Generation method and device of electrical topological relation chart of power system and medium

Abstract

The invention relates to the technical field of power electronics, in particular to a method and device for generating an electrical topological relation chart of an electric power system and a storage medium, and the method comprises the steps: recognizing at least one information identification graph corresponding to each convergence device, the information identification graph comprises at least one cell, and the at least one cell is provided with the equipment identification of the power equipment and the electrical topology position information used for representing the corresponding power equipment; and generating an electrical topological relation chart of the power system based on the electrical topological position information and the equipment information of the power equipment connected with the convergence equipment. According to the technical scheme, the method for generating the electrical topological relation chart of the electric power system is easier to implement, intelligent operation and maintenance of the electric power system are facilitated, and the operation and maintenance work efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of power electronics, and particularly relates to a method and device for generating an electrical topology relationship diagram of a power system and a storage medium. BACKGROUND

[0002] With the development of power electronics technology, power devices are increasingly used in power systems. The power devices are connected to DC power sources to realize power optimization, monitoring, fast shutdown and other functions. The power devices mainly include micro inverters, shutdown devices, power optimizers, monitors and the like. The DC power sources can be photovoltaic DC power sources, fuel cells and energy storage batteries.

[0003] Generally, one or more DC power sources are configured with one power device, and multiple power devices are connected in parallel or in series to form a power device group and are connected to a bus device. The bus device can be an AC bus box, a DC bus box or a string inverter. For example, for a typical 100kW distributed photovoltaic system, there are 8 to 16 power device groups, 50 to 300 power devices and 200 to 300 photovoltaic components. When a power device or a DC power source is abnormal, in order to quickly locate the fault position and improve the troubleshooting efficiency, the electrical topology relationship diagram of the power system needs to be obtained, including which power device group each power device belongs to, the order in the power device group, and the bus device number and port number of the power device group. However, there is no simple and easy method to obtain the electrical topology relationship diagram of the power system. SUMMARY

[0004] Therefore, it is necessary to provide a method, device and storage medium for generating an electrical topology relationship diagram of a power system to quickly generate the electrical topology relationship diagram of the power system.

[0005] In a first aspect, a method for generating an electrical topology relationship diagram of a power system is provided. The power system includes a plurality of DC power sources, a plurality of power device groups and at least one bus device. Each power device group is connected to a corresponding bus device. Each power device group includes a plurality of power devices connected to at least one DC power source. The method includes:

[0006] Each information identification diagram corresponding to each bus device is identified to obtain electrical topology position information and device information of the power devices connected to each bus device. The information identification diagram includes at least one cell. The at least one cell has a device identifier of the power device and electrical topology position information of the corresponding power device.

[0007] generate an electrical topology relationship graph of the power system based on the electrical topology position information and the device information of the power devices connected to each of the busbar devices.

[0008] In an embodiment, the identifying of the at least one information identification map corresponding to each of the busbar devices comprises:

[0009] identifying the device identification of each of the power devices in each of the information identification maps to obtain the device information of the power devices;

[0010] identifying the row and column position information of the cell in which each of the device identifications is located, and obtaining the electrical topology position information of each of the power devices based on a mapping rule, wherein the mapping rule determines a one-to-one mapping relationship between the row and column position information of the cell in the information identification map and the electrical topology position information of the power devices.

[0011] In an embodiment, the generating of the electrical topology relationship graph of the power system based on the electrical topology position information and the device information of the power devices connected to each of the busbar devices comprises:

[0012] storing the device information and the electrical topology position information of each of the power devices in an information list to obtain the electrical topology relationship graph.

[0013] In an embodiment, the generating of the electrical topology relationship graph of the power system based on the electrical topology position information and the device information of the power devices connected to each of the busbar devices comprises:

[0014] generating an electrical topology block diagram of the power system based on the electrical topology position information of each of the power devices;

[0015] binding the device information of each of the power devices with the corresponding power device in the electrical topology block diagram to obtain the electrical topology relationship graph.

[0016] In an embodiment, in the case where there are multiple busbar devices, the generating of the electrical topology relationship graph of the power system based on the electrical topology position information and the device information of the power devices connected to each of the busbar devices comprises:

[0017] generating a corresponding electrical topology relationship subgraph based on the electrical topology position information and the device information of the power devices connected to each of the busbar devices;

[0018] stitching each of the electrical topology relationship subgraphs to obtain the electrical topology relationship graph of the power system.

[0019] In an embodiment, the method further comprises:

[0020] obtaining at least one device real-time parameter of a power device connected to each of the busbar devices;

[0021] binding the at least one device real-time parameter with electrical topology location information and / or device information of the corresponding power device in the electrical topology relationship diagram.

[0022] In an embodiment, the method further comprises:

[0023] sending the electrical topology relationship diagram to a corresponding management module of each of the busbar devices to realize networking of the power devices.

[0024] In an embodiment, the electrical topology location information at least includes a group number of a power device group to which the corresponding power device belongs and an order in the power device group.

[0025] In a second aspect, an embodiment of the present application provides a device for generating an electrical topology relationship diagram of a power system, the power system comprising a plurality of DC power sources, a plurality of power device groups and at least one busbar device, each of the power device groups being connected to a corresponding busbar device, each of the power device groups comprising a plurality of power devices connected to at least one of the DC power sources, the device comprising:

[0026] a recognition module configured to recognize at least one information identification map corresponding to each of the busbar devices to obtain electrical topology location information and device information of a power device connected to each of the busbar devices, wherein the information identification map comprises at least one cell, and the at least one cell has a device identifier of the power device and electrical topology location information of the corresponding power device.

[0027] a generation module configured to generate the electrical topology relationship diagram of the power system based on the electrical topology location information and the device information of the power device connected to each of the busbar devices.

[0028] In a third aspect, an embodiment of the present application provides a computer readable storage medium having a computer program stored thereon, wherein the computer program is executed by a processor to implement the steps of the method according to the first aspect.

[0029] Compared with the prior art, the method, device, equipment and storage medium, by identifying at least one information identification map corresponding to each of the bus equipment, obtaining the electrical topology position information and equipment information of the power equipment connected with each of the bus equipment, and generating the electrical topology relationship diagram of the power system based on the electrical topology position information and equipment information of the power equipment connected with each of the bus equipment, the technical solution provides a more easily implemented method for generating the electrical topology relationship diagram of the power system, facilitates the intelligent operation and maintenance of the power system, and improves the operation and maintenance efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 is a structural schematic diagram of a power system in an embodiment;

[0031] Figure 2 is a structural schematic diagram of a power system in another embodiment;

[0032] Figure 3 is a flowchart of a method for generating an electrical topology relationship diagram in an embodiment;

[0033] Figure 4 is a schematic diagram of an information identification map template in an embodiment;

[0034] Figure 5 is a flowchart of a method for identifying an information identification map in an embodiment;

[0035] Figure 6 is a schematic diagram of an information identification map in a first example embodiment;

[0036] Figure 7 is a structural schematic diagram of a power system in the first example embodiment;

[0037] Figure 8 is a schematic diagram of an information identification map in a second example embodiment;

[0038] Figure 9 is a structural schematic diagram of a power system in the second example embodiment;

[0039] Figure 10 is another schematic diagram of an information identification map in the second example embodiment;

[0040] Figure 11 is a schematic diagram of an information identification map in a third example embodiment;

[0041] Figure 12 is a structural schematic diagram of a power system in the third example embodiment;

[0042] Figure 13A is a schematic diagram of an information identification map in a fourth example embodiment;

[0043] Figure 13B schematic diagram of another information identification map in a fourth example embodiment;

[0044] Figure 14 schematic diagram of a structure of a power system in a fourth example embodiment;

[0045] Figure 15 schematic diagram of a specific flow of a method for generating an electrical topology relationship map in an embodiment;

[0046] Figure 16 schematic diagram of a structure of a power system in an example embodiment;

[0047] Figure 17 schematic diagram of an electrical topology block diagram in an example embodiment;

[0048] Figure 18 schematic diagram of an electrical topology relationship map in an example embodiment;

[0049] Figure 19 schematic diagram of an electrical topology relationship map in another example embodiment;

[0050] Figure 20 schematic diagram of a specific flow of a method for generating an electrical topology relationship map in another embodiment;

[0051] Figure 21 schematic diagram of an electrical topology relationship map in yet another example embodiment;

[0052] Figure 22 schematic diagram of a structure of a generating device of an electrical topology relationship map in an embodiment. DETAILED DESCRIPTION

[0053] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. Obviously, the drawings in the following description only show some examples or embodiments of the present application, and for those skilled in the art, the present application can be applied to other similar scenarios without creative labor on the basis of these drawings. Unless the context clearly indicates otherwise or otherwise stated, the same reference numbers in the drawings represent the same structure or operation.

[0054] As shown in the present application and claims, unless the context clearly indicates otherwise or otherwise stated, the words "one", "a", "an", and / or "the" do not specifically refer to the singular, but also include the plural. Generally, the terms "comprise" and "include" only indicate the inclusion of the steps and elements explicitly identified, and these steps and elements do not constitute an exclusive list, and the method or device can also include other steps or elements.

[0055] Although the present application makes various references to certain modules in the system according to the embodiments of the present application, however, any number of different modules can be used and run on the computing device and / or processor. The modules are merely illustrative, and different aspects of the system and method can use different modules.

[0056] It should be understood that when a unit or module is described as being "connected", "coupled", or "in communication with" another unit, module or block, it can be directly connected or coupled to the other unit, module or block, or in communication with the other unit, module or block, or there can be intermediate units, modules or blocks therebetween unless otherwise specifically noted. The term "and / or" as used herein can include any and all combinations of one or more of the associated listed items.

[0057] Figure 1 、 Figure 2 A structural schematic diagram of a power system provided by the present application is shown in the figure, which includes a plurality of DC power sources, a plurality of power device groups 10 and a bus device 20, each power device group 10 is connected with a corresponding bus device 20, and each power device group 10 includes a plurality of power devices 101 connected with at least one DC power source respectively.

[0058] The DC power source can be a photovoltaic DC power source as shown in Figure 1 、 Figure 2 , or a fuel cell and an energy storage battery. Specifically, the photovoltaic DC power source can be a single photovoltaic component, a plurality of photovoltaic components connected in series and / or in parallel, or a plurality of photovoltaic cell sub-strings connected in series and / or in parallel.

[0059] The power device 101 can be a micro-inverter, a shut-off device, an optimizer, a monitor, etc. A plurality of power devices 101 in the same power device group 10 can be connected in parallel as shown in Figure 1 , or connected in series as shown in Figure 2 .

[0060] Each power device has corresponding electrical topology position information. The electrical topology position information at least includes the group number of the power device group to which the power device belongs, and the ranking of the power device in the power device group to which the power device belongs. Each power device group has a group number, and the group number of the power device group can be represented by the input port number of the bus device connected by the power device group, such as 1, 2, 3, 4, etc.; each power device has a ranking of relative position in the power device group to which the power device belongs, for example, as shown in Figure 1 , the ranking of the power device group from the closest input port of the bus device to the farthest input port of the bus device is numbered as 1, 2, 3,..., m; or, as shown in Figure 2As shown, the order from the positive pole to the negative pole of the power device group is numbered as 1, 2, 3, …, n in sequence. The electrical topology position information further includes the busbar device number. The electrical topology position information of the power device is usually represented as X-Y-Z, X represents the busbar device number, Y represents the input port number of the busbar device, and Z represents the order of the power device in the power device group to which it belongs.

[0061] Each power device has corresponding device information. The device information can be a unique identification information such as a device serial number of the power device. The carrier of the device information, i.e., the device identifier, can be a two-dimensional code provided on the power device, which is used to indicate the device information of the power device. It can be understood that the device identifier is not limited to a two-dimensional code, but can also be a one-dimensional code or other forms of information carriers or identifier symbols.

[0062] The busbar device 20 can be an inverter for inverting the direct current provided by the power device group into alternating current and outputting; the busbar device 20 can also be a direct current busbar box or an alternating current busbar box for busbar connection of the direct current or alternating current output by each power device group. Figure 1 、 Figure 2 Taking an example of connecting two power device groups by one busbar device, it can be understood that the power system can include two or more busbar devices 20, and the busbar device 20 can have one or more input ports, and each power device group 10 is connected to one input port of one busbar device 20.

[0063] The power system further includes at least one management module, each management module corresponding to one busbar device 20, the management module communicating with each power device group connected to the busbar device, for example, coupling with each power device group connected to the busbar device through a current transformer, and communicating with each power device through power line carrier, but not limited thereto. The management module can also be integrated in the corresponding busbar device 20. The management module and the busbar device can have unique identifications respectively, and their unique identifications can be unified as one, and generally the management module identification or the unified identification is used to represent the busbar device.

[0064] The power system further includes a gateway device and a monitoring platform. The gateway device is compatible with multiple different data transmission modes, can communicate with the management module and each power device, and can transmit data with the monitoring platform and / or an APP. The monitoring platform can interact with the gateway device and / or the APP to enable online monitoring, fault diagnosis, intelligent alarm and operation and maintenance management of the power system on the platform, and can automatically monitor the working state of each installed power device and automatically alarm when the working state is abnormal.

[0065] The present application provides a method for generating an electrical topology relationship diagram of a power system, as shown in Figure 1 、Figure 2 As shown, the power system comprises a plurality of DC power sources, a plurality of power equipment groups 10, and at least one bus equipment 20, each of the power equipment groups 10 is connected with a corresponding bus equipment 20, each of the power equipment groups 10 comprises a plurality of power equipment 101 connected with at least one of the DC power sources respectively, such as Figure 3 As shown, the method comprises:

[0066] S302: Identifying at least one information identification map corresponding to each of the bus equipment to obtain the electrical topology position information and the equipment information of the power equipment connected with each of the bus equipment.

[0067] The information identification map comprises at least one cell, and the at least one cell has the equipment identification of the power equipment and the electrical topology position information of the corresponding power equipment.

[0068] The electrical topology position information of the power equipment at least comprises the group number of the power equipment group to which the corresponding power equipment belongs and the sequence in the power equipment group. Further, the electrical topology position information can also comprise the number of the bus equipment.

[0069] The equipment information is, for example, the equipment serial number of the power equipment.

[0070] S304: Generating the electrical topology relationship chart of the power system based on the electrical topology position information and the equipment information of the power equipment connected with each of the bus equipment.

[0071] It can be understood that, in the present application, the electrical topology relationship chart of the power system is used to show the electrical topology position information and the equipment information of each power equipment and the correlation therebetween. The electrical topology relationship chart can be in the form of an information list, or in the form of a topology map, or in other forms of charts convenient for display.

[0072] Based on the above steps S302-S304, the power system is divided in units of bus equipment, the electrical topology position information and the equipment information of the power equipment connected with each of the bus equipment are obtained by identifying the information identification map, a more easily implemented method for generating the electrical topology relationship chart of the power system is provided, and the intelligent operation and maintenance of the power system is facilitated, and the operation and maintenance efficiency is improved.

[0073] As shown in the information identification map template, Figure 4 The information identification map template comprises a table area, and each cell in the table is used to paste the equipment identification of the power equipment. The row and column position information of the cell and the electrical topology position information of the power equipment have a one-to-one mapping relationship.

[0074] According to the mapping relationship, the device identifiers of all power devices under a busbar device are sequentially pasted in the cells in the information identification chart template, to obtain an information identification chart.

[0075] Optionally, the information identification chart template further comprises a number cell and an identifier cell of the busbar device, for filling in the number and pasting the unique identifier of the busbar device, respectively.

[0076] In an embodiment, as shown in Figure 5 The identification of the at least one information identification chart corresponding to each of the busbar devices comprises:

[0077] S502: identifying the device identifiers of each of the power devices in each of the information identification charts to obtain the device information of the power devices;

[0078] S504: identifying the row and column position information of the cells where each of the device identifiers is located, and obtaining the electrical topology position information of each of the power devices based on a mapping rule.

[0079] The mapping rule is used to determine a one-to-one mapping relationship between the row and column position information of the cells in the information identification chart and the electrical topology position information of the power devices.

[0080] The mapping rule can be automatically obtained based on the actual electrical topology design scheme corresponding to the busbar device and the table design of the information identification chart template, or manually input.

[0081] For example, the information identification chart can be photographed by the photographing function of the electronic device to obtain a target picture, or the information identification chart can be scanned by the scanning function of the electronic device to obtain a target picture. Then, the electronic device identifies the target picture, including identifying the device identifiers of the power devices in each cell to obtain the device information, and identifying the row and column position information of the cells where each of the device identifiers is located, and obtaining the electrical topology position information of each of the power devices based on a mapping rule, so as to obtain the device information and the electrical topology position information of the power device corresponding to each cell.

[0082] In a first example embodiment, an information identification chart as shown in Figure 6 is provided, which is used to record the device identifiers of each power device connected to the busbar device 1 as shown in Figure 7 The entire table in the information identification chart can represent all power devices in a busbar device, and each cell in the table represents a power device. Each cell in the information identification chart has a corresponding device identifier. It can be understood that a blank cell indicates that no power device is connected at that position.

[0083] The identification information of the power distribution device corresponding to the information identification diagram includes a number of the power distribution device and / or an identification of the power distribution device, the number of the power distribution device is filled in a power distribution device number cell of the information identification diagram, and the identification of the power distribution device is pasted in a power distribution device identification cell of the information identification diagram.

[0084] The information identification diagram is identified by using the electronic device to obtain the device information of the power device corresponding to each cell, and then the electrical topology position information and the device information of the power device can be stored in the information list as shown in Table 1.

[0085] Table 1

[0086] Electrical topology location information Device information 1-1-1 xxxxxx01 1-1-2 xxxxxx02 1-1-3 xxxxxx03 1-1-4 xxxxxx04 1-1-5 xxxxxx05 1-1-6 xxxxxx06 1-2-1 xxxxxx07 1-2-2 xxxxxx08 1-2-3 xxxxxx09 1-2-4 xxxxxx10 1-2-5 xxxxxx11 1-2-6 xxxxxx12 1-3-1 xxxxxx13 1-3-2 xxxxxx14 1-3-3 xxxxxx15 1-3-4 xxxxxx16 1-3-5 xxxxxx17 1-4-1 xxxxxx18 1-4-2 xxxxxx19 1-4-3 xxxxxx20 1-4-4 xxxxxx21 1-4-5 xxxxxx22

[0087] The electronic device identifies each cell in the information identification diagram based on a mapping rule, and the mapping rule is used to determine a one-to-one mapping relationship between the row and column positions of the cells of the information identification diagram and the electrical topology positions of the power devices. In the example embodiment, the mapping rule is that each row of cells represents a power device group, and the column number of the cells represents the sorting number of the power device in the power device group; and the group number of the power device group is the row number.

[0088] It can be understood that in other embodiments, the information identification diagram can also represent a power device group by each column, and the row number of the cells indicates the sorting number in the power device group.

[0089] When the number of power devices in at least one power device group is too large, that is, the number of cells in a row of the information identification diagram is less than the number of power devices in a certain power device group, the device identification of all power devices in the power device group can be pasted in multiple rows of cells.

[0090] In a second example embodiment, an information identification diagram as shown in Figure 8 is provided, which is used to record the device identification of each power device connected to the power distribution device 1 as shown in Figure 9 . As shown in Figure 8 , the first row and the second row of the information identification diagram are both used to paste the device identification of the power devices in the first power device group, and the third row and the fourth row are both used to paste the device identification of the power devices in the second power device group.

[0091] Therefore, by using the electronic device to identify the information identification diagram based on the mapping rule as Figure 8The shown information identifies each cell in the diagram, identifies the device information of the power device in each cell, and then can store the electrical topology location information and the device information of the power device in the information list as shown in Table 2. In the example embodiment, the mapping rule is that two rows of cells represent a power device group, and the power device group serial numbers are sequentially sorted according to the relative positions of the power device groups in the table.

[0092] Table 2

[0093] Electrical topology location information Device information 1-1-1 xxxxxx01 1-1-2 xxxxxx02 1-1-3 xxxxxx03 1-1-4 xxxxxx04 1-1-5 xxxxxx05 1-1-6 xxxxxx06 1-1-7 xxxxxx07 1-1-8 xxxxxx08 1-1-9 xxxxxx09 1-1-10 xxxxxx10 1-2-1 xxxxxx11 1-2-2 xxxxxx12 1-2-3 xxxxxx13 1-2-4 xxxxxx14 1-2-5 xxxxxx15 1-2-6 xxxxxx16 1-2-7 xxxxxx17 1-2-8 xxxxxx18 1-2-9 xxxxxx19 1-2-10 xxxxxx20

[0094] In other examples, the table design of the information identification diagram template can also be changed. For example, some rows of the table do not have the group number of the power device group, and the row is the continuation of the row with the last group number of the power device group. For example, the second row of the information identification diagram does not have the group number of the power device group, so the second row is the continuation of the first row with the last group number of the power device group. Or, as shown in Table 3, special marks are designed in the group number position of some rows of the table, indicating that the row is the continuation of the row with the last group number of the power device group. For example, the second row of the information identification diagram has a special mark in the group number position, so the second row is the continuation of the first row with the last group number of the power device group. Therefore, the electrical topology location information corresponding to the cell (2, 1) is 1-7, which is used to represent the position of the seventh power device in the first power device group. Figure 10

[0095] Of course, there is also a case where the number of power devices in a power device group is small, that is, the number of cells in a row of the information identification diagram is much larger than the number of power devices in a certain power device group. In this case, the device identification of the power devices in multiple power device groups can be pasted in a row of cells.

[0096] In a third example embodiment, an information identification diagram as shown in Table 4 is provided, which is used to record the device identification of each power device connected to the busbar device 1 as shown in Table 5. As shown in Table 4, the first row of the information identification diagram is used to paste the device identification of the power devices in the first power device group and the second power device group, and the second row is used to paste the device identification of the power devices in the third power device group and the fourth power device group. Figure 11 Figure 12 Therefore, the electronic device can paste the device identification of the power devices in the first power device group and the second power device group in the first row of the information identification diagram, and paste the device identification of the power devices in the third power device group and the fourth power device group in the second row of the information identification diagram according to the mapping rule. Figure 11

[0097] Therefore, the electronic device can paste the device identification of the power devices in the first power device group and the second power device group in the first row of the information identification diagram, and paste the device identification of the power devices in the third power device group and the fourth power device group in the second row of the information identification diagram according to the mapping rule. Figure 11 ​​​The shown information identifies each cell in the diagram, obtains the device information of the power device in each cell, and then can store the electrical topology location information and the device information of the power device in the information list as shown in Table 3 in association. In the example embodiment, the mapping rule is that one row represents two power device groups, and the group numbers of the power device groups are sequentially sorted according to the relative positions of the power device groups in the table.

[0098] Table 3

[0099] Electrical topology location information Device information 1-1-1 xxxxxx01 1-1-2 xxxxxx02 1-1-3 xxxxxx03 1-2-1 xxxxxx04 1-2-2 xxxxxx05 1-2-3 xxxxxx06 1-2-4 xxxxxx07 1-3-1 xxxxxx08 1-3-2 xxxxxx09 1-3-3 xxxxxx10 1-4-1 xxxxxx11 1-4-2 xxxxxx12 1-4-3 xxxxxx13 1-4-4 xxxxxx14

[0100] When the number of power devices connected to a bus device is too large, multiple information identification diagrams can be used to record the device identification of each power device connected to the bus device. The identification information of the bus device, such as the bus device number and the bus device identification, can be marked in the designated position of the multiple information identification diagrams; or, the bus device number is recorded in the bus device number cell in each information identification diagram, and the bus device identification is pasted only in the bus device identification cell in the first information identification diagram. The information identification diagram also has a page number identification area for indicating the splicing order of the multiple information identification diagrams.

[0101] In a fourth example embodiment, as shown in Figure 13A and Figure 13B The device identification of the power device connected to the bus device 1 as shown in Figure 14 It can be understood that the device identification of all power devices in the same power device group is pasted in the same table as much as possible.

[0102] Therefore, by using an electronic device to identify each cell in the information identification diagrams as shown in Figure 13A and Figure 13B , the device information of the power device in each cell is obtained, and then the obtained information can be integrated to store the electrical topology location information and the device information of all power devices connected to the first bus device in the information list as shown in Table 4 in association.

[0103] Table 4

[0104]

[0105]

[0106] In step S304, specifically, based on the information list corresponding to each bus device, the electrical topology location information and the corresponding device information of the power devices connected to each bus device are summarized and integrated, thereby generating an electrical topology relationship diagram of the power system.

[0107] Further, as shown in Figure 15 In the case where there are multiple bus devices, the generating the electrical topology relationship chart of the power system based on the electrical topology position information and the device information of the power devices connected to each of the bus devices comprises:

[0108] S1502: generating a corresponding electrical topology relationship sub-chart based on the electrical topology position information and the device information of the power devices connected to each of the bus devices;

[0109] S1504: combining each of the electrical topology relationship sub-charts to obtain the electrical topology relationship chart of the power system.

[0110] The electrical topology relationship chart can have various forms. In some embodiments, the generating the electrical topology relationship chart of the power system based on the electrical topology position information and the device information of the power devices connected to each of the bus devices comprises: storing the device information and the electrical topology position information of each of the power devices in an information list to obtain the electrical topology relationship chart.

[0111] The electrical topology relationship chart can directly store the electrical topology position information and the device information of each of the power devices in the power system in the same row in the form of an information list as shown in Table 5, wherein the electrical topology position information of the power device further includes the number of the connected bus device. For example, as shown in Figure 16 The power system includes bus device 1 and bus device 2, and bus device 1 and bus device 2 are connected to two power device groups respectively, and each power device group includes six power devices.

[0112] Table 5

[0113]

[0114]

[0115] In some other embodiments, the generating the electrical topology relationship chart of the power system based on the electrical topology position information and the device information of the power devices connected to each of the bus devices comprises: generating an electrical topology block diagram of the power system based on the electrical topology position information of each of the power devices; and binding the device information of each of the power devices with the corresponding power device in the electrical topology block diagram to obtain the electrical topology relationship chart.

[0116] Specifically, the electrical topology block diagram of the power system is generated based on the electrical topology position information of each of the power devices corresponding to each of the bus devices. As shown in Figure 17 The electrical topology block diagram is a block diagram including each of the bus devices, each of the power devices, and the electrical connection relationship therebetween. Figure 171-1-1 represents the electrical topology location information of the corresponding power device. Then, by binding the device information of each power device with the corresponding power device in the electrical topology diagram, an electrical topology relationship chart is obtained.

[0117] In which the device information of each power device is bound with the corresponding power device in the electrical topology diagram. Specifically, it can be realized by any of the following ways: as shown in Figure 18 directly displaying any device information on the corresponding at least one power device; displaying any device information on an icon, and displaying the icon on the corresponding at least one power device; as shown in Figure 19 storing any device information in association with the icon information of an icon, and displaying the icon indicated by the icon information on the corresponding at least one power device. The icon information can be any information for uniquely indicating an icon.

[0118] Further, the electrical topology relationship chart of the power system can also include at least one device real-time parameter of each power device. The device real-time parameter is at least one of power generation, output power, output voltage, output current, input power, input voltage, input current, device model, and device operating state.

[0119] In an embodiment, as shown in Figure 20 the method further comprises:

[0120] S2002: Obtain at least one device real-time parameter of the power device connected to each busbar device;

[0121] S2004: Bind the at least one device real-time parameter with the electrical topology location information and / or device information of the corresponding power device in the electrical topology relationship chart.

[0122] In the process of generating the electrical topology relationship chart of the power system, in addition to binding the electrical topology location information and device information of the power device, at least one device real-time parameter of the power device is also bound with the electrical topology location information and device information of the power device, so that in the electrical topology relationship chart as shown in Table 6 or as shown in Figure 21 the power device with electrical topology location information 1-1-5 and device information xxxx 05 is abnormal, which realizes intelligent operation and maintenance and improves the work efficiency of operation and maintenance.

[0123] Table 6

[0124]

[0125] In a further embodiment, in the process of generating the electrical topology graph of the power system, the identification information of each busbar device can also be acquired, and the electrical topology graph of the power system can be generated based on the electrical topology position information, the device information of the power devices, the third correspondence relationship, and the identification information of the busbar devices. The electronic device can identify the device identification of each busbar device to obtain the identification information, and then the identification information of the busbar device corresponding to each power device can be stored in the same row as the electrical topology position information and the device information of each power device in the electrical topology relationship graph in the form of an information list; or the identification information of each busbar device can be bound to the corresponding busbar device in the electrical topology block diagram. That is, the generated electrical topology relationship graph of the power system also includes the identification information of each busbar device.

[0126] Further, after generating the electrical topology relationship graph of the power system, the electrical topology relationship graph of the corresponding busbar device can be sent to the management module of each busbar device. The electrical topology relationship graph can be directly distributed to the corresponding management module, or can be synchronized to the gateway first, and then distributed to the corresponding management module by the gateway.

[0127] Based on the electrical topology relationship graph, the management module corresponding to each busbar device can acquire the device information of all power devices connected to the busbar device, and then the management module sends a signal instruction including the device information and the logical address to each corresponding power device to realize networking. Therefore, each management module does not need to search for devices one by one to acquire the device information of the power devices, but can simply and quickly acquire the device information of all power devices connected to the corresponding busbar device from the electrical topology relationship graph, thereby improving the efficiency of networking.

[0128] It should be understood that although each step in the above flowchart is displayed in sequence according to the direction of the arrow, these steps are not necessarily executed in the order indicated by the arrow. Unless otherwise specified herein, the execution of these steps is not strictly limited in sequence, and these steps can be executed in other orders. Moreover, at least part of the steps in the above flowchart can include multiple steps or multiple stages, which are not necessarily executed at the same time, but can be executed at different times, and the execution order of these steps or stages is not necessarily sequential, but can be alternately executed with at least part of other steps or steps or stages in other steps.

[0129] In an embodiment, as Figure 22As shown, the present application provides a device for generating an electrical topology relationship chart of a power system, the power system comprising a plurality of DC power sources, a plurality of power device groups, and at least one bus device, each of the power device groups being connected to a corresponding bus device, each of the power device groups comprising a plurality of power devices connected to at least one of the DC power sources, the device comprising:

[0130] an identification module 2202 configured to identify at least one information identification chart corresponding to each of the bus devices to obtain electrical topology position information and device information of the power devices connected to each of the bus devices, wherein the information identification chart comprises at least one cell, and the at least one cell has device identification of the power devices and electrical topology position information of the corresponding power devices;

[0131] a generation module 2204 configured to generate the electrical topology relationship chart of the power system based on the electrical topology position information and the device information of the power devices connected to each of the bus devices.

[0132] The identification module identifies at least one information identification chart corresponding to each of the bus devices to obtain electrical topology position information and device information of the power devices connected to each of the bus devices, and the generation module generates the electrical topology relationship chart of the power system based on the electrical topology position information and the device information of the power devices connected to each of the bus devices. The present technical solution provides a more easily implemented method for generating an electrical topology relationship chart of a power system, which facilitates intelligent operation and maintenance of the power system and improves the efficiency of operation and maintenance.

[0133] In an embodiment, the identification module comprises:

[0134] a first identification sub-module configured to identify the device identification of each of the power devices in each of the information identification charts to obtain the device information of the power devices;

[0135] a second identification sub-module configured to identify row and column position information of a cell in which each of the device identifications is located, and obtain electrical topology position information of each of the power devices based on a mapping rule, wherein the mapping rule is used to determine a one-to-one mapping relationship between the row and column position information of the cell in the information identification chart and the electrical topology position information of the power devices.

[0136] In an embodiment, the generation module stores the device information and the electrical topology position information of each of the power devices in each of the information identification charts in an information list to obtain the electrical topology relationship chart.

[0137] In an embodiment, the generating module generates an electrical topology diagram of the power system based on the electrical topology position information of each power device; and binds the device information of each power device with the corresponding power device in the electrical topology diagram to obtain the electrical topology relationship graph.

[0138] In an embodiment, when there are multiple busbar devices, the generating module generates a corresponding electrical topology relationship sub-graph based on the electrical topology position information and the device information of the power devices connected to each busbar device; and splices each electrical topology relationship sub-graph to obtain the electrical topology relationship graph of the power system.

[0139] In an embodiment, the generating apparatus further comprises:

[0140] The binding module is configured to acquire at least one device real-time parameter of the power device connected to each busbar device; and bind the at least one device real-time parameter with the electrical topology position information and / or the device information of the corresponding power device in the electrical topology relationship graph.

[0141] In an embodiment, the generating apparatus further comprises:

[0142] The sending module is configured to send the electrical topology relationship graph to the management module corresponding to each busbar device to realize the networking of the power devices.

[0143] In an embodiment, the electrical topology position information at least includes the group number of the power device group to which the corresponding power device belongs and the order in the power device group.

[0144] It should be noted that the generating apparatus for generating the electrical topology relationship graph of the power system can be an APP or a monitoring platform. The electrical topology relationship graph can be stored in the APP, the monitoring platform, the gateway device and the management module of each busbar device of the power system, and the electrical topology relationship graph supports mutual synchronization and backup among the four. After generating the electrical topology relationship graph of the power system, the APP can respectively distribute the electrical topology relationship graph of the corresponding busbar device to the management module of each busbar device based on the number of the busbar device, thereby realizing networking. Alternatively, after generating the electrical topology relationship graph of the power system, the APP or the monitoring platform can synchronize all the electrical topology relationship graphs of the power system to the gateway device, and then the gateway device distributes the electrical topology relationship graph of the corresponding busbar device and some configuration parameters to the management module of each busbar device, thereby realizing one-key networking and parameter configuration.

[0145] The specific limitations of the generating apparatus can refer to the limitations of the generating method described above, which will not be described here. Each module in the above generating apparatus can be implemented by software, hardware and their combination in whole or in part. The above modules can be embedded in or independent of the processor in the computer device in hardware form, or stored in the memory in the computer device in software form, so as to call and execute the operations corresponding to the above modules by the processor.

[0146] In one embodiment, a computer readable storage medium is provided, and the computer program is stored on the computer readable storage medium. The computer program is executed by the processor to implement the steps in any of the above generating method embodiments.

[0147] A person of ordinary skill in the art can understand that all or part of the above-mentioned embodiment methods can be completed by a computer program to instruct related hardware. The computer program can be stored in a non-volatile computer readable storage medium. When the computer program is executed, it can include the processes of the above-mentioned embodiments of the method. In the embodiments provided in the present application, any reference to memory, storage, database or other medium can include at least one of non-volatile and volatile memory. Non-volatile memory can include read-only memory (Read-Only Memory, ROM), magnetic tape, floppy disk, flash memory or optical memory. Volatile memory can include random access memory (Random Access Memory, RAM) or external cache memory. As an illustration but not limitation, RAM can be in various forms, such as static random access memory (Static Random Access Memory, SRAM) or dynamic random access memory (Dynamic Random Access Memory, DRAM).

[0148] Each technical feature of the above embodiments can be combined arbitrarily. In order to make the description simple, all possible combinations of each technical feature in the above embodiments are not described, but as long as the combination of these technical features does not exist, it should be considered as the scope of the present application.

[0149] The above embodiments only express several implementation manners of the present application, and the description is more specific and detailed, but it should not be understood as a limitation on the scope of the patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present application, some modifications and improvements can be made, which are all within the scope of the present application. Therefore, the protection scope of the patent of the present application should be subject to the appended claims.

Claims

1. A method for generating an electrical topology diagram of a power system, the power system comprising multiple DC power sources, multiple power device groups, and at least one combiner device, each power device group being connected to a corresponding combiner device, each power device group comprising multiple power devices respectively connected to at least one DC power source, characterized in that, The method includes: At least one information identification diagram corresponding to each of the aforementioned combiner devices is identified to obtain the electrical topology location information and device information of the power devices connected to each of the combiner devices. The information identification diagram includes at least one cell, which has the device identifier of the power device and electrical topology location information for representing the corresponding power device. Based on the electrical topology location information and device information of the power devices connected to each of the aforementioned combiner devices, an electrical topology diagram of the power system is generated.

2. The method according to claim 1, characterized in that, The step of identifying at least one information identification map corresponding to each of the aforementioned combiner devices to obtain the electrical topology location information and device information of the power devices connected to each of the combiner devices includes: The device information of the power device is obtained by identifying the device identifier of each power device in each of the information identifier diagrams; The row and column position information of each device identifier cell is identified, and the electrical topology position information of each power device is obtained based on the mapping rule, wherein the mapping rule determines the one-to-one mapping relationship between the row and column position information of the cell in the information identifier diagram and the electrical topology position information of the power device.

3. The method according to claim 1, characterized in that, The generation of the electrical topology diagram of the power system based on the electrical topology location information and device information of the power devices connected to each of the aforementioned combiner devices includes: The device information and electrical topology location information of each power device are associated and stored in an information list to obtain the electrical topology relationship diagram.

4. The method according to claim 1, characterized in that, The generation of the electrical topology diagram of the power system based on the electrical topology location information and device information of the power devices connected to each of the aforementioned combiner devices includes: An electrical topology block diagram of the power system is generated based on the electrical topology location information of each of the power devices. The device information of each power device is bound to the corresponding power device in the electrical topology diagram to obtain the electrical topology relationship diagram.

5. The method according to claim 1, characterized in that, When there are multiple combiner devices, generating an electrical topology diagram of the power system based on the electrical topology location information and device information of the power devices connected to each combiner device includes: Based on the electrical topology location information and device information of the power devices connected to each of the aforementioned combiner devices, corresponding electrical topology relationship sub-graphs are generated respectively; By combining the various electrical topology sub-charts, the electrical topology chart of the power system is obtained.

6. The method according to claim 1, characterized in that, The method further includes: Obtain at least one real-time parameter of the power device connected to each of the aforementioned combiner devices; The real-time parameters of the at least one device are bound to the electrical topology location information and / or device information of the corresponding power device in the electrical topology relationship diagram.

7. The method according to claim 1, characterized in that, The method further includes: The electrical topology diagram is sent to the management module corresponding to each of the busbar devices to realize the networking of the power devices.

8. The method according to any one of claims 1-7, characterized in that, The electrical topology location information includes at least the group number of the power device group to which the corresponding power device belongs and its sorting within the power device group.

9. An apparatus for generating an electrical topology diagram of a power system, the power system comprising multiple DC power sources, multiple power device groups, and at least one combiner device, each power device group being connected to a corresponding combiner device, each power device group comprising multiple power devices respectively connected to at least one DC power source, characterized in that, The device includes: The identification module is used to identify at least one information identification diagram corresponding to each of the aforementioned combiner devices, and to obtain the electrical topology location information and device information of the power devices connected to each of the aforementioned combiner devices, wherein the information identification diagram includes at least one cell, and the at least one cell has the device identifier of the power device and the electrical topology location information for representing the corresponding power device; The generation module is used to generate an electrical topology diagram of the power system based on the electrical topology location information and device information of the power devices connected to each of the busbar devices.

10. A computer-readable storage medium having a computer program stored thereon, characterized in that, When the computer program is executed by a processor, it implements the steps of the method as described in any one of claims 1 to 8.

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