plurality of clusters of modules according to the parameters of the inverters, and distributing each cluster of modules to a corresponding inverter; iteratively searching the neighborhood of each photovoltaic module in each cluster of modules to obtain a plurality of connected region sequences; and calculating the distance between the starting point and the end point in each connected region sequence and the corresponding inverter, and determining the serial line arrangement mode of each cluster of components and the inverters according to the connected region sequence corresponding to the minimum distance in all the distances. The technical scheme of the embodiment of the invention achieves the effect of realizing better serial wire arrangement, is beneficial to reducing the length of a cable, reduces the serial wire connection time and reduces the serial wire cost.
Description
Technical Field
The invention relates to the technical field of photovoltaic modules, in particular to a method and a device for determining serial line arrangement of a photovoltaic module, electronic equipment and a storage medium.
Background
The basic power generation unit of the photovoltaic power station is a photovoltaic module, and when the photovoltaic power station is built, the photovoltaic modules need to be connected into a string and then connected with an inverter.
In photovoltaic modules in household, distributed and large-scale power stations, many small holes and odd-shaped matrixes appear in common module arrangement, and often the series arrangement is time-consuming and labor-consuming, and the final series arrangement is not optimal.
Disclosure of Invention
The invention provides a method and a device for determining serial line arrangement of photovoltaic modules, electronic equipment and a storage medium, and aims to realize better serial line arrangement of the photovoltaic modules.
According to an aspect of the present invention, there is provided a method for determining a serial line arrangement of a photovoltaic module, the method comprising:
according to the parameters of the inverters, dividing the photovoltaic modules into a plurality of clusters of modules, and distributing each cluster of modules to a corresponding inverter;
iteratively searching the neighborhood of each photovoltaic module in each cluster of modules to obtain a plurality of connected region sequences;
and calculating the distance between the starting point and the end point in each connected region sequence and the corresponding inverter, and determining the serial line arrangement mode of each cluster of components and the inverters according to the connected region sequence corresponding to the minimum distance in all the distances.
Optionally, in each cluster of components, iteratively searching a neighborhood of each photovoltaic component to obtain a plurality of connected region sequences, including:
and in each cluster of assemblies, iteratively searching the neighborhood of each photovoltaic assembly to obtain a plurality of group strings, and acquiring a plurality of connected region sequences within a preset group string range.
Optionally, in each cluster of modules, iteratively searching a neighborhood of each photovoltaic module to obtain a plurality of group strings, and obtaining a plurality of connected region sequences within a preset group string range, including:
step S1, selecting one photovoltaic module as a current center in each cluster of modules;
step S2, determining a photovoltaic module corresponding to the current neighborhood of the current center;
step S3, determining the photovoltaic module corresponding to the next neighborhood of the next center by taking the photovoltaic module corresponding to the current neighborhood as the next center until the number of the photovoltaic modules meets the preset string combination range to obtain the string combination;
and S4, selecting one photovoltaic module from the rest photovoltaic modules as a current center, and returning to execute the step S2 and the step S3 until all the photovoltaic modules in each cluster are traversed to obtain a plurality of group strings and a plurality of connected region sequences in the preset group string range.
Optionally, the determining the photovoltaic module corresponding to the current neighborhood of the current center includes:
and determining the photovoltaic components corresponding to the current two-neighborhood, four-neighborhood or eight-neighborhood of the current center.
Optionally, the dividing the photovoltaic modules into multiple clusters of modules according to the parameters of the inverter includes:
and dividing the photovoltaic modules into a plurality of clusters of modules according to the number of the inverters by taking the center of the photovoltaic module square matrix as a circle center and a circle with a preset distance as a radius as a boundary.
Optionally, assigning each cluster of components to a respective said inverter comprises:
and distributing the assemblies in each cluster to the corresponding inverters according to the power adaptation ranges of the inverters.
Optionally, calculating the distance between the start point and the end point in each of the connected region sequences and the corresponding inverter comprises:
determining a first central coordinate of a photovoltaic module of a starting point and a second central coordinate of a photovoltaic module of an end point in each connected region sequence;
calculating the distance between the first center coordinate and the second center coordinate and the inverter.
According to another aspect of the present invention, there is provided a photovoltaic module string arrangement determining apparatus including:
the component distribution module is used for dividing the photovoltaic components into a plurality of clusters of components according to the parameters of the inverters and distributing each cluster of components to the corresponding inverter;
the connected region sequence determining module is used for iteratively searching the neighborhood of each photovoltaic module in each cluster of modules to obtain a plurality of connected region sequences;
and the serial line arrangement mode determining module is used for calculating the distances between the starting point and the end point in each connected region sequence and the corresponding inverter, and determining the serial line arrangement mode of each cluster of components and the inverters according to the connected region sequence corresponding to the minimum distance in all the distances.
According to another aspect of the present invention, there is provided an electronic apparatus including:
at least one processor; and
a memory communicatively coupled to the at least one processor; wherein,
the memory stores a computer program executable by the at least one processor, and the computer program is executed by the at least one processor to enable the at least one processor to execute the method for determining the string arrangement of photovoltaic modules according to any embodiment of the present invention.
According to another aspect of the present invention, there is provided a computer-readable storage medium storing computer instructions for causing a processor to implement the method for determining the string arrangement of photovoltaic modules according to any one of the embodiments of the present invention when the computer instructions are executed.
According to the technical scheme of the embodiment of the invention, the photovoltaic modules are divided into the multiple clusters of modules according to the parameters of the inverters, and each cluster of module is distributed to the corresponding inverter, so that the coarse-grained module resource distribution of the inverters is realized. In each cluster of assemblies, the neighborhood of each photovoltaic assembly is searched iteratively, a plurality of strings can be obtained, and the string division of each cluster of assemblies is realized. When the neighborhood of the photovoltaic module is searched in an iterative mode, the horizontal search and the longitudinal search can be carried out, and the second neighborhood, the fourth neighborhood or the eighth neighborhood of the photovoltaic module can be searched, so that each cluster of modules can have a plurality of group string dividing modes; each division mode can obtain a connected region sequence, and one connected region sequence represents a group string line arrangement mode, so that a plurality of connected region sequences can be obtained, and fine-grained component resource division is performed on each inverter. Each connected region sequence is provided with a plurality of group strings, and in each connected region sequence, the first distance from the photovoltaic module at the starting point of all the group strings to the corresponding inverter is added with the second distance from the photovoltaic module at the end point to the corresponding inverter, so that the distances from the photovoltaic module at the starting point and the photovoltaic module at the end point in each connected region sequence to the corresponding inverter can be obtained. And comparing all the distances, taking the sequence of the communication region corresponding to the minimum distance in all the distances as an optimal sequence, and determining the serial line arrangement mode of the photovoltaic modules according to the optimal sequence, so that better serial line arrangement can be realized. The method is beneficial to reducing the length of the cable, reducing the connection time of the serial wires and reducing the serial wire cost. The technical scheme of the embodiment of the invention solves the problems that the time consumption and the labor consumption are high and the final serial line arrangement is not optimal because the serial line arrangement is carried out in an odd-shaped matrix in the component arrangement. The effect of realizing better serial wire arrangement is achieved, the reduction of the length of a cable is facilitated, the serial wire connection time is reduced, and the serial wire cost is reduced.
It should be understood that the statements in this section do not necessarily identify key or critical features of the embodiments of the present invention, nor do they necessarily limit the scope of the invention. Other features of the present invention will become apparent from the following description.
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In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a flowchart of a method for determining a string arrangement of photovoltaic modules according to an embodiment of the present invention;
fig. 2 is a flowchart of another method for determining a string arrangement of photovoltaic modules according to an embodiment of the present invention;
fig. 3 is a flowchart of another method for determining a string arrangement of photovoltaic modules according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of an eight neighborhood of any center of a component according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a photovoltaic module serial line arrangement determining apparatus according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Fig. 1 is a flowchart of a method for determining a serial line arrangement of a photovoltaic module according to an embodiment of the present invention, where the embodiment is applicable to a case where a serial line arrangement manner of a photovoltaic module is determined, and the method can be executed by a device for determining a serial line arrangement of a photovoltaic module. As shown in fig. 1, the method includes:
and S110, dividing the photovoltaic assemblies into multiple clusters of assemblies according to the parameters of the inverters, and distributing each cluster of assemblies to the corresponding inverter.
Specifically, all photovoltaic modules are scanned globally, the photovoltaic modules are divided according to parameters of the inverter, and the photovoltaic modules are divided into multiple clusters of modules. For example, the photovoltaic modules are divided according to the number of the inverters, so that the number of clusters of the photovoltaic modules is the same as the number of the inverters, and each cluster of the photovoltaic modules is conveniently distributed to the corresponding inverter. When each cluster of components is allocated to the corresponding inverter, the components may be allocated according to parameters of the inverter and types of the photovoltaic components, for example, according to a power adaptation range of the inverter and power of each cluster of components, so that each cluster of components and the corresponding inverter may be adapted to implement coarse-grained component resource allocation for the inverter.
Illustratively, the number of inverters is p, p is a positive integer greater than or equal to 1, and p inverters are [ W1, W2, … … Wp ]. And dividing the photovoltaic modules according to the parameters of the inverter to obtain p-cluster modules, wherein the p-cluster modules are N1, N2 and … … Np. After each cluster of components is allocated to a corresponding inverter, the allocation result is, for example, { [ W1, N1], [ W2, N2], … … [ Wp, Np ] }.
And S120, iteratively searching the neighborhood of each photovoltaic module in each cluster of modules to obtain a plurality of connected region sequences.
Specifically, in each cluster of components, a neighborhood of each photovoltaic component is iteratively searched, a plurality of strings can be obtained, and string division of each cluster of components is realized. When the neighborhood of the photovoltaic module is searched in an iterative mode, the neighborhood can be searched horizontally or longitudinally, and the second neighborhood, the fourth neighborhood or the eighth neighborhood of the photovoltaic module can be searched, so that each cluster of modules can have multiple string dividing modes, each dividing mode can obtain a connected region sequence, and one connected region sequence represents a string line arrangement mode. Therefore, after iterative search, a plurality of connected region sequences can be obtained, and fine-grained component resource division is performed on each inverter.
Illustratively, in each cluster of components { [ W1, N1], [ W2, N2], … … [ Wp, Np ] }, a neighborhood of each photovoltaic component is iteratively searched, and a plurality of connected region sequences { [ Nx1, Nx2, … …, Nxs ]1, … …, [ Nx1, Nx2, … …, Nxs ] p } can be obtained. Wherein s represents the number of the sequences of the connected regions, s is a positive integer greater than or equal to 1, Nx1 represents the first sequence of the connected regions in each cluster module, Nx2 represents the second sequence of the connected regions in each cluster module, and … … and Nxs represent the s-th sequence of the connected regions in each cluster module.
S130, calculating the distance between the starting point and the end point in each connected region sequence and the corresponding inverter, and determining the serial line arrangement mode of each cluster of components and the inverters according to the connected region sequence corresponding to the minimum distance in all the distances.
Specifically, each connected region sequence has a plurality of group strings, and in each connected region sequence, the distances between the photovoltaic module at the start point and the photovoltaic module at the end point and the corresponding inverter can be obtained by adding a first distance from the photovoltaic module at the start point to the corresponding inverter and a second distance from the photovoltaic module at the end point to the corresponding inverter. And comparing all the distances, and taking the sequence of the connected region corresponding to the minimum distance in all the distances as an optimal sequence. The string arrangement mode of the photovoltaic modules is determined according to the optimal sequence, so that better string arrangement can be realized, the length of a cable is favorably reduced, the series connection time of the photovoltaic modules is shortened, and the string cost is reduced.
According to the technical scheme of the embodiment, the photovoltaic modules are divided into the multiple clusters of modules according to the parameters of the inverters, each cluster of module is allocated to the corresponding inverter, the coarse-grained module resource allocation of the inverters is achieved, the neighborhood of each photovoltaic module is searched in each cluster of module in an iterative mode, a plurality of strings can be obtained, and the string division of each cluster of module is achieved. When the neighborhood of the photovoltaic module is searched in an iterative mode, the horizontal search and the longitudinal search can be carried out, and the second neighborhood, the fourth neighborhood or the eighth neighborhood of the photovoltaic module can be searched, so that each cluster of modules can have a plurality of group string dividing modes; each division mode can obtain a connected region sequence, and one connected region sequence represents a group string line arrangement mode, so that a plurality of connected region sequences can be obtained, and fine-grained component resource division is performed on each inverter. Each connected region sequence is provided with a plurality of group strings, and in each connected region sequence, the first distance from the photovoltaic module at the starting point of all the group strings to the corresponding inverter is added with the second distance from the photovoltaic module at the end point to the corresponding inverter, so that the distances from the photovoltaic module at the starting point and the photovoltaic module at the end point in each connected region sequence to the corresponding inverter can be obtained. And comparing all the distances, taking the sequence of the communication region corresponding to the minimum distance in all the distances as an optimal sequence, and determining the serial line arrangement mode of the photovoltaic modules according to the optimal sequence, so that better serial line arrangement can be realized. The method is beneficial to reducing the length of the cable, reducing the connection time of the serial wires and reducing the serial wire cost. The technical scheme of this embodiment has solved and has carried out the series connection with the square matrix of odd-shaped strange form in the subassembly arranges, leads to the series connection to arrange can consume time more, and consume many manpowers, and the final series connection is arranged and is not the optimal problem. The effect of realizing better serial wire arrangement is achieved, the reduction of the length of a cable is facilitated, the serial wire connection time is reduced, and the serial wire cost is reduced.
Fig. 2 is a flowchart of another method for determining a string arrangement of a photovoltaic module according to an embodiment of the present invention, and optionally, referring to fig. 2, the method for determining a string arrangement of a photovoltaic module includes:
and S210, dividing the photovoltaic modules into a plurality of clusters of modules according to the number of the inverters by taking the center of the photovoltaic module square matrix as a circle center and a circle with a preset distance as a radius as a boundary, and allocating each cluster of modules to a corresponding inverter.
Specifically, the photovoltaic modules are divided by using a circle with the center of a photovoltaic module square matrix as a circle center and a preset distance as a radius as a boundary. The preset distance can be determined according to actual conditions, and flexible change can be performed according to the number of the inverters, so that the obtained number of clusters of the photovoltaic modules is the same as the number of the inverters, and each cluster of the photovoltaic modules is conveniently distributed to the corresponding inverter.
In addition, the photovoltaic modules are divided by taking the center of the photovoltaic module square matrix as the center of a circle and a circle with a preset distance as the radius as a boundary, so that the distance between the photovoltaic modules in each cluster of modules is small, and the photovoltaic modules are convenient to connect; and the photovoltaic module is convenient to be connected with the corresponding inverter, the length of an electric terminal connecting line in the serial line arrangement is further reduced, and the cost of the cable is reduced.
Optionally, assigning each cluster of components to a respective inverter comprises:
each cluster of components is assigned to a respective inverter according to the power adaptation range of the inverter.
In particular, when each cluster of components is assigned to a respective inverter, the assignment may be made according to the parameters of the inverter and the type of photovoltaic component. For example, the distribution is carried out according to the power adaptation range of the inverter and the power of each cluster of assemblies, so that each cluster of assemblies can be adapted to the corresponding inverter, and the normal work of the inverter is facilitated.
S220, in each cluster of assemblies, iteratively searching the neighborhood of each photovoltaic assembly to obtain a plurality of group strings, and obtaining a plurality of connected region sequences within a preset group string range.
The preset string range is the number of photovoltaic modules in the string which can be connected with each inverter, the value of the preset string range can be determined according to parameters such as the capacity of the inverters, and the preset string range of each inverter can be different.
Specifically, in each cluster of assemblies, the neighborhood of each photovoltaic assembly is searched iteratively until the number of the photovoltaic assemblies meets the preset string range, and a string is obtained. And then iteratively searching the neighborhoods of the rest photovoltaic modules until the number of the photovoltaic modules meets the preset string range, obtaining a string group again, and repeating the steps until all the photovoltaic modules in each cluster of modules are traversed, and obtaining a plurality of string groups. The iterative search mode of each cluster of components can be various, and the string connection mode can be various, so that each cluster of components can obtain a plurality of connected region sequences within a preset string range.
And S230, calculating the distances between the starting point and the end point in each connected region sequence and the corresponding inverter, and determining the serial line arrangement mode of each cluster of components and the inverters according to the connected region sequence corresponding to the minimum distance in all the distances.
Optionally, calculating the distances between the start point and the end point in each connected region sequence and the corresponding inverter comprises:
step a, determining a first central coordinate of the photovoltaic module of the starting point and a second central coordinate of the photovoltaic module of the end point in each connected region sequence.
Specifically, in each connected region sequence, a first center coordinate of the photovoltaic module at the starting point and a second center coordinate of the photovoltaic module at the ending point in each group string are determined. The establishment of the coordinate system may be determined according to actual conditions, for example, according to distribution conditions of the photovoltaic modules, and is not limited herein.
And b, calculating the distance between the first center coordinate and the inverter and the distance between the second center coordinate and the inverter.
Specifically, in each connected region sequence, the sum of the distances between the first center coordinates and the inverters and the distances between the second center coordinates and the inverters of all the group strings is calculated, and the distances between the photovoltaic module at the starting point and the photovoltaic module at the ending point in each connected region sequence and the corresponding inverter are obtained. All the distances are compared, the sequence of the communicated region corresponding to the minimum distance in all the distances is used as an optimal sequence, and the string arrangement mode of the photovoltaic modules is determined according to the optimal sequence, so that the optimal string arrangement can be realized, the length of the cable can be reduced, and the string cost can be reduced.
According to the technical scheme of the embodiment, the photovoltaic modules are divided by taking the center of the photovoltaic module square matrix as the center of a circle and a circle with a preset distance as a radius as a boundary, so that the number of clusters of the obtained photovoltaic modules is the same as that of the inverters, and each cluster of the photovoltaic modules is conveniently distributed to the corresponding inverter; moreover, the distance between the photovoltaic modules in each cluster of modules is small, the photovoltaic modules are convenient to connect with the corresponding inverters, the length of the electric terminal connecting line in the serial line arrangement is further reduced, and the cost of the cable is reduced. In each cluster of assemblies, a neighborhood of each photovoltaic assembly is searched iteratively to obtain a plurality of group strings, the iterative search mode of each cluster of assemblies can be various, and the group string connection mode can be various, so that each cluster of assemblies can obtain a plurality of communicated region sequences in a preset group string range. And calculating the distances between the photovoltaic module at the starting point and the photovoltaic module at the end point in each connected region sequence and the corresponding inverter, and comparing all the distances to determine the optimal connected region sequence so as to determine the optimal serial line arrangement mode of the photovoltaic modules.
Fig. 3 is a flowchart of another method for determining a string arrangement of a photovoltaic module according to an embodiment of the present invention, optionally, with reference to fig. 3, the method for determining a string arrangement of a photovoltaic module includes:
and S310, dividing the photovoltaic modules into a plurality of clusters of modules according to the number of the inverters by taking the center of the photovoltaic module square matrix as a circle center and a circle with a preset distance as a radius as a boundary, and allocating each cluster of modules to a corresponding inverter.
And S320, selecting one photovoltaic module as the current center in each cluster of modules.
Specifically, in each cluster of components, one photovoltaic component may be selected as a current center, for example, centers of all the components may be selected as the current center, or centers of some parts of all the photovoltaic components may be selected as the current center, and the specific selection may be determined according to an actual situation, which is not limited in this embodiment.
S330, determining the photovoltaic module corresponding to the current neighborhood of the current center.
Specifically, the current neighborhood of the current center is searched and determined, and the photovoltaic module corresponding to the current neighborhood can be determined, so that the photovoltaic module closer to the current center can be found. By searching the neighborhood, the distance between the photovoltaic modules in the formed group string is close, so that the reduction of the length of the cable arranged in a string line is facilitated.
Optionally, determining the photovoltaic module corresponding to the current neighborhood of the current center includes:
and determining the photovoltaic modules corresponding to the current two-neighborhood, four-neighborhood or eight-neighborhood of the current center.
Specifically, the current neighborhood of the current center is determined by searching, for example, a current second neighborhood, a current four neighborhood, or a current eight neighborhood of the current center is searched, fig. 4 is a schematic structural diagram of an eight neighborhood of any assembly center provided in the embodiment of the present invention, as shown in fig. 4, the eight neighborhoods of the current center a0 are a1, a2, A3, a4, a5, a6, a7, and A8, and eight photovoltaic assemblies closer to the current center can be obtained by searching the eight neighborhoods of the current center. For example, when the number of photovoltaic modules is small, for example, two neighborhoods or four neighborhoods of the current center may be searched to determine the group string; when the number of the photovoltaic modules is large, for example, eight neighborhoods of the current center may be searched, and the determination may be specifically performed according to an actual situation, which is not limited herein.
S340, taking the photovoltaic module corresponding to the current neighborhood as a next center, and determining the photovoltaic module corresponding to the next neighborhood of the next center until the number of the photovoltaic modules meets a preset string range to obtain a string.
Specifically, the photovoltaic modules corresponding to the current neighborhood are used as the next center, neighborhood searching is continued, the photovoltaic modules corresponding to the next neighborhood of the next center are determined, and a string is obtained by continuously performing neighborhood searching until the number of the photovoltaic modules meets a preset string range.
And S350, judging whether all the photovoltaic modules in each cluster of modules are traversed, if so, executing the step S360, and if not, executing the step S370.
Specifically, if all the photovoltaic modules in the cluster of modules have been traversed, a plurality of group strings may be obtained, and a plurality of connected region sequences of a preset group string range is obtained, and if there are photovoltaic modules in the cluster of modules that have not been traversed, the neighborhood search needs to be continued until all the photovoltaic modules are traversed.
And S360, obtaining a plurality of group strings and obtaining a plurality of connected region sequences in a preset group string range.
And S370, selecting one photovoltaic module from the rest photovoltaic modules as a current center, and returning to execute the step S330.
Specifically, one photovoltaic module is selected as the current center from the remaining photovoltaic modules, for example, a photovoltaic module located in the middle of the remaining photovoltaic modules may be selected, and other photovoltaic modules in the remaining photovoltaic modules may also be selected as the current center, so as to continue the neighborhood search until all the photovoltaic modules are traversed.
And S380, calculating the distances between the starting point and the end point in each connected region sequence and the corresponding inverter, and determining the serial line arrangement mode of each cluster of components and the inverters according to the connected region sequence corresponding to the minimum distance in all the distances.
According to the technical scheme of the embodiment, one photovoltaic module is selected as a current center in each cluster of modules, the photovoltaic modules corresponding to the current neighborhood of the current center are determined, and the photovoltaic modules corresponding to the current neighborhood are determined, so that the photovoltaic modules closer to the current center can be found; by searching the neighborhood, the distance of the photovoltaic components in the formed group string is close, and the reduction of the length of the cable arranged in a string line is facilitated; determining the photovoltaic modules corresponding to the next neighborhood of the next center by taking the photovoltaic modules corresponding to the current neighborhood as the next center until the number of the photovoltaic modules meets the preset string range, and obtaining a string; and selecting one photovoltaic module from the rest photovoltaic modules as a current center, and continuing to perform iterative search until all the photovoltaic modules are traversed to obtain a plurality of group strings and a plurality of connected region sequences in a preset group string range.
Fig. 5 is a schematic structural diagram of a photovoltaic module serial line arrangement determining apparatus according to an embodiment of the present invention. As shown in fig. 5, the apparatus includes:
the component distribution module 510 is configured to divide the photovoltaic components into multiple clusters of components according to parameters of the inverters, and distribute each cluster of components to a corresponding inverter;
a connected region sequence determining module 520, configured to iteratively search a neighborhood of each photovoltaic module in each cluster of modules to obtain a plurality of connected region sequences;
a serial line arrangement mode determining module 530, configured to calculate distances between a start point and an end point in each connected region sequence and a corresponding inverter, and determine a serial line arrangement mode between each cluster of components and the inverters according to the connected region sequence corresponding to the minimum distance in all distances.
Optionally, the component assignment module 510 comprises: a component dividing unit and a component allocating unit; the assembly dividing unit is used for dividing the photovoltaic assemblies into a plurality of clusters of assemblies by taking the center of the photovoltaic assembly square matrix as a circle center and a circle with a preset distance as a radius as a boundary according to the number of the inverters; the component distribution unit is used for distributing each cluster of components to the corresponding inverter according to the power adaptation range of the inverter.
Optionally, the connected region sequence determining module 520 is specifically configured to iteratively search a neighborhood of each photovoltaic module in each cluster of modules to obtain a plurality of group strings, and obtain a plurality of connected region sequences within a preset group string range.
Optionally, the serial line arrangement mode determining module 530 includes a coordinate determining unit, a distance calculating unit, and a serial line arrangement mode determining unit; the coordinate determination unit is used for determining a first central coordinate of the photovoltaic module at the starting point and a second central coordinate of the photovoltaic module at the end point in each connected region sequence; the distance calculation unit is used for calculating the distance between the first center coordinate and the inverter and the distance between the second center coordinate and the inverter; the serial line arrangement mode determining unit is used for determining the serial line arrangement mode of each cluster of components and the inverter according to the communication region sequence corresponding to the minimum distance in all the distances.
The photovoltaic module serial line arrangement determining device provided by the embodiment of the present invention can execute the photovoltaic module serial line arrangement determining method provided by any embodiment of the present invention, and has a functional module corresponding to the execution method and beneficial effects.
Fig. 6 is a schematic structural diagram of an electronic device according to an embodiment of the present invention, and referring to fig. 6, fig. 6 shows a schematic structural diagram of an electronic device 10 that can be used to implement an embodiment of the present invention. Electronic devices are intended to represent various forms of digital computers, such as laptops, desktops, workstations, personal digital assistants, servers, blade servers, mainframes, and other appropriate computers. The electronic device may also represent various forms of mobile devices, such as personal digital assistants, cellular phones, smart phones, wearable devices (e.g., helmets, glasses, watches, etc.), and other similar computing devices. The components shown herein, their connections and relationships, and their functions, are meant to be exemplary only, and are not meant to limit implementations of the inventions described and/or claimed herein.
As shown in fig. 6, the electronic device 10 includes at least one processor 11, and a memory communicatively connected to the at least one processor 11, such as a Read Only Memory (ROM)12, a Random Access Memory (RAM)13, and the like, wherein the memory stores a computer program executable by the at least one processor, and the processor 11 can perform various suitable actions and processes according to the computer program stored in the Read Only Memory (ROM)12 or the computer program loaded from a storage unit 18 into the Random Access Memory (RAM) 13. In the RAM 13, various programs and data necessary for the operation of the electronic apparatus 10 can also be stored. The processor 11, the ROM 12, and the RAM 13 are connected to each other via a bus 14. An input/output (I/O) interface 15 is also connected to bus 14.
A number of components in the electronic device 10 are connected to the I/O interface 15, including: an input unit 16 such as a keyboard, a mouse, or the like; an output unit 17 such as various types of displays, speakers, and the like; a storage unit 18 such as a magnetic disk, an optical disk, or the like; and a communication unit 19 such as a network card, modem, wireless communication transceiver, etc. The communication unit 19 allows the electronic device 10 to exchange information/data with other devices via a computer network such as the internet and/or various telecommunication networks.
The processor 11 may be a variety of general and/or special purpose processing components having processing and computing capabilities. Some examples of processor 11 include, but are not limited to, a Central Processing Unit (CPU), a Graphics Processing Unit (GPU), various specialized Artificial Intelligence (AI) computing chips, various processors running machine learning model algorithms, a Digital Signal Processor (DSP), and any suitable processor, controller, microcontroller, or the like. The processor 11 performs the various methods and processes described above, such as the photovoltaic module string placement determination method.
In some embodiments, the photovoltaic module string arrangement determination method may be implemented as a computer program tangibly embodied in a computer-readable storage medium, such as storage unit 18. In some embodiments, part or all of the computer program may be loaded and/or installed onto the electronic device 10 via the ROM 12 and/or the communication unit 19. When the computer program is loaded into RAM 13 and executed by processor 11, one or more steps of the photovoltaic module string arrangement determination method described above may be performed. Alternatively, in other embodiments, the processor 11 may be configured to perform the photovoltaic module string arrangement determination method by any other suitable means (e.g., by means of firmware).
Various implementations of the systems and techniques described here above may be implemented in digital electronic circuitry, integrated circuitry, Field Programmable Gate Arrays (FPGAs), Application Specific Integrated Circuits (ASICs), Application Specific Standard Products (ASSPs), system on a chip (SOCs), load programmable logic devices (CPLDs), computer hardware, firmware, software, and/or combinations thereof. These various embodiments may include: implemented in one or more computer programs that are executable and/or interpretable on a programmable system including at least one programmable processor, which may be special or general purpose, receiving data and instructions from, and transmitting data and instructions to, a storage system, at least one input device, and at least one output device.
A computer program for implementing the methods of the present invention may be written in any combination of one or more programming languages. These computer programs may be provided to a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus, such that the computer programs, when executed by the processor, cause the functions/acts specified in the flowchart and/or block diagram block or blocks to be performed. A computer program can execute entirely on a machine, partly on the machine, as a stand-alone software package, partly on the machine and partly on a remote machine or entirely on the remote machine or server.
In the context of the present invention, a computer-readable storage medium may be a tangible medium that can contain, or store a computer program for use by or in connection with an instruction execution system, apparatus, or device. A computer readable storage medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. Alternatively, the computer readable storage medium may be a machine readable signal medium. More specific examples of a machine-readable storage medium would include an electrical connection based on one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
To provide for interaction with a user, the systems and techniques described here can be implemented on an electronic device having: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to a user; and a keyboard and a pointing device (e.g., a mouse or a trackball) by which a user can provide input to the electronic device. Other kinds of devices may also be used to provide for interaction with a user; for example, feedback provided to the user can be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user may be received in any form, including acoustic, speech, or tactile input.
The systems and techniques described here can be implemented in a computing system that includes a back-end component (e.g., as a data server), or that includes a middleware component (e.g., an application server), or that includes a front-end component (e.g., a user computer having a graphical user interface or a web browser through which a user can interact with an implementation of the systems and techniques described here), or any combination of such back-end, middleware, or front-end components. The components of the system can be interconnected by any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include: local Area Networks (LANs), Wide Area Networks (WANs), blockchain networks, and the internet.
The computing system may include clients and servers. A client and server are generally remote from each other and typically interact through a communication network. The relationship of client and server arises by virtue of computer programs running on the respective computers and having a client-server relationship to each other. The server can be a cloud server, also called a cloud computing server or a cloud host, and is a host product in a cloud computing service system, so that the defects of high management difficulty and weak service expansibility in the traditional physical host and VPS service are overcome.
It should be understood that various forms of the flows shown above may be used, with steps reordered, added, or deleted. For example, the steps described in the present invention may be executed in parallel, sequentially, or in different orders, and are not limited herein as long as the desired results of the technical solution of the present invention can be achieved.
The above-described embodiments should not be construed as limiting the scope of the invention. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions may be made in accordance with design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A method for determining the serial line arrangement of photovoltaic modules is characterized by comprising the following steps:
according to the parameters of the inverters, dividing the photovoltaic modules into a plurality of clusters of modules, and distributing each cluster of modules to a corresponding inverter;
in each cluster of assemblies, iteratively searching the neighborhood of each photovoltaic assembly to obtain a plurality of connected region sequences;
and calculating the distance between the starting point and the end point in each connected region sequence and the corresponding inverter, and determining the serial line arrangement mode of each cluster of components and the inverters according to the connected region sequence corresponding to the minimum distance in all the distances.
2. The method for determining the serial line arrangement of the photovoltaic modules according to claim 1, wherein in each cluster of the modules, iteratively searching a neighborhood of each photovoltaic module to obtain a plurality of connected region sequences comprises:
and in each cluster of assemblies, iteratively searching the neighborhood of each photovoltaic assembly to obtain a plurality of group strings, and acquiring a plurality of connected region sequences within a preset group string range.
3. The method for determining the string line arrangement of the photovoltaic modules according to claim 2, wherein in each cluster of modules, iteratively searching a neighborhood of each photovoltaic module to obtain a plurality of string groups and obtaining a plurality of connected region sequences within a preset string group range includes:
step S1, selecting one photovoltaic module as a current center in each cluster of modules;
step S2, determining a photovoltaic module corresponding to the current neighborhood of the current center;
step S3, determining the photovoltaic module corresponding to the next neighborhood of the next center by taking the photovoltaic module corresponding to the current neighborhood as the next center until the number of the photovoltaic modules meets the preset string combination range to obtain the string combination;
and S4, selecting one photovoltaic module from the rest photovoltaic modules as a current center, and returning to execute the step S2 and the step S3 until all the photovoltaic modules in each cluster of modules are traversed to obtain a plurality of group strings and a plurality of connected region sequences in the preset group string range.
4. The method for determining the serial line arrangement of the photovoltaic modules according to claim 3, wherein the determining the photovoltaic modules corresponding to the current neighborhood of the current center comprises:
and determining the photovoltaic components corresponding to the current two-neighborhood, four-neighborhood or eight-neighborhood of the current center.
5. The method for determining the serial line arrangement of the photovoltaic modules according to claim 1, wherein the step of dividing the photovoltaic modules into the plurality of clusters of modules according to the parameters of the inverter comprises the steps of:
and dividing the photovoltaic modules into a plurality of clusters of modules according to the number of the inverters by taking the center of the photovoltaic module square matrix as a circle center and a circle with a preset distance as a radius as a boundary.
6. The photovoltaic module string arrangement determining method according to claim 1, wherein assigning each cluster of modules to a respective inverter comprises:
and distributing the assemblies in each cluster to the corresponding inverters according to the power adaptation ranges of the inverters.
7. The method for determining the serial line arrangement of the photovoltaic modules according to claim 1, wherein calculating the distance between the starting point and the end point in each sequence of the connected regions and the corresponding inverter comprises:
determining a first central coordinate of a photovoltaic module of a starting point and a second central coordinate of a photovoltaic module of an end point in each connected region sequence;
calculating the distance between the first center coordinate and the second center coordinate and the inverter.
8. A photovoltaic module serial line arrangement determining device is characterized by comprising:
the component distribution module is used for dividing the photovoltaic components into a plurality of clusters of components according to the parameters of the inverters and distributing each cluster of components to the corresponding inverter;
the connected region sequence determining module is used for iteratively searching the neighborhood of each photovoltaic module in each cluster of modules to obtain a plurality of connected region sequences;
and the serial line arrangement mode determining module is used for calculating the distances between the starting point and the end point in each connected region sequence and the corresponding inverter, and determining the serial line arrangement mode of each cluster of components and the inverters according to the connected region sequence corresponding to the minimum distance in all the distances.
9. An electronic device, characterized in that the electronic device comprises:
at least one processor; and
a memory communicatively coupled to the at least one processor; wherein,
the memory stores a computer program executable by the at least one processor, the computer program being executable by the at least one processor to enable the at least one processor to perform the photovoltaic module string arrangement determination method of any one of claims 1-7.
10. A computer-readable storage medium storing computer instructions for causing a processor to implement the method for determining a string arrangement of photovoltaic modules according to any one of claims 1 to 7 when the computer instructions are executed.
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