CN114139897A - Emergency response setting method for power grid fault system - Google Patents
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Abstract
The invention discloses an emergency response setting method of a power grid fault system, which comprises the following steps: collecting power grid fault information uploaded by a user side, dividing a user fault area based on the power grid fault information, and screening fault problems of a unified area; analyzing the solution of the fault by using a fault strategy analysis method of the decision tree, calculating the expected value of each solution strategy in the database, and selecting the optimal solution strategy; and carrying out emergency response processing on the power supply equipment in the area according to the optimal solution strategy. The invention ensures the continuous power supply of all users on the fault line, and when the regional fault occurs, the fault strategy analysis method of the decision tree is used for analyzing the fault solution, calculating the expected value of each solution strategy in the database, selecting the optimal solution strategy, providing the fault solution for maintenance personnel, and improving the working efficiency of fault maintenance.
Description
Technical Field
The invention relates to the technical field of power grid systems, in particular to an emergency response setting method of a power grid fault system.
Background
Along with the development of science and technology, the urban population increases, and the demand of people on the power utilization increases, and in case power supply system breaks down, will seriously influence people's daily work and life, but along with the increase of power utilization demand, also the requirement to the electric wire netting system is more and more strict, and in daily use, always the trouble problem appears, when the trouble takes place, how can in time supply power for the user, do not influence user's daily life? Therefore, a power grid emergency regulation system is established, and the existing emergency system comprises: the method can carry out all-dimensional and multi-dimensional information and resource allocation treatment on the whole situation of a power supply system, but has lower problem solving efficiency when a single area or position has a fault, and cannot quickly recover the power supply of a user.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above-mentioned conventional problems.
Therefore, the technical problem solved by the invention is as follows: when a single area or position has a fault in the prior art, the efficiency of solving the problem is low, and the power supply of a user cannot be quickly recovered.
In order to solve the technical problems, the invention provides the following technical scheme: collecting power grid fault information uploaded by a user side, dividing a user fault area based on the power grid fault information, and screening fault problems of a unified area; analyzing the solution of the fault by using a fault strategy analysis method of the decision tree, calculating the expected value of each solution strategy in the database, and selecting the optimal solution strategy; and carrying out emergency response processing on the power supply equipment in the area according to the optimal solution strategy.
As a preferable aspect of the method for setting an emergency response of a grid fault system according to the present invention, the method includes: and when the power supply line fails, the line valve port is connected with the solar battery to supply power to users in real time.
As a preferable aspect of the method for setting an emergency response of a grid fault system according to the present invention, the method includes: the decision tree network comprises 3 nodes which are respectively a fault node, a strategy node and a utility node.
As a preferable aspect of the method for setting an emergency response of a grid fault system according to the present invention, the method includes: the utility node is a utility function between the fault and the solution strategy, and is used for calculating expected values between each solution method and the fault occurrence type and judging the most appropriate method for solving the problem.
As a preferable aspect of the method for setting an emergency response of a grid fault system according to the present invention, the method includes: the fault node comprises the position of the fault, the influence range of the fault, the type of the fault equipment and the category to which the fault belongs.
As a preferable aspect of the method for setting an emergency response of a grid fault system according to the present invention, the method includes: the strategy node comprises relevant information of each fault and a corresponding solution strategy when the fault occurs in the last five years.
As a preferable aspect of the method for setting an emergency response of a grid fault system according to the present invention, the method includes: the utility functions of the utility nodes include,
EU(A|E)＝∑iP(RiT|E,A)U(RiT|A)
the method comprises the following steps that E is fault node information, U is a utility value, the value range is 0.7-0.9, A is a problem solving strategy, Ri is a fault type when an ith fault occurs, T is a fault equipment type, and P is a selection probability;
and calculating the expected value of the problem solving strategy in the fault database of the corresponding power supply line by using the utility function, and selecting the strategy with the highest expected value as a problem solving method.
As a preferable aspect of the method for setting an emergency response of a grid fault system according to the present invention, the method includes: the selection probability includes the number of the selected users,
wherein E isiFor the ith fault-related information, AiFor the failure resolution strategy, N is the number of the same failure type in the database.
The invention has the beneficial effects that: the invention ensures the continuous power supply of all users on the fault line, and when the regional fault occurs, the fault strategy analysis method of the decision tree is used for analyzing the fault solution, calculating the expected value of each solution strategy in the database, selecting the optimal solution strategy, providing the fault solution for maintenance personnel, and improving the working efficiency of fault maintenance.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is a basic flowchart of an emergency response setting method for a grid fault system according to an embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, specific embodiments accompanied with figures are described in detail below, and it is apparent that the described embodiments are a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making creative efforts based on the embodiments of the present invention, shall fall within the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" 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.
The present invention will be described in detail with reference to the drawings, wherein the cross-sectional views illustrating the structure of the device are not enlarged partially in general scale for convenience of illustration, and the drawings are only exemplary and should not be construed as limiting the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Meanwhile, in the description of the present invention, it should be noted that the terms "upper, lower, inner and outer" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation and operate, and thus, cannot be construed as limiting the present invention. Furthermore, the terms first, second, or third are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The terms "mounted, connected and connected" in the present invention are to be understood broadly, unless otherwise explicitly specified or limited, for example: can be fixedly connected, detachably connected or integrally connected; they may be mechanically, electrically, or directly connected, or indirectly connected through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
Referring to fig. 1, an embodiment of the present invention provides an emergency response setting method for a grid fault system, including:
s1: collecting power grid fault information uploaded by a user side, dividing user fault areas based on the power grid fault information, and screening fault problems of unified areas.
S2: and analyzing the solution of the fault by using a fault strategy analysis method of the decision tree, calculating the expected value of each solution strategy in the database, and selecting the optimal solution strategy.
S3: and carrying out emergency response processing on the power supply equipment in the region according to the optimal solution strategy.
The steps S1 to S3 specifically include:
when a power supply system fails, a power utilization user uploads a fault report to a power grid allocation system, user fault area information is obtained in the fault report, fault problems in the same area are screened, and fault emergency response processing is carried out; if only a single fault problem or a plurality of fault problems occur in a certain area, the fault time and the fault location are saved, maintenance personnel are dispatched to directly carry out maintenance treatment, and if a small number of fault reports exist in the same area every day in a week, emergency response treatment is carried out on the power supply equipment in the area.
And (4) processing emergency response, analyzing a solution strategy of the fault problem by adopting a decision network method, and analyzing a proper solution in a short time.
When the emergency treatment is carried out, each power supply line corresponds to an area power utilization user, a solar charging battery is connected to the valve port of each power supply line, the solar charging battery is used for daily electricity storage, when the power supply line breaks down, the valve port of the line is connected with the solar battery, the power can be supplied to the user timely, and time is provided for maintenance of the power supply line.
In the method, in order to improve the practicability of decision-making on each power supply line, a decision-making tree method is selected to analyze the problem of the power supply line, wherein the decision-making tree network used in the method comprises 3 nodes including fault nodes, strategy nodes and utility nodes, wherein the utility nodes are utility functions between the faults and the solution strategies, and expected values between each solution method and the fault occurrence type are calculated to judge the most appropriate method for solving the problems.
Wherein, the trouble node includes: fault related data information such as the position of fault occurrence, the influence range of the fault, the type of fault equipment, the category of the fault and the like; the strategy nodes comprise related information of each fault and a corresponding solution strategy when the fault occurs in the last five years, and the utility function of the utility nodes is represented by the following formula:
EU(A|E)＝∑iP(RiT|E,A)U(RiT|A)
wherein: e is fault node information, U is a utility value, the effective degree of a strategy for solving the problem generally depends on the relation between a power supply line and the problem solving effect, the value range is 0.7-0.9, A is a strategy for solving the problem, Ri is the fault type when the ith fault occurs, T is the fault equipment type, P is the selection probability, the strategy for solving the problem in a fault database corresponding to the power supply line is subjected to expected value calculation by utilizing a utility function, the strategy with the highest expected value is selected as a method for solving the problem, and a scheduling system distributes the method to maintenance personnel nearby the area to timely maintain the power supply fault.
Under the condition of one fault, the probability of solving the fault problem by each problem solving strategy is calculated by the following steps:
wherein: eiFor the ith fault-related information, AiFor the failure resolution strategy, N is the number of the same failure type in the database.
It should be noted that, when calculating the expected value, the fault data of each power supply network only calls the past strategy for solving the fault problem in the network database, and if the problem does not find a relevant solution in the corresponding database, the strategy database of all power supply lines is retrieved to find the strategy for solving the problem with the highest expected value.
The method comprises the steps of firstly dividing fault areas of users, and connecting the standby solar cell in time to supply power to the users when the area type faults occur, so that the continuous power supply of all the users on a fault line is ensured; and when regional faults occur, the fault strategy analysis method of the decision tree is used for analyzing the fault solution, the expected value of each solution strategy in the database is calculated, the optimal solution strategy is selected, the fault solution is provided for maintenance personnel, and the working efficiency of fault maintenance is improved.
Example 2
The embodiment is another embodiment of the present invention, which is different from the first embodiment, and provides a verification test of the emergency response setting method of the grid fault system, and in order to verify and explain the technical effects adopted in the method, the embodiment adopts a conventional technical scheme and the method of the present invention to perform a comparison test, and compares the test results by means of scientific demonstration to verify the true effects of the method.
The traditional technical scheme is as follows: when a single area or position has a fault in the prior art, the efficiency of solving the problem is low, and the power supply of a user cannot be quickly recovered. In order to verify that the method has higher problem solving efficiency compared with the conventional method, the conventional technical scheme and the method are adopted to carry out simulation experiments respectively, and the test results are shown in the following table.
Table 1: the experimental results are shown in a comparison table.
| Test specimen | Conventional methods | The method of the invention |
| Efficiency of | 88％ | 96％ |
| Accuracy of | 80％ | 98％ |
From the above table, it can be seen that the method of the present invention has stronger robustness compared to the conventional method.
It should be recognized that embodiments of the present invention can be realized and implemented by computer hardware, a combination of hardware and software, or by computer instructions stored in a non-transitory computer readable memory. The methods may be implemented in a computer program using standard programming techniques, including a non-transitory computer-readable storage medium configured with the computer program, where the storage medium so configured causes a computer to operate in a specific and predefined manner, according to the methods and figures described in the detailed description. Each program may be implemented in a high level procedural or object oriented programming language to communicate with a computer system. However, the program(s) can be implemented in assembly or machine language, if desired. In any case, the language may be a compiled or interpreted language. Furthermore, the program can be run on a programmed application specific integrated circuit for this purpose.
Further, the operations of processes described herein can be performed in any suitable order unless otherwise indicated herein or otherwise clearly contradicted by context. The processes described herein (or variations and/or combinations thereof) may be performed under the control of one or more computer systems configured with executable instructions, and may be implemented as code (e.g., executable instructions, one or more computer programs, or one or more applications) collectively executed on one or more processors, by hardware, or combinations thereof. The computer program includes a plurality of instructions executable by one or more processors.
Further, the method may be implemented in any type of computing platform operatively connected to a suitable interface, including but not limited to a personal computer, mini computer, mainframe, workstation, networked or distributed computing environment, separate or integrated computer platform, or in communication with a charged particle tool or other imaging device, and the like. Aspects of the invention may be embodied in machine-readable code stored on a non-transitory storage medium or device, whether removable or integrated into a computing platform, such as a hard disk, optically read and/or write storage medium, RAM, ROM, or the like, such that it may be read by a programmable computer, which when read by the storage medium or device, is operative to configure and operate the computer to perform the procedures described herein. Further, the machine-readable code, or portions thereof, may be transmitted over a wired or wireless network. The invention described herein includes these and other different types of non-transitory computer-readable storage media when such media include instructions or programs that implement the steps described above in conjunction with a microprocessor or other data processor. The invention also includes the computer itself when programmed according to the methods and techniques described herein. A computer program can be applied to input data to perform the functions described herein to transform the input data to generate output data that is stored to non-volatile memory. The output information may also be applied to one or more output devices, such as a display. In a preferred embodiment of the invention, the transformed data represents physical and tangible objects, including particular visual depictions of physical and tangible objects produced on a display.
As used in this application, the terms "component," "module," "system," and the like are intended to refer to a computer-related entity, either hardware, firmware, a combination of hardware and software, or software in execution. For example, a component may be, but is not limited to being: a process running on a processor, an object, an executable, a thread of execution, a program, and/or a computer. By way of example, both an application running on a computing device and the computing device can be a component. One or more components can reside within a process and/or thread of execution and a component can be localized on one computer and/or distributed between two or more computers. In addition, these components can execute from various computer readable media having various data structures thereon. The components may communicate by way of local and/or remote processes such as in accordance with a signal having one or more data packets (e.g., data from one component interacting with another component in a local system, distributed system, and/or across a network such as the internet with other systems by way of the signal).
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (8)
1. An emergency response setting method for a grid fault system is characterized by comprising the following steps:
collecting power grid fault information uploaded by a user side, dividing a user fault area based on the power grid fault information, and screening fault problems of a unified area;
analyzing the solution of the fault by using a fault strategy analysis method of the decision tree, calculating the expected value of each solution strategy in the database, and selecting the optimal solution strategy;
and carrying out emergency response processing on the power supply equipment in the area according to the optimal solution strategy.
2. The emergency response setting method of the grid fault system according to claim 1, wherein: and when the power supply line fails, the line valve port is connected with the solar battery to supply power to users in real time.
3. The emergency response setting method of the grid fault system according to claim 1, wherein: the decision tree network comprises 3 nodes which are respectively a fault node, a strategy node and a utility node.
4. The emergency response setting method of the grid fault system according to claim 3, characterized in that: the utility node is a utility function between the fault and the solution strategy, and is used for calculating expected values between each solution method and the fault occurrence type and judging the most appropriate method for solving the problem.
5. The emergency response setting method of the grid fault system according to claim 3, characterized in that: the fault node comprises the position of the fault, the influence range of the fault, the type of the fault equipment and the category to which the fault belongs.
6. The emergency response setting method of the grid fault system according to claim 3, characterized in that: the strategy node comprises relevant information of each fault and a corresponding solution strategy when the fault occurs in the last five years.
7. The method for setting the emergency response of the grid fault system according to any one of claims 1 and 3 to 4, wherein: the utility functions of the utility nodes include,
EU(A|E)＝∑iP(RiT|E,A)U(RiT|A)
the method comprises the following steps that E is fault node information, U is a utility value, the value range is 0.7-0.9, A is a problem solving strategy, Ri is a fault type when an ith fault occurs, T is a fault equipment type, and P is a selection probability;
and calculating the expected value of the problem solving strategy in the fault database of the corresponding power supply line by using the utility function, and selecting the strategy with the highest expected value as a problem solving method.
8. The emergency response setting method of the grid fault system according to claim 7, wherein: the selection probability includes the number of the selected users,
wherein E isiFor the ith fault-related information, AiFor the failure resolution strategy, N is the number of the same failure type in the database.
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