CN109801002A - O&M overhauls the transformer supplier comprehensive performance evaluation method under visual angle - Google Patents
O&M overhauls the transformer supplier comprehensive performance evaluation method under visual angle Download PDFInfo
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Abstract
一种运维检修视角下的变压器供应商综合绩效评价方法增加了变压器运行绩效信息，丰富了供应商评价维度，对物资管理全息招标及运维检修策略差异化制定有一定的指导意义。评价指标方面，综合考虑企业资源管理系统及设备运维精益化管理系统中的设备初始购置费用、运维检修成本、大修成本、运维工作量及安全水平等因素，使得供应商评价体系更具合理性；评价模型方面，利用层次分析法确定各评价指标权重，并通过数据一致性检验后，计算各供应商综合得分，再结合五分位法确定供应商等级，挖掘供应商共性特征，形成供应商综合绩效评价结果，使得评价结果更具科学性。
A comprehensive performance evaluation method of transformer suppliers from the perspective of operation and maintenance has increased the information of transformer operation performance and enriched the dimension of supplier evaluation. In terms of evaluation indicators, factors such as initial equipment purchase cost, O&M maintenance cost, overhaul cost, O&M workload and safety level in the enterprise resource management system and equipment operation and maintenance lean management system are comprehensively considered to make the supplier evaluation system more suitable. Rational; in terms of evaluation model, the weight of each evaluation index is determined by the analytic hierarchy process, and after passing the data consistency test, the comprehensive score of each supplier is calculated, and then the quintile method is used to determine the supplier level, and the common characteristics of suppliers are mined to form a supply chain. Business comprehensive performance evaluation results, making the evaluation results more scientific.
Description
Technical field
The present invention relates to the transformer suppliers under supplier performance evaluation method more particularly to a kind of O&M maintenance visual angle
Comprehensive performance evaluation method is primarily adapted for use in the linkage management to form grid equipment buying and O&M maintenance link.
Background technique
Transformer is the critical asset of electric power enterprise, and equipment quality is the important guarantee of power grid enterprises' safety in production,
It is an important factor for influencing electric power enterprise cost and benefit.In recent years, with the continuous expansion of power grid scale, equipment supplier
Quantity gradually increases, and log equipment quality is irregular, every year because caused by equipment quality problem when equipment damage, grid power blackout
There is generation, seriously affects the safety and stable operation of power grid.There are the equipment of quality problems, often show that the service life is short, defect
The features such as more, Frequent Troubles cause overhaul of the equipments number and fortune inspection cost to be greater than other same type equipment, lead to unnecessary money
Source waste, influences the cost management and economic benefit of power grid enterprises.Therefore, it maintains strict control over equipment networking gate of the quality monitoring, improve equipment supply
Quotient's management level is particularly important.
In order to accurately identify high-quality supplier, power grid enterprises' assets lean management level is promoted, quantitative analysis confession is needed
Quotient's comprehensive performance is answered, supplier evaluation system is improved, constructs the supplier Evaluation Model of science.Existing supplier performance evaluation side
Method purchases link mainly for assets, pays close attention to the contents such as the enterprise qualification, technical level and after-sale service of supplier.Its disadvantage exists
In fail effectively in conjunction with found in network transformer operation link failure, defect, insufficient anti-short circuit capability the problems such as instruct
Buying, the linkage management of not formed grid equipment buying and O&M maintenance link.
Summary of the invention
The purpose of the present invention is overcoming equipment purchase existing in the prior art and O&M to overhaul link to isolate, it is not formed
The defect and problem for imitating linkage management provide a kind of O&M maintenance that can form equipment purchase and O&M maintenance link linkage management
Transformer supplier comprehensive performance evaluation method under visual angle.
In order to achieve the above object, the technical solution of the invention is as follows: the transformer supply under a kind of O&M maintenance visual angle
Quotient's comprehensive performance evaluation method, method includes the following steps:
A, equipment purchase price, O&M cost, overhaul cost data are obtained from ERP System；It is transported from equipment
It ties up and obtains equipment anti-short circuit capability check results, the number of stoppages, defect incidence data in lean management system；
B, assessment indicator system is constructed
The assessment indicator system includes safety index, O&M figureofmerit, the indicator of costs, price guideline；
The safety index for weighing device be safely operated situation, safety index include anti-short circuit capability check results not
Qualification rate and unit equipment quality fault incidence；
The O&M figureofmerit is used for weighing device maintenance work, and O&M figureofmerit includes defect incidence；
The O&M cost and the cost of overhaul that the indicator of costs is occurred after putting into operation for weighing device, the indicator of costs include
The daily O&M cost of unit and unit overhaul average unit cost；
The price guideline is used for the average procurement price of weighing device；
C, on the basis of step B established assessment indicator system, weight distribution model is established using analytic hierarchy process (AHP), is counted
Each index weights are calculated, and by obtaining each supplier's comprehensive score after weighted sum；
D, each supplier's comprehensive score first obtained based on step C is divided each supplier's grade with five period in arithmetric, is formed and supplied
The sequence of quotient's quartile is answered to divide, then whether, equipment operation whether qualified with the verification of equipment anti-short circuit capability breaks down as standard, draws
Divide supplier's security level, then in conjunction with supplier's comprehensive score grade and security level, forms the evaluation of supplier's comprehensive performance
As a result.
In step B, anti-short circuit capability check results disqualification rate S1It is determined according to formula (1)；
In formula (1), NpFor the qualified number of devices of certain supplier's anti-short circuit capability verification, NfFor certain supplier's resistance to shorting energy
Power verifies underproof number of devices；
Unit equipment quality fault incidence S2It is determined according to formula (2)；
In formula (2), m is certain vendor equipment enlistment age current year, and A is certain equipment supplier current maximum device enlistment age, NmFor
Certain equipment supplier's enlistment age is the total number of equipment of m, FmBecause equipment quality problem is led when for institute, certain supplier for the equipment enlistment age being m
The equipment fault of cause adds up total degree.
In step B, the defect incidence includes general defect incidence M1, major defect incidence M2, critical defect hair
Raw rate M3, three classes defect incidence is respectively according to formula (3) to formula (5) determination；
Formula (3) is into formula (5), D1mFor certain supplier for the equipment enlistment age be m when accumulative general defect total degree, D2m
For certain supplier for the equipment enlistment age be m when accumulative major defect total degree, D3mWhen for institute, certain supplier for the equipment enlistment age being m
Accumulative critical defect total degree, m are certain vendor equipment enlistment age current year, and A is certain equipment supplier current maximum device enlistment age,
NmIt is the total number of equipment of m the enlistment age for certain equipment supplier.
In step B, the daily O&M cost C of unit1=CT+CE；
Unit O&M cost and cycled recondition cost CTIt is determined according to formula (6)；
In formula (6), cnThe standard operation cost of standard operation, T are examined for a certain fortune of certain supplier's individual equipmentnFor correspondence
The cycle times of fortune inspection standard operation, N are the number of devices of certain equipment supplier, and i is i-th equipment of certain equipment supplier；
Unit defect elimination cost CEIt is determined according to formula (7)；
In formula (7), CcFor the material unit price consumed in each work ticket defect elimination work based on work ticket record acquisition, AnFor
Respective material consumption；
Unit overhaul average unit cost C2It is determined according to formula (8)；
In formula (8), CγIt is worth for the major repair project actual cost of certain vendor equipment.
In step B, the computation rule of the price guideline are as follows: if to purchase average price complete and in reasonable interval for supplier,
Take the average value of each vendor equipment procurement price；If supplier purchases average price missing or severely subnormal, buying value is rejected
Abnormal data is supplemented using buying of same age average price.
Step C specifically includes the following steps:
C1, analytic hierarchy structure is established
Establish recursive hierarchy structure for the assessment indicator system of step B building, altogether include three levels: destination layer is to set
Standby supplier's comprehensive performance is optimal；Rule layer is the intermediate link that predeterminated target is realized using certain measure or policy, for peace
All referring to mark, O&M figureofmerit, the indicator of costs, price guideline；Solution layer is the measure or scheme solved the problems, such as, is supplied for each transformer
Answer quotient；
C2, Judgement Matricies
Judgment matrix is for indicating relatively upper one layer of certain element, relatively heavy between the associated each element of this level
The property wanted is compared according to all indexs of certain scale for same layer element, two-by-two respectively by evaluation result numerical value
It indicates, forms judgment matrix；
C3, the consistency check of judgment matrix and hierarchical ranking
Hierarchical ranking is to judgment matrix A, and calculating meets AW=λmaxWiEigenvalue and eigenvector, wherein λmaxFor A
Maximum characteristic root, W be corresponding to λmaxNormalization characteristic vector, the component W of WiIt is the corresponding factor of same level for upper
The ranking value of one level factor relative importance；
It can confirm hierarchical ranking, consistency check need to be carried out to judgment matrix, measurement judgment matrix deviates consistency
Index definition are as follows:
In formula (9), n is the order of judgment matrix, and CI value is bigger, shows that judgment matrix deviates the degree of completeness consistency
Bigger, CI value is smaller, shows that the consistency of judgment matrix is better；
To the high-order judgment matrix of n > 3, mean random consistency RI is introduced to eliminate order to the shadow of consistency check
It rings, and finally uses consistency ration CR value as the whether consistent test stone of judgment matrix；
Random consistency ratio is defined as:
As CR < 0.10, it is believed that judgment matrix has acceptable consistency, otherwise just needs to adjust judgment matrix
Element value, judgment matrix approach obtain all kinds of index weights after passing through, and by the way that it is comprehensive to obtain each supplier after weighted sum
Close score.
In step D, the verification of equipment anti-short circuit capability is all qualified, and the equipment supplier of equipment operation zero failure is safety
Type supplier；Equipment runs zero failure but it is state of risk confession that equipment anti-short circuit capability, which is verified there are underproof equipment supplier,
Answer quotient；Equipment operation failure rate is high, and verifying underproof equipment supplier there are equipment component anti-short circuit capability is low-quality type
Supplier.
Compared with prior art, the invention has the benefit that
Transformer supplier comprehensive performance evaluation method under a kind of O&M maintenance of present invention visual angle is to handling of goods and materials holography
Bidding work has certain reference, it is advantageous that: first is that realizing the information such as equipment repair and maintenance, assets health and buying plan
It slightly links up with, balancing equipment buying investment and O&M expense, in advance prevention device risk, refers to carry out assets life cycle theory
Buying under leading provides data information, provides data supporting to " big buying " transformation for realization " small buying "；Second is that comparing expert
Evaluation assessment, supplier's items evaluation index can quantify, and data can be directly acquired in existing information system, institute's forming amount
It is strong to change conclusion convincingness, promotes and applies at low cost, value greatly.
Detailed description of the invention
Fig. 1 is the flow chart of the transformer supplier comprehensive performance evaluation method under a kind of O&M maintenance of present invention visual angle.
Specific embodiment
Below in conjunction with Detailed description of the invention and specific embodiment, the present invention is described in further detail.
Referring to Fig. 1, transformer supplier comprehensive performance evaluation method under a kind of O&M maintenance visual angle, this method include with
Lower step:
A, equipment purchase price, O&M cost, overhaul cost data are obtained from ERP System；It is transported from equipment
It ties up and obtains equipment anti-short circuit capability check results, the number of stoppages, defect incidence data in lean management system；
B, assessment indicator system is constructed
The assessment indicator system includes safety index, O&M figureofmerit, the indicator of costs, price guideline；
The safety index for weighing device be safely operated situation, safety index include anti-short circuit capability check results not
Qualification rate and unit equipment quality fault incidence；
The O&M figureofmerit is used for weighing device maintenance work, and O&M figureofmerit includes defect incidence；
The O&M cost and the cost of overhaul that the indicator of costs is occurred after putting into operation for weighing device, the indicator of costs include
The daily O&M cost of unit and unit overhaul average unit cost；
The price guideline is used for the average procurement price of weighing device；
C, on the basis of step B established assessment indicator system, weight distribution model is established using analytic hierarchy process (AHP), is counted
Each index weights are calculated, and by obtaining each supplier's comprehensive score after weighted sum；
D, each supplier's comprehensive score first obtained based on step C is divided each supplier's grade with five period in arithmetric, is formed and supplied
The sequence of quotient's quartile is answered to divide, then whether, equipment operation whether qualified with the verification of equipment anti-short circuit capability breaks down as standard, draws
Divide supplier's security level, then in conjunction with supplier's comprehensive score grade and security level, forms the evaluation of supplier's comprehensive performance
As a result.
In step B, anti-short circuit capability check results disqualification rate S1It is determined according to formula (1)；
In formula (1), NpFor the qualified number of devices of certain supplier's anti-short circuit capability verification, NfFor certain supplier's resistance to shorting energy
Power verifies underproof number of devices；
Unit equipment quality fault incidence S2It is determined according to formula (2)；
In formula (2), m is certain vendor equipment enlistment age current year, and A is certain equipment supplier current maximum device enlistment age, NmFor
Certain equipment supplier's enlistment age is the total number of equipment of m, FmBecause equipment quality problem is led when for institute, certain supplier for the equipment enlistment age being m
The equipment fault of cause adds up total degree.
In step B, the defect incidence includes general defect incidence M1, major defect incidence M2, critical defect hair
Raw rate M3, three classes defect incidence is respectively according to formula (3) to formula (5) determination；
Formula (3) is into formula (5), D1mFor certain supplier for the equipment enlistment age be m when accumulative general defect total degree, D2m
For certain supplier for the equipment enlistment age be m when accumulative major defect total degree, D3mWhen for institute, certain supplier for the equipment enlistment age being m
Accumulative critical defect total degree, m are certain vendor equipment enlistment age current year, and A is certain equipment supplier current maximum device enlistment age,
NmIt is the total number of equipment of m the enlistment age for certain equipment supplier.
In step B, the daily O&M cost C of unit1=CT+CE；
Unit O&M cost and cycled recondition cost CTIt is determined according to formula (6)；
In formula (6), cnThe standard operation cost of standard operation, T are examined for a certain fortune of certain supplier's individual equipmentnFor correspondence
The cycle times of fortune inspection standard operation, N are the number of devices of certain equipment supplier, and i is i-th equipment of certain equipment supplier；
Unit defect elimination cost CEIt is determined according to formula (7)；
In formula (7), CCFor the material unit price consumed in each work ticket defect elimination work based on work ticket record acquisition, AnFor
Respective material consumption；
Unit overhaul average unit cost C2It is determined according to formula (8)；
In formula (8), crIt is worth for the major repair project actual cost of certain vendor equipment.
In step B, the computation rule of the price guideline are as follows: if to purchase average price complete and in reasonable interval for supplier,
Take the average value of each vendor equipment procurement price；If supplier purchases average price missing or severely subnormal, buying value is rejected
Abnormal data is supplemented using buying of same age average price.
Step C specifically includes the following steps:
C1, analytic hierarchy structure is established
Establish recursive hierarchy structure for the assessment indicator system of step B building, altogether include three levels: destination layer is to set
Standby supplier's comprehensive performance is optimal；Rule layer is the intermediate link that predeterminated target is realized using certain measure or policy, for peace
All referring to mark, O&M figureofmerit, the indicator of costs, price guideline；Solution layer is the measure or scheme solved the problems, such as, is supplied for each transformer
Answer quotient；
C2, Judgement Matricies
Judgment matrix is for indicating relatively upper one layer of certain element, relatively heavy between the associated each element of this level
The property wanted is compared according to all indexs of certain scale for same layer element, two-by-two respectively by evaluation result numerical value
It indicates, forms judgment matrix；
C3, the consistency check of judgment matrix and hierarchical ranking
Hierarchical ranking is to judgment matrix A, and calculating meets AW=λmaxWiEigenvalue and eigenvector, wherein λmaxFor A
Maximum characteristic root, W be corresponding to λmaxNormalization characteristic vector, the component W of WiIt is the corresponding factor of same level for upper
The ranking value of one level factor relative importance；
It can confirm hierarchical ranking, consistency check need to be carried out to judgment matrix, measurement judgment matrix deviates consistency
Index definition are as follows:
In formula (9), n is the order of judgment matrix, and CI value is bigger, shows that judgment matrix deviates the degree of completeness consistency
Bigger, CI value is smaller, shows that the consistency of judgment matrix is better；
To the high-order judgment matrix of n > 3, mean random consistency RI is introduced to eliminate order to the shadow of consistency check
It rings, and finally uses consistency ration CR value as the whether consistent test stone of judgment matrix；
Random consistency ratio is defined as:
As CR < 0.10, it is believed that judgment matrix has acceptable consistency, otherwise just needs to adjust judgment matrix
Element value, judgment matrix approach obtain all kinds of index weights after passing through, and by the way that it is comprehensive to obtain each supplier after weighted sum
Close score.
In step D, the verification of equipment anti-short circuit capability is all qualified, and the equipment supplier of equipment operation zero failure is safety
Type supplier；Equipment runs zero failure but it is state of risk confession that equipment anti-short circuit capability, which is verified there are underproof equipment supplier,
Answer quotient；Equipment operation failure rate is high, and verifying underproof equipment supplier there are equipment component anti-short circuit capability is low-quality type
Supplier.
The principle of the present invention is described as follows:
It includes ERP System (ERP), equipment (assets) O&M lean management system that the design, which is related to power grid,
(PMS)；Anti-short circuit capability number of devices adopts transformer anti-short circuit capability check results；Defect elimination work is used as transformer O&M work
The important component of work, therefore using defect incidence as an important indicator for measuring O&M amount；The cost of overhaul includes maintenance
Cost and equipment rebuilding cost；The procurement price data of equipment are derived from the ERP System (ERP) of certain regional power grid.
The design discloses transformer supplier comprehensive performance appraisement system and method under a kind of O&M maintenance visual angle, increases
Add transformer station high-voltage side bus performance quantization analysis method, enriches supplier evaluation O&M maintenance link dimension, it is complete to handling of goods and materials
Breath bid and the formulation of O&M Strategies of Maintenance differentiation have certain directive significance.In terms of evaluation index, ERP and PMS is comprehensively considered
The initial acquisition expenses of equipment, the O&M cost of overhaul, overhaul cost, maintenance work amoun and safe water equality factor in system, make
It obtains supplier evaluation system and has more reasonability；In terms of evaluation model, each evaluation criterion weight is determined using analytic hierarchy process (AHP), and lead to
After crossing data consistency checks, each supplier's comprehensive score is calculated, supplier's grade is determined in conjunction with five period in arithmetric, excavates supply
Quotient's common feature forms supplier's comprehensive performance evaluation result, so that evaluation result is more scientific.
Embodiment:
Referring to Fig. 1, transformer supplier comprehensive performance evaluation method under a kind of O&M maintenance visual angle, this method include with
Lower step:
A, equipment purchase price, O&M cost, overhaul cost data are obtained from ERP System；It is transported from equipment
It ties up and obtains equipment anti-short circuit capability check results, the number of stoppages, defect incidence data in lean management system；
B, assessment indicator system is constructed
The assessment indicator system includes safety index, O&M figureofmerit, the indicator of costs, price guideline；
The safety index for weighing device be safely operated situation, safety index include anti-short circuit capability check results not
Qualification rate and unit equipment quality fault incidence；
Anti-short circuit capability check results disqualification rate S1It is determined according to formula (1)；
In formula (1), NpFor the qualified number of devices of certain supplier's anti-short circuit capability verification, NfFor certain supplier's resistance to shorting energy
Power verifies underproof number of devices；
Unit equipment quality fault incidence S2It is determined according to formula (2)；
In formula (2), m is certain vendor equipment enlistment age current year, and A is certain equipment supplier current maximum device enlistment age, NmFor
Certain equipment supplier's enlistment age is the total number of equipment of m, FmBecause equipment quality problem is led when for institute, certain supplier for the equipment enlistment age being m
The equipment fault of cause adds up total degree；
The O&M figureofmerit is used for weighing device maintenance work, and O&M figureofmerit includes defect incidence；
The defect incidence includes general defect incidence M1, major defect incidence M2, critical defect incidence M3,
Three classes defect incidence is determined according to formula (3) to formula (5) respectively；
Formula (3) is into formula (5), D1mFor certain supplier for the equipment enlistment age be m when accumulative general defect total degree, D2m
For certain supplier for the equipment enlistment age be m when accumulative major defect total degree, D3mWhen for institute, certain supplier for the equipment enlistment age being m
Accumulative critical defect total degree, m are certain vendor equipment enlistment age current year, and A is certain equipment supplier current maximum device enlistment age,
NmIt is the total number of equipment of m the enlistment age for certain equipment supplier；
The O&M cost and the cost of overhaul that the indicator of costs is occurred after putting into operation for weighing device, the indicator of costs include
The daily O&M cost of unit and unit overhaul average unit cost；
The daily O&M cost C of unit1=CT+CE；
Unit O&M cost and cycled recondition cost CTIt is determined according to formula (6)；
In formula (6), cnThe standard operation cost of standard operation, T are examined for a certain fortune of certain supplier's individual equipmentnFor correspondence
The cycle times of fortune inspection standard operation, N are the number of devices of certain equipment supplier, and i is i-th equipment of certain equipment supplier；
Unit defect elimination cost CEIt is determined according to formula (7)；
In formula (7), ccFor the material unit price consumed in each work ticket defect elimination work based on work ticket record acquisition, AnFor
Respective material consumption；
Unit overhaul average unit cost C2It is determined according to formula (8)；
In formula (8), CγIt is worth for the major repair project actual cost of certain vendor equipment；
The price guideline is used for the average procurement price of weighing device；
The computation rule of the price guideline are as follows: if supplier purchases average price completely and in reasonable interval, take each supply
The average value of quotient's equipment purchase price；If supplier purchases average price missing or severely subnormal, buying value abnormal data is rejected,
It is supplemented using buying of same age average price；
C, on the basis of step B established assessment indicator system, weight distribution model is established using analytic hierarchy process (AHP), is counted
Each index weights are calculated, and by obtaining each supplier's comprehensive score after weighted sum；Specifically includes the following steps:
C1, analytic hierarchy structure is established
Establish recursive hierarchy structure for the assessment indicator system of step B building, altogether include three levels: destination layer is to set
Standby supplier's comprehensive performance is optimal；Rule layer is the intermediate link that predeterminated target is realized using certain measure or policy, for peace
All referring to mark, O&M figureofmerit, the indicator of costs, price guideline；Solution layer is the measure or scheme solved the problems, such as, is supplied for each transformer
Answer quotient；
C2, Judgement Matricies
Judgment matrix is for indicating relatively upper one layer of certain element, relatively heavy between the associated each element of this level
The property wanted is compared according to all indexs of certain scale for same layer element, two-by-two respectively by evaluation result numerical value
It indicates, forms judgment matrix；
C3, the consistency check of judgment matrix and hierarchical ranking
Hierarchical ranking is to judgment matrix A, and calculating meets AW=λmaxWiEigenvalue and eigenvector, wherein λmaxFor A
Maximum characteristic root, W be corresponding to λmaxNormalization characteristic vector, the component W of WiIt is the corresponding factor of same level for upper
The ranking value of one level factor relative importance；
It can confirm hierarchical ranking, consistency check need to be carried out to judgment matrix, measurement judgment matrix deviates consistency
Index definition are as follows:
In formula (9), n is the order of judgment matrix, and CI value is bigger, shows that judgment matrix deviates the degree of completeness consistency
Bigger, CI value is smaller, shows that the consistency of judgment matrix is better；
To the high-order judgment matrix of n > 3, mean random consistency RI is introduced to eliminate order to the shadow of consistency check
It rings, and finally uses consistency ration CR value as the whether consistent test stone of judgment matrix；
Random consistency ratio is defined as:
As CR < 0.10, it is believed that judgment matrix has acceptable consistency, otherwise just needs to adjust judgment matrix
Element value, judgment matrix approach obtain all kinds of index weights after passing through, and by the way that it is comprehensive to obtain each supplier after weighted sum
Close score；
D, each supplier's comprehensive score first obtained based on step C is divided each supplier's grade with five period in arithmetric, is formed and supplied
The sequence of quotient's quartile is answered to divide, then whether, equipment operation whether qualified with the verification of equipment anti-short circuit capability breaks down as standard, draws
Divide supplier's security level, wherein the verification of equipment anti-short circuit capability is all qualified, and the equipment supplier of equipment operation zero failure
For safety-type supplier；Equipment runs zero failure but it is wind that equipment anti-short circuit capability, which is verified there are underproof equipment supplier,
Xian Xing supplier；Equipment operation failure rate is high, and verifies underproof equipment supplier there are equipment component anti-short circuit capability and be
Low-quality type supplier forms supplier's comprehensive performance evaluation result then in conjunction with supplier's comprehensive score grade and security level.
Claims (7)
1. the transformer supplier comprehensive performance evaluation method under a kind of O&M maintenance visual angle, which is characterized in that this method includes
Following steps:
A, equipment purchase price, O&M cost, overhaul cost data are obtained from ERP System；From equipment O&M essence
Equipment anti-short circuit capability check results, the number of stoppages, defect incidence data are obtained in benefitization management system；
B, assessment indicator system is constructed
The assessment indicator system includes safety index, O&M figureofmerit, the indicator of costs, price guideline；
The safety index is safely operated situation for weighing device, and safety index includes that anti-short circuit capability check results are unqualified
Rate and unit equipment quality fault incidence；
The O&M figureofmerit is used for weighing device maintenance work, and O&M figureofmerit includes defect incidence；
The O&M cost and the cost of overhaul that the indicator of costs is occurred after putting into operation for weighing device, the indicator of costs includes unit
Daily O&M cost and unit overhaul average unit cost；
The price guideline is used for the average procurement price of weighing device；
C, on the basis of step B established assessment indicator system, weight distribution model is established using analytic hierarchy process (AHP), is calculated each
Index weights, and by obtaining each supplier's comprehensive score after weighted sum；
D, each supplier's comprehensive score first obtained based on step C is divided each supplier's grade with five period in arithmetric, forms supplier
Quartile sequence divides, then whether, equipment operation whether qualified with the verification of equipment anti-short circuit capability breaks down as standard, divides and supplies
Quotient's security level is answered, then in conjunction with supplier's comprehensive score grade and security level, forms supplier's comprehensive performance evaluation result.
2. the transformer supplier comprehensive performance evaluation method under a kind of O&M maintenance visual angle according to claim 1,
It is characterized in that:
In step B, anti-short circuit capability check results disqualification rate S1It is determined according to formula (1)；
In formula (1), NpFor the qualified number of devices of certain supplier's anti-short circuit capability verification, NfFor certain supplier's anti-short circuit capability school
Test underproof number of devices；
Unit equipment quality fault incidence S2It is determined according to formula (2)；
In formula (2), m is certain vendor equipment enlistment age current year, and A is certain equipment supplier current maximum device enlistment age, NmFor certain equipment
Supplier's enlistment age is the total number of equipment of m, FmBecause being set caused by equipment quality problem when for institute, certain supplier for the equipment enlistment age being m
Standby failure adds up total degree.
3. the transformer supplier comprehensive performance evaluation method under a kind of O&M maintenance visual angle according to claim 1,
It is characterized in that:
In step B, the defect incidence includes general defect incidence M1, major defect incidence M2, critical defect incidence
M3, three classes defect incidence is respectively according to formula (3) to formula (5) determination；
Formula (3) is into formula (5), D1mFor certain supplier for the equipment enlistment age be m when accumulative general defect total degree, D2mFor certain confession
Answer quotient major defect total degree accumulative when for the equipment enlistment age being m, D3mFor certain supplier for the equipment enlistment age be m when it is accumulative
Critical defect total degree, m are certain vendor equipment enlistment age current year, and A is certain equipment supplier current maximum device enlistment age, NmFor certain
Equipment supplier's enlistment age is the total number of equipment of m.
4. the transformer supplier comprehensive performance evaluation method under a kind of O&M maintenance visual angle according to claim 1,
It is characterized in that:
In step B, the daily O&M cost C of unit1=CT+CE；
Unit O&M cost and cycled recondition cost CTIt is determined according to formula (6)；
In formula (6), cnThe standard operation cost of standard operation, T are examined for a certain fortune of certain supplier's individual equipmentnFor to meet the tendency of inspection
The cycle times of standard operation, N are the number of devices of certain equipment supplier, and i is i-th equipment of certain equipment supplier；
Unit defect elimination cost CEIt is determined according to formula (7)；
In formula (7), CcFor the material unit price consumed in each work ticket defect elimination work based on work ticket record acquisition, AnFor correspondence
Consumption of materials；
Unit overhaul average unit cost C2It is determined according to formula (8)；
In formula (8), CγIt is worth for the major repair project actual cost of certain vendor equipment.
5. the transformer supplier comprehensive performance evaluation method under a kind of O&M maintenance visual angle according to claim 1,
It is characterized in that: in step B, the computation rule of the price guideline are as follows: if to purchase average price complete and in reasonable interval for supplier,
Take the average value of each vendor equipment procurement price；If supplier purchases average price missing or severely subnormal, buying value is rejected
Abnormal data is supplemented using buying of same age average price.
6. the transformer supplier comprehensive performance evaluation method under a kind of O&M maintenance visual angle according to claim 1,
Be characterized in that: step C specifically includes the following steps:
C1, analytic hierarchy structure is established
Establish recursive hierarchy structure for the assessment indicator system of step B building, altogether include three levels: destination layer is equipment confession
Answer quotient's comprehensive performance optimal；Rule layer is the intermediate link that predeterminated target is realized using certain measure or policy, to refer to safely
Mark, O&M figureofmerit, the indicator of costs, price guideline；Solution layer is the measure or scheme solved the problems, such as, is supplied for each transformer
Quotient；
C2, Judgement Matricies
Judgment matrix is for indicating relatively upper one layer of certain element, relatively important between the associated each element of this level
Property, compared two-by-two respectively according to all indexs of certain scale for same layer element, by evaluation result numerical tabular
Show, forms judgment matrix；
C3, the consistency check of judgment matrix and hierarchical ranking
Hierarchical ranking is to judgment matrix A, and calculating meets AW=λmaxWiEigenvalue and eigenvector, wherein λmaxMost for A
Big characteristic root, W are corresponding to λmaxNormalization characteristic vector, the component W of WiIt is the corresponding factor of same level for upper one layer
The ranking value of certain secondary factor relative importance；
It can confirm hierarchical ranking, consistency check need to be carried out to judgment matrix, measurement judgment matrix deviates the index of consistency
Is defined as:
In formula (9), n is the order of judgment matrix, and CI value is bigger, shows that the degree of judgment matrix deviation completeness consistency is got over
Greatly, CI value is smaller, shows that the consistency of judgment matrix is better；
To the high-order judgment matrix of n > 3, mean random consistency RI is introduced to eliminate influence of the order to consistency check, and
Finally use consistency ration CR value as the whether consistent test stone of judgment matrix；
Random consistency ratio is defined as:
As CR < 0.10, it is believed that judgment matrix has acceptable consistency, otherwise just needs to adjust the element of judgment matrix
Value, judgment matrix approach obtain all kinds of index weights after passing through, and comprehensive by after weighted sum, obtaining each supplier
Point.
7. the transformer supplier comprehensive performance evaluation method under a kind of O&M maintenance visual angle according to claim 1,
Be characterized in that: in step D, the verification of equipment anti-short circuit capability is all qualified, and the equipment supplier of equipment operation zero failure is peace
Holotype supplier；Equipment runs zero failure but it is state of risk that equipment anti-short circuit capability, which is verified there are underproof equipment supplier,
Supplier；Equipment operation failure rate is high, and verifying underproof equipment supplier there are equipment component anti-short circuit capability is low-quality
Type supplier.
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