CN110688389B - Cloud management system for defects of secondary equipment of transformer substation - Google Patents
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Abstract
The invention provides a transformer substation secondary equipment defect cloud management system which is characterized in that a secondary equipment database is collected from transformer substation infrastructure, a quick searching system corresponding to signals and loops is constructed by taking a secondary loop as a source, fault searching and analyzing functions are realized, defect eliminating suggestions are given, and defect analysis and evaluation are carried out. The invention can greatly fill the blank of the plate, realize the 'instant scanning and instant use' of the secondary equipment information on the basis of the encoding technical specification of the secondary equipment of the transformer substation, search the same fault history situation, compare the same fault history situation with the field, provide the optimal reference solution, and greatly improve the efficiency and the safety of the work of debugging, overhauling, reconstruction, extension and the like of the transformer substation.
Description
Technical Field
The invention relates to the field of electric power application, in particular to a transformer substation secondary equipment defect cloud management system.
Background
With the large-scale construction and production of the transformer substation in China, daily maintenance work such as machine accounts, drawings, data, reports and the like of secondary equipment of the transformer substation is increasingly heavy, and faults of the secondary equipment are more frequent. When the defects are processed, the defect elimination efficiency and the defect elimination time directly influence the safe and reliable operation of equipment and even a power grid. At this moment, traditional transformer substation secondary equipment operation and maintenance overhauls management means all shows prominently in the aspect of eliminating the defect efficiency and the security quality management and control not enough, and the routine maintenance work is piled up like the mountain, can't in time update to lead to realizing transformer substation secondary circuit and the standing book entry work of the information that bears at present, but still have two aspect problems: firstly, the defects can not be updated and compared synchronously, and the defect eliminating efficiency is reduced in defect eliminating work of the same type of defects; secondly, the defect processing opinions can not be quickly given according to the defect management of the same device, and the defect eliminating time is increased.
Therefore, the cloud management system for the defects of the secondary equipment of the transformer substation is provided, mainly faces to relevant technical personnel such as maintainers, operation and maintenance personnel and power scheduling personnel, and is a necessary tool in operation and maintenance work of the secondary equipment. The existing transformer substation temporary non-existence transformer substation secondary equipment defect cloud management related system has the defects of fault recurrence and treatment prejudgment and belongs to a vacancy block.
Disclosure of Invention
The invention provides a transformer substation secondary equipment defect cloud management system which is characterized in that a secondary equipment database is collected from the beginning of transformer substation infrastructure, a quick searching system with signals corresponding to a secondary circuit is constructed by taking the secondary circuit as a source, the functions of fault searching and analyzing are realized, defect elimination suggestions are given, and defect analysis and evaluation are performed. The invention can fill the blank of the plate to a great extent, realizes the 'instant scanning and using' of the secondary equipment information on the basis of the coding technical specification of the secondary equipment of the transformer substation, searches the same fault history situation, provides an optimal reference solution by comparing with the field, and can greatly improve the efficiency and the safety of the work of debugging, overhauling, rebuilding and expanding of the transformer substation and the like.
The invention is realized by the following technical scheme:
a transformer substation secondary equipment defect cloud management system comprises the following systems,
s1, a defect reporting system: scanning the preliminary defect information of the identification and statistics by the operation unit through a mobile terminal to acquire and report the information;
s2, a defect analysis and identification system: according to the preliminary defect information reported in the defect reporting system, carrying out statistical analysis on the defects, wherein the content of the statistical analysis comprises defect reasons, defect positions and defect severity, screening similar defects according to the analysis result, detecting and identifying the defects, pushing suspected familial defects to a familial defect analysis management module, finally forming a secondary equipment defect analysis report after the defects are analyzed and identified, and storing the secondary equipment defect analysis report to a transformer substation secondary equipment defect cloud management system;
s3, a defect handling system: aiming at a defect analysis report in a defect analysis and identification system, formulating a defect disposal scheme, tracking and recording the progress condition of defect disposal, and filing the processed defects into a historical defect library;
s4, a defect analysis and evaluation system: performing overall analysis and evaluation on the defect correction, wherein the analysis content comprises comprehensive analysis on the reasons of the generated defects, overall analysis on defective parts, overall analysis on the severity of the defects, analysis on defect processing time, analysis on defect occurrence rate, analysis on defect elimination rate and analysis on defect elimination time rate; and integrating the equipment information to form a secondary equipment defect analysis report.
Preferably, the input information of the defect reporting system comprises secondary equipment standing book information and equipment defect information, and the output information comprises defect reasons and defect parts; the input information of the defect analysis and identification system comprises secondary equipment ledger information, equipment defect information and defect statistical information, and the output information comprises suspected familial defects, defect analysis and identification conclusions and defect analysis reports; the defect disposal system input information comprises equipment defect information, and the output information comprises a defect disposal scheme, a disposal progress and a historical defect library; the input information of the defect analysis and evaluation system comprises secondary equipment standing book information and equipment defect information, and the output information comprises a defect analysis and evaluation result and a defect analysis report.
Preferably, the defect analysis evaluation result comprises a reliability report, and the reliability report comprises a weighted average defect score mu, a reliability statistic threshold value M and a reliability score K of the same type of equipment in the evaluation period 1 。
Preferably, the weighted average defect score μ of the secondary device over the evaluation period is calculated according to equation (1),
in the formula:
unit: evaluation period of one hundred meters
Mu-weighted average defect score of equipment of the same manufacturer and model in the evaluation period;
Q 1 evaluating the number of general defects of equipment with the same model of the same manufacturer in the period;
Q 2 evaluating the number of serious defects of the same-type equipment of the same manufacturer in a period;
Q 3 evaluating the number of critical defects of the same type equipment of the same manufacturer in a period;
A 1 、A 2 、A 3 as weighting factors:
general Defect A 1 ＝1；
Serious defect A 2 ＝2；
Critical defect A 3 ＝3；
N S -counting the number of devices of the same model.
The reliability statistical threshold value M of the secondary equipment in the evaluation period is calculated according to the formula (2),
in the formula:
unit: evaluation period of one hundred meters
M is reliability statistic threshold value;
S 1 the general defect times of all secondary equipment in the past year;
S 2 -the number of serious defects of all secondary equipment in the year;
S 3 the number of all secondary equipment critical defects in the past year;
D 1 -evaluating the cycle coverage time (in months);
D j operating time of the jth device (in moon)
A 1 、A 2 、A 3 As weighting factors:
general Defect A 1 ＝1；
Serious defect A 2 ＝2；
Critical defect A 3 ＝3；
N-the total secondary equipment statistical number.
Reliability score K of secondary device in evaluation period 1 Taking a value according to the reliability weighted statistic S, calculating the reliability weighted statistic S according to a formula (3),
in the formula:
s-reliability weighted statistics;
mu is weighted average defect score of products of the same manufacturer and the same model in an evaluation period;
m is reliability statistic threshold value.
Preferably, the evaluation period is 12 months.
The invention has the advantages that:
1. the synchronous updating, recording, searching and comparing of the defects are realized, and the defect eliminating efficiency is greatly improved in the defect eliminating work of the same type of defects;
2. a defect processing scheme is rapidly provided according to the defect management of the same device, so that hidden dangers can be conveniently and rapidly eliminated, and the chain breaking and defect eliminating time is shortened;
3. the cloud management system for the defects of the secondary equipment of the transformer substation is easy to maintain and convenient to operate.
Drawings
FIG. 1 is a schematic structural diagram of a transformer substation secondary equipment defect cloud management system;
FIG. 2 is a working flow diagram of a transformer substation secondary equipment defect cloud management system;
FIG. 3 is a diagram of a defect reporting I/O interface;
FIG. 4 is a schematic view of a defect reporting system interface display;
FIG. 5 is a diagram of a defect-analysis-approved I/O interface;
FIG. 6 is a schematic view of a defect analysis qualification system interface display;
FIG. 7 is a defect handling input output interface;
FIG. 8 is a defect management system interface display;
FIG. 9 is a diagram of a defect analysis evaluation I/O interface;
FIG. 10 is a schematic view of a defect analysis and evaluation system interface display;
fig. 11 is a transformer substation secondary equipment defect cloud management system implementation method.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Fig. 1 provides a schematic structural diagram of a cloud management system for defects of secondary devices in a substation according to a preferred embodiment of the present invention.
The operation mode of the transformer substation secondary equipment defect cloud management system is that by means of a secondary equipment ledger database, a software development and coding technology and the like, when a secondary circuit has a defect, fault information is automatically submitted to the transformer substation secondary equipment defect cloud management system, the system analyzes the defect reason and the defect position according to the reported defect information, and classifies and counts the defect; according to the defect information and the historical defect records (including the same type defect records), a plurality of defect elimination schemes can be provided, and the defect elimination time and progress are recorded; the state evaluation quantification after the defect elimination of the equipment is realized, and the running state of the equipment is scientifically and reliably reflected.
The transformer substation secondary equipment defect cloud management system mainly comprises four processes: the method comprises the following steps of defect reporting, defect analysis and identification, defect treatment and defect analysis and evaluation, as shown in fig. 2:
(1) defect reporting
The defects are preliminarily identified and counted by an operation unit, and the information of the equipment defects is acquired and reported through a two-dimensional code of a transformer substation secondary equipment defect cloud management system, namely a mobile terminal scanning device, as shown in figure 3, and a system interface is displayed as shown in figure 4.
An input/output interface:
1) Required input data: secondary equipment ledger information and equipment defect information;
2) Outputting data: defect information such as defect cause and defect position;
(2) defect analysis and identification
And carrying out whole-network defect statistics and analysis on the defects according to the reported preliminary defect identification and statistical information, wherein the statistical content comprises the reasons of the defects, the defect parts and the defect severity, screening similar defects according to the analysis result, and detecting and identifying the defects. Meanwhile, equipment information such as equipment model, software version and the like is integrated, the relevance of equipment defects, manufacturers, models, software versions and operation years is analyzed, familial defects are automatically screened, and suspected familial defects are pushed to a familial defect analysis management module. And finally forming a secondary equipment defect analysis report after the defect analysis is confirmed, and storing the related information to a transformer substation secondary equipment defect cloud management system for use by related application modules, as shown in fig. 5, and displaying a system interface as shown in fig. 6.
An input/output interface:
1) Required input data: secondary equipment account information, preliminary defect information and preliminary defect statistical information;
2) Outputting data: suspected familial defects, defect analysis and identification conclusions and defect analysis reports.
(3) Defect handling
And (3) formulating a defect disposal scheme according to the common defect information, verifying the feasibility and reliability of the defect disposal scheme, tracking and recording the defect disposal progress condition, filing the processed defects into a historical defect library, and displaying a system interface as shown in fig. 7 and 8.
An input/output interface:
1) Required input data: and defect information.
2) Outputting data: defect handling scheme, handling progress, historical defect library, as in fig. 5.
(4) Evaluation of Defect analysis
The common defect analysis and evaluation mainly realizes statistical analysis on the defects of the secondary equipment and integral analysis and evaluation on the defect rectification condition. The analysis content comprises the following steps: the method comprises the steps of comprehensive analysis of reasons of generated defects, integral analysis of defect parts, integral analysis of defect severity, defect processing time analysis, defect occurrence rate analysis, defect elimination time rate analysis and the like. And synthesizing equipment information such as the equipment model, the software version and the like, analyzing the relevance of the equipment defect, the manufacturer, the model, the software version and the operation life, providing data support for the maintenance and the reconstruction of the secondary equipment, and forming a secondary equipment defect analysis report, wherein a system interface is displayed as shown in fig. 9 and 10.
An input/output interface:
1) Required input data: secondary equipment ledger information, equipment defect information.
2) An output interface: fig. 6 shows the evaluation results of defect analysis and the report of defect analysis.
The defect analysis and evaluation result also comprises the reliability evaluation of the same type equipment: in the evaluation period, the equipment of the same model of a certain manufacturer has high failure rate and serious failure property, and the overall reliability of the equipment of the same model is poor.
1) Calculating the weighted average defect score mu of equipment with the same model of a certain manufacturer in an evaluation period, dividing the equipment according to the defect types of the equipment, and carrying out weighted statistics according to different weights of general, serious and critical defects, wherein the weighted average defect score mu is shown in the following table 1 and formula:
TABLE 1 weighting factor for Defect class
| Serial number | Grade of defect | Weight factor |
| 1 | General defects | 1 |
| 2 | Serious defect | 2 |
| 3 | Critical defect | 3 |
In the formula:
unit: evaluation period of one hundred meters
Mu-weighted average defect score of a certain type of equipment in an evaluation period;
q1-the number of general defects of equipment of the same model in an evaluation period;
q2, evaluating the number of serious defects of equipment of the same type in a period;
q3, the critical defect frequency of the equipment with the same model in the evaluation period;
a1, A2 and A3 are weighting factors:
general defect A1=1;
severe defect A2=2;
critical defect A3=3;
NS-statistical number of devices of the same model. The evaluation statistical period was treated at 1 year (12 months).
The reliability statistic threshold value calculation method comprises the following steps:
the reliability statistic threshold value M is obtained by calculating the defect accumulative weighted average defect score of all secondary equipment in the past year in a formula:
in the formula:
unit: evaluation period of one hundred units
M is reliability statistical threshold;
s1, the number of general defects of all secondary equipment in the past year;
s2, the number of serious defects of all secondary equipment in the past year;
s3, the critical defect times of all secondary equipment in the past year;
d1-evaluate cycle coverage time (in months);
dj-operation time of the jth device (unit is moon)
A1, A2 and A3 are weighting factors:
general defect A1=1;
severe defect A2=2;
critical defect A3=3;
N-Total Secondary device statistics.
The device reliability score K1 is evaluated according to the reliability weighted statistic value S, and is shown in a formula:
in the formula:
s-reliability weighted statistics;
mu-weighted average defect score of equipment of the same model of a certain manufacturer in an evaluation period;
m is reliability statistic threshold value.
In the specific application of the embodiment:
(1) Required input data: unit information, primary equipment information, protection and automation basic ledger information, device-related alarm information, reasons and processing flows, equipment defect information, and online equipment alarm information.
(2) And outputting a generated defect statistical analysis index and a defect analysis data result.
(3) And the whole process management such as defect identification and reporting, large-range statistics and analysis and identification, treatment scheme formulation verification and implementation, common defect analysis and evaluation and the like is completed. After the personnel carry out defect collection through mobile terminal, count the screening to suspected defect equipment in the whole network, synthesize equipment information such as defect equipment model, integrated circuit board information, software version, multidimension degree statistical analysis secondary equipment defect condition combines expert's analysis and experimental verification, carries out the defect affirmation, can carry out familial defect screening simultaneously. After the defect is marked as a familial defect, pushing the defect into a related flow of a familial defect management functional submodule. And formulating a treatment scheme according to the defect identification information and the historical defect treatment condition, verifying, tracking the defect treatment progress, and evaluating and summarizing after treatment is completed. And filing the processed defects into a historical defect library. And periodically performing defect statistical analysis and evaluation, evaluating the influence range and degree of various defects according to the defect distribution data of the equipment, making a maintenance plan for reference of the state maintenance module, and performing equipment state evaluation and the like for the state evaluation module.
This embodiment has the following benefits:
(1) and establishing a protection and automation data integration model. A unified object modeling principle is adopted, a data integrity rule is defined, attributes, behaviors, operation authority and the like of a data model are standardized, a standing book and defect information protection and automatic defect data integrated model is established, and data support is provided for equipment evaluation.
(2) Basic data acquisition is realized by means of intelligent mobile terminal equipment. Based on the field mobile terminal equipment, the electronic, standardized and automatic input of the defect information of the secondary equipment is realized; and the automatic synchronization with a secondary equipment evaluation center background is realized, the data transfer link is reduced, and the standardization and the integrity of basic information are improved.
(3) And realizing flow management by means of intelligent mobile terminal equipment. The function realizes statistics of full voltage level relay protection and automatic related secondary equipment defect information, including defect rate, defect reasons, defect parts, defect severity, responsibility analysis and the like; the defect condition is integrally analyzed and evaluated, and the method comprises the following steps: the method comprises the steps of comprehensively analyzing reasons of generated defects, integrally analyzing defect parts, integrally analyzing defect severity, analyzing defect processing time, analyzing defect occurrence rate and analyzing defect elimination time rate. And integrating the device branch information such as the device model, the software version and the like, analyzing the relevance of the device defect with the manufacturer, the model, the software version and the operation life, providing data support for repairing and transforming secondary devices, and forming a secondary device defect analysis report, as shown in fig. 11.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. A transformer substation secondary equipment defect cloud management system is characterized by comprising the following systems,
s1, a defect reporting system: scanning the preliminary defect information of the identification and statistics by the operation unit through a mobile terminal to acquire and report the information; the input information of the defect reporting system comprises secondary equipment ledger information and equipment defect information, and the output information comprises defect reasons and defect parts;
s2, a defect analysis and identification system: according to the preliminary defect information reported in the defect reporting system, carrying out statistical analysis on the defects, wherein the content of the statistical analysis comprises defect reasons, defect positions and defect severity, screening similar defects according to the analysis result, detecting and identifying the defects, pushing suspected familial defects to a familial defect analysis management module, finally forming a secondary equipment defect analysis report after the defects are analyzed and identified, and storing the secondary equipment defect analysis report to a transformer substation secondary equipment defect cloud management system; the input information of the defect analysis and identification system comprises secondary equipment ledger information, equipment defect information and defect statistical information, and the output information comprises suspected familial defects, defect analysis and identification conclusions and defect analysis reports; s3, a defect handling system: aiming at a defect analysis report in a defect analysis and identification system, formulating a defect disposal scheme, tracking and recording the progress condition of defect disposal, and filing the processed defects into a historical defect library; the input information of the defect disposal system comprises equipment defect information, and the output information comprises a defect disposal scheme, a disposal progress and a historical defect library;
s4, a defect analysis and evaluation system: the defect correction is subjected to overall analysis and evaluation, and the analysis content comprises comprehensive analysis of the reasons of the generated defects, overall analysis of the defect parts, overall analysis of the severity of the defects, analysis of defect processing time, analysis of defect occurrence rate, analysis of defect elimination rate and defect eliminationAnalyzing the timeliness rate; synthesizing equipment information to form a secondary equipment defect analysis report; the input information of the defect analysis and evaluation system comprises secondary equipment standing book information and equipment defect information, and the output information comprises a defect analysis and evaluation result and a defect analysis report; the defect analysis evaluation result comprises a reliability report, and the reliability report comprises a weighted average defect score mu, a reliability statistic threshold value M and a reliability score K of the same type of equipment in the evaluation period 1 。
2. The substation secondary equipment defect cloud management system according to claim 1, wherein the weighted average defect score μ of the secondary equipment in the evaluation period is calculated according to formula (1),
in the formula:
unit: evaluation period of one hundred meters
Mu-weighted average defect score of equipment of the same manufacturer and model in the evaluation period;
Q 1 evaluating the number of general defects of equipment with the same model of the same manufacturer in the period;
Q 2 evaluating the number of serious defects of the same-type equipment of the same manufacturer in a period;
Q 3 the number of critical defects of the same-type equipment of the same manufacturer in the evaluation period is calculated;
A 1 、A 2 、A 3 as weighting factors:
general Defect A 1 ＝1；
Serious defect A 2 ＝2；
Critical defect A 3 ＝3；
N S -counting the number of devices of the same model.
3. The substation secondary equipment defect cloud management system according to claim 1, wherein the reliability statistical threshold value M of the secondary equipment in the evaluation period is calculated according to formula (2),
in the formula:
unit: evaluation period of one hundred meters
M is reliability statistic threshold value;
S 1 the number of general defects of all secondary equipment in the year;
S 2 -the number of all secondary equipment critical defects in the year;
S 3 the number of all secondary equipment critical defects in the past year;
D 1 -evaluating the cycle coverage time in months;
D j -the operation time of the jth device in months;
A 1 、A 2 、A 3 as weighting factors:
general Defect A 1 ＝1；
Serious defect A 2 ＝2；
Critical defect A 3 ＝3；
N-the total secondary equipment statistical number.
4. The cloud management system for defects of secondary equipment of transformer substation according to claim 1, characterized in that the reliability score K of the secondary equipment in the evaluation period 1 Taking values according to the reliability weighted statistic value S, calculating the reliability weighted statistic value S according to a formula (3),
in the formula:
s-reliability weighted statistics;
mu is weighted average defect score of products of the same manufacturer and the same model in an evaluation period;
m is reliability statistic threshold value.
5. A substation secondary equipment defect cloud management system according to any one of claims 1-4, wherein the evaluation period is 12 months.
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| CN201910818532.9A CN110688389B (en) | 2019-08-30 | 2019-08-30 | Cloud management system for defects of secondary equipment of transformer substation |
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| CN201910818532.9A CN110688389B (en) | 2019-08-30 | 2019-08-30 | Cloud management system for defects of secondary equipment of transformer substation |
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| CN110688389B true CN110688389B (en) | 2023-04-18 |
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| CN112596475B (en) * | 2020-12-01 | 2021-11-23 | 北京电子工程总体研究所 | System safety analysis system based on process control |
| CN112834865B (en) * | 2020-12-30 | 2023-11-07 | 淮北工科检测检验有限公司 | Quick fault finder for secondary circuit of power system |
| CN113627802B (en) * | 2021-08-13 | 2024-06-11 | 西安热工研究院有限公司 | Method for online calculating number of wind field fault eliminating machine stops based on defect list |
| CN114399203B (en) * | 2022-01-17 | 2023-04-18 | 国网冀北电力有限公司廊坊供电公司 | Transformer substation maintenance task processing method and system, terminal device and storage medium |
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