CN102222276A - State maintenance method and device for secondary equipment of power grid - Google Patents
State maintenance method and device for secondary equipment of power grid Download PDFInfo
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Abstract
The invention discloses a state maintenance method for secondary equipment of a power grid. The method comprises the following steps of: establishing a maintenance model: establishing a state maintenance model comprising a plurality of assessment items and a maintenance strategy for the secondary equipment in a management information system, wherein each assessment item comprises at least one assessment index; evaluating an equipment state: acquiring online and/or offline data information of the assessment index of each assessment item in the state assessment model of the secondary equipment to be detected from the management information system and evaluating the state of the equipment according to the data information; and making a maintenance scheme: making a maintenance scheme of the equipment according to a state evaluation result of the equipment and the maintenance strategy in the state maintenance model. The invention further discloses a corresponding state maintenance device for the secondary equipment of the power grid. According to the method and the method, the investment and maintenance costs of the secondary equipment of the power grid can be reduced greatly.
Description
Technical field
The present invention relates to power system automatic field, relate in particular to a kind of electrical network secondary device repair based on condition of component method and device.
Background technology
Power-supply unit and system trend towards intelligent and complicated day by day, and be also more and more higher to the maintenance requirement of power-supply unit, and the maintenance of equipment expense has become a capital cost of power supply enterprise gradually from initial fewer share.Along with the deep reform of China's electric power system and the implementation of " separate the factory and network, surf the Net at a competitive price ", the pressure that electric power enterprise will be faced with and reduce cost, enhance competitiveness.At present, electric power enterprise is carried out is maintenance system based on scheduled overhaul.This maintenance system guarantee arrangements such as human and material resources and fund planned, kept the basicly stable property of power supply.If but equipment does not then produce local fault in turn(a)round, is subjected to the restriction of turnaround plan, has to go to work braving one's illness, cause maintenance not enough.For the more equipment of defective, often move less than the next repair time, just must carry out the accident maintenance, and equipment in good condition will carry out unnecessary maintenance according to schedule.The equipment that scheduled overhaul causes is crossed and is repaiied or in bad repair, has increased the cost of overhaul and the running losses of enterprise undoubtedly greatly.Therefore the service technique of electric power enterprise needs further to improve.
The scheduled overhaul system of power equipment exists major defect, and is frequent as provisional maintenance, maintenance is not enough or maintenance is superfluous, blindly maintenance etc., and this makes electric system costly aspect overhaul of the equipments every year.Rationally arrange the maintenance of power equipment, save recondition expense, reduce the cost of overhaul, there is higher reliability in the system that guarantees simultaneously, is an important topic of electric system.Along with comprehensive intelligent systems such as sensing technology, microelectronics, computer software and hardware and Digital Signal Processing, artificial neural network, expert system, fuzzy set theory use in status monitoring and fault diagnosis, make based on the research of the repair based on condition of component of equipment condition monitoring and advanced diagnostic techniques and use developed.
The repair based on condition of component of electric system primary equipment is progressively carried out, and has also obtained some effects, but the repair based on condition of component of secondary device is scarcely out of swaddling-clothes at present, does not have effective repair based on condition of component scheme.
Summary of the invention
Technical matters to be solved by this invention is: a kind of electrical network secondary device repair based on condition of component method is provided, this method only needs at management information system (Management Information System, MIS) safeguard the repair based on condition of component model of electrical network secondary device in, need can not reduce investment and maintenance cost greatly in transformer station's side erecting device and maintenance.
The further technical matters to be solved of the present invention is: a kind of electrical network secondary device repair based on condition of component device is provided, this system only needs to safeguard the repair based on condition of component model of electrical network secondary device in MIS, need can not reduce investment and maintenance cost greatly in transformer station's side erecting device and maintenance.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of electrical network secondary device repair based on condition of component method includes:
Maintenance modelling step is set up the repair based on condition of component model that includes some assessment items and maintenance strategy for secondary device in management information system, wherein, each assessment item includes at least one evaluation index;
The equipment state evaluation procedure obtains the online and/or off-line data information of the evaluation index of each assessment item in the repair based on condition of component model of secondary device to be detected from management information system, and according to described data message this equipment is carried out state evaluation;
Maintenance solution formulation step according to the state evaluation result of this equipment and the maintenance strategy in the described repair based on condition of component model, is formulated the maintenance scheme to this equipment.
Correspondingly, the invention also discloses a kind of electrical network secondary device repair based on condition of component device, include:
Maintenance modelling unit is used for setting up the repair based on condition of component model that includes some assessment items and maintenance strategy in management information system for secondary device, and wherein, each assessment item includes at least one evaluation index;
The equipment state evaluation unit is used for obtaining from management information system the online and/or off-line data information of the evaluation index of each assessment item the repair based on condition of component model of secondary device to be detected, and according to described data message this equipment is carried out state evaluation;
Maintenance solution formulation unit is used for according to the state evaluation result of this equipment and the maintenance strategy of described repair based on condition of component model, formulates the maintenance scheme to this equipment.
The invention has the beneficial effects as follows:
Embodiments of the invention are by setting up secondary device repair based on condition of component model in MIS, utilize the dynamic data information of secondary device among the MIS, the information binding hierarchy analytical approachs such as Back ground Information, family's defect information, Test Information, on-line monitoring information, bad operating condition that comprise secondary device are estimated the state of secondary device, and then form the repair based on condition of component scheme.Because the repair based on condition of component modelling is in MIS, thereby need not the side installation and maintenance in transformer station, greatly reduce investment and maintenance cost.
The present invention is described in further detail below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is the realization flow figure of the embodiment of electrical network secondary device repair based on condition of component method based on the step analysis model provided by the invention;
Fig. 2 is the composition structural drawing of the embodiment of electrical network secondary device repair based on condition of component device based on the step analysis model provided by the invention.
Embodiment
Describe an embodiment of electrical network secondary device repair based on condition of component method provided by the invention in detail below with reference to Fig. 1; As shown in the figure, present embodiment realizes that an electrical network secondary device maintenance flow process mainly includes:
Maintenance modelling step S1 sets up the repair based on condition of component model that includes some assessment items and maintenance strategy for secondary device in MIS, wherein, each assessment item comprises at least one evaluation index;
Equipment state evaluation procedure S2 obtains the online and/or off-line data information of the evaluation index of each assessment item in the state evaluation model of secondary device to be detected from MIS, and according to described data message this equipment is carried out state evaluation;
Maintenance solution formulation step S3 according to the state evaluation result of this equipment and the maintenance strategy in the described repair based on condition of component model, formulates the maintenance scheme to this equipment.
During specific implementation, in equipment state evaluation procedure S2, adopt the method for evaluating state of secondary device that secondary device is carried out state evaluation.This step can specifically include:
Facility information is collected step S21, from MIS, obtain the online and/or off-line data information of the evaluation index of each assessment item, comprise information such as Back ground Information, test figure, online monitoring data, bad operating condition, family's defective, in conjunction with the production real data;
Evaluation weight calculation procedure S22 adopts analytical hierarchy process to calculate the evaluation weight of each assessment item in the described state evaluation model;
State score calculation step S23, the state scoring of calculating this equipment in conjunction with the evaluation weight of described data message and described assessment item correspondence.
Particularly, this step S2 can comprise:
Facility information obtains step S21, obtains the online and/or off-line data information of the evaluation index of each assessment item from management information system;
Evaluation weight calculation procedure S22 adopts analytical hierarchy process to calculate the evaluation weight of each assessment item in the described state evaluation model;
State score calculation step S23, the state scoring of calculating this equipment in conjunction with the evaluation weight of described data message and described assessment item correspondence.
Wherein, facility information acquisition step S21 can further comprise:
In information gathering procedure S211, from management information system, collect and gather secondary device to be detected, comprise the reference information of the preceding Back ground Information that puts into operation, operation information, test detection data, all previous service bulletin and record, equipment of the same type at the characteristic quantity relevant of making, put into operation, move, safeguarding, produce in the maintenance, process of the test with described evaluation index;
In information processing step S212, above-mentioned data are classified pre-service respectively, the administrative relationships of apparatus for establishing nameplate and test, defective, bad condition etc.
Evaluation weight calculation procedure S22 can further comprise:
In hierarchical structure establishment step S221, obtain each assessment item in the repair based on condition of component model of this equipment, and set up corresponding hierarchical structure according to described assessment item.
In project weight calculation step S222, set up the judgment matrix of this hierarchical structure, and described each assessment item is carried out corresponding weight calculation.
In this step, at first set up judgment matrix: more same hierarchical elements is constructed comparator matrix in twos to the relative importance of last level element.Judgment matrix is the core of analytical hierarchy process, and it is relatively drawn in twos by each object.Relative importance generally is divided into " 1,3,5,7,9 " 5 grades in the time of relatively, with these five corresponding judgements of grade are " of equal importance, important slightly, important, significantly important, extremely important ".If need judge grade more specifically, then can insert " 2,4,6,8 " four inferior grades, " 2 " promptly are the intermediate values between " 1 ", " 3 ", generally, nine scales are enough to distinguish the difference between things.Promptly in analytical hierarchy process, judge quantification, form numerical value judgment matrix A=[a in order to make decision-making
Ij].
Secondly calculate evaluation weight according to this judgment matrix:
Calculate the long-pending M of each row element of judgment matrix A
i:
Calculate each row M
iN power root:
N is the matrix exponent number in the formula.
W
iBe the weight of the evaluation index of asking.
In consistency check step S223, described weight calculation result is carried out consistency check, if assay passes through, executing state score calculation step S23 then, otherwise, re-execute project weight calculation step S222.Execution consistency check step S223 is the validity in order to ensure this judgment matrix, and then scientifically reflects the relative importance consideration of each index.Its checkout procedure is as follows:
Calculate the eigenvalue of maximum λ of judgment matrix A
Max:
In the formula:
Calculate coincident indicator C
I:
Calculate Consistency Ratio C
R:
Usually work as C
R=0 o'clock, A had crash consistency; Work as C
R<0.1 o'clock, A had satisfactory consistency, and this judgment matrix can be used for doing step analysis; Work as C
R〉=0.1 o'clock, A had non-satisfactory consistency, and should adjust or give up need not.During specific implementation, the estimator can consider on purpose to distribute and adjust the weight of each evaluation index in the tendentiousness and the dirigibility of holding on the assessment indicator system.
State score calculation step S23 can further comprise:
Individual event score calculation step S231 calculates the individual event of each assessment item respectively and marks according to described data message, and it is tactful to obtain corresponding son maintenance according to its individual event scoring.During specific implementation, this step can further comprise:
In elementary item scoring step S2311, calculate its elementary item scoring according to the Back ground Information of this equipment, and obtain corresponding son maintenance strategy according to this elementary item scoring.The evaluation index of elementary item can include: makes and shop test, and transportation, installation and commissioning test, family's equipment safety operation record, working times etc., its elementary item scoring formula (B) is as follows:
Wherein, B
iBy constituting manufacturing and shop test, transportation, installation and commissioning test, working time etc.
In pilot project scoring step S2312, according to its pilot project scoring of test figure information calculations of this equipment, and according to the corresponding son maintenance of this pilot project scoring acquisition strategy.The evaluation index of pilot project can include: the remote control circuit inspection, and remote measurement, remote signalling accuracy testing, the inspection of device alarm function, observing and controlling loop Insulation Test etc., its pilot project scoring formula (T) is as follows:
In the formula, T
i(x) be the scoring of i pilot project,
Weight for its correspondence.T
iBeing calculated as (x):
Wherein, x is a trial value, x
fBe ratings, the value size of k has reflected the relation of this test and equipment health status.
In online monitoring data scoring step S2313, according to its online monitoring data scoring of online monitoring data information calculations of this equipment, and according to the corresponding son maintenance of this online monitoring data scoring acquisition strategy.The evaluation index of online monitoring data can include: CPU usage, and SOE resolution, remote signalling changes the response time, opens into supply voltage etc., and its online monitoring data scoring formula is as follows:
Ei (x) is the scoring of i Monitoring Data, W
EiWeight for its correspondence.
Ei (x) is calculated as:
In the formula, when Ei (x)<0, make Ei (x)=0; When Ei (x)>1, make Ei (x)=1.Wherein, x
0Be base value, x
MaxBe demand value, x is a measured value.
In bad operating condition scoring step S2314, according to its bad condition scoring of bad condition information calculations that this equipment experienced, and according to the corresponding son maintenance of this bad condition scoring acquisition strategy.The evaluation index of bad operating condition can include: electromagnetic interference (EMI), and mains voltage variations, common mode interference, environmental impact etc., its bad operating condition scoring formula is as follows:
The number of times of bad condition, W for taking place in m
IkIt is the scoring of the k time operating mode.
In family defective scoring step S2315, calculate its family's defective scoring according to existing defect information in the equipment of the same type family of this equipment, and obtain corresponding son maintenance strategy according to this family's defective scoring.The evaluation index of family's defective can include: with manufacturer's homologous series same model defective, thank you for your congratulation with the different model defective with manufacturer, with manufacturer's different series defective etc., its family's defective scoring formula is as follows:
In the formula, N is the total platform number of family's equipment, and m is a repeated defects platform number, n
jBe the scoring of j platform measuring and controlling equipment defective,
It is j platform measuring and controlling equipment family mass defect weight.
" family " in family's defective is meant other equipment that belong to same manufacturer, same model with current device; Have only family's equipment that similar defective takes place more than two, and responsibility is just carried out family's defective scoring for making or design.
In addition, equipment score calculation step S23 also includes:
Comprehensive grading step S232 according to the individual event scoring and the corresponding evaluation weight thereof of among the step S2311-S2315 assessment item, calculates the comprehensive grading of this equipment, and carries out reasoning according to this comprehensive grading and substrategy, can form corresponding comprehensive maintenance strategy.The equipment state scoring can be calculated according to following formula:
H=B×W
B+T×W
T+E×W
E+I×W
I+F×W
F
In the formula, B is the elementary item scoring, and T is the pilot project scoring, and E is the online monitoring data scoring, and I is bad operating condition scoring, and F is family's defective scoring, W
B, W
T, W
E, W
I, W
FBe followed successively by their weight.
Maintenance solution formulation step S3 can specifically include:
Risk assessment step S31, according to the safety of equipment, environment, and benefit factor, the degree of risk that the equipment operation that calculating needs maintenance exists, this step is on to the state score data basis that needs repair apparatus, take all factors into consideration the risk of safety, environment and three aspects of benefit, calculate the degree of risk that this equipment operation exists, for the formulation of turnaround plan and emergency preplan provides foundation.Its degree of risk computing formula is as follows:
R=P·C
In the formula: R is a risk; P is the probability that accident occurs; C is the consequence (or loss) that accident produces.
Plan output step S32 in conjunction with above-mentioned strategy and the degree of risk of respectively overhauling, adopts the forward reasoning method, can formulate and output needle to the turnaround plan of this equipment.In this step, based on the equipment state evaluation result,, taking into full account under the situation of electric network composition with reference to risk evaluation result, the necessity and the urgency of overhaul of the equipments sorted, determine maintenance mode, content, and formulate concrete maintenance scheme.During specific implementation, turnaround plan can be divided into two major parts: the one, cover long-term maintenance, maintenance plan in the whole secondary device life cycle, and be used to instruct maintenance, maintenance work in cycle equipment life-cycle; The 2nd, with the corresponding annual overhaul plan of company's fund planning and rolling planning for many years, planning, be used to instruct carrying out of annual overhaul work, and service work arrangement and credit requirement in the following regular period.
In the present embodiment, the electrical network secondary device can be measuring and controlling equipment, telecontrol equipment, communication system and to the time system etc.
Describe an embodiment of electrical network secondary device repair based on condition of component device provided by the invention in detail below with reference to Fig. 2; As shown in the figure, present embodiment mainly includes:
Maintenance modelling unit 1 is used for setting up the repair based on condition of component model that includes some assessment items and maintenance strategy in management information system for secondary device, and wherein, each assessment item includes at least one evaluation index;
Equipment state evaluation unit 2 is used for obtaining from management information system the online and/or off-line data information of the evaluation index of each assessment item the repair based on condition of component model of secondary device to be detected, and according to described data message this equipment is carried out state evaluation;
Maintenance solution formulation unit 3 is used for according to the state evaluation result of this equipment and the maintenance strategy of described repair based on condition of component model, formulates the maintenance scheme to this equipment.
During specific implementation, equipment state evaluation unit 2 can specifically include:
Facility information collector unit 21 is used for from the online and/or off-line data information of the evaluation index of each assessment item of management information system acquisition;
Evaluation weight computing unit 22 is used for adopting analytical hierarchy process to calculate the evaluation weight of described each assessment item of state evaluation model;
State score calculation unit 23 links to each other with the evaluation weight computing unit with described facility information collector unit, is used for calculating in conjunction with the evaluation weight of described data message and described assessment item correspondence the state scoring of this equipment.
Wherein, facility information acquisition unit 21 can further comprise:
Information collection unit 211, be used for collecting and gathering secondary device to be detected, comprise the reference information of the preceding Back ground Information that puts into operation, operation information, test detection data, all previous service bulletin and record, equipment of the same type at the characteristic quantity relevant of making, put into operation, move, safeguarding, produce the maintenance, process of the test with described evaluation index from MIS;
Evaluation weight computing unit 22 can further include:
Hierarchical structure is set up unit 221, is used for obtaining each assessment item of the state evaluation model of secondary device, and sets up corresponding hierarchical structure according to described assessment item;
Project weight calculation unit 222 is set up the unit with described hierarchical structure and is linked to each other, and is used to set up the judgment matrix of this hierarchical structure, and described each assessment item is carried out corresponding weight calculation;
State score calculation unit 23 can further include:
Individual event scoring unit 231 links to each other with described facility information collector unit, is used for calculating respectively according to described data message the individual event scoring of each assessment item, and obtains corresponding son maintenance strategy according to its individual event scoring;
Wherein, the individual event Unit 231 of marking can further include:
Elementary item scoring unit 2311 is used for calculating its elementary item scoring according to the Back ground Information of this equipment, and obtains corresponding son maintenance strategy according to this elementary item scoring;
Pilot project scoring unit 2312 is used for its pilot project scoring of test figure information calculations according to this equipment, and obtains corresponding son maintenance strategy according to this pilot project scoring;
Online monitoring data scoring unit 2313 is used for its online monitoring data scoring of online monitoring data information calculations according to this equipment, and obtains corresponding son maintenance strategy according to this online monitoring data scoring;
Bad condition scoring unit 2314, its bad condition of bad condition information calculations that is used for experiencing according to this equipment is marked, and overhauls strategy according to the corresponding son of this bad condition scoring acquisition;
Family defective scoring unit 2315 is used for the defect information that the equipment of the same type family according to this equipment exists and calculates its family's defective scoring, and obtains corresponding son maintenance strategy according to this family's defective scoring.
Maintenance solution formulation unit 3 can specifically include:
Risk assessment unit 31 links to each other with equipment state evaluation unit 2, is used for safety, environment, and benefit factor according to equipment, degree of risk that need to determine the equipment operation of maintenance to exist;
In the present embodiment, described secondary device include measuring and controlling equipment, telecontrol equipment, communication system and to the time system.
Present embodiment be with previous embodiment in the corresponding device of method, each technical characterictic of previous embodiment all is applicable to present embodiment, repeats no more.
Compared with prior art, the present invention has following advantage:
1, only needs at different secondary devices, in MIS, set up corresponding evaluation and maintenance model, need be in transformer station's side erecting device and maintenance, as long as electric substation automation system, EMS integral system, real time data center can normally be moved, the present invention just can implement, and can reduce investment and maintenance cost greatly;
2, be based upon in the mis system owing to electrical network secondary device repair based on condition of component model of the present invention, thereby not only can read the information of single substation secondary device, can also read the secondary device information of full electric network, comprise Equipment Foundations information, Test Information, on-line monitoring information, bad condition information and family's defect information, can realize coordination with warning device;
3, can utilize MIS that the state that the electrical network secondary device is moved is estimated,, thereby can improve the security of operation of power networks for the repair based on condition of component of equipment provides decision-making foundation.
The above is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also are considered as protection scope of the present invention.
Claims (14)
1. electrical network secondary device repair based on condition of component method is characterized in that this method includes:
Maintenance modelling step is set up the repair based on condition of component model that includes some assessment items and maintenance strategy for secondary device in management information system, wherein, each assessment item includes at least one evaluation index;
The equipment state evaluation procedure obtains the online and/or off-line data information of the evaluation index of each assessment item in the repair based on condition of component model of secondary device to be detected from management information system, and according to described data message this equipment is carried out state evaluation;
Maintenance solution formulation step according to the state evaluation result of this equipment and the maintenance strategy in the described repair based on condition of component model, is formulated the maintenance scheme to this equipment.
2. electrical network secondary device repair based on condition of component method as claimed in claim 1 is characterized in that described equipment state evaluation procedure specifically includes:
Facility information obtains step, obtains the online and/or off-line data information of the evaluation index of each assessment item from management information system;
The evaluation weight calculation procedure adopts analytical hierarchy process to calculate the evaluation weight of each assessment item in the described state evaluation model;
State score calculation step, the state scoring of calculating this equipment in conjunction with the evaluation weight of described data message and described assessment item correspondence.
3. electrical network secondary device repair based on condition of component method as claimed in claim 2 is characterized in that described evaluation weight calculation procedure specifically includes:
The hierarchical structure establishment step obtains each assessment item in the repair based on condition of component model of this equipment, and sets up corresponding hierarchical structure according to described assessment item;
Project weight calculation step is set up the judgment matrix of this hierarchical structure, and described each assessment item is carried out the weight calculation of correspondence;
The consistency check step is carried out consistency check to described weight calculation result, if assay is passed through, then carries out described state score calculation step, otherwise, re-execute described project weight calculation step.
4. as claim 2 or 3 described electrical network secondary device repair based on condition of component methods, it is characterized in that described state score calculation step specifically includes:
Individual event scoring step is calculated the individual event of each assessment item respectively and is marked according to described data message, and it is tactful to obtain corresponding son maintenance according to its individual event scoring;
The comprehensive grading step according to the individual event scoring and the corresponding evaluation weight thereof of described each assessment item, calculates the comprehensive grading of this equipment, and obtains corresponding comprehensive maintenance strategy according to this comprehensive grading.
5. electrical network secondary device repair based on condition of component method as claimed in claim 4 is characterized in that, described individual event scoring step specifically includes:
Elementary item scoring step is calculated its elementary item scoring according to the Back ground Information of this equipment, and is obtained corresponding son maintenance strategy according to this elementary item scoring;
Pilot project scoring step, according to its pilot project scoring of test figure information calculations of this equipment, and according to the corresponding son maintenance of this pilot project scoring acquisition strategy;
Online monitoring data scoring step, according to its online monitoring data scoring of online monitoring data information calculations of this equipment, and according to the corresponding son maintenance of this online monitoring data scoring acquisition strategy;
Bad condition scoring step, according to its bad condition scoring of bad condition information calculations that this equipment experienced, and according to the corresponding son maintenance of this bad condition scoring acquisition strategy;
Family defective scoring step is calculated its family's defective scoring according to existing defect information in the equipment of the same type family of this equipment, and is obtained corresponding son maintenance strategy according to this family's defective scoring.
6. electrical network secondary device repair based on condition of component method as claimed in claim 5 is characterized in that, described maintenance solution formulation step specifically includes:
The risk assessment step is according to the safety of equipment, environment, and benefit factor, the degree of risk that the equipment operation that calculating needs maintenance exists;
Plan output step, in conjunction with above-mentioned strategy and the degree of risk of respectively overhauling, formulation and output needle are to the turnaround plan of this equipment.
7. as each described electrical network secondary device repair based on condition of component method among the claim 1-4, it is characterized in that, described secondary device include measuring and controlling equipment, telecontrol equipment, communication system and to the time system.
8. an electrical network secondary device repair based on condition of component device is characterized in that, includes:
Maintenance modelling unit is used for setting up the repair based on condition of component model that includes some assessment items and maintenance strategy in management information system for secondary device, and wherein, each assessment item includes at least one evaluation index;
The equipment state evaluation unit is used for obtaining from management information system the online and/or off-line data information of the evaluation index of each assessment item the repair based on condition of component model of secondary device to be detected, and according to described data message this equipment is carried out state evaluation;
Maintenance solution formulation unit is used for according to the state evaluation result of this equipment and the maintenance strategy of described repair based on condition of component model, formulates the maintenance scheme to this equipment.
9. electrical network secondary device repair based on condition of component device as claimed in claim 8 is characterized in that described equipment state evaluation unit specifically includes:
The facility information collector unit is used for from the online and/or off-line data information of the evaluation index of each assessment item of management information system acquisition;
The evaluation weight computing unit is used for adopting analytical hierarchy process to calculate the evaluation weight of described each assessment item of state evaluation model;
State score calculation unit links to each other with the evaluation weight computing unit with described facility information collector unit, is used for calculating in conjunction with the evaluation weight of described data message and described assessment item correspondence the state scoring of this equipment.
10. electrical network secondary device repair based on condition of component device as claimed in claim 9 is characterized in that described evaluation weight computing unit specifically includes:
Hierarchical structure is set up the unit, is used for obtaining each assessment item of the state evaluation model of secondary device, and sets up corresponding hierarchical structure according to described assessment item;
The project weight calculation unit is set up the unit with described hierarchical structure and is linked to each other, and is used to set up the judgment matrix of this hierarchical structure, and described each assessment item is carried out corresponding weight calculation;
The consistency check unit links to each other with described project weight calculation unit, is used for described weight calculation result is carried out consistency check, if assay is passed through, then starts described state score calculation unit, otherwise, restart described project weight calculation unit.
11., it is characterized in that described state score calculation unit specifically includes as claim 9 or 10 described electrical network secondary device repair based on condition of component devices:
Individual event scoring unit links to each other with described facility information collector unit, is used for calculating respectively according to described data message the individual event scoring of each assessment item, and obtains corresponding son maintenance strategy according to its individual event scoring;
The comprehensive grading unit links to each other with described individual event scoring unit, is used for individual event scoring and corresponding evaluation weight thereof according to described each assessment item, calculates the comprehensive grading of this equipment, and obtains corresponding comprehensive maintenance strategy according to this comprehensive grading.
12. electrical network secondary device repair based on condition of component device as claimed in claim 11 is characterized in that, described individual event scoring unit specifically includes:
Elementary item scoring unit is used for calculating its elementary item scoring according to the Back ground Information of this equipment, and obtains corresponding son maintenance strategy according to this elementary item scoring;
Pilot project scoring unit is used for its pilot project scoring of test figure information calculations according to this equipment, and obtains corresponding son maintenance strategy according to this pilot project scoring;
Online monitoring data scoring unit is used for its online monitoring data scoring of online monitoring data information calculations according to this equipment, and obtains corresponding son maintenance strategy according to this online monitoring data scoring;
Bad condition scoring unit, its bad condition of bad condition information calculations that is used for experiencing according to this equipment is marked, and overhauls strategy according to the corresponding son of this bad condition scoring acquisition;
Family defective scoring unit is used for calculating its family's defective scoring according to the existing defect information of equipment family of the same type of this equipment, and obtains corresponding son maintenance strategy according to this family's defective scoring.
13. electrical network secondary device repair based on condition of component device as claimed in claim 12 is characterized in that, described maintenance solution formulation unit specifically includes:
The risk assessment unit links to each other with described equipment state evaluation unit, is used for safety, environment, and benefit factor according to equipment, degree of risk that need to determine the equipment operation of maintenance to exist;
The plan output unit links to each other with the risk assessment unit with described state score calculation unit, is used in conjunction with above-mentioned strategy and the degree of risk of respectively overhauling, and formulation and output needle are to the turnaround plan of this equipment.
14. as each described electrical network secondary device repair based on condition of component device among the claim 8-11, it is characterized in that, described secondary device include measuring and controlling equipment, telecontrol equipment, communication system and to the time system.
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