CN117610968A - Investment benefit assessment method for large-scale electric power capital construction project - Google Patents

Investment benefit assessment method for large-scale electric power capital construction project Download PDF

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CN117610968A
CN117610968A CN202311737665.6A CN202311737665A CN117610968A CN 117610968 A CN117610968 A CN 117610968A CN 202311737665 A CN202311737665 A CN 202311737665A CN 117610968 A CN117610968 A CN 117610968A
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electric power
project
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李建青
刘士李
杨帆
赵迎迎
潘文明
陈付雷
唐越
施晓敏
沈思
杜海红
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Economic and Technological Research Institute of State Grid Anhui Electric Power Co Ltd
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Abstract

The invention discloses a large-scale electric power capital construction project investment benefit assessment method. The investment benefit evaluation method for the large-scale electric power capital construction project comprises the following steps: acquiring the item type; acquiring investment benefit evaluation parameters; acquiring investment benefit evaluation weights; and calculating an investment benefit evaluation score. According to the invention, the project type of the large-scale electric power foundation project and the investment benefit evaluation data of each project in the historical time period are obtained, then the investment benefit evaluation parameters are obtained, then the investment benefit evaluation weight is obtained according to the duty ratio of the corresponding data of each investment benefit evaluation parameter, then the project type of each large-scale electric power foundation project in the preset time period and the investment benefit evaluation data are obtained, finally the investment benefit evaluation score of each project is calculated to evaluate the investment benefit degree, the investment benefit evaluation accuracy of the large-scale electric power foundation project is improved, and the problem that the investment benefit evaluation accuracy of the large-scale electric power foundation project is low in the prior art is solved.

Description

Investment benefit assessment method for large-scale electric power capital construction project
Technical Field
The invention relates to the technical field of evaluation of power grid infrastructure projects, in particular to a large-scale power infrastructure project investment benefit evaluation method.
Background
The investment of large and medium-sized power grid infrastructure projects is used as the most main investment part of power grid companies, and the investment benefit directly influences the benefit and the operation level of the companies. How to reasonably sort the investment of a plurality of projects to be built under the limited fund condition and realize the maximization of the economic benefit and the social benefit of the power grid investment is a problem to be solved urgently at present. The main purpose of large and medium-sized power capital construction project benefit assessment is to provide basis for comparison and sequencing of individual project benefits, and economic benefit, safety benefit and social benefit are required to be organically unified, namely comprehensive benefit is determined. However, the benefits generated by each project are emphasized, and the benefits are combined together according to different weights.
In the prior art, the evaluation of economic benefit is carried out in a rating mode, and belongs to a typical qualitative evaluation-based method; the evaluation of the safety benefit adopts a classification qualitative mode; the social benefit is measured by quantitative and qualitative indexes, and the qualitative indexes are the main.
For example, bulletin numbers: an evaluation method for comprehensive performance of electric power informatization of patent publication of CN107292476B comprises the following steps: (1) Determining an evaluation object and an index system of the power informatization comprehensive performance; (2) collecting relevant data according to the evaluation object; (3) Calculating an evaluation value of the evaluation object by using the collected related data, wherein the evaluation value comprises evaluating the construction quality to obtain a construction quality evaluation value; evaluating the operation level to obtain an operation level evaluation value; evaluating the application success to obtain an application success evaluation value; and evaluating the economic benefit to obtain an economic benefit evaluation value.
For example, bulletin numbers: a power system infrastructure project combination scheme decision method of the invention patent publication CN116029559B, comprising: firstly, generating a plurality of alternative infrastructure project combination schemes based on a infrastructure project set, calculating the comprehensive utility value of each alternative scheme, selecting the alternative scheme with the largest comprehensive utility value as an optimal scheme, then respectively carrying out risk assessment on each new energy matched infrastructure project in the optimal scheme to obtain new energy waste capacity expectations, judging whether the new energy waste capacity expectations of each new energy matched infrastructure project exceed a set threshold value or not, if not, taking the optimal scheme as a final power system infrastructure project combination scheme, and if at least one item exceeds the set threshold value, rejecting the new energy matched infrastructure project exceeding the set threshold value and then redefining the project combination scheme.
However, in the process of implementing the technical scheme of the invention in the embodiment of the application, the inventor of the application finds that at least the following technical problems exist in the above technology:
in the prior art, the situation that a plurality of projects are in the same gear is caused when the economic benefit is evaluated by using a rating method, the type and the benefit of the social benefit are ignored by a social benefit evaluation method, the investment benefit of the projects cannot be accurately evaluated, and the problem that the investment benefit evaluation accuracy of the large-scale electric power capital construction projects is low is solved.
Disclosure of Invention
According to the embodiment of the application, the problem of low accuracy of investment benefit evaluation of the large-scale electric power foundation project in the prior art is solved by providing the investment benefit evaluation method of the large-scale electric power foundation project, and the accuracy of investment benefit evaluation of the large-scale electric power foundation project is improved.
The embodiment of the application provides a large-scale electric power capital construction project investment benefit assessment method, which comprises the following steps: s1, collecting investment benefit evaluation data of each large-scale electric power foundation project in a historical time period, and determining the project type of the large-scale electric power foundation project according to different emphasis points of each large-scale electric power foundation project; s2, acquiring constituent elements of investment benefit evaluation data of large-scale electric power foundation projects of various project types in a historical time period, and obtaining investment benefit evaluation parameters of investment benefit evaluation of the large-scale electric power foundation projects; s3, obtaining the investment benefit evaluation weight corresponding to each investment benefit evaluation parameter according to the ratio of the corresponding data of each investment benefit evaluation parameter in the investment benefit evaluation data of the large-scale electric power capital construction project of each project type in the historical time period; s4, acquiring project types of all large-scale electric power infrastructure projects in a preset time period and investment benefit evaluation data corresponding to all investment benefit evaluation parameters, calculating investment benefit evaluation scores of all the large-scale electric power infrastructure projects in the preset time period by combining the investment benefit evaluation weights corresponding to all the investment benefit evaluation parameters, and evaluating the investment benefit degree of the corresponding large-scale electric power infrastructure projects according to the calculated investment benefit evaluation scores.
Further, the investment benefit evaluation parameters include efficiency evaluation parameters, comprehensive benefit evaluation parameters and efficiency evaluation parameters, which are specifically as follows: the efficiency evaluation parameters comprise unit investment increment power supply quantity, unit line length investment amount, capacity ratio, unit capacity investment amount and unit investment increment load; the comprehensive benefit evaluation parameters comprise economic benefit evaluation parameters, safety benefit evaluation parameters and social benefit evaluation parameters; the efficiency evaluation parameters comprise the completion degree of a production milestone plan, the completion degree of a new construction milestone plan, the accuracy degree of a planning project, the completion degree of a annual investment plan, the approval completion degree of the new construction project and the authenticity of statistical data of construction projects; the project types of the large-scale electric power capital construction project comprise a safety lifting type, a development matching type and a demand driving type.
Further, the investment benefit evaluation data comprises efficiency evaluation data, comprehensive benefit evaluation data and efficiency evaluation data, and the investment benefit evaluation data comprises the following specific steps: the efficiency evaluation data comprise unit investment power increment data, unit line length investment amount data, capacity ratio data, unit capacity investment amount data and unit investment power increment load data of the region where each large-scale electric power capital construction project is located; the comprehensive benefit evaluation data comprise economic benefit evaluation data, safety benefit evaluation data and social benefit evaluation data of each large-scale electric power infrastructure project; the efficiency evaluation data comprise the planned completion rate of the production milestone in the region where the large-scale electric power foundation projects are located, the planned completion rate of the new construction milestone, the planned project accuracy, the annual investment plan completion rate, the approval completion rate of the new construction projects and the actual rate of the construction project statistics data.
Further, the investment benefit evaluation weight comprises an efficiency evaluation weight and a performance evaluation weight, and the specific calculation process is as follows: acquiring efficiency evaluation data and efficiency evaluation data of a region where a large-scale electric power infrastructure project of each project type is located in a collected historical time period; according to a variation coefficient method, obtaining average value and standard deviation of efficiency evaluation data and efficiency evaluation data of regions where large-scale power foundation projects of each project type are located through data forward and data standardization processing, obtaining efficiency evaluation data and efficiency evaluation data variation coefficient of the large-scale power foundation projects of each project type according to the ratio of corresponding data, and obtaining efficiency evaluation weight of regions where the large-scale power foundation projects of each project type are located through a formulaAnd efficacy assessment weight->Where p=1, 2,3, p=1 represents a safety-lifting type large electric power infrastructure item, p=2 represents a development-matched type large electric power infrastructure item, p=3 represents a demand-driven type large electric power infrastructure item, q=1, 2, Q represents the total number of regions where the large infrastructure items are different.
Further, the comprehensive benefit evaluation data is used for calculating a corresponding comprehensive benefit evaluation score, and the comprehensive benefit is obtained The specific calculation process of the benefit evaluation score is as follows: step one, calculating economic benefit scores of the corresponding large-scale electric power capital construction projects according to the economic benefit evaluation data corresponding to the economic benefit evaluation parameters of the large-scale electric power capital construction projects in the obtained historical time period; calculating the safety benefit index of each large-scale electric power foundation project according to the acquired safety benefit evaluation data corresponding to the safety benefit evaluation parameters of each large-scale electric power foundation project in the historical time period, and obtaining the corresponding safety benefit score by combining the reference value in the preset safety benefit table; calculating the social benefit index of each large-scale electric power foundation project according to the obtained social benefit evaluation data corresponding to the social benefit parameters of each large-scale electric power foundation project in the historical time period, and combining the corresponding social benefit scores of the preset archive values in the preset social benefit archive matrix; step four, according to the economic benefit score, the safety benefit score and the social benefit score of each large-scale electric power foundation project in the calculated historical time period, acquiring the economic benefit weight EW, the safety benefit weight RW and the social benefit weight SW of the large-scale electric power foundation project by combining a CRITIC method; step five, calculating economic benefit score EBS of the ith large-scale electric power infrastructure project in a preset time period i Score RBS for safety benefit i And social benefit fraction SBS i Combining the obtained economic benefit weight, the obtained safety benefit weight and the obtained social benefit weight, and obtaining the comprehensive benefit score W of the ith large-scale electric power infrastructure project in a preset time period through a comprehensive benefit score formula i The comprehensive benefit score formula is as followsWhere e is a natural constant, i=1, 2,..i, I is the total number of large electric power capital construction projects within a preset time period, α is a correction factor for the economic benefit score of each large electric power capital construction project, β is a correction factor for the safety benefit score of each large electric power capital construction project, χ is a correction factor for the social benefit score of each large electric power capital construction project.
Further, the specific calculation process of the economic benefit score is as follows: acquiring the ith in a preset time periodConstruction period data C of large-scale electric power capital construction project i Total cost data PC i Advanced data ADC of engineering unit investment cost i And power supply data IPS for unit investment increment i The economic benefit score EBS of the ith large-scale electric power infrastructure project is calculated through an economic benefit score formula by combining preset construction period data delta C, preset cost data delta PC, preset engineering unit investment cost advanced degree data delta ADC and preset unit investment power increment data delta IPS i The economic benefit score formula is as followsWherein delta is a correction factor of construction period data of a large-scale electric power foundation project, epsilon is a correction factor of total cost data of the large-scale electric power foundation project, phi is a correction factor of engineering unit investment cost advanced degree data of the large-scale electric power foundation project, and->And adding a correction factor of the power supply data for unit investment of a large-scale electric power capital construction project.
Further, the specific calculation process of the security benefit score is as follows: acquiring a preset construction target of an ith large-scale electric power foundation project in a preset time period and a corresponding target construction safety index PQ i Calculating the safety benefit index QI of the ith large-scale electric power capital construction project through a safety benefit index formula by combining the reference target construction safety index delta PQ i The safety benefit index formula isWherein gamma is a correction factor of a target construction safety index of a large-scale electric power capital construction project; acquiring a preset safety benefit index and a preset safety benefit score corresponding to each preset safety benefit type in a preset safety benefit type table, and comparing the calculated safety benefit index with the preset safety benefit index corresponding to each preset safety benefit type: when the calculated safety benefit index of the ith large-scale electric power infrastructure project meets QI i ≥μ 1 When in use, forThe security benefit score of the response is RBS i ＝η 1 The method comprises the steps of carrying out a first treatment on the surface of the When the calculated safety benefit index of the ith large-scale electric power infrastructure project meets mu 1 ＞QI i ≥μ 2 When the corresponding security benefit score is RBS i ＝η 2 The method comprises the steps of carrying out a first treatment on the surface of the When the calculated safety benefit index of the ith large-scale electric power infrastructure project meets mu 2 ＞QI i ≥μ 3 When the corresponding security benefit score is RBS i ＝η 3 The method comprises the steps of carrying out a first treatment on the surface of the When the calculated safety benefit index of the ith large-scale electric power infrastructure project meets mu 3 ＞QI i When the corresponding security benefit score is RBS i ＝η 4 The method comprises the steps of carrying out a first treatment on the surface of the The preset safety benefit index mu 1 ＞μ 2 ＞μ 3 ＞μ 4 The preset safety benefit fractions are integers, and eta 1 ＞η 2 ＞η 3 ＞η 4 ＞0。
Further, the specific calculation process of the social benefit score is as follows: obtaining the commercial environmental benefit improvement weight W of the large electric power construction project according to the objective weighting method through the obtained commercial environmental benefit improvement score, the civil benefit improvement score, the green development benefit improvement score and the cooperative benefit improvement score of each large electric power construction project in the historical time period B Weight W for improving civil benefit L Green development benefit improvement weight W G And synergistic cooperation benefit improvement weight W S The method comprises the steps of carrying out a first treatment on the surface of the Acquiring a commercial environmental benefit improvement score SF of an ith large-scale electric power infrastructure project in a preset time period i 1 Fractional SF for improving civil benefit i 2 Green development benefit improvement score SF i 3 And synergistic benefit improvement score SF i 4 Calculating the social benefit score SBS of the ith large-scale electric power infrastructure project through a social benefit score formula i The social benefit score formula is as followsWherein W is B +W L +W G +W S ＝1。
Further, the commercial environmental benefitThe specific calculation processes of the improvement score, the civil benefit improvement score, the green development benefit improvement score and the synergistic benefit improvement score are as follows: acquiring improvement data of the j-th aspect of the i-th large electric power infrastructure project within a collected preset time periodPresetting improved data delta S in combination with corresponding j-th aspect j Calculating an improvement index +_j of a j-th aspect of the i-th large-scale electric power infrastructure project by a benefit improvement index formula>The benefit improvement index formula isWherein lambda is j For the correction factor of the improvement index of the j-th aspect of the large power infrastructure project in the collected historical time period, j=1, 2,3,4, j=1 represents the commercial environmental benefit, j=2 represents the civil benefit, j=3 represents the green development benefit, and j=4 represents the collaborative cooperation benefit; acquiring preset improvement indexes and preset filing values corresponding to all preset social benefit types from a preset social benefit filing matrix, and comparing the calculated improvement indexes in all aspects with the preset improvement indexes corresponding to all the preset social benefit types: improvement index satisfies when the j-th aspect of the calculated i-th large electric power infrastructure project When the corresponding j-th aspect improvement score is SF i j ＝ξ 1 The method comprises the steps of carrying out a first treatment on the surface of the When the calculated j-th aspect improvement index of the i-th large electric power infrastructure project satisfies +.>When the corresponding j-th aspect improves the score to SF i j ＝ξ 2 The method comprises the steps of carrying out a first treatment on the surface of the Said preset improvement index->Preset Chinese angelicaThe gear values are integers and ζ 2 ＞ξ 1 K=1, 2,..k, where K is the total number of preset social benefit types in the preset social benefit archive matrix.
Further, the specific calculation process of the investment benefit evaluation score is as follows: obtaining the comprehensive benefit score W of the ith large-scale electric power infrastructure project in a preset time period i And evaluate the weight according to the item types i-p, the regions i-q and the efficiency of the corresponding regionsAnd efficacy assessment weight->Calculating an investment benefit evaluation score IBS of the ith large-scale electric power infrastructure project by an investment benefit evaluation score formula i The investment benefit evaluation score formula is as followsWherein->The safety factor of the comprehensive benefit score of a large-scale electric power capital construction project, i→p=i→1, i→2, i→ 3,i →q=i→1, i→2.
One or more technical solutions provided in the embodiments of the present application at least have the following technical effects or advantages:
1. acquiring project types of large-scale electric power foundation projects through different project emphasis points, collecting investment benefit evaluation data of each large-scale electric power foundation project in a historical time period, acquiring investment benefit evaluation parameters of the large-scale electric power foundation projects according to the collected data, acquiring investment benefit evaluation weights according to the proportion of corresponding data of each investment benefit evaluation parameter in each large-scale electric power foundation project of each project type in the historical time period in the investment benefit evaluation data, acquiring project types and investment benefit evaluation data of each large-scale electric power foundation project in a preset time period, and finally calculating investment benefit evaluation scores of each large-scale electric power foundation project in the preset time period to evaluate the investment benefit degree of each project, thereby realizing accurate evaluation of the investment benefit of the large-scale electric power foundation project, further realizing improvement of the investment benefit evaluation accuracy of the large-scale electric power foundation project, and effectively solving the problem of low investment benefit evaluation accuracy of the large-scale electric power foundation project in the prior art.
2. The method comprises the steps of obtaining project types of large-scale electric power foundation projects, obtaining efficiency evaluation data of regions where the large-scale electric power foundation projects are located in a collected historical time period, obtaining efficiency evaluation data of regions where the large-scale electric power foundation projects are located in the collected historical time period, obtaining average values and standard deviations of the efficiency evaluation data and the efficiency evaluation data of the regions where the large-scale electric power foundation projects are located according to a variation coefficient method, and finally calculating efficiency evaluation weights and efficiency evaluation weights of the regions where the large-scale electric power foundation projects are located in the various project types through formulas, so that comprehensive evaluation of the efficiency and the efficiency of the regions where the large-scale electric power foundation projects are located is achieved, and further comprehensive evaluation of investment benefit of the large-scale electric power foundation projects is achieved.
3. The economic benefit evaluation data of each large-scale electric power foundation project in a preset time period are obtained, the corresponding economic benefit score is calculated, then the safety benefit evaluation data of each large-scale electric power foundation project is obtained, the corresponding safety benefit score is obtained by combining a preset safety benefit table, then the social benefit evaluation data of each large-scale electric power foundation project is obtained, the corresponding social benefit score is obtained by combining a preset social benefit archiving matrix, and then the economic benefit weight, the safety benefit weight and the social benefit weight of each large-scale electric power foundation project are obtained according to the economic benefit score, the safety benefit score and the social benefit score of each large-scale electric power foundation project in a calculated historical time period, and finally the comprehensive benefit score of each large-scale electric power foundation project in the preset time period is calculated, so that the system evaluation of the comprehensive benefit of the large-scale electric power foundation project is realized, and the comprehensive benefit evaluation systematicness of the large-scale electric power foundation project is improved.
Drawings
FIG. 1 is a flowchart of a method for evaluating investment benefits of a large-scale electric power capital construction project according to an embodiment of the present application;
FIG. 2 is a flowchart of the calculation of the comprehensive benefit evaluation score according to the embodiments of the present application;
FIG. 3 is a sample of a preset security benefit type table provided in an embodiment of the present application;
fig. 4 is a preset social benefit archiving matrix sample provided in an embodiment of the present application.
Detailed Description
According to the embodiment of the application, the problem of low investment benefit evaluation accuracy of large-scale electric power foundation projects in the prior art is solved by providing the large-scale electric power foundation project investment benefit evaluation method, the investment benefit evaluation weight corresponding to each investment benefit evaluation parameter is obtained according to the ratio of the investment benefit evaluation parameter corresponding to each investment benefit evaluation parameter in the large-scale electric power foundation project investment evaluation data in the history time period, the investment benefit evaluation data corresponding to each large-scale electric power foundation project in the preset time period is obtained, the corresponding comprehensive benefit evaluation score is calculated according to the investment benefit evaluation data corresponding to each large-scale electric power foundation project in the history time period, and finally the investment benefit score corresponding to each large-scale electric power foundation project in the preset time period is calculated by combining the investment benefit evaluation data corresponding to each investment benefit evaluation parameter, so that the investment benefit evaluation accuracy is improved.
The technical scheme in the embodiment of the application aims to solve the problem of low accuracy of investment benefit evaluation of the large-scale electric power capital construction project, and the overall thought is as follows:
acquiring project types of large-scale electric power infrastructure projects through different project emphasis points, collecting investment benefit evaluation data of the large-scale electric power infrastructure projects in a historical time period, acquiring investment benefit evaluation parameters of the large-scale electric power infrastructure projects according to the collected data, acquiring investment benefit evaluation weights according to the proportion of corresponding data of the investment benefit evaluation parameters of the project types in the investment benefit evaluation data in the historical time period, acquiring project types and the investment benefit evaluation data of the large-scale electric power infrastructure projects in a preset time period, and finally calculating investment benefit evaluation scores of the large-scale electric power infrastructure projects in the preset time period to evaluate the investment benefit degree of the large-scale electric power infrastructure projects, thereby achieving the effect of improving the investment benefit evaluation accuracy of the large-scale electric power infrastructure projects.
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
As shown in fig. 1, a flowchart of a method for evaluating investment benefits of a large-scale electric power capital construction project is provided for a server, and the method includes the following steps: s1, acquiring item types: collecting investment benefit evaluation data of each large-scale electric power foundation project in a historical time period, and determining the project type of the large-scale electric power foundation project according to different emphasis points of each large-scale electric power foundation project; s2, acquiring investment benefit evaluation parameters: acquiring constituent elements of investment benefit evaluation data of large-scale electric power capital construction projects of various project types in a historical time period, and obtaining investment benefit evaluation parameters of investment benefit evaluation of the large-scale electric power capital construction projects; s3, acquiring investment benefit evaluation weights: obtaining the investment benefit evaluation weight corresponding to each investment benefit evaluation parameter according to the ratio of the corresponding data of each investment benefit evaluation parameter in the investment benefit evaluation data of the large-scale electric power infrastructure project of each project type in the historical time period; s4, calculating an investment benefit evaluation score: acquiring project types of all large-scale electric power infrastructure projects in a preset time period and investment benefit evaluation data corresponding to all investment benefit evaluation parameters, calculating investment benefit evaluation scores of all the large-scale electric power infrastructure projects in the preset time period by combining the investment benefit evaluation weights corresponding to all the investment benefit evaluation parameters, and evaluating the investment benefit degree of the corresponding large-scale electric power infrastructure projects according to the calculated investment benefit evaluation scores.
In this embodiment, the division of the large, medium and small projects of the foundation is the division of the foundation projects according to the construction scale thereof; according to the current regulations, two expression methods exist under different conditions of the construction scale of the basic construction project, namely, the two expression methods are divided according to the design capacity of the project, and the two expression methods are divided according to the total investment of the project; the method can be divided into large-scale capital construction projects, medium-scale capital construction projects and small-scale capital construction projects, and has specific standards; the emphasis points of all large-scale electric power capital construction projects are different, the corresponding investment benefits are also different, and the investment benefit degree cannot be evaluated by the same index; and the investment benefit evaluation accuracy of the large-scale electric power capital construction project is improved.
Further, the investment benefit evaluation parameters include efficiency evaluation parameters, comprehensive benefit evaluation parameters and efficiency evaluation parameters, and the investment benefit evaluation parameters are specifically as follows: the efficiency evaluation parameters comprise unit investment increment power supply quantity, unit line length investment amount, capacity ratio, unit capacity investment amount and unit investment increment load; the comprehensive benefit evaluation parameters comprise economic benefit evaluation parameters, safety benefit evaluation parameters and social benefit evaluation parameters; the efficiency evaluation parameters comprise the completion degree of a production milestone plan, the completion degree of a new construction milestone plan, the accuracy degree of a planning project, the completion degree of a annual investment plan, the approval completion degree of the new construction project and the authenticity of statistical data of construction projects; the project types of the large-scale electric power capital construction project include safety lifting type, development matching type and demand driving type.
In the embodiment, the safety lifting type can be subdivided into a safety hidden danger eliminating type and a net rack perfect engineering type; the development matching type can be further divided into four subtypes of policy matching, power matching, user matching and network matching; the demand-driven type can be subdivided into a strategic point distribution type, an economic benefit type, and an improved service level type, wherein the situation of improving the service level is less frequent; for efficiency assessment, the overall grid investment efficiency level of a region is typically reflected by a measure; for comprehensive benefit evaluation, economic benefit, social benefit and safety benefit need to be measured through evaluation; for efficiency evaluation, the monitoring and evaluation of the efficiency level of the power grid investment management process are achieved by a monitoring mode; the investment benefit of the large-scale electric power capital construction project is estimated more comprehensively.
Further, the investment benefit evaluation data includes efficiency evaluation data, comprehensive benefit evaluation data and efficiency evaluation data, and specifically includes the following steps: the efficiency evaluation data comprise unit investment increment power supply data, unit line length investment amount data, capacity ratio data, unit capacity investment amount data and unit investment increment load data of the region where each large-scale electric power foundation project is located; the comprehensive benefit evaluation data comprise economic benefit evaluation data, safety benefit evaluation data and social benefit evaluation data of each large-scale electric power foundation project; the efficiency evaluation data comprise the planned completion rate of the production milestone in the region where the large-scale electric power foundation projects are located, the planned completion rate of the new construction milestone, the planned project accuracy, the annual investment planned completion rate, the approved completion rate of the new construction projects and the actual rate of the construction project statistics data.
In the embodiment, the average annual electric quantity data expected to be increased in the reference time period after each project is built and the annual fixed asset recovery limit data are obtained, and the ratio of the average annual electric quantity data to the annual fixed asset recovery limit data, namely the unit investment power increasing amount data of the project, are used for evaluating the investment benefit of the single project of the power grid and the overall investment benefit of the power grid; the unit investment increment has strong direction indication, is the investment benefit index with the most quantitative description capability, and the larger the value of the unit investment increment is, the better the input-output effect of the power grid investment in the period of time is, so that obvious economic benefit is obtained; the capacity ratio data are used for evaluating and measuring whether the capacity margin is proper or not after the investment benefit, the overall investment planning and the overall investment benefit of the power grid monomer project; the investment benefit evaluation data of the large-scale electric power capital construction project can be accurately obtained.
Further, the investment benefit evaluation weight comprises an efficiency evaluation weight and a performance evaluation weight, and the specific calculation process is as follows: acquiring efficiency evaluation data and efficiency evaluation data of a region where a large-scale electric power infrastructure project of each project type is located in a collected historical time period; according to the coefficient of variation method, the data is forward-oriented and the data standard is adopted Obtaining average value and standard deviation of efficiency evaluation data and efficiency evaluation data of the regions where the large electric power foundation projects of all project types are located through chemical processing, obtaining the efficiency evaluation data and efficiency evaluation data variation coefficients of the large electric power foundation projects of all project types according to the ratio of corresponding data, and obtaining the efficiency evaluation weight of the regions where the large electric power foundation projects of all project types are located through formulasAnd efficacy assessment weight->Where p=1, 2,3, p=1 represents a safety-lifting type large electric power infrastructure item, p=2 represents a development-matched type large electric power infrastructure item, p=3 represents a demand-driven type large electric power infrastructure item, q=1, 2, Q represents the total number of regions where the large infrastructure items are different.
In this embodiment, the coefficient of variation method (Coefficient of variation method) is a method for objectively giving weight by directly using information contained in each index and obtaining the weight of the corresponding index through calculation; the method has the basic method that in an evaluation index system, the larger the index value difference is, namely the more difficult to realize, the difference of the evaluated units can be reflected, and the variation coefficients of all indexes are needed to be used for measuring the difference degree of the values of all indexes in order to eliminate the influence of the difference of the dimensions of all evaluation indexes due to the difference of the dimensions of all indexes in the evaluation index system; the efficiency and the efficiency of the region where the large-scale electric power capital construction project is located are accurately estimated.
Further, as shown in fig. 2, in the flowchart for calculating the comprehensive benefit evaluation score provided in the embodiment of the present application, the comprehensive benefit evaluation data is used for calculating the corresponding comprehensive benefit evaluation score, and the specific calculation process of the comprehensive benefit evaluation score is as follows: step one, calculating corresponding large-scale electric power foundation projects according to economic benefit evaluation data corresponding to economic benefit evaluation parameters of the large-scale electric power foundation projects in the obtained historical time periodEconomic benefit score of (2); calculating the safety benefit index of each large-scale electric power foundation project according to the acquired safety benefit evaluation data corresponding to the safety benefit evaluation parameters of each large-scale electric power foundation project in the historical time period, and obtaining the corresponding safety benefit score by combining the reference value in the preset safety benefit table; calculating the social benefit index of each large-scale electric power foundation project according to the obtained social benefit evaluation data corresponding to the social benefit parameters of each large-scale electric power foundation project in the historical time period, and combining the corresponding social benefit scores of the preset archive values in the preset social benefit archive matrix; step four, according to the economic benefit score, the safety benefit score and the social benefit score of each large-scale electric power foundation project in the calculated historical time period, acquiring the economic benefit weight EW, the safety benefit weight RW and the social benefit weight SW of the large-scale electric power foundation project by combining a CRITIC method; step five, calculating economic benefit score EBS of the ith large-scale electric power infrastructure project in a preset time period i Score RBS for safety benefit i And social benefit fraction SBS i Combining the obtained economic benefit weight, the obtained safety benefit weight and the obtained social benefit weight, and obtaining the comprehensive benefit score W of the ith large-scale electric power infrastructure project in a preset time period through a comprehensive benefit score formula i The comprehensive benefit score formula is as followsWhere e is a natural constant, i=1, 2,..i, I is the total number of large electric power capital construction projects within a preset time period, α is a correction factor for the economic benefit score of each large electric power capital construction project, β is a correction factor for the safety benefit score of each large electric power capital construction project, χ is a correction factor for the social benefit score of each large electric power capital construction project.
In this embodiment, CRITIC is an objective weighting method, which is called "Criteria Importance Through Intercriteria Correlation" in english, and determines the importance of each index to the model performance by performing correlation analysis on a plurality of indexes of the model performance; the CRITIC method comprises the main steps of determining an evaluation index, evaluating a model, calculating a correlation coefficient, determining the importance of the index and analyzing the result; when the actual economic benefit score, the safety benefit score and the social benefit score of each large-scale electric power infrastructure project are all 1, the obtained comprehensive benefit score reaches the maximum value; and the comprehensive benefit of the large-scale electric power capital construction project is more accurately estimated.
Further, the specific calculation process of the economic benefit score is as follows: acquiring construction period data C of the ith large-scale electric power foundation project in a preset time period i Total cost data PC i Advanced data ADC of engineering unit investment cost i And power supply data IPS for unit investment increment i The economic benefit score EBS of the ith large-scale electric power infrastructure project is calculated through an economic benefit score formula by combining preset construction period data delta C, preset cost data delta PC, preset engineering unit investment cost advanced degree data delta ADC and preset unit investment power increment data delta IPS i The economic benefit score formula is
Wherein delta is a correction factor of construction period data of a large-scale electric power foundation project, epsilon is a correction factor of total cost data of the large-scale electric power foundation project, phi is a correction factor of engineering unit investment cost advanced degree data of the large-scale electric power foundation project,and adding a correction factor of the power supply data for unit investment of a large-scale electric power capital construction project.
In this embodiment, the construction period directly affects the return on investment time of the project, and a longer construction period may result in a longer capital occupation time, increase capital cost, and reduce internal profitability and net present value, thereby negatively affecting economic benefits; the total cost is a main factor influencing the economic benefit, and the high total cost can directly influence the return on investment of the project, so that the risk is increased, and the economic benefit is reduced; the ratio of the difference value of the unit investment cost level data and the unit investment cost average level data of the large-scale electric power foundation project to the unit investment cost level data is recorded as engineering unit investment cost advanced degree data of the large-scale electric power foundation project; the engineering unit investment cost advanced degree reflects the cost efficiency of the project, the higher advanced degree can reduce the cost, improve the efficiency and positively influence the economic benefit, but the influence is indirect relative to the total cost; the unit investment increment amount is used for measuring the electric quantity which can be generated by each unit investment, and the higher unit investment increment amount indicates that more electric quantity can be generated by each unit investment, so that the economic benefit is positively influenced; the economic benefit degree of the large-scale electric power capital construction project is accurately estimated.
Further, as shown in fig. 3, for the preset security benefit type table example provided in the embodiment of the present application, the specific calculation process of the security benefit score is as follows: acquiring a preset construction target of an ith large-scale electric power foundation project in a preset time period and a corresponding target construction safety index PQ i Calculating the safety benefit index QI of the ith large-scale electric power capital construction project through a safety benefit index formula by combining the reference target construction safety index delta PQ i The safety benefit index formula isWherein gamma is a correction factor of a target construction safety index of a large-scale electric power capital construction project; acquiring a preset safety benefit index and a preset safety benefit score corresponding to each preset safety benefit type in a preset safety benefit type table, and comparing the calculated safety benefit index with the preset safety benefit index corresponding to each preset safety benefit type: when the calculated safety benefit index of the ith large-scale electric power infrastructure project meets QI i ≥μ 1 When the corresponding security benefit score is RBS i ＝η 1 The method comprises the steps of carrying out a first treatment on the surface of the When the calculated safety benefit index of the ith large-scale electric power infrastructure project meets mu 1 ＞QI i ≥μ 2 When the corresponding security benefit score is RBS i ＝η 2 The method comprises the steps of carrying out a first treatment on the surface of the When the calculated safety benefit index of the ith large-scale electric power infrastructure project meets mu 2 ＞QI i ≥μ 3 When the corresponding security benefit score is RBS i ＝η 3 The method comprises the steps of carrying out a first treatment on the surface of the When the calculated safety benefit index of the ith large-scale electric power infrastructure project meets mu 3 ＞QI i When the corresponding security benefit score is RBS i ＝η 4 The method comprises the steps of carrying out a first treatment on the surface of the Preset safety benefit index mu 1 ＞μ 2 ＞μ 3 ＞μ 4 The preset safety benefit fractions are integers, and eta 1 ＞η 2 ＞η 3 ＞η 4 ＞0。
In this embodiment, when the actual target construction safety index of the large-scale electric power infrastructure project is equal to the corresponding reference value, the corresponding safety benefit index is 1, and the safety benefit is highest at this time; the safety benefit is also called reliability benefit, the preset safety benefit type list divides the safety benefit into four steps I, II, III, IV, and the preset values corresponding to the safety benefit type list are 90, 70, 50 and 30 in sequence under the general condition; the safety benefit degree of the large-scale electric power foundation project is evaluated more comprehensively.
Further, the specific calculation process of the social benefit score is as follows: obtaining the commercial environmental benefit improvement weight W of the large electric power construction project according to the objective weighting method through the obtained commercial environmental benefit improvement score, the civil benefit improvement score, the green development benefit improvement score and the cooperative benefit improvement score of each large electric power construction project in the historical time period B Weight W for improving civil benefit L Green development benefit improvement weight W G And synergistic cooperation benefit improvement weight W S The method comprises the steps of carrying out a first treatment on the surface of the Acquiring a commercial environmental benefit improvement score SF of an ith large-scale electric power infrastructure project in a preset time period i 1 Fractional SF for improving civil benefit i 2 Green development benefit improvement score SF i 3 And synergistic benefit improvement score SF i 4 Calculating the social benefit score SBS of the ith large-scale electric power infrastructure project through a social benefit score formula i The social benefit score formula is as followsWherein W is B +W L +W G +W S ＝1。
In this embodiment, the methods for determining the index weight are mainly classified into two main categories, the first category is a subjective weighting method, the methods are mainly based on subjective views and experiences of individuals, such as an expert scoring method, and the other category is an objective weighting method, such as an entropy weighting method, a standard deviation method and the like; when the calculated commercial environmental benefit improvement score, the civil benefit improvement score, the green development benefit improvement score and the collaborative cooperation benefit improvement score are all 1, the corresponding social benefit score is the maximum value of 1, which indicates that the social benefit degree of the large-scale electric power foundation project is optimal; the improvement benefit of the commercial environment is also called as boosting economic development benefit, and the cooperative benefit is also called as policy cooperative benefit; the social benefit degree of the large-scale electric power capital construction project is evaluated more comprehensively.
Further, as shown in fig. 4, for the preset social benefit archiving matrix sample provided in the embodiment of the present application, the concrete calculation process of the commercial environmental benefit improvement score, the civil benefit improvement score, the green development benefit improvement score and the collaborative benefit improvement score is as follows: acquiring improvement data of the j-th aspect of the i-th large electric power infrastructure project within a collected preset time periodPresetting improved data delta S in combination with corresponding j-th aspect j Calculating an improvement index +_j of a j-th aspect of the i-th large-scale electric power infrastructure project by a benefit improvement index formula>The benefit improvement index formula is->Wherein lambda is j For the correction factor of the improvement index of the j-th aspect of the large power infrastructure project in the collected historical time period, j=1, 2,3,4, j=1 represents the commercial environmental benefit, j=2 represents the civil benefit, j=3 represents the green development benefit, and j=4 represents the collaborative cooperation benefit; acquiring preset improvement indexes and preset filing values corresponding to each preset social benefit type from a preset social benefit filing matrix,comparing the calculated improvement indexes of all aspects with preset improvement indexes corresponding to all preset social benefit types: when the calculated j-th aspect improvement index of the i-th large electric power infrastructure project satisfies +. >When the corresponding j-th aspect improvement score is SF i j ＝ξ 1 The method comprises the steps of carrying out a first treatment on the surface of the When the calculated j-th aspect improvement index of the i-th large electric power infrastructure project satisfies +.>When the corresponding j-th aspect improves the score to SF i j ＝ξ 2 The method comprises the steps of carrying out a first treatment on the surface of the Preset improvement index->The preset filing values are integers and xi 2 ＞ξ 1 K=1, 2,..k, where K is the total number of preset social benefit types in the preset social benefit archive matrix.
In this embodiment, as can be seen from the provided preset social benefit archiving matrix, the social benefit is divided into five gear positions, each gear position corresponding to k=5 is further specifically subdivided into a strong gear and a weak gear, the corresponding preset archiving values are respectively 85 and 50, and corresponding ζ is calculated 2 ＝80，ξ 1 =50; the benefit improvement index increases with the increase of the improvement data of the corresponding aspect, and reaches a maximum value of 1 when the actual improvement data is equal to the corresponding preset improvement data; the more accurate assessment of the benefit improvement degree of the large-scale electric power capital construction project in all aspects is realized.
Further, the specific calculation process of the investment benefit evaluation score is as follows: obtaining the comprehensive benefit score W of the ith large-scale electric power infrastructure project in a preset time period i And evaluate the weight according to the item types i-p, the regions i-q and the efficiency of the corresponding regions And efficacy assessmentWeight->Calculating an investment benefit evaluation score IBS of the ith large-scale electric power infrastructure project by an investment benefit evaluation score formula i The investment benefit evaluation score formula is as followsWherein->The safety factor of the comprehensive benefit score of a large-scale electric power capital construction project, i→p=i→1, i→2, i→ 3,i →q=i→1, i→2.
In this embodiment, the investment benefit evaluation score of each large-scale electric power infrastructure project increases with the increase of the efficiency evaluation weight and the efficiency evaluation weight of the region where the project is located, and when the corresponding efficiency evaluation weight and the efficiency evaluation weight are 1, the corresponding investment benefit evaluation score reaches the maximum, which indicates that the investment benefit degree of the large-scale electric power infrastructure project is excellent; through the calculated investment benefit evaluation score, the relationship of the investment benefit degree of each large-scale electric power capital construction project can be evaluated; and the numerical evaluation of the investment benefit degree of the large-scale electric power capital construction project is realized.
The technical scheme in the embodiment of the application at least has the following technical effects or advantages: relative to the bulletin number: according to the method for evaluating the comprehensive performance of the power informatization, disclosed by CN107292476B, the embodiment of the application obtains the project types of large-scale power foundation projects, then obtains the efficiency evaluation data of the areas where the large-scale power foundation projects are located in the collected historical time period, obtains the average value and standard deviation of the efficiency evaluation data and the efficiency evaluation data of the areas where the large-scale power foundation projects are located according to a variation coefficient method, and finally calculates the efficiency evaluation weight and the efficiency evaluation weight of the areas where the large-scale power foundation projects are located in each project type through a formula, so that the comprehensive evaluation of the efficiency and the efficiency of the areas where the large-scale power foundation projects are located is realized, and further the comprehensive evaluation of the investment benefits of the large-scale power foundation projects is realized; relative to the bulletin number: according to the method for deciding the combined scheme of the large-scale electric power system infrastructure projects, in the embodiment of the application, through acquiring economic benefit evaluation data of each large-scale electric power infrastructure project in a preset time period, calculating corresponding economic benefit scores, then acquiring safety benefit evaluation data of each large-scale electric power infrastructure project, obtaining corresponding safety benefit scores by combining a preset safety benefit table, then acquiring social benefit evaluation data of each large-scale electric power infrastructure project, obtaining corresponding social benefit scores by combining a preset social benefit filing matrix, and finally obtaining economic benefit weight, safety benefit weight and social benefit weight of each large-scale electric power infrastructure project according to the economic benefit scores, the safety benefit scores and the social benefit scores of each large-scale electric power infrastructure project in the calculated historical time period, finally calculating the comprehensive benefit scores of each large-scale electric power infrastructure project in the preset time period, so that system evaluation of comprehensive benefits of the large-scale electric power infrastructure projects is realized, and comprehensive benefit evaluation systematicness of the large-scale electric power infrastructure projects is further realized.
It will be appreciated by those skilled in the art that embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (10)

1. The large-scale electric power capital construction project investment benefit assessment method is used for a server and is characterized by comprising the following steps of:
s1, collecting investment benefit evaluation data of each large-scale electric power foundation project in a historical time period, and determining the project type of the large-scale electric power foundation project according to different emphasis points of each large-scale electric power foundation project;
s2, acquiring constituent elements of investment benefit evaluation data of large-scale electric power foundation projects of various project types in a historical time period, and obtaining investment benefit evaluation parameters of investment benefit evaluation of the large-scale electric power foundation projects;
s3, obtaining the investment benefit evaluation weight corresponding to each investment benefit evaluation parameter according to the ratio of the corresponding data of each investment benefit evaluation parameter in the investment benefit evaluation data of the large-scale electric power capital construction project of each project type in the historical time period;
s4, acquiring project types of all large-scale electric power infrastructure projects in a preset time period and investment benefit evaluation data corresponding to all investment benefit evaluation parameters, calculating investment benefit evaluation scores of all the large-scale electric power infrastructure projects in the preset time period by combining the investment benefit evaluation weights corresponding to all the investment benefit evaluation parameters, and evaluating the investment benefit degree of the corresponding large-scale electric power infrastructure projects according to the calculated investment benefit evaluation scores.
2. The method for investment benefit evaluation of large-scale electric power infrastructure project according to claim 1, wherein the investment benefit evaluation parameters include efficiency evaluation parameters, comprehensive benefit evaluation parameters and efficiency evaluation parameters, and the method is as follows:
the efficiency evaluation parameters comprise unit investment increment power supply quantity, unit line length investment amount, capacity ratio, unit capacity investment amount and unit investment increment load;
the comprehensive benefit evaluation parameters comprise economic benefit evaluation parameters, safety benefit evaluation parameters and social benefit evaluation parameters;
the efficiency evaluation parameters comprise the completion degree of a production milestone plan, the completion degree of a new construction milestone plan, the accuracy degree of a planning project, the completion degree of a annual investment plan, the approval completion degree of the new construction project and the authenticity of statistical data of construction projects;
the project types of the large-scale electric power capital construction project comprise a safety lifting type, a development matching type and a demand driving type.
3. The method for investment benefit evaluation of large-scale electric power infrastructure projects according to claim 2, wherein the investment benefit evaluation data includes efficiency evaluation data, comprehensive benefit evaluation data and efficiency evaluation data, and is specifically as follows:
The efficiency evaluation data comprise unit investment power increment data, unit line length investment amount data, capacity ratio data, unit capacity investment amount data and unit investment power increment load data of the region where each large-scale electric power capital construction project is located;
the comprehensive benefit evaluation data comprise economic benefit evaluation data, safety benefit evaluation data and social benefit evaluation data of each large-scale electric power infrastructure project;
the efficiency evaluation data comprise the planned completion rate of the production milestone in the region where the large-scale electric power foundation projects are located, the planned completion rate of the new construction milestone, the planned project accuracy, the annual investment plan completion rate, the approval completion rate of the new construction projects and the actual rate of the construction project statistics data.
4. A large electric power capital construction project investment benefit assessment method according to claim 3, wherein said investment benefit assessment weights include efficiency assessment weights and efficiency assessment weights, and the specific calculation process is as follows:
acquiring efficiency evaluation data and efficiency evaluation data of a region where a large-scale electric power infrastructure project of each project type is located in a collected historical time period;
according to a variation coefficient method, obtaining average value and standard deviation of efficiency evaluation data and efficiency evaluation data of regions where large-scale power foundation projects of each project type are located through data forward and data standardization processing, obtaining efficiency evaluation data and efficiency evaluation data variation coefficient of the large-scale power foundation projects of each project type according to the ratio of corresponding data, and obtaining efficiency evaluation weight of regions where the large-scale power foundation projects of each project type are located through a formula And performance evaluation weightWhere p=1, 2,3, p=1 represents a safety-lifting type large electric power infrastructure item, p=2 represents a development-matched type large electric power infrastructure item, p=3 represents a demand-driven type large electric power infrastructure item, q=1, 2, Q represents the total number of regions where the large infrastructure items are different.
5. The method for profitability evaluation of a large-scale power infrastructure project of claim 4, wherein the comprehensive benefit evaluation data is used for calculating a corresponding comprehensive benefit evaluation score, and the specific calculation process of the comprehensive benefit evaluation score is as follows:
step one, calculating economic benefit scores of the corresponding large-scale electric power capital construction projects according to the economic benefit evaluation data corresponding to the economic benefit evaluation parameters of the large-scale electric power capital construction projects in the obtained historical time period;
calculating the safety benefit index of each large-scale electric power foundation project according to the acquired safety benefit evaluation data corresponding to the safety benefit evaluation parameters of each large-scale electric power foundation project in the historical time period, and obtaining the corresponding safety benefit score by combining the reference value in the preset safety benefit table;
calculating the social benefit index of each large-scale electric power foundation project according to the obtained social benefit evaluation data corresponding to the social benefit parameters of each large-scale electric power foundation project in the historical time period, and combining the corresponding social benefit scores of the preset archive values in the preset social benefit archive matrix;
Step four, according to the economic benefit score, the safety benefit score and the social benefit score of each large-scale electric power foundation project in the calculated historical time period, acquiring the economic benefit weight EW, the safety benefit weight RW and the social benefit weight SW of the large-scale electric power foundation project by combining a CRITIC method;
step five, calculating economic benefit score EBS of the ith large-scale electric power infrastructure project in a preset time period i Score RBS for safety benefit i And social benefit fraction SBS i Combining the obtained economic benefit weight, the obtained safety benefit weight and the obtained social benefit weight, and obtaining the comprehensive benefit score W of the ith large-scale electric power infrastructure project in a preset time period through a comprehensive benefit score formula i The comprehensive benefit score formula is as follows
Where e is a natural constant, i=1, 2,..i, I is the total number of large electric power capital construction projects within a preset time period, α is a correction factor for the economic benefit score of each large electric power capital construction project, β is a correction factor for the safety benefit score of each large electric power capital construction project, χ is a correction factor for the social benefit score of each large electric power capital construction project.
6. The method for evaluating the investment benefits of a large-scale electric power capital construction project according to claim 5, wherein the specific calculation process of the economic benefit score is as follows:
Acquiring construction period data C of the ith large-scale electric power foundation project in a preset time period i Total cost data PC i Advanced data ADC of engineering unit investment cost i And power supply data IPS for unit investment increment i The economic benefit score EBS of the ith large-scale electric power infrastructure project is calculated through an economic benefit score formula by combining preset construction period data delta C, preset cost data delta PC, preset engineering unit investment cost advanced degree data delta ADC and preset unit investment power increment data delta IPS i The economic benefit score formula is as follows
Wherein delta is a correction factor of construction period data of the large-scale electric power foundation project, and epsilon is total cost data of the large-scale electric power foundation projectPhi is the correction factor of the engineering unit investment cost advanced degree data of the large-scale electric power foundation project,and adding a correction factor of the power supply data for unit investment of a large-scale electric power capital construction project.
7. The method for evaluating the investment benefits of a large-scale electric power capital construction project according to claim 6, wherein the specific calculation process of the safety benefit score is as follows:
acquiring a preset construction target of an ith large-scale electric power foundation project in a preset time period and a corresponding target construction safety index PQ i Calculating the safety benefit index QI of the ith large-scale electric power capital construction project through a safety benefit index formula by combining the reference target construction safety index delta PQ i The safety benefit index formula isWherein gamma is a correction factor of a target construction safety index of a large-scale electric power capital construction project;
acquiring a preset safety benefit index and a preset safety benefit score corresponding to each preset safety benefit type in a preset safety benefit type table, and comparing the calculated safety benefit index with the preset safety benefit index corresponding to each preset safety benefit type:
when the calculated safety benefit index of the ith large-scale electric power infrastructure project meets QI i ≥μ 1 When the corresponding security benefit score is RBS i ＝η 1 ；
When the calculated safety benefit index of the ith large-scale electric power infrastructure project meets mu 1 ＞QI i ≥μ 2 When the corresponding security benefit score is RBS i ＝η 2 ；
When the calculated safety benefit index of the ith large-scale electric power infrastructure project meets mu 2 ＞QI i ≥μ 3 When the corresponding security benefit score is RBS i ＝η 3 ；
When the calculated safety benefit index of the ith large-scale electric power infrastructure project meets mu 3 ＞QI i When the corresponding security benefit score is RBS i ＝η 4 ；
The preset safety benefit index mu 1 ＞μ 2 ＞μ 3 ＞μ 4 The preset safety benefit fractions are integers, and eta 1 ＞η 2 ＞η 3 ＞η 4 ＞0。
8. The method for evaluating the investment benefits of a large-scale electric power capital construction project according to claim 7, wherein the specific calculation process of the social benefit score is as follows:
Obtaining the commercial environmental benefit improvement weight W of the large electric power construction project according to the objective weighting method through the obtained commercial environmental benefit improvement score, the civil benefit improvement score, the green development benefit improvement score and the cooperative benefit improvement score of each large electric power construction project in the historical time period B Weight W for improving civil benefit L Green development benefit improvement weight W G And synergistic cooperation benefit improvement weight W S ；
Acquiring a commercial environmental benefit improvement score SF of an ith large-scale electric power infrastructure project in a preset time period i 1 Fractional SF for improving civil benefit i 2 Green development benefit improvement score SF i 3 And synergistic benefit improvement score SF i 4 Calculating the social benefit score SBS of the ith large-scale electric power infrastructure project through a social benefit score formula i The social benefit score formula is as followsWherein W is B +W L +W G +W S ＝1。
9. The method for evaluating the investment benefits of a large-scale electric power infrastructure project according to claim 8, wherein the concrete calculation process of the commercial environmental benefit improvement score, the civil benefit improvement score, the green development benefit improvement score and the collaborative benefit improvement score is as follows:
acquiring improvement data of the j-th aspect of the i-th large electric power infrastructure project within a collected preset time period Presetting improved data delta S in combination with corresponding j-th aspect j Calculating an improvement index +_j of a j-th aspect of the i-th large-scale electric power infrastructure project by a benefit improvement index formula>The benefit improvement index formula is +.>Wherein lambda is j For the correction factor of the improvement index of the j-th aspect of the large power infrastructure project in the collected historical time period, j=1, 2,3,4, j=1 represents the commercial environmental benefit, j=2 represents the civil benefit, j=3 represents the green development benefit, and j=4 represents the collaborative cooperation benefit;
acquiring preset improvement indexes and preset filing values corresponding to all preset social benefit types from a preset social benefit filing matrix, and comparing the calculated improvement indexes in all aspects with the preset improvement indexes corresponding to all the preset social benefit types:
improvement index satisfies when the j-th aspect of the calculated i-th large electric power infrastructure projectWhen the corresponding j-th aspect improvement score is SF i j ＝ξ 1 ；
Improvement index satisfies when the j-th aspect of the calculated i-th large electric power infrastructure projectWhen the corresponding j-th aspect improves the score to SF i j ＝ξ 2 ；
The preset improvement indexThe preset filing values are integers and xi 2 ＞ξ 1 K=1, 2,..k, where K is the total number of preset social benefit types in the preset social benefit archive matrix.
10. The method for evaluating the investment benefits of a large-scale electric power capital construction project according to claim 9, wherein the specific calculation process of the investment benefits evaluation score is as follows:
obtaining the comprehensive benefit score W of the ith large-scale electric power infrastructure project in a preset time period i And evaluate the weight according to the item types i-p, the regions i-q and the efficiency of the corresponding regionsAnd performance evaluation weightCalculating an investment benefit evaluation score IBS of the ith large-scale electric power infrastructure project by an investment benefit evaluation score formula i The formula of the investment benefit evaluation score is +.>
Wherein the method comprises the steps ofThe safety factor of the comprehensive benefit score of a large-scale electric power capital construction project, i→p=i→1, i→2, i→ 3,i →q=i→1, i→2.
CN202311737665.6A 2023-12-18 2023-12-18 Investment benefit assessment method for large-scale electric power capital construction project Pending CN117610968A (en)

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