CN115310851A - Comprehensive evaluation method for power equipment overhaul investment scheme - Google Patents
Comprehensive evaluation method for power equipment overhaul investment scheme Download PDFInfo
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- CN115310851A CN115310851A CN202210999619.2A CN202210999619A CN115310851A CN 115310851 A CN115310851 A CN 115310851A CN 202210999619 A CN202210999619 A CN 202210999619A CN 115310851 A CN115310851 A CN 115310851A
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Abstract
The invention discloses a comprehensive evaluation method for an investment scheme of overhaul of power equipment, which comprises the following steps: (1) Determining a first-level index of the overhaul investment of the power equipment, and determining the index weight of the first-level index; (2) Determining a secondary index under the primary index, calculating the score of the secondary index, and adding the scores of the secondary index to obtain a primary index score; (3) And calculating the grade value of the investment scheme of the overhaul of the electric power equipment according to the grade index score and the weight, and sequencing from high to low. The method forms more uniform evaluation indexes, can solve the problems of uncertain evaluation indexes, strong subjectivity and the like, judges the importance degree and the priority of the overhaul investment scheme of the power equipment, has high adaptability to multiple indexes and uncertain indexes, and solves the problem that the existing overhaul investment of the power equipment is difficult to comprehensively evaluate and sort.
Description
Technical Field
The invention belongs to the technical field of power grids, and particularly relates to a comprehensive evaluation method for an investment scheme of overhaul of power equipment.
Background
At present, the types and models of electric equipment are numerous, the evaluation standards are large in difference, and a uniform evaluation standard is difficult to form. The investment establishment of the production and overhaul project of the power equipment mainly comprises the steps of manually carding, screening and finally determining the operation condition of the equipment by operation and maintenance personnel after autumn inspection and spring inspection, and the problems that the evaluation standard is not uniform, the screening workload is large, comprehensive sequencing is difficult, the efficiency is low and the like are caused due to the defects that an objective evaluation system is imperfect, the subjective influence of the operation and maintenance personnel is large and the like.
Disclosure of Invention
The invention aims to provide a comprehensive evaluation method for an investment scheme of overhaul of power equipment.
In order to achieve the purpose, the invention adopts the following technical scheme:
a comprehensive evaluation method for an investment scheme of overhaul of power equipment comprises the following steps:
(1) Determining a first-level index of the overhaul investment of the power equipment, and determining the index weight of the first-level index;
(2) Determining a secondary index under the primary index, calculating the score of the secondary index, and adding the scores of the secondary index to obtain a primary index score;
(3) And calculating the grade value of the investment scheme of the overhaul of the electric power equipment according to the grade index score and the weight, and sequencing from high to low.
Preferably, in the step (1), the primary indexes are equipment overhaul necessity indexes, power equipment state indexes and investment scheme evaluation indexes; the index weight of the equipment overhaul necessity index is 0.3; the index weight of the power equipment state index is 0.6; the index weight of the investment scheme evaluation index is 0.1.
Preferably, in the step (2), the secondary indexes under the primary index equipment overhaul necessity index are whether special treatment is performed or not, whether countermeasure requirements are met or not, whether operation is carried out with a disease or not, whether new technology is popularized or not and whether family defects exist or not; the calculation of the secondary index is determined to be yes or no, and when the secondary index is calculated to be yes, the score is 0.2; when no, a score of 0 is obtained.
Preferably, in the step (2), the secondary indexes under the primary index power equipment state index are: the device overhaul period allowance, the device periodic defect state and the device aging state;
the equipment overhaul period allowance = [ (equipment intrinsic overhaul period-operation days after the last overhaul)/equipment intrinsic overhaul period ] + 100%;
the periodic defect state of the equipment = [ (defect number in the last overhaul period of the equipment-defect number after the latest overhaul)/defect number in the last overhaul period of the equipment ] × 100%;
the equipment aging state = [ (equipment planned operational life-equipment commissioning life)/equipment planned operational life ] × 100%.
The second-level indexes under the first-level index investment scheme evaluation indexes are risk management and control and investment return;
the risk management and control calculation is as follows: when the investment scheme gives a risk control point in the overhaul project, and gives all corresponding solutions with 10 points;
when the investment scheme gives an insurance control point in the overhaul project, 5 points are not given for all corresponding solutions;
when the investment scheme gives the risk control points in the overhaul project, no corresponding solution is given or the investment scheme gives 0 point to the risk control points in the overhaul project;
the return on investment = (expected return + loss return)/cost investment.
Preferably, the score value of the power equipment overhaul investment plan =0.3 × equipment overhaul necessity index +0.6 × power equipment state index +0.1 × investment plan evaluation index.
Preferably, the intrinsic overhaul period of the plant is determined by industry standards. The planned operation age of the equipment is determined by the plan of the equipment during installation; the expected income, the loss-free income and the cost investment are all contents in the investment scheme of the overhaul of the power equipment.
The method of the invention forms more uniform evaluation indexes, can solve the problems of uncertain evaluation indexes, strong subjectivity and the like, simultaneously carries out grading expansion on the evaluation indexes, can better solve the problems of non-uniform evaluation standard dimensions, difficult quantization of the evaluation indexes and the like, forms objective comprehensive evaluation results, can further evaluate the importance degree and the priority order of the overhaul investment scheme of the power equipment according to the evaluation results, has high adaptation degree to multiple indexes and uncertain indexes, and solves the problem that the overhaul investment establishment of the power equipment is difficult to comprehensively evaluate and order at present.
Detailed Description
The present invention is further illustrated by the following examples, but the scope of the invention is not limited thereto.
Examples
A comprehensive evaluation method for an investment scheme of overhaul of power equipment comprises the following steps:
(1) Determining a first-level index of the overhaul investment of the power equipment, and determining the index weight of the first-level index;
the primary indexes are equipment overhaul necessity indexes, power equipment state indexes and investment scheme evaluation indexes; the index weight of the equipment overhaul necessity index is 0.3; the index weight of the power equipment state index is 0.6; the index weight of the investment scheme evaluation index is 0.1;
(2) Determining a secondary index under the primary index, calculating the score of the secondary index, and adding the scores of the secondary index to obtain a primary index score;
the secondary indexes under the primary index equipment overhaul necessity index are whether special treatment is performed or not, whether countermeasures are required or not, whether operation is carried out with diseases or not, whether new technology is popularized or not and whether family defects exist or not; the calculation of the secondary index is determined to be yes or no, and when the secondary index is calculated to be yes, the score is 0.2; if not, 0 point is obtained;
the second-level indexes under the first-level index power equipment state indexes are as follows: the device overhaul period allowance, the device periodic defect state and the device aging state;
the equipment overhaul period allowance = [ (equipment intrinsic overhaul period-operation days after the last overhaul)/equipment intrinsic overhaul period ] + 100%;
the periodic defect state of the equipment = [ (defect number in the last overhaul period of the equipment-defect number after the latest overhaul)/defect number in the last overhaul period of the equipment ] × 100%;
the equipment aging state = [ (equipment plan operational life-equipment commissioning life)/equipment plan operational life ] × 100%;
the second-level indexes under the first-level index investment scheme evaluation indexes are risk management and control and investment return;
the risk management and control calculation is as follows: when the investment scheme gives a risk control point in the overhaul project, giving 10 points of all corresponding solutions;
when the investment scheme gives an insurance control point in the overhaul project, 5 points are not given for all corresponding solutions;
when the investment scheme gives the risk control points in the overhaul project, no corresponding solution is given or the investment scheme gives 0 point to the risk control points in the overhaul project;
the return on investment = (expected return + loss return)/cost investment;
the intrinsic overhaul period of the equipment is determined by an industry standard; the planned operating life of the equipment is determined by planning when the equipment is installed; the expected income, the lack-eliminating income and the cost investment are all contents in the investment scheme of the overhaul of the power equipment;
(3) Calculating the score value of the investment scheme of the major repair of the electric power equipment according to the score and the weight of the first-level index, and sequencing from high to low; the assessment value of the power equipment overhaul investment plan =0.3 × equipment overhaul necessity index +0.6 × power equipment state index +0.1 × investment plan assessment index.
Claims (5)
1. A comprehensive evaluation method for an investment scheme of overhaul of power equipment is characterized by comprising the following steps:
(1) Determining a first-level index of the overhaul investment of the power equipment, and determining the index weight of the first-level index;
(2) Determining a secondary index under the primary index, calculating the score of the secondary index, and adding the scores of the secondary index to obtain a primary index score;
(3) And calculating the grade value of the investment scheme of the overhaul of the electric power equipment according to the grade index score and the weight, and sequencing from high to low.
2. The comprehensive evaluation method for the investment scheme of the overhaul of the power equipment according to claim 1, wherein in the step (1), the primary indexes are an equipment overhaul necessity index, a power equipment state index and an investment scheme evaluation index; the index weight of the equipment overhaul necessity index is 0.3; the index weight of the power equipment state index is 0.6; the index weight of the investment scheme evaluation index is 0.1.
3. The comprehensive evaluation method for the major repair investment scheme of the power equipment according to claim 2, wherein in the step (2), secondary indexes under the primary index equipment major repair necessity indexes are whether special treatment is performed or not, whether countermeasures are required or not, whether operation is performed with diseases or not, whether new technology is popularized or not and whether family defects exist or not; the calculation of the secondary index is determined to be yes or no, and when the secondary index is calculated to be yes, the score is 0.2; when no, a score of 0 is obtained.
4. The comprehensive evaluation method for the investment scheme of the overhaul of the power equipment according to claim 2, wherein in the step (2), the secondary indexes under the state indexes of the power equipment with the primary indexes are as follows: the device overhaul period allowance, the device periodic defect state and the device aging state;
the equipment overhaul period allowance = [ (equipment intrinsic overhaul period-operation days after the last overhaul)/equipment intrinsic overhaul period ] + 100%;
the periodic defect state of the equipment = [ (defect number in the last overhaul period of the equipment-defect number after the latest overhaul)/defect number in the last overhaul period of the equipment ] × 100%;
the equipment aging state = [ (equipment planned operational life-equipment commissioning life)/equipment planned operational life ] × 100%.
5. The comprehensive evaluation method for the investment scheme of the overhaul of the power equipment according to claim 2, wherein secondary indexes under the evaluation indexes of the primary index investment scheme are risk management and control and return on investment;
the risk management and control calculation is as follows: when the investment scheme gives a risk control point in the overhaul project, and gives all corresponding solutions with 10 points;
when the investment scheme gives an insurance control point in the overhaul project, 5 points are not given for all corresponding solutions;
when the investment scheme gives the risk control points in the overhaul project, no corresponding solution is given or the investment scheme gives 0 point to the risk control points in the overhaul project;
the return on investment = (expected return + loss return)/cost investment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210999619.2A CN115310851A (en) | 2022-08-19 | 2022-08-19 | Comprehensive evaluation method for power equipment overhaul investment scheme |
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| CN202210999619.2A CN115310851A (en) | 2022-08-19 | 2022-08-19 | Comprehensive evaluation method for power equipment overhaul investment scheme |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115983572A (en) * | 2022-12-22 | 2023-04-18 | 深圳乐信软件技术有限公司 | Method and device for ordering fund parties, computer equipment and storage medium |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115983572A (en) * | 2022-12-22 | 2023-04-18 | 深圳乐信软件技术有限公司 | Method and device for ordering fund parties, computer equipment and storage medium |
| CN115983572B (en) * | 2022-12-22 | 2023-12-12 | 深圳乐信软件技术有限公司 | Method and device for ordering fund parties, computer equipment and storage medium |
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