Power failure range analysis method and system for distribution network fault, terminal and storage medium

Abstract

The invention relates to the technical field of power grid main equipment, and particularly provides a distribution network fault power failure range analysis method and system, a terminal and a storage medium, and the method comprises the steps: obtaining planned maintenance application information in an OMS system, and the planned maintenance application information comprises a power failure equipment ID; and in a preset multi-source heterogeneous main equipment model, based on the power failure equipment ID, carrying out fault-caused power failure range analysis to obtain a power failure transformer substation and a power failure important load. According to the invention, the working efficiency is improved, and the manual workload is reduced.

Description

Technical Field

[0001] The present invention belongs to the technical field of main power grid equipment, and in particular relates to a method, system, terminal and storage medium for analyzing the power outage range of a distribution network fault. Background Art

[0002] With the rapid development of distribution networks and the refined management of control services, the workload of distribution network control has increased significantly. Traditional dispatching management has prominent problems, mainly manifested in the following three aspects:

[0003] First, the dispatching business processing is highly dependent on manual labor. Traditional dispatching management methods mainly rely on personnel to retrieve maintenance plans, historical loads, fault power outages and other types of data from various systems for manual analysis and judgment, which is inefficient, has large deviations and strong subjectivity. Second, the independence of multi-system data leads to information island problems. There are problems such as information discontinuity, insufficient intelligent data analysis and insufficient automatic processing, and it is impossible to fully utilize the advantages of big data to realize intelligent analysis. Third, there is a lack of intelligent early warning methods. The network status of the new power system is frequently reconstructed, and the manual monitoring methods are lagging behind, and it is impossible to conduct intelligent early warnings on grid risks, power supply reliability of important users and other issues in a timely manner. Summary of the invention

[0004] In view of the problem that the power outage range analysis of distribution network faults in the prior art is highly dependent on manual work and lacks early warning means, the present invention provides a power outage range analysis method, system, terminal and storage medium for distribution network faults to solve the above technical problems.

[0005] In a first aspect, the present invention provides a method for analyzing a power outage range of a distribution network fault, comprising:

[0006] Obtaining planned maintenance application information in the OMS system, wherein the planned maintenance application information includes a power outage device ID;

[0007] In the preset multi-source heterogeneous main equipment model, based on the power outage equipment ID, the power outage scope caused by the fault is analyzed to obtain the power outage substation and important loads.

[0008] Furthermore, the method for establishing a multi-source heterogeneous master device model includes:

[0009] Obtain all devices for building a multi-source heterogeneous master device model and record them as input devices;

[0010] Use the preset connection relationship search function to search and group the main devices in the input devices to obtain a list of main device nodes;

[0011] Based on the input device and the main device node list and the preset connectivity identification function, a neighbor node connection list is obtained;

[0012] Based on the master device node list and the connection relationship between the neighboring nodes, a multi-source heterogeneous master device model is obtained. The nodes in the multi-source heterogeneous master device model include master device nodes N D 、Connection node N C and child node n S .

[0013] Furthermore, a preset connection relationship search function is used to search and group the main devices in the input devices to obtain a list of main device nodes, including:

[0014] Obtain a set of all winding coils of the same main transformer in the input device, and establish a first main device node list;

[0015] Obtain the busbars directly connected through bus coupling and segmentation in the input device, and establish a second main device node list;

[0016] Obtain all T-connected lines in the input device and all devices that are grouped separately, and establish a third main device node list;

[0017] Get the devices with no switches but only closed knife switches among the input devices, and establish the fourth main device node list;

[0018] The first master device node list, the second master device node list, the third master device node list, and the fourth master device node list are collected into a master device node list.

[0019] Further, based on the input device and the main device node list and the preset connectivity identification function, an adjacent node connection list is obtained, including steps Q1-Q3:

[0020] Q1. Get the switch in the input device and traverse the main device node list based on the switch:

[0021] If the switch is directly connected to the master device in the master device list, jump to step Q2;

[0022] If the switch is directly connected to the knife switch, jump to step Q3;

[0023] Q2. Get the master device in the master device list that the switch directly connects to, and establish a connection node list;

[0024] Q3. Get the main device connected to the switch and create a list of switch subnodes;

[0025] The connection node list and the switch node list are adjacent node connection lists.

[0026] Furthermore, in the preset multi-source heterogeneous main equipment model, based on the power outage equipment ID, the power outage scope caused by the fault is analyzed to obtain the power outage substation and the power outage important load, including:

[0027] Create a new initial power-off device list ListDevice, in which all power-off devices are pre-stored; create a new connection node list ListPass, which is used to record the analyzed devices; create a new terminal load device node list ListEndLoad, which is used to record the terminal load devices without connection nodes;

[0028] Traverse all the powered-off device nodes in the initial powered-off device list ListDevice:

[0029] Traverse the device nodes in the first initial power-off device list ListDevice;

[0030] If the current device node traversed is not the initial power-off device, the current device node is skipped, and the connection nodes connected to the current device node are traversed, and a connection node list ListTempC is established based on the connection nodes connected to the current device node;

[0031] If the connection node list ListTempC is empty, the current device node is an end load node, and it is added to the end load device node list ListEndLoad;

[0032] Filter the nodes in ListTempC that have been recorded in ListPass and keep the nodes that have not been processed;

[0033] Get the master device node list ListTempD connected in ListTempC;

[0034] Traverse each master device node in ListTempD and add each node to the node list ListNode;

[0035] Add the nodes in the connected node ListTempC to the ListDevice list;

[0036] Extract the power outage substation ListStopStation and the power outage important load ListStopKeyLoad.

[0037] In a second aspect, the present invention provides a power outage range analysis system for distribution network faults, comprising:

[0038] An information acquisition module is used to acquire planned maintenance application information in the OMS system, wherein the planned maintenance application information includes a power outage device ID;

[0039] The fault analysis module is used to analyze the scope of power outage caused by the fault based on the power outage equipment ID in the preset multi-source heterogeneous main equipment model, and obtain the power outage substation and the important load of the power outage.

[0040] Risk level analysis module, used for risk warning module, used for

[0041] Furthermore, it also includes: a model building module;

[0042] The model building module is used to build a multi-source heterogeneous main device model;

[0043] The model building module includes:

[0044] An input device acquisition unit, used to acquire all devices for establishing a multi-source heterogeneous master device model, which are recorded as input devices;

[0045] A master device node list generating unit is used to use a preset connection relationship search function to search and group master devices in the input device to obtain a master device node list;

[0046] An adjacent node connection list generating unit, used to obtain an adjacent node connection list based on the input device and the main device node list and a preset connectivity identification function;

[0047] A multi-source heterogeneous master device model generating unit is used to obtain a multi-source heterogeneous master device model based on the master device node list and the neighbor node connection relationship. The nodes in the multi-source heterogeneous master device model include master device nodes N D 、Connection node N C and child node n S .

[0048] Furthermore, the master device node list generating unit includes:

[0049] A first main device node list generating module, used for acquiring a set of all winding coils of the same main transformer in the input device, and establishing a first main device node list;

[0050] A second main device node list generation module is used to obtain the busbars directly connected through bus coupling and segmentation in the input device, and establish a second main device node list;

[0051] A third main device node list generation module is used to obtain all T-connected lines in the input device and all devices that are grouped separately, and establish a third main device node list;

[0052] The fourth main device node list generating module is used to obtain the devices without switches but only closed knife switches in the input devices, and establish the fourth main device node list;

[0053] The master device node list generating module is used to collect the first master device node list, the second master device node list, the third master device node list and the fourth master device node list into a master device node list.

[0054] In a third aspect, a terminal is provided, including:

[0055] processor, memory, wherein:

[0056] The memory is used to store computer programs.

[0057] The processor is used to call and run the computer program from the memory, so that the terminal executes the above-mentioned terminal method.

[0058] According to a fourth aspect, a computer storage medium is provided, wherein the computer-readable storage medium stores instructions, and when the instructions are executed on a computer, the computer executes the methods described in the above aspects.

[0059] The beneficial effect of the present invention is that the power outage range analysis method, system, terminal and storage medium provided by the present invention greatly improves work efficiency and reduces manual workload through a preset multi-source heterogeneous main device model, and realizes information penetration and intelligent and automated analysis of data. When power problems occur, no manual recording is required, which solves the problems of poor timeliness and heavy workload of personnel.

[0060] In addition, the invention has a reliable design principle, a simple structure and a very broad application prospect. BRIEF DESCRIPTION OF THE DRAWINGS

[0061] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0062] Figure 1 is a schematic flow chart of a method according to an embodiment of the present invention.

[0063] Figure 2 is a schematic block diagram of a system according to an embodiment of the present invention.

[0064] Figure 3 A schematic diagram of the structure of a terminal provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0065] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0066] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used in the specification of the present invention herein are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0067] The method for analyzing the power outage scope of a distribution network fault provided by the embodiment of the present invention is executed by a computer device, and accordingly, the system for analyzing the power outage scope of a distribution network fault runs in the computer device.

[0068] To facilitate understanding of the present invention, the power outage range analysis method for distribution network faults provided by the present invention is further described below based on the principle of the power outage range analysis method for distribution network faults of the present invention and in combination with the process of performing power outage analysis on distribution network faults in the embodiment.

[0069] Specifically, the method for analyzing the power outage scope of the distribution network fault includes:

[0070] S1. Obtain planned maintenance application information in the OMS system, wherein the planned maintenance application information includes a power outage equipment ID.

[0071] Specifically, with the planned maintenance application information of the OMS system as the core, it analyzes the power outage users, affected equipment, grid risks, etc., and uses AI intelligent human-computer interaction to remind dispatchers and related operation and maintenance personnel in real time, and assists in issuing maintenance applications based on judgment logic. In the maintenance application notice stage, the real-time status of the equipment is read, the operation ticket is intelligently written, and the network order is issued after manual review.

[0072] S2. In the preset multi-source heterogeneous main equipment model, based on the power outage equipment ID, the power outage scope caused by the fault is analyzed to obtain the power outage substation and the power outage important load.

[0073] The method of establishing a multi-source heterogeneous master device model includes:

[0074] All devices for building a multi-source heterogeneous master device model are obtained and recorded as input devices.

[0075] Use the preset connection relationship search function to search and group the main devices in the input device to obtain the main device node list. Obtain the set of all winding coils of the same main transformer in the input device to establish the first main device node list; obtain the busbars directly connected through bus coupling and segmentation in the input device to establish the second main device node list; obtain all T-connected lines in the input device and all devices grouped separately to establish the third main device node list; obtain the devices in the input device that have no switches but only closed knife switches to establish the fourth main device node list; collect the first main device node list, the second main device node list, the third main device node list and the fourth main device node list into the main device node list.

[0076] Based on the input device and the main device node list and the preset connectivity identification function, the adjacent node connection list is obtained, including steps Q1-Q3:

[0077] Q1. Get the switch in the input device and traverse the main device node list based on the switch:

[0078] If the switch is directly connected to the master device in the master device list, jump to step Q2;

[0079] If the switch is directly connected to the knife switch, jump to step Q3;

[0080] Q2. Get the master device in the master device list that the switch directly connects to, and establish a connection node list;

[0081] Q3. Get the main device connected to the switch and create a list of switch subnodes;

[0082] The connection node list and the switch node list are adjacent node connection lists.

[0083] Based on the master device node list and the connection relationship between the neighboring nodes, a multi-source heterogeneous master device model is obtained. The nodes in the multi-source heterogeneous master device model include master device nodes N D 、Connection node N C and child node n S .

[0084] Create a new initial power-off device list ListDevice, in which all power-off devices are pre-stored; create a new list of connection nodes ListPass, used to record the devices that have been analyzed; create a new end load device node list ListEndLoad, used to record the end load devices without connection nodes; traverse all power-off device nodes in the initial power-off device list ListDevice:

[0085] Traverse the device nodes in the first initial power-off device list ListDevice; if the current device node traversed is not the initial power-off device, skip the current device node, and traverse the connection nodes connected to the current device node, and establish a connection node list ListTempC based on the connection nodes connected to the current device node; if the connection node list ListTempC is empty, the current device node is an end load node, and add it to the end load device node list ListEndLoad; filter the nodes in the ListTempC list that have been recorded in ListPass, and retain the nodes that have not been processed; obtain the main device node list ListTempD connected in ListTempC; traverse each main device node in ListTempD, and add each node to the node list ListNode; add the nodes in the connection node ListTempC to the ListDevice list; extract the power-off substation ListStopStation and the power-off important load ListStopKeyLoad.

[0086] Specifically, the main equipment node N is established with the line, busbar, and main transformer winding as the center. D ; With the switch as the center, establish connection node N C ; Knife switch connection child node n S .

[0087] The specific process of analyzing the scope of power outage caused by fault is as follows:

[0088] Start: Type N D List of ListDevice, as the initial power-off device

[0089] Establish the N that has been passed C ListListPass

[0090] Establish the end load N D ListListEndLoad

[0091] do loop: Node N' in ListDevice D

[0092] if(N' D Not the initial power-off device &&ExistBackPower(N' D ))

[0093] continue;

[0094] N' D List of connected nodes ListTempC

[0095] if(ListTempC.Count == 0)

[0096] ListEndLoad->Add(N' D );

[0097] ListTempC filters the connection nodes that have been passed in ListPass

[0098] do loop: Node N′ in ListTempC C

[0099] N′ C ListTempD of connected master device nodes

[0100] do loop: Node N" in ListTempD DD

[0101] ListNode->Add(N″ D )

[0102] do loop end

[0103] ListDevice->Add(N′ C )

[0104] do loop end

[0105] do loop end

[0106] Extract the power outage substation ListStopStation and the power outage important load ListStopKeyLoad

[0107] Finish

[0108] In some embodiments, the power outage range analysis system for distribution network faults may include multiple functional modules composed of computer program segments. The computer programs of each program segment in the power outage range analysis system for distribution network faults may be stored in a memory of a computer device and executed by at least one processor to perform (see Figure 1 Description) The function of analyzing the power outage scope of distribution network faults.

[0109] In this embodiment, the power outage range analysis system for distribution network faults can be divided into multiple functional modules according to the functions it performs, such as Figure 2As shown. The functional modules of the system 200 may include: an information acquisition module 210 and a fault analysis module 220. The module referred to in the present invention refers to a series of computer program segments that can be executed by at least one processor and can complete fixed functions, which are stored in a memory. In this embodiment, the functions of each module will be described in detail in subsequent embodiments.

[0110] An information acquisition module is used to acquire planned maintenance application information in the OMS system, wherein the planned maintenance application information includes a power outage device ID;

[0111] The fault analysis module is used to analyze the scope of power outage caused by the fault based on the power outage equipment ID in the preset multi-source heterogeneous main equipment model, and obtain the power outage substation and the important load of the power outage.

[0112] Optionally, as an embodiment of the present invention, it further includes: a model building module;

[0113] The model building module is used to build a multi-source heterogeneous main device model;

[0114] The model building module includes:

[0115] An input device acquisition unit, used to acquire all devices for establishing a multi-source heterogeneous master device model, which are recorded as input devices;

[0116] A master device node list generating unit is used to use a preset connection relationship search function to search and group master devices in the input device to obtain a master device node list;

[0117] An adjacent node connection list generating unit, used to obtain an adjacent node connection list based on the input device and the main device node list and a preset connectivity identification function;

[0118] A multi-source heterogeneous master device model generating unit is used to obtain a multi-source heterogeneous master device model based on the master device node list and the neighbor node connection relationship. The nodes in the multi-source heterogeneous master device model include master device nodes N D 、Connection node N C and child node n S .

[0119] Optionally, as an embodiment of the present invention, the master device node list generating unit includes:

[0120] A first main device node list generating module, used for acquiring a set of all winding coils of the same main transformer in the input device, and establishing a first main device node list;

[0121] A second main device node list generation module is used to obtain the busbars directly connected through bus coupling and segmentation in the input device, and establish a second main device node list;

[0122] A third main device node list generation module is used to obtain all T-connected lines in the input device and all devices that are grouped separately, and establish a third main device node list;

[0123] The fourth main device node list generating module is used to obtain the devices that have no switches but only closed knife switches in the input devices, and establish the fourth main device node list;

[0124] The master device node list generating module is used to collect the first master device node list, the second master device node list, the third master device node list and the fourth master device node list into a master device node list.

[0125] Figure 3 The present invention is a schematic diagram of the structure of a terminal 300 provided in an embodiment of the present invention. The terminal 300 can be used to execute the method for analyzing the power outage range of a distribution network fault provided in an embodiment of the present invention.

[0126] The terminal 300 may include: a processor 310, a memory 320 and a communication unit 330. These components communicate via one or more buses. Those skilled in the art will appreciate that the server structure shown in the figure does not limit the present invention, and it may be a bus structure or a star structure, and may include more or fewer components than shown in the figure, or combine certain components, or arrange the components differently.

[0127] The memory 320 can be used to store the execution instructions of the processor 310, and the memory 320 can be implemented by any type of volatile or non-volatile storage terminal or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic disk or optical disk. When the execution instructions in the memory 320 are executed by the processor 310, the terminal 300 can perform some or all of the steps in the following method embodiments.

[0128] The processor 310 is the control center of the storage terminal, and uses various interfaces and lines to connect various parts of the entire electronic terminal. It runs or executes software programs and / or modules stored in the memory 320, and calls data stored in the memory to perform various functions of the electronic terminal and / or process data. The processor can be composed of an integrated circuit (IC), for example, it can be composed of a single packaged IC, or it can be composed of a plurality of packaged ICs with the same or different functions. For example, the processor 310 can include only a central processing unit (CPU). In the embodiment of the present invention, the CPU can be a single computing core or multiple computing cores.

[0129] The communication unit 330 is used to establish a communication channel so that the storage terminal can communicate with other terminals, receive user data sent by other terminals or send user data to other terminals.

[0130] The present invention also provides a computer storage medium, wherein the computer storage medium may store a program, and when the program is executed, the program may include some or all of the steps in each embodiment provided by the present invention. The storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM) or a random access memory (RAM).

[0131] Therefore, the present invention greatly improves work efficiency and reduces manual workload through the preset multi-source heterogeneous main device model, and realizes the connection of information and intelligent and automated analysis of data. When power problems occur, no manual recording is required, which solves the problems of poor timeliness and heavy workload. The technical effects that can be achieved by this embodiment can be found in the description above and will not be repeated here.

[0132] Those skilled in the art can clearly understand that the technology in the embodiments of the present invention can be implemented by means of software plus a necessary general hardware platform. Based on this understanding, the technical solution in the embodiments of the present invention, in essence or in other words, the part that contributes to the prior art, can be embodied in the form of a software product, which is stored in a storage medium such as a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a disk or an optical disk, and other media that can store program codes, including several instructions for enabling a computer terminal (which can be a personal computer, a server, or a second terminal, a network terminal, etc.) to perform all or part of the steps of the methods described in each embodiment of the present invention.

[0133] In this specification, the same or similar parts between the various embodiments can be referred to each other. In particular, for the terminal embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the description in the method embodiment.

[0134] In the several embodiments provided by the present invention, it should be understood that the disclosed systems and methods can be implemented in other ways. For example, the system embodiments described above are only schematic. For example, the division of the modules is only a logical function division. There may be other division methods in actual implementation, such as multiple modules or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of systems or modules, which can be electrical, mechanical or other forms.

[0135] The modules described as separate components may or may not be physically separated, and the components shown as modules may or may not be physical modules, that is, they may be located in one place or distributed on multiple network modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0136] In addition, each functional module in each embodiment of the present invention may be integrated into one processing module, or each module may exist physically separately, or two or more modules may be integrated into one module.

[0137] Although the present invention has been described in detail by referring to the accompanying drawings and in combination with the preferred embodiments, the present invention is not limited thereto. Without departing from the spirit and essence of the present invention, a person of ordinary skill in the art may make various equivalent modifications or substitutions to the embodiments of the present invention, and these modifications or substitutions shall be within the scope of the present invention. Any person skilled in the art who is familiar with the present technical field can easily think of changes or substitutions within the technical scope disclosed by the present invention, and all of these shall be within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be subject to the scope of protection of the claims.

Claims

1. A method for analyzing the power outage range of a distribution network fault, characterized in that: include: Obtaining planned maintenance application information in the OMS system, wherein the planned maintenance application information includes a power outage device ID; In the preset multi-source heterogeneous main equipment model, based on the power outage equipment ID, the power outage scope caused by the fault is analyzed to obtain the power outage substation and important loads.

2. The method according to claim 1, characterized in that: The method of establishing a multi-source heterogeneous master device model includes: Obtain all devices for building a multi-source heterogeneous master device model and record them as input devices; Use the preset connection relationship search function to search and group the main devices in the input devices to obtain a list of main device nodes; Based on the input device and the main device node list and the preset connectivity identification function, a neighbor node connection list is obtained; Based on the master device node list and the connection relationship between the neighboring nodes, a multi-source heterogeneous master device model is obtained. The nodes in the multi-source heterogeneous master device model include master device nodes N D 、Connection node N C and child node n S .

3. The method according to claim 2, characterized in that Use the preset connection relationship search function to search and group the main devices in the input devices to obtain a list of main device nodes, including: Obtain a set of all winding coils of the same main transformer in the input device, and establish a first main device node list; Obtain the busbars directly connected through bus coupling and segmentation in the input device, and establish a second main device node list; Obtain all T-connected lines in the input device and all devices that are grouped separately, and establish a third main device node list; Get the devices with no switches but only closed knife switches among the input devices, and establish the fourth main device node list; The first master device node list, the second master device node list, the third master device node list, and the fourth master device node list are collected into a master device node list.

4. The method according to claim 2, characterized in that: Based on the input device and the main device node list and the preset connectivity identification function, the adjacent node connection list is obtained, including steps Q1-Q3: Q1. Get the switch in the input device and traverse the main device node list based on the switch: If the switch is directly connected to the master device in the master device list, jump to step Q2; If the switch is directly connected to the knife switch, jump to step Q3; Q2. Get the master device in the master device list that the switch directly connects to, and establish a connection node list; Q3. Get the main device connected to the switch and create a list of switch subnodes; The connection node list and the switch node list are adjacent node connection lists.

5. The method according to claim 2, characterized in that: In the preset multi-source heterogeneous main equipment model, based on the power outage equipment ID, the power outage scope caused by the fault is analyzed to obtain the power outage substation and the power outage important load, including: Create a new initial power-off device list ListDevice, in which all power-off devices are pre-stored; create a new connection node list ListPass, which is used to record the analyzed devices; create a new terminal load device node list ListEndLoad, which is used to record the terminal load devices without connection nodes; Traverse all the powered-off device nodes in the initial powered-off device list ListDevice: Traverse the device nodes in the first initial power-off device list ListDevice; If the current device node traversed is not the initial power-off device, the current device node is skipped, and the connection nodes connected to the current device node are traversed, and a connection node list ListTempC is established based on the connection nodes connected to the current device node; If the connection node list ListTempC is empty, the current device node is an end load node, and it is added to the end load device node list ListEndLoad; Filter the nodes in ListTempC that have been recorded in ListPass and keep the nodes that have not been processed; Get the master device node list ListTempD connected in ListTempC; Traverse each master device node in ListTempD and add each node to the node list ListNode; Add the nodes in the connected node ListTempC to the ListDevice list; Extract the power outage substation ListStopStation and the power outage important load ListStopKeyLoad.

6. A power outage range analysis system for distribution network faults, characterized in that: include: An information acquisition module is used to acquire planned maintenance application information in the OMS system, wherein the planned maintenance application information includes a power outage device ID; The fault analysis module is used to analyze the scope of power outage caused by the fault based on the power outage equipment ID in the preset multi-source heterogeneous main equipment model, and obtain the power outage substation and the important load of the power outage.

7. The system according to claim 6, characterized in that Also includes: Model building module; The model building module is used to build a multi-source heterogeneous main device model; The model building module includes: An input device acquisition unit, used to acquire all devices for establishing a multi-source heterogeneous master device model, which are recorded as input devices; A master device node list generating unit is used to use a preset connection relationship search function to search and group master devices in the input device to obtain a master device node list; An adjacent node connection list generating unit, used to obtain an adjacent node connection list based on the input device and the main device node list and a preset connectivity identification function; A multi-source heterogeneous master device model generating unit is used to obtain a multi-source heterogeneous master device model based on the master device node list and the neighbor node connection relationship. The nodes in the multi-source heterogeneous master device model include master device nodes N D 、Connection node N C and child node n S .

8. The system according to claim 7, characterized in that The main device node list generation unit includes: A first main device node list generating module, used for acquiring a set of all winding coils of the same main transformer in the input device, and establishing a first main device node list; A second main device node list generation module is used to obtain the busbars directly connected through bus coupling and segmentation in the input device, and establish a second main device node list; A third main device node list generation module is used to obtain all T-connected lines in the input device and all devices that are grouped separately, and establish a third main device node list; The fourth main device node list generating module is used to obtain the devices without switches but only closed knife switches in the input devices, and establish the fourth main device node list; The master device node list generating module is used to collect the first master device node list, the second master device node list, the third master device node list and the fourth master device node list into a master device node list.

9. A terminal, characterized in that: include: A memory, used for storing a power outage range analysis program of a distribution network fault; A processor, configured to implement the steps of the method for analyzing the scope of power outage of a distribution network fault as described in any one of claims 1 to 5 when executing the program for analyzing the scope of power outage of a distribution network fault.

10. A computer-readable storage medium storing a computer program, characterized in that: The readable storage medium stores a power outage range analysis program for distribution network faults, and when the power outage range analysis program for distribution network faults is executed by a processor, the steps of the power outage range analysis method for distribution network faults as described in any one of claims 1-5 are implemented.

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