CN113256272A - Fine evaluation system for power equipment - Google Patents
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Abstract
The invention discloses a refined evaluation system of power equipment, which comprises a task management level, an information collection level, an information evaluation level and a conclusion display level; the task management level sends the work tasks of live detection work, routine tests and special handover tests to the next level by depending on the power production management system; the information collection level requires a field worker to upload data to an operation terminal through a field detection instrument, and then the data are uploaded to each sub-module through the operation terminal; the information evaluation level analyzes and confirms the preliminary analysis report of the defect/fault analysis module or the refined evaluation management module through a manager and an expert team; and the conclusion display level displays a power transformation/direct current/power transmission operation and inspection decision, a technical improvement and overhaul decision, a panoramic display summarized by annual statistical analysis, a refined evaluation report and a defect/fault analysis report through the user terminal. The evaluation system is strong in practicability and has great popularization and application values.
Description
Technical Field
The invention belongs to the technical field of power distribution networks, particularly relates to the field of power equipment state maintenance, and particularly relates to a power equipment refined evaluation system.
Background
The normal operation of the power equipment is an important guarantee for ensuring the stable and continuous operation of the power system, and the making of the maintenance strategy of the power system needs to make a comprehensive decision according to the current state of the power equipment and the relative importance of the equipment in the power system. In order to comprehensively master the running state of the power equipment, finely analyze the existing problems of the equipment and improve the intrinsic safety level of the equipment, a power equipment management unit formulates and increases a finely evaluated state quantity on the basis of state evaluation work through advanced experiences of research equipment manufacturers and other units, the state of the substation equipment is divided into a plurality of grades again according to the increased weighted state quantity, and differential operation and maintenance measures are provided for C + and the following equipment. The device state fine evaluation work has great significance for the company to improve the intrinsic safety level and realize the lean management of the device, and is mainly reflected in that: the operation and maintenance unit is facilitated to accurately make maintenance strategies, and the operation and maintenance unit is an important gripper for strengthening lean operation and maintenance and lean maintenance of each unit; secondly, the system can help the operation and maintenance unit to improve the precision of the technical improvement and overhaul project and provide important reference for the operation and maintenance unit to carry out the technical improvement and overhaul management work; and thirdly, the method creates advantages for each unit to accurately master the equipment state and implement the responsibility of the equipment owner, and is also an important implementation means for deepening the whole life cycle management of the assets and improving the quality and efficiency of the equipment management and control of the company.
At present, the following problems mainly exist in the fine evaluation of the power equipment: (1) various power equipment application systems such as power transformation, direct current and power transmission have a large amount of data and a large number of data types, the data arrangement workload is large, the collection and summarization work is complicated, and the accuracy and the integrity of the data are difficult to ensure; (2) the association system between the data is not researched, only a conclusion whether the power equipment needs to be overhauled can be given, and the specific defects and weak links of the power equipment cannot be intuitively reflected, so that the direction is indicated for scientific overhaul; (3) the data is lack of analysis accumulation and unified database storage and analysis, and the original mode has the defects of poor data normalization, incapability of conveniently filing, statistical analysis and the like of measurement results; (4) the utilization rate of information is low, and the utilization rate of various information such as charged detection, online monitoring, equipment inspection, test example, operation working condition and the like for equipment refinement state evaluation is low; (5) expert resources are scarce, the level of field personnel is uneven, and the defect/fault diagnosis is not professional enough.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to provide a power equipment refinement evaluation system. The evaluation system can realize fine evaluation early-stage detection and information input of the power equipment, medium-stage information collection and analysis and overall fine evaluation of the later-stage equipment, is high in practicability when used for fine evaluation work of the power equipment, and has great popularization and application values.
In order to achieve the purpose, the invention adopts the following technical scheme:
a refined evaluation system of electric power equipment comprises a task management level, an information collection level, an information evaluation level and a conclusion display level, wherein the task management level comprises the following steps:
the task management level sends the work tasks of live detection work, routine tests and special handover tests to the information collection level by depending on the power production management system;
the information collection level requires a field worker to upload data to the operation terminal through a field detection instrument, and then the data are uploaded to each management submodule through the operation terminal;
the information evaluation level further analyzes and confirms the preliminary analysis report of the defect/fault analysis module or the refined evaluation management module through a manager and an expert team;
and the conclusion display level displays a power transformation/direct current/power transmission operation and inspection decision, a technical improvement and overhaul decision, a panoramic display summarized by annual statistical analysis, a refined evaluation report and a defect/fault analysis report through the user terminal.
Further, the task management level comprises a power transformation five-way platform, a direct current five-way platform and a power transmission five-way platform.
Further, the information collection hierarchy includes 9 sub-modules, specifically: the system comprises a tour management module, a live detection supervision management module, a power transmission and transformation on-line monitoring system, an instrument inspection supervision management module, a case test inspection supervision management module, a Henan province electric power meteorological system, a thunder and lightning positioning system, a transformer substation centralized control background and an electric power production management system.
Furthermore, the data among each submodule of the 9 submodules has relevance and uniqueness.
Further, the information evaluation level comprises a defect/fault analysis module, a refined evaluation management module, a manager and an expert team.
Further, the user terminal comprises a power grid equipment state monitoring, analyzing, evaluating and managing platform, power transmission and transformation users, city company users, provincial maintenance company users and direct current company users.
Furthermore, the evaluation system integrates, collects and synchronizes the relevant information provided by the specific module and the system by using a 5G network, a Wifi network, a mobile communication technology, an artificial intelligence, a cloud computing technology and a block chain technology, has an alarm reminding function when the equipment needs to be evaluated in a refined manner when an abnormal fault occurs, and gathers all relevant information in the time period by taking a time chain as a dimension to perform preliminary analysis; the method comprises the following steps of preliminarily judging massive test data through artificial intelligence, preliminarily analyzing a conclusion obtained by the test data, collecting all relevant basic information, and after the basic information collection and the conclusion obtained by the test data are preliminarily analyzed, walking in two steps: firstly, forming a preliminary analysis report and providing expert team reference; and secondly, entering an equipment refined evaluation management module to score the state quantity, and performing refined evaluation on the equipment state.
Furthermore, the specific modules and systems comprise an equipment live-line detection supervision management module, an instrument and meter delivery supervision management module, a sample test supervision management module, a power transmission and transformation online monitoring system, a Henan electric power meteorological system, a thunder and lightning positioning system, an electric power production management system and a transformer substation centralized control background system.
Further, the basic information includes a field related device patrol record, field related device live detection data and historical data, related device online monitoring data and historical data, example test conditions and historical data, device working conditions, device operation information, fault waveform records, protection action information, a lightning falling condition near the device, a meteorological condition, environment temperature and humidity, device basic information, family defects of the same type, detection personnel information, a detection instrument and meter model and regular inspection validity information.
Further, when the equipment state is evaluated in a refined mode, equipment with the evaluation level below D level is analyzed and confirmed online/offline by a related expert team in province.
At present, the existing power equipment fine evaluation lacks a complete standardization system and standardization operation, the fine evaluation has multiple data types, the data arrangement and summarization work is complicated, the storage of a unified database and the data analysis are lacked, and the accuracy and the integrity of the data are difficult to ensure; the utilization rate of various information such as live detection, on-line monitoring, equipment inspection, test example, operation working condition and the like for fine evaluation of the equipment state is low; expert resources are scarce, the level of field personnel is uneven, and the defect/fault diagnosis is not professional enough. Chinese patent CN111738546A discloses an electrical equipment state evaluation system, which includes a reliability AHP evaluation system, a power supply continuity analysis system, a distribution transformer fault risk analysis system, a severe environment resistance analysis system, and a longitudinal comparison analysis system, wherein the above systems are used to count and analyze the electrical equipment state in the working time, so as to solve the problems of excessive and insufficient manual inspection and poor risk resistance. Chinese patent CN102509018A discloses an importance evaluation system and method for power system equipment, which adopts a client program and a background relational database of a C/S framework to effectively improve the safety and reliability of a power grid during equipment maintenance and realize an auxiliary decision on maintenance work, but the patent only realizes the auxiliary decision on maintenance work through the analysis on the importance of the power equipment, the analysis is too single, a more comprehensive analysis system of the power equipment cannot be established, the auxiliary decision on maintenance work is not accurate enough, maintenance accidents are easy to happen, and certain threats are generated on the safety and reliability of the power grid.
Compared with the prior art, the invention has the following beneficial effects:
(1) the invention fully utilizes 5G network, Wifi network, mobile communication technology, artificial intelligence, cloud computing technology and block chain technology to integrate, collect and synchronize the relevant information collected by systems such as equipment inspection management module, equipment live detection supervision management module, instrument inspection supervision management module, example test supervision management module, power transmission and transformation online monitoring system, Henan electric power meteorological system, thunder positioning system, PMS (electric power production management system), transformer substation centralized control background and the like (the data among each submodule has relevance and uniqueness), can realize alarm reminding function when the equipment state needs to be evaluated when abnormal faults (such as equipment trip fault, equipment not trip but a certain state quantity is poor) occur, and integrates all relevant information of the time period for preliminary analysis by taking a time chain as a dimension, a preliminary analysis report is formed, expert team reference is provided, a refined evaluation management module of the equipment is entered to score the state quantity, refined evaluation on the equipment state is achieved, and the equipment with the evaluation level below grade D is analyzed and confirmed on line (off line) again by related expert teams in provinces, so that the power equipment with faults or poor states can be found and maintained in time, the occurrence probability of power accidents is reduced, and the safety of a national network is improved.
(2) By the power equipment refined evaluation system established by the invention, a complete and comprehensive evaluation thought of the power equipment refined evaluation early-stage detection and information entry, the middle-stage information collection and analysis and the later-stage equipment state overall refined evaluation is realized; the system is used for fine evaluation of the state of the power equipment, has strong practicability and has great popularization and application values.
Drawings
Fig. 1 is an overall structural diagram of a power equipment state refinement evaluation system according to the present invention.
Detailed Description
The technical solution of the present invention is further explained with reference to the accompanying drawings.
Examples
As shown in fig. 1, the present invention provides a refinement evaluation system for power equipment, which includes 4 communication levels, specifically: the system comprises a task management level, an information collection level, an information evaluation level and a conclusion display level.
The task management level comprises a power transformation five-way platform, a direct current five-way platform and a power transmission five-way platform; the task management level sends work tasks such as live detection work, routine tests, special handover tests and the like to the information collection level by means of a PMS (power generation management system).
The information collection level comprises 9 sub-modules, and data among the sub-modules have relevance and uniqueness, specifically: the system comprises an equipment inspection management module, a live detection supervision management module, a power transmission and transformation on-line monitoring system, an instrument inspection supervision management module, a case test inspection supervision management module, a Henan province electric power meteorological system, a thunder and lightning positioning system, a transformer substation centralized control background and an electric power production management system. The equipment patrol management module is used for collecting power equipment patrol information and power equipment patrol defect information; the electrified detection supervision management module is used for collecting electrified detection information of the power equipment, historical monitoring data analysis results of the power equipment and defect closed-loop conditions of the power equipment; the power transmission and transformation online monitoring system is used for collecting online monitoring state information of the power transmission and transformation power equipment and analysis results of historical online monitoring data of the power transmission and transformation power equipment; the instrument delivery monitoring management module is used for collecting the information of the instrument arrival acceptance and the scheduled inspection of the live detection and on-line monitoring; the example test supervision and management module is used for collecting relevant information of example tests and special handover tests; the Henan province electric power meteorological system is used for collecting meteorological information of an area where the electric power equipment is located; the lightning positioning system is used for collecting lightning activity conditions near the power equipment; the transformer substation centralized control background is used for collecting information of the working condition, the operation record, the fault waveform record and the protection action of the power equipment in the same time period; the power production management system is used for collecting basic information of the power equipment, a factory test report, defect elimination, a case test record and relevant information of familial defects; the basic information comprises a field relevant equipment patrol record, field relevant equipment live detection data and historical data, relevant equipment on-line monitoring data and historical data, example test condition and historical data, equipment working condition, equipment operation information, fault waveform record, protection action information, equipment nearby lightning falling condition, meteorological condition, environment temperature and humidity, equipment basic information, same-model family defects, detection personnel information, detection instrument model and regular inspection validity information.
The information evaluation level comprises a defect/fault analysis module, a fine evaluation management module, a manager and an expert team; the information evaluation level further analyzes and confirms the preliminary analysis report of the defect/fault analysis module or the refined evaluation management module through management personnel and expert teams.
And the conclusion display level presents a power transformation/direct current/power transmission operation and inspection decision, a technical improvement major repair decision, a panoramic display summarized by annual statistical analysis, a refined evaluation report and a defect/fault analysis report through a user terminal (a power grid equipment state monitoring, analyzing and evaluating management platform, a power transmission and transformation user, a city company user, a provincial maintenance company user and a direct current company user).
When the state of the equipment needs to be evaluated in a refined manner when abnormal faults (such as equipment tripping faults and equipment not tripping but a certain state quantity is poor) occur, an alarm reminding function can be realized, a time chain is taken as a dimension, all relevant information in the time period is collected for preliminary analysis to form a preliminary analysis report, expert team reference is provided, meanwhile, an equipment refined evaluation management module is entered for state quantity grading, refined evaluation on the state of the equipment is realized, and for the equipment with the evaluation level below D level, the relevant expert team in province carries out online (offline) analysis and confirmation again,
the electric power equipment fine evaluation system established by the invention fully utilizes a 5G network, a Wifi network, a mobile communication technology, an artificial intelligence, a cloud computing technology and a block chain technology to integrate, collect and synchronize related information provided by 9 sub-modules such as an equipment inspection management module, an equipment live detection supervision management module, an instrument and meter delivery supervision management module, a sample test supervision management module, a power transmission and transformation online monitoring system, a Henan electric power meteorological system, a lightning positioning system, a PMS (power production management system) and a transformer substation centralized control background (data among all the sub-modules have relevance and uniqueness), has an alarm reminding function when the equipment state needs to be subjected to fine evaluation when abnormal faults (such as equipment tripping faults, equipment not tripping but a certain state quantity is poor) occur, and integrates all the related information of the time period by taking a time chain as a dimension to perform preliminary analysis, forming a preliminary analysis report; the method comprises the steps of preliminarily judging mass test data through artificial intelligence, preliminarily analyzing a conclusion obtained by the test data, and collecting all relevant basic information, wherein the relevant basic information comprises but is not limited to on-site relevant equipment patrol records, on-site relevant equipment live detection data and historical data, relevant equipment on-line monitoring data and historical data, example test conditions and historical data, equipment working conditions, equipment operation information, fault waveform records, protection action information, equipment nearby lightning falling conditions, meteorological conditions, environment temperature and humidity, equipment basic information, same-model family defects, detector information, instrument models of detection instruments and regular inspection validity information, and after the basic information collection and the conclusion obtained by the test data are preliminarily analyzed, the method comprises the following two steps: firstly, forming a preliminary analysis report and providing expert team reference; and secondly, entering an equipment refined evaluation management module to score the state quantity, and performing refined evaluation on the equipment state. For equipment with an evaluation grade below grade D, an intra-provincial related expert team performs online (offline) analysis and confirmation, and a complete and comprehensive fine evaluation system for the electric power equipment, which is used for early detection and information entry, middle-term information collection and analysis and later-stage overall fine evaluation of the equipment, is established.
The above-described embodiments are intended to illustrate rather than to limit the invention, and all changes and modifications that come within the spirit of the invention and the scope of the appended claims are intended to be embraced therein.
Claims (10)
1. A refined evaluation system for electric power equipment is characterized by comprising a task management level, an information collection level, an information evaluation level and a conclusion display level:
the task management level sends the work tasks of live detection work, routine tests and special handover tests to the information collection level by depending on the power production management system;
the information collection level requires a field worker to upload data to the operation terminal through a field detection instrument, and then the data are uploaded to each management submodule through the operation terminal;
the information evaluation level further analyzes and confirms the preliminary analysis report of the defect/fault analysis module or the refined evaluation management module through a manager and an expert team;
and the conclusion display level displays a power transformation/direct current/power transmission operation and inspection decision, a technical improvement and overhaul decision, a panoramic display summarized by annual statistical analysis, a refined evaluation report and a defect/fault analysis report through the user terminal.
2. The power equipment refinement evaluation system according to claim 1, wherein the task management hierarchy comprises a power transformation five-way platform, a direct current five-way platform, and a power transmission five-way platform.
3. The refinement evaluation system of the power equipment according to claim 1, wherein the information collection hierarchy includes 9 sub-modules, specifically: the system comprises a tour management module, a live detection supervision management module, a power transmission and transformation on-line monitoring system, an instrument inspection supervision management module, a case test inspection supervision management module, a Henan province electric power meteorological system, a thunder and lightning positioning system, a transformer substation centralized control background and an electric power production management system.
4. The refinement evaluation system of claim 3, wherein the data of each of the 9 sub-modules is related and unique.
5. The power equipment refinement evaluation system of claim 1, wherein the information evaluation hierarchy comprises a defect/fault analysis module, a refinement evaluation management module, a management staff and a team of experts.
6. The refinement evaluation system of claim 1, wherein the user terminal comprises a power grid equipment state monitoring, analyzing, evaluating and managing platform, a power transmission and transformation user, a city company user, a provincial maintenance company user and a direct current company user.
7. The fine evaluation system of the power equipment according to any one of claims 1 to 6, wherein the evaluation system integrates, collects and synchronizes the relevant information provided by the specific module and the system by using a 5G network, a Wifi network, a mobile communication technology, an artificial intelligence, a cloud computing technology and a block chain technology, has an alarm reminding function when the equipment needs to be subjected to fine evaluation when an abnormal fault occurs, and collects all relevant information of the time period by using a time chain as a dimension to perform preliminary analysis; the method comprises the following steps of preliminarily judging massive test data through artificial intelligence, preliminarily analyzing a conclusion obtained by the test data, collecting all relevant basic information, and after the preliminary analysis of the basic information to be collected and the conclusion obtained by the test data is completed, stepping the method in two steps: firstly, forming a preliminary analysis report and providing expert team reference; and secondly, entering an equipment refined evaluation management module to score the state quantity, and performing refined evaluation on the equipment state.
8. The refinement evaluation system of power equipment according to claim 7, wherein the specific modules and systems comprise an equipment live detection supervision management module, an instrument inspection supervision management module, a case test supervision management module, a power transmission and transformation online monitoring system, a Henan electric power meteorological system, a lightning positioning system, an electric power production management system and a transformer substation centralized control background system.
9. The fine evaluation system of the power equipment according to claim 7, wherein the basic information includes inspection records of relevant equipment on site, live detection data and historical data of relevant equipment on site, online monitoring data and historical data of relevant equipment, case trial test conditions and historical data, equipment working conditions, equipment operation information, fault waveform records, protection action information, lightning falling conditions near the equipment, weather conditions, environmental temperature and humidity, equipment basic information, family defects of the same model, detection personnel information, models of detection instruments and meters, and regular inspection validity information.
10. The system for fine evaluation of power equipment according to claim 7, wherein when the equipment state is evaluated in a fine manner, the equipment with an evaluation level below grade D is analyzed and confirmed online/offline by a team of experts in provincial level.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114500223A (en) * | 2022-01-21 | 2022-05-13 | 深圳日浩科技现代服务业有限公司 | Dual-organization management system and method based on cloud application |
| CN114723743A (en) * | 2022-05-16 | 2022-07-08 | 中国信息通信研究院 | Block chain-based power distribution equipment safety detection method and device |
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| CN108282026A (en) * | 2017-12-27 | 2018-07-13 | 河南平高电气股份有限公司 | A kind of high-tension switch gear novel maintenance system |
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