CN105447657A - Risk-based operation and maintenance management system of 750KV power equipment - Google Patents
Risk-based operation and maintenance management system of 750KV power equipment Download PDFInfo
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Abstract
The invention relates to the field of research on operation and maintenance management of extra-high/ultrahigh voltage power equipment, and particularly refers to a risk-based operation and maintenance management system of 750kV power equipment. The system comprises an operation check data acquisition module and an operation check data risk analysis management platform; the operation check data acquisition module is provided with a communication device of operation and maintenance data of the power equipment and a processing device of the data; the operation check data risk analysis management platform is provided with a power equipment type division module, a power equipment risk analysis module, an operation and maintenance management measures suggestion module, a data storage module and a display module; and the operation check data acquisition module is correspondingly connected with the operation check data risk analysis management platform. According to the invention, based on the characteristics of a 750kV power grid, such as large operation and maintenance diameter and poor geological conditions, a risk analysis-based operation and maintenance management solution of the 750kV power equipment is provided, differentiated patrolling, operation and maintenance of a 750kV transformer are realized, work quality and work efficiency of on-site operation and maintenance are improved, and safe and reliable work of the power grid is realized.
Description
Technical field
The present invention relates to the operation management research field of spy/ultrahigh voltage power equipment, refer in particular to a kind of operation management system of the 750kV power equipment based on risk.
Background technology
For meeting the growth of energy supply under economic development and power load, the construction speed of China spy/UHV (ultra-high voltage) interconnecting electric power network is accelerated, 750kV electrical network scale increases fast, because ultra-high/extra-high voltage power transmission network covering region area is wide, part 750kV transformer station is in meagrely-populated, strong wind, the rugged surroundings that sand and dust are general, power equipment is more easily aging, the O&M risk of transformer station becomes the potential sunken trouble in substation operation management, once there be fault to occur, be not only electric power enterprise and bring huge loss, but also the accident that can cause casualties, under the environment that situation is more and more severeer, carry out the operation management work of transformer station, improve transformer station's O&M quality, the safety coefficient of producing for even running and the raising of electrical network is necessary.
At present, advanced state service work is progressively goed deep into by State Grid Corporation of China, based on on-line monitoring, the data such as live detection, according to corresponding standard criterion etc., state evaluation is carried out to power transformer, to improve its O&M regulatory level and economic operation level, the repair based on condition of component operation management of power equipment achieves initial success, greatly improve electrical production level, but, along with 750kV electrical network is fast-developing and equipment safety operation index improves constantly, the O&M business of the transformer of voltage levels is had higher requirement, 750kV power equipment many places are in mountain area, the landform such as strong wind district, awful weather location, its safe and stable operation receives acid test, and the corresponding talent team and fortune inspection equipment configurations level are not caught up with in time, existing management mode and means are difficult to meet present stage equipment O&M demand, be difficult to the fast development adapting to modern power network.
The reality of, wide feature loose for spy/ehv power transmission equipment line length, point and residing bad environments, be necessary the operation management system of the power equipment proposing a kind of 750kV based on venture analysis, the operation management pattern of 750kV power equipment is optimized, set up O&M synergistic mechanism, improve emergency response capability, lifting means operation management ability and emergent fault intervention level.
Summary of the invention
For above problem, the invention provides the operation management system of the power equipment of a kind of 750kV based on venture analysis, this system can be applicable to the maintenance work of 750kV power equipment, realize the qualitative analysis of the operation risk of power equipment and the combination of quantitative test, evaluation index is quantized, provide the risk class of the running status of relevant device, and the evaluation decision of repair based on condition of component provides useful guidance for this reason, this system specific aim, workable, improve the electrical network ability to ward off risks, large to O&M radius, severe spy/superhigh tension power transformer equipment the O&M of geologic condition has important demonstration meaning and great economic benefit.
To achieve these goals, the technical solution used in the present invention is as follows:
A kind of operation management system of the 750kV power equipment based on risk, comprise fortune inspection data acquisition module and examine data venture analysis management platform with fortune, fortune inspection data acquisition module is provided with the communication device of power equipment operation/maintenance data and the treating apparatus of data, fortune inspection data venture analysis management platform is provided with power equipment Type division module, power equipment venture analysis module, operation management suggested measures module, data memory module and display module, and fortune inspection data acquisition module examines that data venture analysis management platform is corresponding to be connected with transporting.
Furthermore, described fortune inspection data acquisition module is connected with on-the-spot O&M test unit by network, power equipment machine account is examined data venture analysis management platform with fortune and communicated, and network connection includes spider lines connection and is connected with wireless network.
Furthermore, described on-the-spot O&M test unit comprises data input module and remote communication module.
Furthermore, described fortune inspection data acquisition module and power equipment Type division model calling, power equipment Type division module and power equipment venture analysis model calling, power equipment venture analysis module and operation management suggested measures model calling, data memory module and display module are connected to power equipment Type division module, power equipment venture analysis module, operation management suggested measures module.
Furthermore, described display module adopts display output device.
Beneficial effect of the present invention:
The present invention is directed to the features such as 750kV electrical network O&M radius is large, geologic condition is severe, arrange 750kV power equipment fortune inspection data, carry out problem-targeted equipment risk evaluation, and operation management measure of offering suggestions, a kind of operation management solution of the 750kV power equipment based on venture analysis is provided, the differentiation realizing 750kV transformer is maked an inspection tour, O&M, improves the work quality of on-the-spot O&M, work efficiency, and then realizes safety and the reliably working of electrical network.
Accompanying drawing explanation
Fig. 1 is the operation management system structural drawing of 750kV power equipment of the present invention;
Fig. 2 is the operation management system venture analysis process flow diagram of 750kV power equipment of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment, technical scheme of the present invention is described.
As shown in Figure 1, the operation management system of a kind of 750kV power equipment based on risk of the present invention, comprise fortune inspection data acquisition module and examine data venture analysis management platform with fortune, fortune inspection data acquisition module is provided with the communication device of power equipment operation/maintenance data and the treating apparatus of data, fortune inspection data venture analysis management platform is provided with power equipment Type division module, power equipment venture analysis module, operation management suggested measures module, data memory module and display module, and fortune inspection data acquisition module examines that data venture analysis management platform is corresponding to be connected with transporting.The above forms basic structure of the present invention.
More specifically, described fortune inspection data acquisition module is connected with on-the-spot O&M test unit by network, power equipment machine account is examined data venture analysis management platform with fortune and communicated, and described network connection includes spider lines connection and is connected with wireless network.Adopting such setting, the standardization processing to gathering 750kV electric power equipment on-site operation/maintenance data can being realized by fortune inspection data acquisition module.
More specifically, described on-the-spot O&M test unit comprises data input module and remote communication module.Adopt such setting, by data input module and remote communication module Information Monitoring inputed to transport and examine data acquisition module.
More specifically, described fortune inspection data acquisition module and power equipment Type division model calling, after receiving the relevant fortune inspection data of tested power equipment, preliminary division is carried out to power equipment, Preliminary division equipment in subsystem level level, according to collecting the historical data bases such as the fortune seizure test data of institute assessment power equipment, service data, family's defect and hidden danger, maintenance be relevant, the defect database of apparatus for establishing and historical data base.Wherein, under close operation and testing conditions, the same quantity of state of same family equipment does not have notable difference.As there is familial defect, then there are other equipment of same design, material, technique, no matter whether it currently can detect same defects, also should be considered as the material risk that there is this kind of defect.
More specifically, described power equipment Type division module and power equipment venture analysis model calling, and according to the power equipment related data to be assessed collected, determine its value-at-risk under current operating situation.The function of power equipment venture analysis module comprise determine risk assessment object risk elements, formulate risk evaluation model, determine the Risk rated ratio of all kinds of power equipment, calculation risk value, divide risk class, set up risk Metrics, determine running status and the risk evaluation result of evaluation equipment.
More specifically, described power equipment venture analysis module and operation management suggested measures model calling, described data memory module and display module are connected to power equipment Type division module, power equipment venture analysis module, operation management suggested measures module.Operation management suggested measures module comprises relevant criterion criterion knowledge base and expert knowledge library, and corresponding suggestion and measure is chosen from knowledge base.
More specifically, described display module adopts display output device.
As shown in Figure 2, the operation management system venture analysis process flow diagram of 750kV power equipment, as follows according to its step of embodiment:
Step S10: after the related data obtaining power equipment to be assessed, determines object and risk description, kind and the category of risk assessment, comprises the operating risk equivalent risk key element of the environment of equipment operation, device type, personnel.Concrete, in the risk assessment of 750kV power equipment, the risk of following several respects can be considered:
1. natural cause changes the risk brought.Having a big risk of the O&M of power equipment is how all relevant with weather conditions, and natural cause change is the risk being difficult to predict.
2. the improper risk caused of human users.Running program for electrical network power transformation operation maintenance personnel is improper also can bring risk, the problem of operational means, can directly cause power transformation O&M to there is risk.Correct operational means is very important, and operating personnel should observe operating process, and careful carrying out conscientiously operates.
3. the risk brought of bus grid switching operation.Due to the shortage of preliminary work, and the flow process of bus grid switching operation is not come by regulated procedure, and this also easily causes risk.
Step S20: formulate risk evaluation model.For the difference of the variety classes of risk and the influence degree to power equipment running status, in conjunction with expertise and statistics, determine the different Risk rated ratio corresponding to all kinds of power equipment.Concrete, to the quantitative analysis of statistical data, and environment determines the weights of each risk residing for the experience of expert and power equipment.
As an embodiment, bad environments residing for 750kV power equipment, considers natural cause risk, with current strong wind for key factor, with sand and dust, solar exposure for secondary cause, to be struck by lightning for reference factor carrys out Comprehensive Assessment; Personnel risk, then with peopleware key factor, take shift management as secondary cause, and O&M Equipments Setting and external environment condition are that reference factor carrys out Comprehensive Assessment; Switch operation risk assessment take cultivation scale as key factor, and with equipment health status for secondary cause, environmental factor is that reference factor carrys out Comprehensive Assessment; Substation equipment maintenance and repair risk assessment is key factor with job content, take cultivation scale as secondary cause, with equipment health status and environmental factor for reference factor carrys out Comprehensive Assessment.
Step S30: the risk classifications faced according to current device, and the Risk rated ratio that step S20 formulates, carry out semi-quantitative analysis, the value-at-risk of computing equipment under different conditions, and divide hazard rating according to these score values.Concrete, the computing formula of the power equipment value-at-risk of described consideration Risk rated ratio is as follows:
C＝c
1ω
1(x
1)+c
2ω
2(x
2)+...+c
nω
n(x
n)
In formula, C is the value-at-risk of power equipment, c
ifor the value of the severity of consequence that risk i brings, ω
i(x
i) weights shared by the risk i of power equipment.Wherein, c
ivalue larger, then the consequence brought of risk i is more serious; ω
i(x
i) value larger, then the impact that brings this power equipment of risk i is larger; The value of C is larger, then the risk of power equipment is higher, and the value of y is larger, then power grid security risk is lower.
Wherein, ω
i(x
i) numerical value, can on the basis taking into full account power-supply unit feature and expertise experience, formulate with reference to Guidelines, and according to the change of the running status of this power equipment of later stage, this value can be adjusted accordingly.
As an embodiment, can consider that introducing the risk of following factor to power equipment evaluates: as the safety effects of environment, the safety effects of personnel, the significance level in power supply process, economic factors, the aspects such as maintenance complexity.
Step S40: provide concrete dangerous score value and divide risk class based on value-at-risk, according to the result of risk assessment and the difference of embody rule situation, marks off the hazard rating of different risk.Concrete, according to the value-at-risk that step S30 calculates, divide the risk class of this power equipment.Wherein, risk class is divided into five grades, and from I grade ~ V grade, the risk class of I grade is minimum, and the risk class of V grade is the highest.
Five risk class of described power equipment can adopt the Region dividing of value-at-risk to weigh.Such as, according to centesimal system, can be decided to be: I grade is less than 20 points, II grade is 20 ~ 40 points, and III grade is 40 ~ 60 points, and IV grade is 60 ~ 80 points, and V grade is 80 ~ 100 points.Meanwhile, the difference that can require power equipment safety Operation class according to actual motion, adjusts the division in each value-at-risk region.
Step S50: analyze the seriousness endangering the possibility, frequency and the consequence that are converted into risk, in conjunction with the possibility that risk class definition and the risk of power equipment O&M occur, set up risk Metrics, determine the running status of evaluation equipment, with this numerical value for foundation draws risk evaluation result.Concrete, risk Metrics is on the basis to factor analysis in risk severity and risk probability two, and the size of direct evaluation item risk is by risk factors effect.
Wherein, with reference to expertise and the historical data base of power equipment O&M, here the possibility that 750kV power equipment O&M risk occurs is defined as frequently, often, sometimes, few 4 grades.Meanwhile, the risk and hazard grade of power equipment O&M described in integrating step S40, assesses the O&M risk of power equipment.Corresponding risk numerical value can be set as not tolerable line and risk according to the needs of actual motion and can ignore line.Risk Assessment Code is between not tolerable line and can ignore between line, be then tolerable district.
Operation management suggested measures module and power equipment venture analysis model calling, after the value-at-risk determining power equipment to be assessed and risk class, the risk for different brackets takes different operation management measures, formulates the suggestion of follow-up action.Concrete, in actual moving process, according to the state of the equipment of electric power, can normal condition, attention state, abnormality and severe conditions.
Consider that being in the power equipment running status can ignoring risk zones is normal condition, the power equipment within the scope of this can normally run; The running status being in the power equipment in tolerable district is attention state, and the power equipment within the scope of this still can continue to run, but should strengthen operating supervision; Being in the running status of power equipment of tolerance region to be abnormality, and severe conditions, should monitor operation, and according to the concrete value-at-risk of power equipment, arranges interruption maintenance in good time or in time.
Be more than the present invention's preferably embodiment, those skilled in the art in the invention can also change above-mentioned embodiment and revise.Therefore, the present invention is not limited to above-mentioned embodiment, and any apparent improvement that every those skilled in the art do on basis of the present invention, replacement or modification all belong to protection scope of the present invention.
Claims (5)
1. the operation management system based on the 750kV power equipment of risk, comprise fortune inspection data acquisition module and examine data venture analysis management platform with fortune, it is characterized in that: described fortune inspection data acquisition module is provided with the communication device of power equipment operation/maintenance data and the treating apparatus of data, described fortune inspection data venture analysis management platform is provided with power equipment Type division module, power equipment venture analysis module, operation management suggested measures module, data memory module and display module, described fortune inspection data acquisition module examines that data venture analysis management platform is corresponding to be connected with transporting.
2. the operation management system of a kind of 750kV power equipment based on risk according to claim 1, it is characterized in that: described fortune inspection data acquisition module is connected with on-the-spot O&M test unit by network, power equipment machine account is examined data venture analysis management platform with fortune and communicated, described network connection includes spider lines connection and is connected with wireless network.
3. the operation management system of a kind of 750kV power equipment based on risk according to claim 2, is characterized in that: described on-the-spot O&M test unit comprises data input module and remote communication module.
4. the operation management system of a kind of 750kV power equipment based on risk according to claim 1, it is characterized in that: described fortune inspection data acquisition module and power equipment Type division model calling, described power equipment Type division module and power equipment venture analysis model calling, described power equipment venture analysis module and operation management suggested measures model calling, described data memory module and display module are connected to power equipment Type division module, power equipment venture analysis module, operation management suggested measures module.
5. the operation management system of a kind of 750kV power equipment based on risk according to claim 4, is characterized in that: described display module adopts display output device.
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| CN108734368A (en) * | 2017-04-25 | 2018-11-02 | 鸿富锦精密电子(天津)有限公司 | Risk early warning management and control system and method |
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| CN112001561A (en) * | 2020-09-01 | 2020-11-27 | 国网安徽省电力有限公司信息通信分公司 | Electric power industry risk prediction method and system |
| CN112084100A (en) * | 2020-09-11 | 2020-12-15 | 山东英信计算机技术有限公司 | Server operation and maintenance method, device, equipment and readable storage medium |
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| CN109327322B (en) * | 2017-08-01 | 2022-09-30 | 全球能源互联网研究院 | Method and system for evaluating risk tolerance of network service quality |
| CN110866695A (en) * | 2019-11-15 | 2020-03-06 | 国网天津市电力公司 | Auxiliary maintenance decision method based on association of equipment running state and maintenance work |
| CN112001561A (en) * | 2020-09-01 | 2020-11-27 | 国网安徽省电力有限公司信息通信分公司 | Electric power industry risk prediction method and system |
| CN112084100A (en) * | 2020-09-11 | 2020-12-15 | 山东英信计算机技术有限公司 | Server operation and maintenance method, device, equipment and readable storage medium |
| CN112084100B (en) * | 2020-09-11 | 2023-02-28 | 山东英信计算机技术有限公司 | Server operation and maintenance method, device and equipment and readable storage medium |
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