CN102354918A - Method and device for maintaining power transmission and transformation equipment - Google Patents
Method and device for maintaining power transmission and transformation equipment Download PDFInfo
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Abstract
The invention provides a method and device for maintaining power transmission and transformation equipment. The method comprises the following steps of: acquiring data required by equipment maintenance decisions, such as equipment state quantity index warning information data acquired from a monitoring warning layer, state evaluation result data acquired from a state evaluation layer, fault diagnosis result data acquired from a fault diagnosis layer, risk evaluation result data acquired from a risk evaluation layer, maintenance decision suggestion data generated by a maintenance policy layer and external constraint conditions; and carrying out decision analysis on the acquired data, establishing an equipment state maintenance policy model, optimizing maintenance sequence, maintenance time and maintenance grade of the power transmission and transformation equipment, and determining equipment maintenance property as well as arranging a maintenance decision plan. By using the method and device, key equipment faults and unnecessary maintenance operations can be avoided by timely maintenances, and the optimal distribution and use are searched in limited maintenance cost, thus effectively saving manpower and material resources.
Description
Technical field
The present invention relates to field of power, relate in particular to a kind of power transmission and transforming equipment repair method and a kind of power transmission and transforming equipment apparatus for examination and repair.
Background technology
Along with the rapid expansion of scale of power, power transmission and transforming equipment quantity is increased sharply, and the power transmission and transforming equipment fault gives people's the influence that production and life brought increasing, and people are more and more higher to the requirement of the reliable power supply of electrical network.Therefore, have a power failure, reduce the equipment frequency of power cut, improve equipment availability, guarantee power network safety operation that in order to reduce unnecessary repeating the maintenance of power transmission and transforming equipment is inevitable.
Traditional power transmission and transforming equipment maintenance pattern comprises maintenance and periodic inspection dual mode afterwards, and wherein, maintenance is a kind of maintenance of passivity afterwards, occurs unpredictalbe device damage easily, causes certain loss; And periodic inspection pattern specific aim is poor, and healthy equipment accompanies the examination rate too high, makes that the number of devices that is overhauled is more outstanding with the contradiction of maintenance human and material resources resource-constrained, can not satisfy the production actual needs.It is thus clear that present overhaul management pattern has very big restriction to mains supply.
In addition; Through electric network reconstruction in recent years; The electrical network scientific and technological content improves greatly; Electric network composition is increasingly rationalized; Power system operating mode is optimized; A large amount of new equipment, new technologies are used widely; Therefore; How on this basis package service data, on-line monitoring, live testing, family's defective, test data and historical overhaul data; Operation conditions that valuator device is current and health status; To set up suitable maintenance mode model, formulate rational maintenance decision plan, become problem demanding prompt solution.
Therefore; Adopt the repair based on condition of component pattern, estimate the power transmission and transforming equipment operation conditions, and then formulate the maintenance strategy through risk assessment; Become power grid enterprises and building " intelligent grid " under the new situation, ensure the power grid security economical operation, improve utilization rate of equipment and installations and effectively economize on resources under inevitable choice.
Summary of the invention
The present invention provides a kind of power transmission and transforming equipment repair method and device, can improve the effectiveness of overhaul of the equipments and reduce the human and material resources resources costs.
A kind of power transmission and transforming equipment repair method may further comprise the steps:
Obtain and carry out the required data of overhaul of the equipments decision-making, the said required data of overhaul of the equipments decision-making of carrying out comprise: the equipment state figureofmerit early warning information data of obtaining from the monitoring and warning layer, the state evaluation result data that obtains from the state evaluation layer, the fault diagnosis result data that obtain from the failure diagnosis layer, the risk evaluation result data that obtain from the risk assessment layer, the maintenance decision suggestion data that produce from the maintenance policy layer and the condition of external constraint;
Data to obtaining are carried out Analysis of Policy Making, and apparatus for establishing repair based on condition of component Policy model is optimized power transmission and transforming equipment maintenance order, repair time and maintenance grade, confirms overhaul of the equipments character and arranges the maintenance decision plan.
A kind of power transmission and transforming equipment apparatus for examination and repair comprises:
Data acquisition module; Be used to obtain and carry out the required data of overhaul of the equipments decision-making, the said required data of overhaul of the equipments decision-making of carrying out comprise: the equipment state figureofmerit early warning information data of obtaining from the monitoring and warning layer, the state evaluation result data that obtains from the state evaluation layer, the fault diagnosis result data that obtain from the failure diagnosis layer, the risk evaluation result data that obtain from the risk assessment layer, the maintenance decision suggestion data that produce from the maintenance policy layer and the condition of external constraint;
The maintenance module is used for the data of obtaining are carried out Analysis of Policy Making, and apparatus for establishing repair based on condition of component Policy model is optimized power transmission and transforming equipment maintenance order, repair time and maintenance grade, confirms overhaul of the equipments character and arranges the maintenance decision plan.
Can find out through above scheme; Power transmission and transforming equipment repair method of the present invention and device; With equipment state evaluation result, risk assessment conclusion etc. is basic apparatus for establishing repair based on condition of component Policy model; The maintenance of complex optimum power transmission and transforming equipment order, repair time and maintenance grade; Avoid the visual plant fault through in good time maintenance; Simultaneously avoid unnecessary maintenance activity again, can in limited maintenance cost, seek optimized distribution and use, effectively practiced thrift the human and material resources resource.
Description of drawings
Fig. 1 is a power transmission and transforming equipment repair method sketch map of the present invention;
Fig. 2 is the structural representation of power transmission and transforming equipment apparatus for examination and repair of the present invention.
Embodiment
The present invention provides a kind of power transmission and transforming equipment repair method and device, can solve the low and high problem of human and material resources resources costs of effectiveness of overhaul of the equipments in the existing power transmission and transforming equipment repair method.
A kind of power transmission and transforming equipment repair method of the present invention as shown in Figure 1, comprises the steps:
Step S1; Obtain and carry out the required data of overhaul of the equipments decision-making, the said required data of overhaul of the equipments decision-making of carrying out comprise: the equipment state figureofmerit early warning information data of obtaining from the monitoring and warning layer, the state evaluation result data that obtains from the state evaluation layer, the fault diagnosis result data that obtain from the failure diagnosis layer, the risk evaluation result data that obtain from the risk assessment layer, the maintenance decision suggestion data that produce from the maintenance policy layer and the condition of external constraint etc.;
Step S2 carries out Analysis of Policy Making to the data of obtaining, and apparatus for establishing repair based on condition of component Policy model is optimized power transmission and transforming equipment maintenance order, repair time and maintenance grade, confirms overhaul of the equipments character and arranges the maintenance decision plan.
Wherein, said equipment state overhauling Policy model follow that the equipment state evaluation result is poor more, equipment risk class the give priority in arranging for principle of maintenance of Gao Zeyue more.
As an embodiment preferably, said obtain carry out the required data of overhaul of the equipments decision-making before, can also comprise the steps:
Step S101; Based on operational inspection, maintenance, maintenance, preventive trial and live testing results such as (on-line monitorings); Power transmission and transforming equipment is carried out the equipment state evaluation, and promptly assay goes out to reflect each quantity of state index of equipment health status, confirms the equipment state grade.
Above-mentioned quantity of state is the direct or indirect various information of characterization device state, and like data, sound, image, phenomenon etc., quantity of state can be divided into general state amount and important state amount.The general state amount refers to the performance and the relative less quantity of state of safe operation influence to equipment; The important state amount refers to the performance of equipment and safe operation are had the quantity of state of considerable influence.
State evaluation is carried out the mobilism management, need carry out state evaluation one time after maintenance or the test at every turn.
Can be through the state of regular checkout facility; Like means such as tour, inspection, tests; Perhaps the time with good conditionsi, pass through the actual state that the quantity of state of some is gathered in on-line monitoring, charged detection etc.; Make an inspection tour record, defective over the years and exception record, infrared measurement of temperature record, service bulletin, prerun report, the report of SF6 gas examination, on-line monitoring information, special test report etc. like nameplate parameter, circuit breaker action frequency, circuit breaker failure tripping operation record, equipment, carry out state evaluation according to these data that collect then.
Step S102 on the basis that equipment state is estimated, carries out equipment risk evaluation according to the result of said equipment state evaluation, possibility that assessment apparatus breaks down and severity of consequence, confirm that equipment faces with the risk that possibly cause.
Step S103 carries out failure diagnosis to the equipment state figureofmerit equipment that early warning or the general level of the health descends that exceeds standard, and the failure cause and the trouble location that adopt the existing fault diagnostic method to diagnose out equipment to exist are to instruct troubleshooting and fault recovery.
Wherein, In step S2; The result that said equipment state overhauling Policy model is estimated according to power transmission and transformation equipment state; Consider the power transmission and transforming equipment risk factors; The equipment state evaluation result is poor more, the equipment risk class more Gao Zeyue give priority in arranging for the maintenance principle; Optimize power transmission and transforming equipment maintenance order, repair time and maintenance grade, confirm overhaul of the equipments character and arrange the maintenance decision plan.Be specially:, the power transmission and transformation service work can be divided into four types: category-A maintenance, category-B maintenance, the maintenance of C class, the maintenance of D class according to job specification content and work coverage.Wherein A, B, C class are interruption maintenances, and the D class is an interruption maintenance not.
Concrete maintenance decision plans are following:
A. " normal condition " maintenance is tactful
Be be evaluated as the power transmission and transforming equipment of " normal condition ", carry out the maintenance of C class.According to the power transmission and transforming equipment actual state, the maintenance of C class can be carried out according to normal cycle or proper extension.Before the maintenance of C class, can suitably arrange the maintenance of D class according to actual needs.
B. " attention state " maintenance is tactful
Be be evaluated as the power transmission and transforming equipment of " attention state ", if power transmission and transforming equipment can be returned to normal condition, then can arrange the maintenance of D class in good time, otherwise should carry out the maintenance of C class with the maintenance of D class.When if the deduction of points of individual event quantity of state causes evaluation result to be " attention state ", should arrange the maintenance of C class in advance according to actual conditions.If when only adding up to deduction of points or overall assessment to cause evaluation result to be " attention state ", can carry out, and, increase necessary maintenance or content of the test according to the actual state of power transmission and transforming equipment by normal cycle by all quantity of states of power transmission and transforming equipment unit.Before the maintenance of C class, can suitably strengthen the maintenance of D class according to actual needs.
C. " abnormality " maintenance is tactful
Be be evaluated as the power transmission and transforming equipment of " abnormality ", should arrange the maintenance of C class in advance, and suitably arrange the category-B maintenance according to actual conditions.Implement to strengthen the maintenance of D class before the interruption maintenance.
D. the maintenance strategy of " serious state "
Be be evaluated as the power transmission and transforming equipment of " serious state ", and arrange category-B or category-A maintenance as early as possible.Implement to strengthen the maintenance of D class before the interruption maintenance.
For standard with effectively carry out equipment state overhauling work; Carry out equipment state overhauling; As an embodiment preferably; Can be in advance work out equipment state overhauling strategy technology guide rule, for the generation of power transmission and transformation equipment state overhauling decision plan provides foundation according to the equipment state overhauling administrative provisions of setting (the equipment state overhauling administrative provisions inner) like each grid company.
Corresponding with a kind of power transmission and transforming equipment repair method of the present invention, the present invention also provides a kind of power transmission and transforming equipment apparatus for examination and repair, as shown in Figure 2, comprising:
Data acquisition module; Be used to obtain and carry out the required data of overhaul of the equipments decision-making, the said required data of overhaul of the equipments decision-making of carrying out comprise: the equipment state figureofmerit early warning information data of obtaining from the monitoring and warning layer, the state evaluation result data that obtains from the state evaluation layer, the fault diagnosis result data that obtain from the failure diagnosis layer, the risk evaluation result data that obtain from the risk assessment layer, the maintenance decision suggestion data that produce from the maintenance policy layer and the condition of external constraint;
The maintenance module is used for the data of obtaining are carried out Analysis of Policy Making, and apparatus for establishing repair based on condition of component Policy model is optimized power transmission and transforming equipment maintenance order, repair time and maintenance grade, confirms overhaul of the equipments character and arranges the maintenance decision plan.
Wherein, the equipment state overhauling Policy model of setting up in the module in maintenance follow that the equipment state evaluation result is poor more, equipment risk class the give priority in arranging for principle of maintenance of Gao Zeyue more.
As an embodiment preferably, device of the present invention can also comprise:
The state evaluation module is used for power transmission and transforming equipment is carried out the equipment state evaluation, confirms the equipment state grade;
Risk evaluation module is used for carrying out equipment risk evaluation according to said equipment state evaluation result, confirms the risk that equipment faces;
Fault diagnosis module is used for the equipment state figureofmerit equipment that early warning or the general level of the health descends that exceeds standard is carried out failure diagnosis, failure cause and the trouble location of diagnosing out equipment to exist.
For standard with effectively carry out equipment state overhauling work; Carry out equipment state overhauling; Device of the present invention can also comprise guide rule formulation module; Be used for working out equipment state overhauling strategy technology guide rule, for the generation of said maintenance decision plan provides foundation according to the equipment state overhauling administrative provisions of setting.
Other technologies characteristic in a kind of power transmission and transforming equipment apparatus for examination and repair of the present invention and above-mentioned a kind of power transmission and transforming equipment repair method are similar, do not repeat them here.
Method of the present invention and device are applicable to unit and the equipment of carrying out repair based on condition of component, for unit that does not carry out repair based on condition of component and equipment, can still carry out the service work that original overhaul management standard and relevant rules, regulation are carried out power transmission and transforming equipment.
Can find out by above scheme; Power transmission and transforming equipment repair method of the present invention and device; With the equipment state evaluation result; Risk assessment conclusion etc. is basic apparatus for establishing repair based on condition of component Policy model; Complex optimum power transmission and transforming equipment maintenance order; Repair time and maintenance grade; Promptly can overhaul or postpone maintenance in advance to power transmission and transforming equipment according to the equipment risk; This mode that power transmission and transforming equipment is keeped in repair in good time can effectively be avoided the visual plant fault; Avoided simultaneously unnecessary maintenance activity again; Realized in limited maintenance cost, seeking the purpose that optimized distribution is used, practiced thrift manpower; Material resources.
Above-described embodiment of the present invention does not constitute the qualification to protection range of the present invention.Any modification of within spirit of the present invention and principle, being done, be equal to replacement and improvement etc., all should be included within the claim protection range of the present invention.
Claims (9)
1. a power transmission and transforming equipment repair method is characterized in that, may further comprise the steps:
Obtain and carry out the required data of overhaul of the equipments decision-making, the said required data of overhaul of the equipments decision-making of carrying out comprise: the equipment state figureofmerit early warning information data of obtaining from the monitoring and warning layer, the state evaluation result data that obtains from the state evaluation layer, the fault diagnosis result data that obtain from the failure diagnosis layer, the risk evaluation result data that obtain from the risk assessment layer, the maintenance decision suggestion data that produce from the maintenance policy layer and the condition of external constraint;
Data to obtaining are carried out Analysis of Policy Making, and apparatus for establishing repair based on condition of component Policy model is optimized power transmission and transforming equipment maintenance order, repair time and maintenance grade, confirms overhaul of the equipments character and arranges the maintenance decision plan.
2. power transmission and transforming equipment repair method according to claim 1 is characterized in that, said obtain carry out the required data of overhaul of the equipments decision-making before, also comprise step:
Power transmission and transforming equipment is carried out the equipment state evaluation, confirm the equipment state grade;
Carry out equipment risk evaluation according to said equipment state evaluation result, confirm the risk that equipment faces;
The equipment state figureofmerit equipment that early warning or the general level of the health descends that exceeds standard is carried out failure diagnosis, failure cause and the trouble location of diagnosing out equipment to exist.
3. power transmission and transforming equipment repair method according to claim 1 is characterized in that, also comprises step: work out equipment state overhauling strategy technology guide rule according to the equipment state overhauling administrative provisions of setting, for the generation of said maintenance decision plan provides foundation.
4. power transmission and transforming equipment repair method according to claim 2 is characterized in that, said state evaluation is carried out the mobilism management, carries out state evaluation one time after maintenance or the test at every turn.
5. according to claim 1 or 2 or 3 or 4 described power transmission and transforming equipment repair methods, it is characterized in that said equipment state overhauling Policy model follows that the equipment state evaluation result is poor more, equipment risk class the give priority in arranging for principle of maintenance of Gao Zeyue more.
6. a power transmission and transforming equipment apparatus for examination and repair is characterized in that, comprising:
Data acquisition module; Be used to obtain and carry out the required data of overhaul of the equipments decision-making, the said required data of overhaul of the equipments decision-making of carrying out comprise: the equipment state figureofmerit early warning information data of obtaining from the monitoring and warning layer, the state evaluation result data that obtains from the state evaluation layer, the fault diagnosis result data that obtain from the failure diagnosis layer, the risk evaluation result data that obtain from the risk assessment layer, the maintenance decision suggestion data that produce from the maintenance policy layer and the condition of external constraint;
The maintenance module is used for the data of obtaining are carried out Analysis of Policy Making, and apparatus for establishing repair based on condition of component Policy model is optimized power transmission and transforming equipment maintenance order, repair time and maintenance grade, confirms overhaul of the equipments character and arranges the maintenance decision plan.
7. power transmission and transforming equipment apparatus for examination and repair according to claim 6 is characterized in that, also comprises:
The state evaluation module is used for power transmission and transforming equipment is carried out the equipment state evaluation, confirms the equipment state grade;
Risk evaluation module is used for carrying out equipment risk evaluation according to said equipment state evaluation result, confirms the risk that equipment faces;
Fault diagnosis module is used for the equipment state figureofmerit equipment that early warning or the general level of the health descends that exceeds standard is carried out failure diagnosis, failure cause and the trouble location of diagnosing out equipment to exist.
8. power transmission and transforming equipment apparatus for examination and repair according to claim 6 is characterized in that, also comprises:
Guide rule is worked out module, is used for working out equipment state overhauling strategy technology guide rule according to the equipment state overhauling administrative provisions of setting, for the generation of said maintenance decision plan provides foundation.
9. according to claim 6 or 7 or 8 described power transmission and transforming equipment apparatus for examination and repair, it is characterized in that said equipment state overhauling Policy model follows that the equipment state evaluation result is poor more, equipment risk class the give priority in arranging for principle of maintenance of Gao Zeyue more.
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| CN102623910A (en) * | 2012-04-27 | 2012-08-01 | 重庆大学 | Reliability-based maintenance decision method for switch equipment |
| CN102622525A (en) * | 2012-03-31 | 2012-08-01 | 广东电网公司电力科学研究院 | State evaluation system for SF6 circuit breaker |
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