CN-115795841-B - Photovoltaic array region optimization method, device and system

CN115795841BCN 115795841 BCN115795841 BCN 115795841BCN-115795841-B

Abstract

The invention discloses a photovoltaic array region optimization method, device and system, wherein the method comprises the steps of obtaining a photovoltaic array set in a target region and determining an adjacent relation diagram corresponding to the photovoltaic array set; acquiring an original photovoltaic array region set in the target region, and determining an isolated photovoltaic array region based on the adjacency graph and the original photovoltaic array region set; and determining a target photovoltaic array region set according to the isolated photovoltaic array region, the adjacent relation diagram and the original photovoltaic array region set. The method and the device determine the isolated photovoltaic array region based on the adjacent relation diagram and the original photovoltaic array region set, optimize the original photovoltaic array region set based on the isolated photovoltaic array region and the adjacent relation diagram, and determine the target photovoltaic array region set, so that no isolated region exists in the photovoltaic array region set in the target photovoltaic array region set.

Inventors

LIU HONGBO

Assignees

阳光新能源开发股份有限公司

Dates

Publication Date: 20260512
Application Date: 20221121

Claims (11)

1. The photovoltaic array region optimization method is characterized by comprising the following steps of: acquiring a photovoltaic array set in a target area, and determining an adjacent relation diagram corresponding to the photovoltaic array set; acquiring an original photovoltaic array region set in the target region, and determining an isolated photovoltaic array region based on the adjacency graph and the original photovoltaic array region set; Determining a target photovoltaic array region set according to the isolated photovoltaic array region, the adjacent relation diagram and the original photovoltaic array region set; The step of determining a target photovoltaic array region set according to the isolated photovoltaic array region, the adjacency graph and the original photovoltaic array region set comprises the following steps: determining an isolated photovoltaic array corresponding to the isolated photovoltaic array region according to the adjacency relation graph, and merging the isolated photovoltaic array with an original photovoltaic array region adjacent to the isolated photovoltaic array region to obtain a non-isolated photovoltaic array region set; And transferring the photovoltaic arrays according to the non-isolated photovoltaic array region set, the adjacent relation diagram and the original photovoltaic array region set, and determining a target photovoltaic array region set, wherein the number of the photovoltaic arrays contained in each target photovoltaic array region in the target photovoltaic array region set is consistent with the number of the photovoltaic arrays contained in the corresponding original photovoltaic array region in the original photovoltaic array region set.
2. The photovoltaic array region optimization method according to claim 1, wherein the step of determining the adjacency graph corresponding to the photovoltaic array set includes: acquiring coordinate values, length values and width values corresponding to each array in the photovoltaic array set; Determining a photovoltaic array adjacent relation corresponding to the photovoltaic array set according to the coordinate value, the width value, the length value and a preset threshold value; And constructing an adjacency relation diagram corresponding to the photovoltaic array set based on the photovoltaic array adjacency relation.
3. The method of claim 2, wherein the step of determining the photovoltaic array adjacency relation corresponding to the photovoltaic array set according to the coordinate value, the width value, the length value and a preset threshold value comprises: determining a photovoltaic array row set in the photovoltaic array set according to the coordinate value and the width value, and calculating an average distance corresponding to the photovoltaic array row set; And determining a photovoltaic array adjacent relation corresponding to the photovoltaic array set according to the coordinate value, the length value, a preset threshold value, the photovoltaic array row set and the average distance.
4. The photovoltaic array region optimization method according to claim 2, wherein the step of constructing the adjacency graph corresponding to the photovoltaic array set based on the photovoltaic array adjacency relationship comprises: based on the adjacent relation of the photovoltaic arrays, communicating the adjacent photovoltaic arrays in the photovoltaic array set to obtain a photovoltaic array communication diagram; Detecting whether an unconnected region exists in the photovoltaic array connected graph; if the adjacent relation diagram does not exist, determining an adjacent relation diagram corresponding to the photovoltaic array set based on the photovoltaic array connected diagram; and if so, communicating the non-communicated areas based on a preset communication rule to obtain an adjacent relation diagram corresponding to the photovoltaic array set.
5. The photovoltaic array region optimization method of claim 1, wherein the step of determining an isolated photovoltaic array region based on the adjacency graph and the original set of photovoltaic array regions comprises: sequentially selecting an original photovoltaic array region from the original photovoltaic array region set, and randomly selecting a photovoltaic array from the selected original photovoltaic array region; Judging whether the selected photovoltaic array can access all photovoltaic arrays in the original photovoltaic array area based on the adjacent relation diagram; If yes, determining that the selected original photovoltaic array area is not an isolated photovoltaic array area; if not, determining the selected original photovoltaic array area as an isolated photovoltaic array area.
6. The photovoltaic array region optimization method of claim 1, wherein the step of merging the isolated photovoltaic array with the original photovoltaic array region adjacent to the isolated photovoltaic array region comprises: determining the number of original photovoltaic array areas adjacent to the isolated photovoltaic array area according to the adjacent relation diagram; if only one original photovoltaic array region adjacent to the isolated photovoltaic array region exists, merging the isolated photovoltaic array with the original photovoltaic array region adjacent to the isolated photovoltaic array region; and if a plurality of original photovoltaic array areas adjacent to the isolated photovoltaic array area exist, merging the isolated photovoltaic array with the original photovoltaic array area adjacent to the isolated photovoltaic array area with the minimum distance.
7. The photovoltaic array region optimization method of claim 1, wherein the step of determining a set of target photovoltaic array regions from the set of non-isolated photovoltaic array regions, the adjacency graph, and the set of original photovoltaic array regions comprises: Determining a first number of photovoltaic arrays in each non-isolated photovoltaic array region of the set of non-isolated photovoltaic array regions and determining a second number of photovoltaic arrays in each original photovoltaic array region of the set of original photovoltaic array regions; Determining the number of third photovoltaic arrays to be transferred for each non-isolated photovoltaic array region in the non-isolated photovoltaic array region set according to the number of first photovoltaic arrays and the number of second photovoltaic arrays; And optimizing the non-isolated photovoltaic array region set according to the third photovoltaic array quantity and the adjacent relation diagram to obtain a target photovoltaic array region set.
8. The photovoltaic array region optimization method according to claim 7, wherein the step of optimizing the non-isolated photovoltaic array region set according to the third photovoltaic array number and the adjacency graph to obtain a target photovoltaic array region set comprises: determining the number of the corresponding transfer photovoltaic arrays and the transfer paths among the non-isolated photovoltaic array areas in the non-isolated photovoltaic array area set according to a preset planning rule, the number of the third photovoltaic arrays and the adjacent relation diagram; And optimizing the non-isolated photovoltaic array region set according to the number of the transferred photovoltaic arrays and the transfer paths to obtain a target photovoltaic array region set.
9. The photovoltaic array region optimization method according to claim 8, wherein the step of optimizing the non-isolated photovoltaic array region set according to the number of transferred photovoltaic arrays and the transfer path to obtain a target photovoltaic array region set comprises: determining a shift-out photovoltaic array region and a shift-in photovoltaic array region in the non-isolated photovoltaic array region set according to the number of the transferred photovoltaic arrays and the transfer paths; and determining a photovoltaic array to be moved out in the moved-out photovoltaic array area according to a preset moving-out condition and the number of the transferred photovoltaic arrays, and transferring the photovoltaic array to be moved out to the moved-in photovoltaic array area based on the transfer path so as to obtain a target photovoltaic array area set.
10. A photovoltaic array region optimization apparatus, characterized in that the photovoltaic array region optimization apparatus comprises: the acquisition module is used for acquiring a photovoltaic array set in a target area and determining an adjacent relation diagram corresponding to the photovoltaic array set; The first determining module is used for obtaining an original photovoltaic array region set in the target region and determining an isolated photovoltaic array region based on the adjacent relation diagram and the original photovoltaic array region set; The second determining module is used for determining a target photovoltaic array region set according to the isolated photovoltaic array region, the adjacent relation diagram and the original photovoltaic array region set; The second determining module is further configured to: determining an isolated photovoltaic array corresponding to the isolated photovoltaic array region according to the adjacency relation graph, and merging the isolated photovoltaic array with an original photovoltaic array region adjacent to the isolated photovoltaic array region to obtain a non-isolated photovoltaic array region set; And transferring the photovoltaic arrays according to the non-isolated photovoltaic array region set, the adjacent relation diagram and the original photovoltaic array region set, and determining a target photovoltaic array region set, wherein the number of the photovoltaic arrays contained in each target photovoltaic array region in the target photovoltaic array region set is consistent with the number of the photovoltaic arrays contained in the corresponding original photovoltaic array region in the original photovoltaic array region set.
11. A photovoltaic array area optimization system comprising a memory, a processor, and a photovoltaic array area optimization program stored on the memory and executable on the processor, which when executed by the processor, implements the steps of the photovoltaic array area optimization method of any of claims 1 to 9.

Description

Photovoltaic array region optimization method, device and system Technical Field The invention relates to the technical field of photovoltaic science and technology, in particular to a photovoltaic array region optimization method, device and system. Background With the large-scale development of photovoltaic, the design of photovoltaic power stations is becoming finer and more automated, and computer-aided design is also becoming more and more applied in photovoltaic power station design. When dividing the photovoltaic array into areas by a computer, the photovoltaic array distribution in the divided areas is required to be continuous and jumping-free (no isolated area) in general, but the existing area dividing method comprises the steps of cutting the photovoltaic array into a plurality of blocks according to a certain rule, enabling the number of strings of each block to meet an integer number of areas, dividing each block into a required area according to the S-type from top to bottom or from bottom to top, and clustering according to the number of strings of the target area, combining the position distribution of the photovoltaic array, and obtaining the required divided areas by adopting a clustering method. The method can not ensure that the photovoltaic arrays of the divided areas are distributed continuously (isolated areas appear), and the problems of high construction difficulty, high construction cost and the like in specific construction can be caused. Therefore, how to ensure that the photovoltaic array is divided into areas without isolated areas is an urgent problem to be solved. Disclosure of Invention The invention mainly aims to provide a photovoltaic array region optimization method, device and system, which aim to solve the problem of ensuring that no isolated region exists when a photovoltaic array is subjected to region division. In order to achieve the above object, the present invention provides a photovoltaic array region optimization method, which includes the steps of: acquiring a photovoltaic array set in a target area, and determining an adjacent relation diagram corresponding to the photovoltaic array set; acquiring an original photovoltaic array region set in the target region, and determining an isolated photovoltaic array region based on the adjacency graph and the original photovoltaic array region set; And determining a target photovoltaic array region set according to the isolated photovoltaic array region, the adjacent relation diagram and the original photovoltaic array region set. Optionally, the step of determining the adjacency graph corresponding to the photovoltaic array set includes: acquiring coordinate values, length values and width values corresponding to each array in the photovoltaic array set; Determining a photovoltaic array adjacent relation corresponding to the photovoltaic array set according to the coordinate value, the width value, the length value and a preset threshold value; And constructing an adjacency relation diagram corresponding to the photovoltaic array set based on the photovoltaic array adjacency relation. Optionally, the step of determining the photovoltaic array neighboring relationship corresponding to the photovoltaic array set according to the coordinate value, the width value, the length value and the preset threshold value includes: determining a photovoltaic array row set in the photovoltaic array set according to the coordinate value and the width value, and calculating an average distance corresponding to the photovoltaic array row set; And determining a photovoltaic array adjacent relation corresponding to the photovoltaic array set according to the coordinate value, the length value, a preset threshold value, the photovoltaic array row set and the average distance. Optionally, the step of constructing the adjacency graph corresponding to the photovoltaic array set based on the photovoltaic array adjacency relationship includes: based on the adjacent relation of the photovoltaic arrays, communicating the adjacent photovoltaic arrays in the photovoltaic array set to obtain a photovoltaic array communication diagram; Detecting whether an unconnected region exists in the photovoltaic array connected graph; if the adjacent relation diagram does not exist, determining an adjacent relation diagram corresponding to the photovoltaic array set based on the photovoltaic array connected diagram; and if so, communicating the non-communicated areas based on a preset communication rule to obtain an adjacent relation diagram corresponding to the photovoltaic array set. Optionally, the step of determining an isolated photovoltaic array region based on the adjacency graph and the original set of photovoltaic array regions comprises: sequentially selecting an original photovoltaic array region from the original photovoltaic array region set, and randomly selecting a photovoltaic array from the selected original photovoltaic array region; Judgin