A power safety early warning analysis method and system

Abstract

The application relates to the technical field of power system operation and maintenance, in particular to a power safety early warning analysis method and system, which acquires power safety early warning analysis basic data; when the power system is abnormal, data collection of the data collection and monitoring branch node is continuously carried out; if data of the data collection and monitoring branch node is abnormal, the data collection and monitoring branch node is determined as a fault point. The global power detection node is constructed by known power detection information, data of normal operation states of all nodes are collected, when a fault anomaly occurs, data of all nodes are collected and compared with data of normal operation states of all nodes, so that an analysis result of whether the nodes are normal or not is obtained, if the nodes are abnormal, the position and equipment of the fault can be determined in the fault state of the power system, and the problem that the existing fault analysis method cannot analyze the fault through a knowledge base and a model and results in a large error of the analysis result is solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of power system operation and maintenance, and particularly relates to a power safety early warning analysis method and system. BACKGROUND

[0002] Power safety early warning analysis can be divided into static and dynamic types. Static power safety early warning analysis is based on the stable state of the power system to analyze the safety of the system. Dynamic power safety early warning analysis fully considers the dynamic characteristics of the system, considers the system response under various possible fault conditions, and analyzes their safety.

[0003] Dynamic power safety early warning analysis is an analysis and evaluation of the dynamic characteristics of the power system once a fault occurs, to judge the safety of the power system. The existing dynamic power safety early warning analysis usually establishes a system model, obtains data generated in the electrical safety detection process, and analyzes the obtained data to ensure stable operation of the power system. The system model is established to evaluate the dynamic characteristics of the system under various different working environments, and the model provides analysis data support through the knowledge base and the model.

[0004] In the actual use of the existing power safety early warning analysis process, it is found that the type of fault cannot be obtained in the process of detecting the fault due to the breakage of the communication path of the power system after the fault occurs in the power system, so that the power system cannot obtain complete fault data. In the case where complete fault data cannot be obtained, the existing fault analysis method cannot analyze the fault through the knowledge base and the model, resulting in large error of the analysis result. In order to solve this problem, a power safety early warning analysis method and system are developed. SUMMARY

[0005] The purpose of the present application is to provide a power safety early warning analysis method and system to solve the problem that the existing fault analysis method cannot analyze the fault through the knowledge base and the model, resulting in large error of the analysis result.

[0006] In a first aspect, the present application provides a power safety early warning analysis method, comprising:

[0007] Obtaining power safety early warning analysis basic data, the power safety early warning analysis basic data including power safety early warning analysis equipment information, power safety early warning analysis equipment location information and power safety early warning analysis preset analysis strategy;

[0008] Extracting the power safety analysis sequence feature in the power safety early warning analysis preset analysis strategy to obtain the power safety analysis path feature;

[0009] The power safety analysis path feature is matched with the power installation early warning analysis device information and the power safety early warning analysis device location information to obtain power safety analysis overall scheme information;

[0010] A power safety analysis global node is generated according to the power safety analysis overall scheme information, and a data collection monitoring branch node is established at the global node;

[0011] Data collection is performed on the data collection monitoring branch node in the normal operation state of the power system, and the collected data is used as standard data; when the power system is abnormal, data collection is continuously performed on the data collection monitoring branch node, and if there is data anomaly in the data collection monitoring branch node, it is determined as a fault point.

[0012] Further, the power safety analysis sequence feature in the power safety early warning analysis preset analysis strategy is extracted to obtain a power safety analysis path feature, including:

[0013] The power safety analysis sequence feature in the power safety early warning analysis preset analysis strategy is extracted to obtain a power safety analysis path;

[0014] The power safety analysis path is marked, and the power safety analysis path marking result is counted;

[0015] The power safety early warning analysis preset analysis strategy is matched with the power safety analysis path marking to obtain the power safety analysis path feature.

[0016] Further, the power safety analysis path feature is matched with the power installation early warning analysis device information and the power safety early warning analysis device location information to obtain power safety analysis overall scheme information, including:

[0017] The power safety analysis path feature is matched with the power installation early warning analysis device information, the matching result is stored and then used for matching with the power safety early warning analysis device location information;

[0018] The matching result obtained by matching the power safety analysis path feature with the power installation early warning analysis device information and the power safety early warning analysis device location information is subjected to data clustering analysis to obtain power safety analysis overall scheme information.

[0019] Further, a power safety analysis global node is generated according to the power safety analysis overall scheme information, and a data collection monitoring branch node is established at the global node, including:

[0020] A power safety analysis global node is generated according to the power safety analysis overall scheme information;

[0021] The global node is matched with the corresponding power equipment, and the global node is divided according to the power equipment position;

[0022] Data acquisition monitoring branch nodes are established at the global node to continuously acquire data.

[0023] In the second aspect, a power safety early warning analysis system comprises a server end, a user end and a background control end, the server end is in communication connection with the user end and the background control end;

[0024] The server end acquires power safety early warning analysis basic data, the power safety early warning analysis basic data comprises power safety early warning analysis equipment information, power safety early warning analysis equipment position information and power safety early warning analysis preset analysis strategy, the power safety analysis sequence features in the power safety early warning analysis preset analysis strategy are extracted to obtain power safety analysis path features, the power safety analysis path features are matched with the power installation early warning analysis equipment information and the power safety early warning analysis equipment position information to obtain power safety analysis global scheme information, the power safety analysis global nodes are generated according to the power safety analysis global scheme information, data acquisition monitoring branch nodes are established at the global nodes, data acquisition monitoring branch nodes in the power system in a normal operating state are acquired, the acquired data are used as standard data, when the power system is abnormal, data acquisition monitoring branch nodes are continuously acquired, if data acquisition monitoring branch nodes have data abnormalities, the data acquisition monitoring branch nodes are determined as fault points, and the server end transmits the fault point information to the user end.

[0025] The power safety early warning analysis method and system provided by the application acquire power safety early warning analysis basic data, the power safety early warning analysis basic data comprises power safety early warning analysis equipment information, power safety early warning analysis equipment position information and power safety early warning analysis preset analysis strategy, the power safety analysis sequence features in the power safety early warning analysis preset analysis strategy are extracted to obtain power safety analysis path features, data acquisition monitoring branch nodes in the power system in a normal operating state are acquired, the acquired data are used as standard data, when the power system is abnormal, data acquisition monitoring branch nodes are continuously acquired, if data acquisition monitoring branch nodes have data abnormalities, the data acquisition monitoring branch nodes are determined as fault points. By constructing global power detection nodes from known power detection information, the data of normal operating states of each node are acquired, when a fault anomaly occurs, the data of each node are acquired and compared with the data of each node in a normal operating state to obtain a comparison result to determine the fault point, and the effect of determining the fault point in the case that the global complete data of the power system cannot be acquired when the power system fails is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. Obviously, for those skilled in the art, other drawings can also be obtained from these drawings without any creative labor.

[0027] Figure 1 The present application provides an electric power safety early warning analysis method and system flow diagram. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solutions and advantages of the present application more clear, the following will combine the specific embodiments of the present application and the corresponding drawings to clearly and completely describe the technical solutions of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without any creative labor are within the scope of protection of the present application. The following will combine the drawings to specifically describe the technical solutions provided by the embodiments of the present application.

[0029] Please refer to Figure 1 , the first aspect, the present application provides an electric power safety early warning analysis method and system, comprising;

[0030] In S101 step, the electric power safety early warning analysis basic data is obtained, the electric power safety early warning analysis basic data includes electric power safety early warning analysis equipment information, electric power safety early warning analysis equipment position information and electric power safety early warning analysis preset analysis strategy;

[0031] In S102 step, the electric power safety analysis sequence characteristics in the electric power safety early warning analysis preset analysis strategy are extracted, and the electric power safety analysis path characteristics are obtained;

[0032] In S103 step, the electric power safety analysis path characteristics are matched with the electric power installation early warning analysis equipment information and the electric power safety early warning analysis equipment position information, and the electric power safety analysis whole scheme information is obtained;

[0033] The electric power equipment, the electric power equipment position and the electric power safety analysis path, that is, the sequence of the electric power equipment detection equipment, are matched, and after the global node is established in the next step, the branch node can be determined through this data.

[0034] In S104 step, the electric power safety analysis global node is generated according to the electric power safety analysis whole scheme information, and the data acquisition monitoring branch node is established at the global node;

[0035] The power system overall node is constructed first, then the node is constructed according to the power equipment and the position, and then the data of the node is continuously collected.

[0036] In the step S105, the data of the data collection and monitoring branch node in the normal operation state of the power system is collected, and the collected data is taken as standard data; when the power system is abnormal, the data of the data collection and monitoring branch node is continuously collected, and if the data of the data collection and monitoring branch node is abnormal, it is determined that the node is a fault point.

[0037] The global power detection node is constructed by the known power detection information, the data of the normal operation state of each node is collected, when the fault is abnormal, the data of each node is collected and compared with the data of the normal operation state of each node, so that the analysis result of whether the node is normal is obtained, if the node is abnormal, the position and equipment of the fault can be determined in the fault state of the power system, and the problem that the existing fault analysis method cannot analyze the fault through the knowledge base and the model and leads to large error of the analysis result is solved.

[0038] Specifically, the power safety analysis sequence feature in the preset analysis strategy of the power safety early warning analysis is extracted to obtain a power safety analysis path feature, including;

[0039] The power safety analysis sequence feature in the preset analysis strategy of the power safety early warning analysis is extracted to obtain a power safety analysis path;

[0040] The power safety analysis path is marked, and the power safety analysis path marking result is counted;

[0041] The power safety analysis path feature is matched with the power safety early warning analysis device information and the power safety early warning analysis device position information to obtain power safety analysis overall scheme information, including;

[0042] Specifically, the power safety analysis path feature is matched with the power safety early warning analysis device information and the power safety early warning analysis device position information to obtain power safety analysis overall scheme information, including;

[0043] The power safety analysis path feature is matched with the power safety early warning analysis device information and the power safety early warning analysis device position information to obtain power safety analysis overall scheme information, including;

[0044] The power safety analysis path feature is matched with the power safety early warning analysis device information and the power safety early warning analysis device position information to obtain power safety analysis overall scheme information.

[0045] Specifically, generating a power safety analysis global node according to the power safety analysis overall scheme information, establishing a data collection and monitoring branch node at the global node, including;

[0046] Generating a power safety analysis global node according to the power safety analysis overall scheme information;

[0047] Establishing a matching relationship between the global node and the corresponding power equipment, and dividing the global node according to the power equipment position;

[0048] Establishing a data collection and monitoring branch node at the global node for continuous data collection.

[0049] Secondly, a power safety early warning analysis system, comprising: a server end, a user end and a background control end, the server end and the user end and the background control end establish communication connection;

[0050] The server end obtains power safety early warning analysis basic data, the power safety early warning analysis basic data includes power safety early warning analysis equipment information, power safety early warning analysis equipment position information and power safety early warning analysis preset analysis strategy, extracts the power safety analysis sequence characteristics in the power safety early warning analysis preset analysis strategy to obtain the power safety analysis path characteristics, matches the power safety analysis path characteristics with the power installation early warning analysis equipment information and the power safety early warning analysis equipment position information to obtain the power safety analysis overall scheme information, generates a power safety analysis global node according to the power safety analysis overall scheme information, establishes a data collection and monitoring branch node at the global node, collects data of the data collection and monitoring branch node in the normal operation state of the power system, collects the collected data as standard data, when the power system is abnormal, continuously collects data of the data collection and monitoring branch node, if there is data anomaly in the data collection and monitoring branch node, it is determined as a fault point, and the server end transmits the fault point information to the user end.

[0051] The technical scheme disclosed by the application is a power safety early warning analysis method and system, basic data for power safety early warning analysis is acquired, the basic data for power safety early warning analysis includes power safety early warning analysis device information, power safety early warning analysis device position information and a preset analysis strategy for power safety early warning analysis, power safety analysis sequence features in the preset analysis strategy for power safety early warning analysis are extracted to obtain power safety analysis path features, the power safety analysis path features are matched with the power installation early warning analysis device information and the power safety early warning analysis device position information to obtain power safety analysis full scheme information, a power safety analysis full domain node is generated according to the power safety analysis full scheme information, a data acquisition and monitoring branch node is established at the full domain node, data acquisition is performed on the data acquisition and monitoring branch node in the power system in a normal operating state, the acquired data is used as standard data, when the power system is abnormal, data acquisition is continuously performed on the data acquisition and monitoring branch node, and if data of the data acquisition and monitoring branch node is abnormal, a fault point is determined. The known power detection information is used to construct a full-domain power detection node, data in a normal operating state of each node is acquired, when a fault anomaly occurs, data of each node is acquired and compared with data in a normal operating state of each node, so that an analysis result of whether each node is normal is obtained, if each node is abnormal, the position and equipment of the fault can be determined in the fault state of the power system, and the problem that the existing fault analysis method cannot perform fault analysis through a knowledge base and a model and results in a large error of an analysis result is solved.

[0052] Those skilled in the art can clearly understand that the technology in the embodiments of the application can be realized by means of software and necessary general hardware platforms. Based on such understanding, the technical solutions in the embodiments of the application can be embodied in the form of a software product, and the computer software product can be stored in a storage medium, such as a ROM / RAM, a magnetic disk, an optical disk, etc., and includes a plurality of instructions for causing a computer device (which can be a personal computer, a server, or a network device, etc.) to execute the method described in the embodiments of the application or some parts of the embodiments. The above-described embodiments of the application do not constitute a limitation on the protection scope of the application.

Claims

1. A power safety early warning analysis method, characterized in that, Comprising; Obtaining power safety early warning analysis basic data, the power safety early warning analysis basic data including power safety early warning analysis equipment information, power safety early warning analysis equipment position information and power safety early warning analysis preset analysis strategy; Extracting the power safety analysis sequence feature in the power safety early warning analysis preset analysis strategy, obtaining the power safety analysis path feature; Matching the power safety analysis path feature with the power installation early warning analysis equipment information and the power safety early warning analysis equipment position information, obtaining the power safety analysis full scheme information; Generating the power safety analysis global node according to the power safety analysis full scheme information, establishing the data acquisition monitoring branch node at the global node; Collecting data at the data acquisition monitoring branch node in the power system under normal operating state, taking the collected data as standard data, when the power system is abnormal, continuously collecting data at the data acquisition monitoring branch node, if there is data anomaly at the data acquisition monitoring branch node, determining it as a fault point; Extracting the power safety analysis sequence feature in the power safety early warning analysis preset analysis strategy, obtaining the power safety analysis path feature, comprising; Extracting the power safety analysis sequence feature in the power safety early warning analysis preset analysis strategy, obtaining the power safety analysis path; Marking the power safety analysis path and counting the power safety analysis path marking result; Matching the power safety early warning analysis preset analysis strategy with the power safety analysis path marking, obtaining the power safety analysis path feature; Matching the power safety analysis path feature with the power installation early warning analysis equipment information and the power safety early warning analysis equipment position information, obtaining the power safety analysis full scheme information, comprising; Matching the power safety analysis path feature with the power installation early warning analysis equipment information, storing the matching result and then matching it with the power safety early warning analysis equipment position information; Performing data cluster analysis on the matching result obtained by matching the power safety analysis path feature with the power installation early warning analysis equipment information and the power safety early warning analysis equipment position information, obtaining the power safety analysis full scheme information; Generating the power safety analysis global node according to the power safety analysis full scheme information, establishing the data acquisition monitoring branch node at the global node, comprising; Generating the power safety analysis global node according to the power safety analysis full scheme information; Establishing matching relationship between the global node and the corresponding power equipment, dividing the global node according to the power equipment position; Establishing the data acquisition monitoring branch node at the global node for continuous data collection.

2. A power safety early warning analysis system applied to the power safety early warning analysis method of claim 1, characterized in that, Comprising; Server end, user end and background control end, the server end and the user end and background control end establish communication connection; The server end obtains power safety early warning analysis basic data, the power safety early warning analysis basic data includes power safety early warning analysis equipment information, power safety early warning analysis equipment position information and power safety early warning analysis preset analysis strategy, extracts power safety analysis sequence characteristics in the power safety early warning analysis preset analysis strategy, obtains power safety analysis path characteristics, matches the power safety analysis path characteristics with the power installation early warning analysis equipment information and power safety early warning analysis equipment position information, obtains power safety analysis whole scheme information, generates power safety analysis whole domain node according to the power safety analysis whole scheme information, establishes data acquisition monitoring branch node at the whole domain node, carries out data acquisition to the data acquisition monitoring branch node in the power system under normal operating state, takes the collected data as standard data, when the power system is in an abnormal state, then continuously carries out data acquisition to the data acquisition monitoring branch node, if data acquisition monitoring branch node exists data anomaly, then determines as a fault point, the server end transmits the fault point information to the user end.

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