CN110782048A - Power distribution equipment state evaluation and maintenance suggestion system - Google Patents
Power distribution equipment state evaluation and maintenance suggestion system Download PDFInfo
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Abstract
The invention discloses a power distribution equipment state evaluation and overhaul suggestion system, which comprises: equipment state information acquisition module: collecting machine account information, real-time operation information and test information of equipment; respectively connected with the equipment state information processing module and the equipment state evaluation method and the case base; the device state information processing module: checking the acquired data in sequence, and repairing or acquiring the missing and error parameters and restoring the data under the normal operation state of the equipment; an equipment state evaluation module: reading in various data or texts output by the equipment state information processing module, grading each index by contrasting the equipment state evaluation method, and then calculating the health state grade of the equipment; a maintenance suggestion module: reading in the evaluation of each index by an equipment state evaluation method and a case library, and making a maintenance decision; the problem of prior art to distribution equipment's state evaluation and maintenance suggestion have the degree of accuracy low and inefficiency etc is solved.
Description
Technical Field
The invention belongs to the field of power distribution equipment state evaluation, and particularly relates to a power distribution equipment state evaluation and overhaul suggestion system.
Background
With the development of economic technology, the social requirements on electric quantity and electric energy quality are higher and higher, the traditional regular operation and maintenance cannot meet the requirements of the power distribution network and the development of users, the state maintenance is carried out at the right moment, the state evaluation of the power distribution equipment is the first step of the state maintenance, and the guidance effect on the arrangement of maintenance work is achieved. In the prior art, equipment state evaluation is usually carried out manually, equipment operation and maintenance accounts are checked manually, and equipment state and maintenance suggestions are obtained through manual experience. This has problems of low accuracy and low efficiency.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides a distribution equipment state evaluation and maintenance suggestion system to solve prior art and mainly go on through the manual work to distribution equipment's state evaluation and maintenance suggestion, look over equipment operation and maintenance ledger through the manual work, obtain equipment state and maintenance suggestion through artifical experience. This has problems of low accuracy and low efficiency.
The technical scheme of the invention is as follows:
a power distribution equipment condition evaluation and repair recommendation system comprises:
equipment state information acquisition module: collecting machine account information, real-time operation information and test information of the equipment, comprehensively representing the health state of the equipment, fusing the collected information according to logic correlation, and storing the information into an equipment state information acquisition module; respectively connected with the equipment state information processing module and the equipment state evaluation method and the case base;
the device state information processing module: the collected data are checked in sequence, the parameter missing and error are repaired or collected again, the data under the normal operation state of the equipment are restored, and finally the data meeting the equipment state evaluation are generated and are respectively connected with an equipment state evaluation module and an equipment state evaluation method and a case library;
an equipment state evaluation module: reading in various data or texts output by the equipment state information processing module, grading each index by contrasting the equipment state evaluation method, and then calculating the health state grade of the equipment; respectively connected with the equipment state evaluation method, the case base and the maintenance suggestion module;
a maintenance suggestion module: and reading in the evaluation of each index by the equipment state evaluation method and the case library, and making a maintenance decision.
The equipment state evaluation method and the case library comprise the following steps:
evaluation index weight library: the device state evaluation module is connected with the device; storing each weighted value of the state evaluation value of the computing equipment;
state evaluation criteria library: the device state evaluation module is connected with the device state evaluation module and provides a basis for scoring various indexes;
maintenance decision case base: is connected with the maintenance suggestion module; providing a theoretical source for maintenance decision;
equipment account information base: and the equipment state information acquisition module is connected with the equipment account information providing module, and the equipment account information, the real-time equipment information and the test information are used as basic data for state evaluation.
The formula for calculating the health status score of a device is:
The standing book information comprises nameplate information, installation positions and numbers of the equipment and historical defect or fault information of the equipment; the real-time operation information includes: real-time measurements of voltage, current and power parameters; the information is directly input to the information acquisition module by an online monitoring system of the equipment; the test information comprises routing inspection evaluation information and charged information; the method is used for monitoring the running performance of distribution network equipment once collected every year, comprehensively reflecting the external running environment and the self health state of the equipment, and specifically comprises test results of an insulation test, a direct current resistance test and a partial discharge test.
The method for repairing or reacquiring the missing and error parameters and restoring the data of the equipment in the normal operation state comprises the following steps: and checking the equipment number, the installation place and the running age information in the standing book information, repairing and re-collecting the parameter loss and the error, reminding when the test information is lost or wrong, requesting the staff to manually input again, and extracting the state information from the online monitoring system again when the real-time information is wrong.
The invention has the beneficial effects that:
the invention can meet the requirement of quickly and accurately evaluating the state of the power distribution equipment and provides a system with the functions of power distribution equipment information access and maintenance suggestion on the basis. Meanwhile, the method is suitable for evaluating the state of the high-efficiency equipment when the scale of the current power distribution network is continuously enlarged and the power distribution equipment is more and more advanced, lays a good foundation for state maintenance, provides suggestions for maintenance contents according to experts and various state maintenance guide rules, and has a guiding function; the problem of prior art to distribution equipment's state evaluation and maintenance suggestion mainly go on through the manual work, look over equipment operation and maintenance ledger through the manual work, obtain equipment state and maintenance suggestion through artifical experience is solved. This has problems of low accuracy and low efficiency.
Drawings
FIG. 1 is a system diagram of the present invention;
FIG. 2 is a functional diagram of the system of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples.
As shown in fig. 1, the present invention is a power distribution equipment state evaluation and repair suggestion system, including: equipment state information acquisition module, equipment state information processing module, equipment state evaluation method and case library, equipment state evaluation module, overhaul suggestion module, wherein:
the equipment state information acquisition module is used for collecting standing book information, real-time information and test information of the equipment, comprehensively representing the health state of the equipment, fusing the collected information according to certain logic correlation according to the state evaluation requirement, reducing the calculation amount while ensuring accurate state evaluation, improving the calculation speed and storing the information into the equipment state information acquisition module;
the device state information acquisition module comprises a data acquisition submodule and a data fusion submodule, wherein:
the data acquisition submodule is responsible for acquiring standing book information, test information and real-time information of the equipment, and a data source is an equipment standing book and comprises equipment delivery parameters, positioning information and the like; the equipment on-line monitoring system comprises real-time information such as voltage, current, power and the like and test data. The acquisition mode is manual input and automatic acquisition, wherein:
the standing book information is nameplate information, installation positions and numbers of the equipment and historical defects or faults of the equipment.
The test information mainly comprises routing inspection evaluation information, electrification information and the like, is usually carried out once a year, monitors the running performance of the distribution network equipment, and is used for comprehensively reflecting the external running environment and the self health state of the equipment, and comprises test results of an insulation test, a direct current resistance test, a partial discharge test and the like.
The real-time information includes real-time measurements of parameters such as voltage, current, power, etc. The information is directly input to the information acquisition module by the online monitoring system.
The data fusion submodule is used for splicing data with certain logic correlation in the acquired information so as to embody the running state of the equipment by using more simplified data.
The equipment state information processing module is used for sequentially checking the acquired data, repairing or re-acquiring the missing parameters and the obvious errors and restoring the data in the normal running state of the equipment to finally generate data meeting equipment state evaluation, checking information such as equipment numbers, installation places, running years and the like in the ledger information, repairing and re-acquiring the actual parameters and the obvious errors, sending a prompt when the test information is missing or the obvious errors, requesting a worker to manually input again, and extracting the state information from the online monitoring system when the real-time information is wrong;
the equipment state evaluation method and the case library are used for collecting and storing necessary methods and data of a power distribution equipment state evaluation and maintenance suggestion system, and comprise an equipment ledger information base, a state evaluation standard base, an evaluation index weight base and a maintenance decision case library, wherein:
the equipment standing book information base is accessed to an equipment state information acquisition module and is used as basic data of state evaluation together with equipment real-time information and test information;
the evaluation index weight library is accessed to the equipment state evaluation module and stores each weight of the evaluation value of the equipment state;
the state evaluation standard library is accessed to the equipment state evaluation module and provides a basis for scoring each index;
the maintenance decision case base is accessed to a maintenance suggestion module and is a theoretical source of maintenance decisions;
the equipment state evaluation module reads various data output by the equipment state information processing module orA text and state evaluation standard library, scoring each index, reading in an evaluation index weight library, calculating the health state score of the equipment, and calculating the formula of
Wherein, w
iTo evaluate the index weight, S
iScoring the state of each index, and then inputting and displaying equipment ledger information (namely equipment number, affiliated power supply bureau, line and the like), the final scoring of the equipment and the scoring and deduction reasons of each index;
the maintenance suggestion module is responsible for reading in the maintenance decision case library and evaluating each index by the equipment state evaluation module, making a maintenance decision and providing effective reference;
the basic functions of the invention are shown in fig. 2, and the equipment ledger function area is used for managing basic information and data of the power distribution equipment, and mainly has two functions of inquiring existing equipment information and inputting new equipment information. The method mainly comprises machine account information such as equipment names, serial numbers and lines.
The data entry functional area is used for manually or automatically inputting various indexes and performance parameters for representing the equipment state, and mainly comprises test information and real-time information of the equipment. The information input mode is manual, semi-automatic and automatic, and the data are integrated and classified, merged and stored according to requirements.
The state evaluation functional area is a core functional area of the invention, and the state evaluation score of the equipment is obtained by calculating the input information according to a certain weight. The state evaluation function area can be divided into three parts of evaluation criteria, weight and state evaluation results. The evaluation standard part indicates a state evaluation deduction principle and a scoring method, and the deduction principle and the scoring method can be consulted and modified; the function of the weight part is 1, weight query and 2, and an administrator can adjust the weight according to specific situations through the function of the weight part; the state evaluation result is used for displaying the overall state score and the score deduction value of the deduction item of the equipment.
And the overhaul suggestion function area displays the scores of the deduction items, proposes suggestions for the overhaul scheme, and suggests from expert manual setting, network equipment state overhaul guide rules and the like. And providing basic repair suggestions.
When the device works, the device state information acquisition module is responsible for interacting with each external data source, wherein the data acquisition submodule manually inputs or automatically inputs test information and real-time information of the device. The information input mode is manual and automatic, and is used for representing various indexes and performance parameters of the equipment state, and then the data fusion sub-module splices and fuses scattered data with logic correlation in the data from different data sources;
the equipment state information processing module is used for reading in data transmitted by the equipment state information acquisition module and is responsible for carrying out data inspection and restoration on the transmitted data and restoring the data in a normal running state of the equipment;
the equipment state evaluation method and the case library are used for collecting and storing necessary methods and data of a power distribution equipment state evaluation and maintenance suggestion system, and comprise an equipment ledger information base, a state evaluation standard base, an evaluation index weight base and a maintenance decision case library, wherein:
the equipment standing book information base is accessed to an equipment state information acquisition module and is used as basic data of state evaluation together with equipment real-time information and test information;
the evaluation index weight library is accessed to the equipment state evaluation module and stores each weight of the state evaluation value of the computing equipment;
the state evaluation standard library is accessed to the equipment state evaluation module and provides a basis for scoring each index;
a maintenance decision case base is accessed to a maintenance suggestion module and is a theoretical source of maintenance decisions;
the equipment state evaluation module reads in various data or texts and a state evaluation standard library output by the equipment state information processing module, scores each index, reads an evaluation index weight library, calculates the health state score of the equipment, and has the calculation formula of
Wherein，w
iTo evaluate the index weight, S
iScoring the state of each index, and then inputting and displaying equipment ledger information (namely equipment number, affiliated power supply bureau, line and the like), the final scoring of the equipment and the scoring and deduction reasons of each index;
the maintenance suggestion module is responsible for reading in the evaluation of each index by the maintenance decision case library and the equipment state evaluation module, making a maintenance decision, and providing maintenance suggestions aiming at each deducted index according to expert experience and a state maintenance guide rule made by a power grid company so as to provide information for making a state maintenance scheme, so that maintenance technicians are helped to reasonably determine maintenance time, maintenance types and maintenance contents and provide effective reference;
the power distribution equipment state evaluation and overhaul suggestion system integrates functions of power distribution equipment information access, state evaluation, overhaul suggestion and the like, and can timely and quickly reflect the health state of the power distribution equipment, so that the timeliness of state evaluation is improved, and a foundation is laid for efficiently implementing state overhaul and ensuring the reliability of a distribution network. And meanwhile, deduction items and reasons are displayed, a user can visually know the defects of the equipment, and the maintenance suggestion module provides maintenance suggestions with reference significance. Can more reasonably carry out targeted state maintenance.
Claims (5)
1. A power distribution equipment condition evaluation and repair recommendation system comprises:
equipment state information acquisition module: collecting machine account information, real-time operation information and test information of the equipment, comprehensively representing the health state of the equipment, fusing the collected information according to logic correlation, and storing the information into an equipment state information acquisition module; respectively connected with the equipment state information processing module and the equipment state evaluation method and the case base;
the device state information processing module: the collected data are checked in sequence, the parameter missing and error are repaired or collected again, the data under the normal operation state of the equipment are restored, and finally the data meeting the equipment state evaluation are generated and are respectively connected with an equipment state evaluation module and an equipment state evaluation method and a case library;
an equipment state evaluation module: reading in various data or texts output by the equipment state information processing module, grading each index by contrasting the equipment state evaluation method, and then calculating the health state grade of the equipment; respectively connected with the equipment state evaluation method, the case base and the maintenance suggestion module;
a maintenance suggestion module: and reading in the evaluation of each index by the equipment state evaluation method and the case library, and making a maintenance decision.
2. The power distribution equipment state evaluation and repair recommendation system of claim 1, wherein: the equipment state evaluation method and the case library comprise the following steps:
evaluation index weight library: the device state evaluation module is connected with the device; storing each weighted value of the state evaluation value of the computing equipment;
state evaluation criteria library: the device state evaluation module is connected with the device state evaluation module and provides a basis for scoring various indexes;
maintenance decision case base: is connected with the maintenance suggestion module; providing a theoretical source for maintenance decision;
equipment account information base: and the equipment state information acquisition module is connected with the equipment account information providing module, and the equipment account information, the real-time equipment information and the test information are used as basic data for state evaluation.
3. The power distribution equipment state evaluation and repair recommendation system of claim 1, wherein: the formula for calculating the health status score of a device is:
w
ito evaluate the index weight, S
iScoring the status of each index; n is the number of index items.
4. The power distribution equipment state evaluation and repair recommendation system of claim 1, wherein: the standing book information comprises nameplate information, installation positions and numbers of the equipment and historical defect or fault information of the equipment; the real-time operation information includes: real-time measurements of voltage, current and power parameters; the information is directly input to the information acquisition module by an online monitoring system of the equipment; the test information comprises routing inspection evaluation information and charged information; the method is used for monitoring the running performance of distribution network equipment once collected every year, comprehensively reflecting the external running environment and the self health state of the equipment, and specifically comprises test results of an insulation test, a direct current resistance test and a partial discharge test.
5. The power distribution equipment state evaluation and repair recommendation system of claim 1, wherein: the method for repairing or reacquiring the missing and error parameters and restoring the data of the equipment in the normal operation state comprises the following steps: and checking the equipment number, the installation place and the running age information in the standing book information, repairing and re-collecting the parameter loss and the error, reminding when the test information is lost or wrong, requesting the staff to manually input again, and extracting the state information from the online monitoring system again when the real-time information is wrong.
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| CN112986734A (en) * | 2021-02-19 | 2021-06-18 | 北京首钢自动化信息技术有限公司 | Fault detection device of voice communication system |
| CN113129193A (en) * | 2021-04-21 | 2021-07-16 | 贺之娜 | Wisdom garden management system based on three-dimensional outdoor scene |
| CN115296905A (en) * | 2022-08-04 | 2022-11-04 | 新疆品宣生物科技有限责任公司 | Data acquisition and analysis method and system based on mobile terminal |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111612382A (en) * | 2020-06-05 | 2020-09-01 | 国网山东省电力公司电力科学研究院 | Method and system for monitoring state of main equipment of power distribution network |
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| CN113129193A (en) * | 2021-04-21 | 2021-07-16 | 贺之娜 | Wisdom garden management system based on three-dimensional outdoor scene |
| CN115296905A (en) * | 2022-08-04 | 2022-11-04 | 新疆品宣生物科技有限责任公司 | Data acquisition and analysis method and system based on mobile terminal |
| CN115296905B (en) * | 2022-08-04 | 2024-06-04 | 新疆品宣生物科技有限责任公司 | Data acquisition and analysis method and system based on mobile terminal |
| CN115545423A (en) * | 2022-09-14 | 2022-12-30 | 北京东华博泰科技有限公司 | Full life cycle intelligent service system of energy equipment |
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