CN116384978A - Emergency plan analysis method based on power system accident chain - Google Patents

Emergency plan analysis method based on power system accident chain Download PDF

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Publication number
CN116384978A
CN116384978A CN202310417735.3A CN202310417735A CN116384978A CN 116384978 A CN116384978 A CN 116384978A CN 202310417735 A CN202310417735 A CN 202310417735A CN 116384978 A CN116384978 A CN 116384978A
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power system
accident
dimension
historical power
target
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袁太平
柯伟
洪巧章
吴勇
杜虎
高宁
罗旭升
李志豪
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Energy Development Research Institute of China Southern Power Grid Co Ltd
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    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
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Abstract

The application relates to the technical field of emergency treatment of power systems, and provides an emergency plan analysis method based on a power system accident chain, which can analyze each accident node of the power system accident chain in a multi-dimensional and multi-situation manner and is beneficial to generating a proper emergency plan. In the method, aiming at a target accident node on an accident chain of a power system to be analyzed, a plurality of situations under each dimension of the target accident node are determined; acquiring a plurality of historical power system accidents, and dividing the plurality of historical power system accidents into corresponding situations under each dimension of the target accident node according to the data of each historical power system accident; and analyzing the historical power system accidents of the corresponding situations in each dimension of the target accident node to obtain an emergency plan minimum unit corresponding to the corresponding situations in each dimension of the target accident node.

Description

Emergency plan analysis method based on power system accident chain
Technical Field
The present application relates to the field of emergency processing technologies of electric power systems, and in particular, to an emergency plan analysis method, an apparatus, a computer device, a storage medium, and a computer program product based on an electric power system accident chain.
Background
Faults in an electrical power system are typically caused by a series of accident events occurring in succession, and in order to better investigate the faults in the electrical power system, an electrical power system accident chain has occurred. However, in the conventional power system accident chain analysis, a mode of 'pre-in-event-post' is generally followed, and the mode is only used for analyzing accident performance, so that the help of adopting a proper emergency plan is not great for future accidents.
Disclosure of Invention
In view of the foregoing, it is desirable to provide a method, apparatus, computer device, storage medium, and computer program product for analyzing an emergency plan based on a power system accident chain.
The application provides an emergency plan analysis method based on an accident chain of a power system, which comprises the following steps:
determining a plurality of situations under each dimension of a target incident node on an electric power system incident chain to be analyzed;
acquiring a plurality of historical power system accidents, and dividing the plurality of historical power system accidents into corresponding situations under each dimension of the target accident node according to the data of each historical power system accident;
and analyzing the historical power system accidents of the corresponding situations in each dimension of the target accident node to obtain an emergency plan minimum unit corresponding to the corresponding situations in each dimension of the target accident node.
In one embodiment, when the dimension is temperature, dividing a plurality of historical power system incidents into respective cases in each dimension of the target incident node according to data of each historical power system incident, comprises:
acquiring temperature values of each historical power system when accidents occur;
and determining the temperature grade corresponding to each historical power system accident in a plurality of temperature grades in the temperature dimension according to the temperature value of each historical power system accident, and dividing each historical power system accident into corresponding temperature grades.
In one embodiment, when the dimension is wind speed, dividing a plurality of historical power system incidents into respective cases in each dimension of the target incident node according to the data of each historical power system incident, comprises:
acquiring wind speed values of each historical power system when accidents occur;
and determining the wind power grade corresponding to each historical power system accident in a plurality of wind power grades in the wind speed dimension according to the wind speed value when each historical power system accident occurs, and dividing each historical power system accident into corresponding wind power grades.
In one embodiment, when the dimension is a rainfall, dividing a plurality of historical power system incidents into respective cases in each dimension of the target incident node according to the data of each historical power system incident, including:
acquiring rainfall values of each historical power system when accidents occur;
and determining the rainfall level corresponding to each historical power system accident in a plurality of rainfall levels in the rainfall dimension according to the rainfall value of each historical power system accident, and dividing each historical power system accident into corresponding rainfall levels.
In one embodiment, the power system accident chain to be analyzed is caused by natural disasters or human causes.
In one embodiment, the accident nodes included in the accident chain of the power system to be analyzed are in turn: low temperature, rain and snow, power collapse, and rail shutdown.
The application provides an emergency plan analysis device based on power system accident chain, the device includes:
the situation processing module is used for determining a plurality of situations under each dimension of a target accident node aiming at the target accident node on the power system accident chain to be analyzed;
the dividing module is used for acquiring a plurality of historical power system accidents and dividing the plurality of historical power system accidents into corresponding situations under each dimension of the target accident node according to the data of each historical power system accident;
and the emergency plan acquisition module is used for analyzing the historical power system accidents of the corresponding situations in each dimension divided to the target accident node to obtain the emergency plan minimum unit corresponding to the corresponding situations in each dimension of the target accident node.
The present application provides a computer device comprising a memory storing a computer program and a processor executing the above method.
The present application provides a computer readable storage medium having stored thereon a computer program for execution by a processor of the above method.
The present application provides a computer program product having a computer program stored thereon, the computer program being executed by a processor to perform the above method.
In the emergency plan analysis method, the device, the computer equipment, the storage medium and the computer program product based on the power system accident chain, aiming at a target accident node on the power system accident chain to be analyzed, determining a plurality of situations under each dimension of the target accident node; acquiring a plurality of historical power system accidents, and dividing the plurality of historical power system accidents into corresponding situations under each dimension of the target accident node according to the data of each historical power system accident; the method comprises the steps of analyzing historical power system accidents of corresponding situations under each dimension of the target accident node to obtain an emergency plan minimum unit corresponding to the corresponding situations under each dimension of the target accident node, analyzing each accident node of a power system accident chain in a multi-dimension and multi-situation mode, generating corresponding emergency plan minimum units for different situations of each accident node under each dimension, and when accidents happen later, adopting the corresponding emergency plan minimum units to splice the emergency plan minimum units, so that the generation of a proper emergency plan is facilitated.
Drawings
FIG. 1 is a flow diagram of a method of emergency plan analysis based on a power system accident chain in one embodiment;
FIG. 2 is a schematic diagram of a power system fault chain in one embodiment;
FIG. 3 is a block diagram of an emergency plan analysis device based on a power system accident chain in one embodiment;
fig. 4 is an internal structural diagram of a computer device in one embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly understand that the embodiments described herein may be combined with other embodiments.
In one embodiment, as shown in fig. 1, there is provided an emergency plan analysis method based on an accident chain of a power system, which can be applied to a computer device, including the steps of:
step S101, aiming at a target accident node on an accident chain of a power system to be analyzed, determining a plurality of situations under each dimension of the target accident node.
Further, the power system accident chain to be analyzed may be caused by natural disasters or caused by human factors.
Furthermore, accident nodes included in the accident chain of the power system to be analyzed are sequentially as follows according to the development stage: low temperature, rain and snow, power collapse, and rail shutdown.
Still further, as shown in fig. 2, the accident nodes included in the accident chain of the power system to be analyzed are in turn: low temperature, rain and snow, power collapse, rail down, passenger retention and security.
The target incident node may be any of the incident nodes on the power system incident chain to be analyzed. The dimension may include temperature, wind speed, rain, etc., and if the incident node is a node describing that a corresponding incident is occurring on a certain power device, the dimension may also include the geographic location of the power device, whether it is a power device in an coastal region.
Each dimension can be divided into a number of cases, for example the temperature can be divided into: the conditions of high temperature, normal temperature, low temperature, etc., and for example, wind speed can be divided into: high wind speed, low wind speed, no wind and the like.
Step S102, a plurality of historical power system accidents are obtained, and the historical power system accidents are divided into corresponding situations under each dimension of the target accident node according to the data of each historical power system accident.
In this step, the historical power system accident is a power system accident that has occurred, and the data related to the power system at the time of occurrence may be used as the data of the historical power system accident, for example, the temperature, the wind speed, the rainfall, etc. of the area where the power system is located at the time of occurrence.
After obtaining the data of each historical power system accident, the historical power system accident can be divided into corresponding situations under each dimension of the target accident node, for example, when a certain historical power system accident happens, the temperature of the area where the power system is located is 33 ℃, and based on the temperature, the certain historical power system accident can be divided into high-temperature situations under the temperature of the target accident node.
Step S103, analyzing the historical power system accidents of the corresponding situations in each dimension divided to the target accident node to obtain an emergency plan minimum unit corresponding to the corresponding situations in each dimension of the target accident node.
In this step, after dividing the plurality of historical power system incidents into the corresponding situations in each dimension of the target incident node, the historical power system incidents in the corresponding situations in each dimension may be analyzed to obtain an emergency plan corresponding to the corresponding situations in each dimension.
After the division, a plurality of historical power system accidents belonging to the high-temperature situation can be obtained, the historical power system accidents are analyzed, and the obtained emergency plan is the minimum unit of the emergency plan corresponding to the high-temperature situation at the temperature.
According to the method and the system, multi-dimensional multi-situation analysis is carried out on each accident node of the power system accident chain, corresponding minimum units of the emergency plan are generated for different situations of each accident node in each dimension, when the accident happens subsequently, the corresponding minimum units of the emergency plan can be adopted, the minimum units of the emergency plan are spliced, and the generation of a proper emergency plan is facilitated.
In one embodiment, when the dimension is temperature, dividing the plurality of historical power system incidents into respective cases at each dimension of the target incident node according to the data of each historical power system incident, comprises: acquiring temperature values of each historical power system when accidents occur; and determining the temperature grade corresponding to each historical power system accident in a plurality of temperature grades in the temperature dimension according to the temperature value of each historical power system accident, and dividing each historical power system accident into corresponding temperature grades.
In this embodiment, for this dimension of temperature, the temperature may include a plurality of cases, that is, temperature levels, such as high temperature, normal temperature, low temperature. After obtaining the temperature values of each historical power system accident, the corresponding historical power system accidents can be classified into the corresponding temperature grades according to the temperature grade to which the temperature values belong.
In one embodiment, when the dimension is wind speed, dividing a plurality of historical power system incidents into respective cases in each dimension of the target incident node according to the data of each historical power system incident, comprises: acquiring wind speed values of each historical power system when accidents occur; and determining the wind power grade corresponding to each historical power system accident in a plurality of wind power grades in the wind speed dimension according to the wind speed value when each historical power system accident occurs, and dividing each historical power system accident into corresponding wind power grades.
In this embodiment, the wind speed may include a plurality of situations, i.e., wind levels, such as strong wind, weak wind, no wind, for this dimension of the wind speed. After obtaining the wind speed value of each historical power system accident, the corresponding historical power system accident can be classified into the corresponding wind power grade according to the wind power grade to which the wind speed value belongs.
In one embodiment, when the dimension is a rainfall, dividing a plurality of historical power system incidents into respective cases in each dimension of the target incident node according to the data of each historical power system incident, including: acquiring rainfall values of each historical power system when accidents occur; and determining the rainfall level corresponding to each historical power system accident in a plurality of rainfall levels in the rainfall dimension according to the rainfall value of each historical power system accident, and dividing each historical power system accident into corresponding rainfall levels.
In this embodiment, the rainfall may include a plurality of situations, i.e., rainfall levels, such as heavy rain, light rain, and no rain, for this dimension of rainfall. After obtaining the rainfall value of each historical power system accident, the corresponding historical power system accident can be divided into corresponding rainfall levels according to the rainfall level to which the rainfall value belongs.
It should be understood that, although the steps in the flowcharts related to the embodiments described above are sequentially shown as indicated by arrows, these steps are not necessarily sequentially performed in the order indicated by the arrows. The steps are not strictly limited to the order of execution unless explicitly recited herein, and the steps may be executed in other orders. Moreover, at least some of the steps in the flowcharts described in the above embodiments may include a plurality of steps or a plurality of stages, which are not necessarily performed at the same time, but may be performed at different times, and the order of the steps or stages is not necessarily performed sequentially, but may be performed alternately or alternately with at least some of the other steps or stages.
In one embodiment, as shown in fig. 3, there is provided an emergency plan analysis apparatus based on an accident chain of a power system, including:
the situation processing module 301 is configured to determine, for a target incident node on an electric power system incident chain to be analyzed, a plurality of situations in each dimension of the target incident node;
the dividing module 302 is configured to obtain a plurality of historical power system incidents, and divide the plurality of historical power system incidents into corresponding situations under each dimension of the target incident node according to data of each historical power system incident;
the emergency plan obtaining module 303 is configured to analyze historical power system incidents of the corresponding situation in each dimension divided into the target incident node, and obtain an emergency plan minimum unit corresponding to the corresponding situation in each dimension of the target incident node.
In one embodiment, when the dimension is temperature, the dividing module 302 is further configured to obtain a temperature value of each historical power system accident occurrence; and determining the temperature grade corresponding to each historical power system accident in a plurality of temperature grades in the temperature dimension according to the temperature value of each historical power system accident, and dividing each historical power system accident into corresponding temperature grades.
In one embodiment, when the dimension is wind speed, the dividing module 302 is further configured to obtain a wind speed value when each historical power system accident occurs; and determining the wind power grade corresponding to each historical power system accident in a plurality of wind power grades in the wind speed dimension according to the wind speed value when each historical power system accident occurs, and dividing each historical power system accident into corresponding wind power grades.
In one embodiment, when the dimension is a rainfall, the dividing module 302 is further configured to obtain a rainfall value when each historical power system accident occurs; and determining the rainfall level corresponding to each historical power system accident in a plurality of rainfall levels in the rainfall dimension according to the rainfall value of each historical power system accident, and dividing each historical power system accident into corresponding rainfall levels.
In one embodiment, the power system accident chain to be analyzed is caused by natural disasters or human causes.
In one embodiment, the accident nodes included in the accident chain of the power system to be analyzed are in turn: low temperature, rain and snow, power collapse, and rail shutdown.
For specific limitations on the emergency plan analysis device based on the power system accident chain, reference may be made to the above limitation on the emergency plan analysis method based on the power system accident chain, and no further description is given here. The modules in the emergency plan analysis device based on the power system accident chain can be fully or partially realized by software, hardware and a combination thereof. The above modules may be embedded in hardware or may be independent of a processor in the computer device, or may be stored in software in a memory in the computer device, so that the processor may call and execute operations corresponding to the above modules.
In one embodiment, a computer device is provided, the internal structure of which may be as shown in FIG. 4. The computer device includes a processor, a memory, and a network interface connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, computer programs, and a database. The internal memory provides an environment for the operation of the operating system and computer programs in the non-volatile storage media. The database of the computer device is used for storing emergency plan analysis data based on the power system accident chain. The network interface of the computer device is used for communicating with an external terminal through a network connection. The computer equipment also comprises an input/output interface, wherein the input/output interface is a connecting circuit for exchanging information between the processor and the external equipment, and the input/output interface is connected with the processor through a bus and is called as an I/O interface for short. The computer program, when executed by the processor, implements a method for emergency plan analysis based on a power system accident chain.
Those skilled in the art will appreciate that the structures shown in FIG. 4 are block diagrams only and do not constitute a limitation of the computer device on which the present aspects apply, and that a particular computer device may include more or less components than those shown, or may combine some of the components, or have a different arrangement of components.
In one embodiment, a computer device is provided, comprising a memory storing a computer program and a processor implementing the steps of the method embodiments described above when the processor executes the computer program.
In one embodiment, a computer-readable storage medium is provided, on which a computer program is stored which, when executed by a processor, carries out the steps of the respective method embodiments described above.
In one embodiment, a computer program product is provided, on which a computer program is stored, which computer program is executed by a processor for performing the steps of the various method embodiments described above.
Those skilled in the art will appreciate that implementing all or part of the above-described methods may be accomplished by way of a computer program stored on a non-transitory computer readable storage medium, which when executed may comprise the steps of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in embodiments provided herein may include at least one of non-volatile and volatile memory. The nonvolatile Memory may include Read-Only Memory (ROM), magnetic tape, floppy disk, flash Memory, optical Memory, or the like. Volatile memory can include random access memory (Random Access Memory, RAM) or external cache memory. By way of illustration, and not limitation, RAM can be in the form of a variety of forms, such as static random access memory (Static Random Access Memory, SRAM) or dynamic random access memory (Dynamic Random Access Memory, DRAM), and the like.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples represent only a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the invention. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.

Claims (10)

1. An emergency plan analysis method based on an accident chain of a power system, the method comprising:
determining a plurality of situations under each dimension of a target incident node on an electric power system incident chain to be analyzed;
acquiring a plurality of historical power system accidents, and dividing the plurality of historical power system accidents into corresponding situations under each dimension of the target accident node according to the data of each historical power system accident;
and analyzing the historical power system accidents of the corresponding situations in each dimension of the target accident node to obtain an emergency plan minimum unit corresponding to the corresponding situations in each dimension of the target accident node.
2. The method of claim 1, wherein partitioning a plurality of historical power system incidents into respective scenarios in each dimension of the target incident node according to data of each historical power system incident when the dimension is temperature comprises:
acquiring temperature values of each historical power system when accidents occur;
and determining the temperature grade corresponding to each historical power system accident in a plurality of temperature grades in the temperature dimension according to the temperature value of each historical power system accident, and dividing each historical power system accident into corresponding temperature grades.
3. The method of claim 1, wherein when the dimension is wind speed, dividing a plurality of historical power system incidents into respective scenarios in each dimension of the target incident node according to data of each historical power system incident, comprises:
acquiring wind speed values of each historical power system when accidents occur;
and determining the wind power grade corresponding to each historical power system accident in a plurality of wind power grades in the wind speed dimension according to the wind speed value when each historical power system accident occurs, and dividing each historical power system accident into corresponding wind power grades.
4. The method of claim 1, wherein when the dimension is a rain amount, dividing a plurality of historical power system incidents into respective scenarios in each dimension of the target incident node according to data of each historical power system incident, comprises:
acquiring rainfall values of each historical power system when accidents occur;
and determining the rainfall level corresponding to each historical power system accident in a plurality of rainfall levels in the rainfall dimension according to the rainfall value of each historical power system accident, and dividing each historical power system accident into corresponding rainfall levels.
5. The method according to claim 1, wherein the power system accident chain to be analyzed is caused by natural disasters or by human causes.
6. The method according to claim 5, wherein the power system accident chain to be analyzed comprises accident nodes in the following order according to the development stage: low temperature, rain and snow, power collapse, and rail shutdown.
7. An emergency plan analysis device based on an accident chain of an electric power system, characterized in that the device comprises:
the situation processing module is used for determining a plurality of situations under each dimension of a target accident node aiming at the target accident node on the power system accident chain to be analyzed;
the dividing module is used for acquiring a plurality of historical power system accidents and dividing the plurality of historical power system accidents into corresponding situations under each dimension of the target accident node according to the data of each historical power system accident;
and the emergency plan acquisition module is used for analyzing the historical power system accidents of the corresponding situations in each dimension divided to the target accident node to obtain the emergency plan minimum unit corresponding to the corresponding situations in each dimension of the target accident node.
8. A computer device comprising a memory and a processor, the memory storing a computer program, characterized in that the processor implements the method of any one of claims 1 to 6 when executing the computer program.
9. A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the method of any one of claims 1 to 6.
10. A computer program product comprising a computer program, characterized in that the computer program, when executed by a processor, implements the method of any one of claims 1 to 6.
CN202310417735.3A 2023-04-18 2023-04-18 Emergency plan analysis method based on power system accident chain Pending CN116384978A (en)

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Application Number Priority Date Filing Date Title
CN202310417735.3A CN116384978A (en) 2023-04-18 2023-04-18 Emergency plan analysis method based on power system accident chain

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Application Number Priority Date Filing Date Title
CN202310417735.3A CN116384978A (en) 2023-04-18 2023-04-18 Emergency plan analysis method based on power system accident chain

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