CN109544006A - A method of evaluation electric automobile charging station economic benefit - Google Patents
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Abstract
The invention discloses a kind of methods for evaluating electric automobile charging station economic benefit, are related to power domain.Currently, carrying out electric car evaluation of economic benefit, it is extremely important.The invention includes the following steps: building electric automobile charging station evaluation index of the economic results system；Nondimensionalization processing is carried out to each index parameter in the electric automobile charging station evaluation index of the economic results system of building, and determines each index weights in assessment indicator system；Determine positive ideal solution and minus ideal result；Calculate distance of each evaluation object apart from positive ideal solution and minus ideal result；Each evaluation object is calculated apart from positive ideal solution degree of closeness；Using degree of closeness as comprehensive evaluation value, progress is integrated ordered, obtains ground section electric automobile charging station economic benefit ranking from high to low.The technical program can be widely applied to the economic benefit of scientific evaluation electric automobile charging station project generation, using the evaluation result, supports fund distribution, provides reference for project decision and implementation.
Description
Technical field
The present invention relates to power domain more particularly to a kind of methods for evaluating electric automobile charging station economic benefit.
Background technique
Under global warming, the increasingly depleted background of petroleum resources, developing into for electric car improves energy benefit
With efficiency, a kind of optional approach of promotion Renewable Energy Development and energy-saving and emission-reduction.It is corresponding to it, for the charging of electric car
Facilities Construction is come into being.Power grid enterprises participate in electric automobile charging station construction, as nationwide scale state owned enterprise with full
Foot and to lead social demand be target, realizes that a variety of electric car electric energy supply modes organically combine, formation has networking, intelligence
The service network of the wide area covering of energyization, standardized feature.The construction of electric automobile charging station passes through the society of Project Area
The various aspects such as Ji, social environment and natural environment can generate certain influence, especially in terms of socioeconomic impact, such as drive
The development of upstream and downstream related industry, promotes growth of the national economic, and huge shadow can be generated by offering convenience etc. to people's lives
It rings.Wherein, economic benefit is the primary income of electric automobile charging station always.For this purpose, carry out electric car evaluation of economic benefit,
Perfect assessment indicator system is established, reasonable assessment model and method is formulated, is extremely important.
Summary of the invention
The technical problem to be solved in the present invention and the technical assignment of proposition are to be improved and improved to prior art,
A kind of method for evaluating electric automobile charging station economic benefit is provided, for the purpose of formulating reasonable assessment model and method.For
This, the present invention takes following technical scheme.
A method of evaluation electric automobile charging station economic benefit, comprising the following steps:
1) electric automobile charging station evaluation index of the economic results system is constructed；
The index of building includes: the charging station location density of population, charging station location total output value, charging per capita
It stands location electric car quantity, the charging station quantity of charging station location corresponding types, charging station location per capita
Policy Encouraging, location charging station sum, charging station location electric vehicle ownership, charging station location the type electricity
Motor-car accounting, charging station location accumulative investment benefit ratio, charging station location add up one or more of charge volume；
2) dimensionless is carried out to each index parameter in the electric automobile charging station evaluation index of the economic results system of building
Change processing, and determine each index weights in assessment indicator system；
3) positive ideal solution and minus ideal result are determined；Using maximum value in each same class index for being evaluated object as correct principle
Want to solve, minimum value is as minus ideal result；
4) using different regions electric automobile charging station economic benefit as evaluation object, each evaluation object is calculated apart from correct principle
Think the distance of solution and minus ideal result；
5) each evaluation object is calculated apart from positive ideal solution degree of closeness；
6) using degree of closeness as comprehensive evaluation value, progress is integrated ordered, and the ground section electric car obtained from high to low fills
Power station economic benefit ranking.
The technical program has been effectively constructed electric automobile charging station evaluation index of the economic results system, and gives correspondence
The method for quantitatively evaluating of index, to carry out electric car evaluation of economic benefit, to support different regions electric automobile charging station
The administrative decisions such as performance appraisal, fund distribution, so that efficiency of investment is more excellent, more reasonable.
As optimization technique means: in step 1), the index of the index building of building are as follows: x1- charging station location
The density of population；The total output value per capita of x2- charging station location；X3- charging station location electric car quantity per capita；x4-
The charging station quantity of charging station location corresponding types；X5- charging station location Policy Encouraging；The charging of the location x6-
It stands sum；X7- charging station location electric vehicle ownership；X8- charging station location the type electric vehicle accounting；X9- fills
Power station location accumulative investment benefit ratio；X10- charging station location adds up charge volume.
As optimization technique means: in step 2), nondimensionalization processing method uses range method, its calculation formula is:
xminFor all minimum values for being evaluated a certain index x in object, xmaxA certain index x in object is evaluated to be all
Maximum value, zijFor i-th of evaluation object, j-th of indices non-dimension treated result.
As optimization technique means: in step 2), determine that the summation of each index weights in assessment indicator system is 1,
The weight for obtaining each index is calculated according to historical data, or assignment is carried out to the weight of each index based on experience value；
xij=wj.zij
wjFor the weight of j-th of index；
zijFor i-th of evaluation object, j-th of indices non-dimension treated value；
xijFor i-th of evaluation object, j-th of Index Weights treated value.
As optimization technique means: carrying out assignment to the weight of each index based on experience value, form the first weighted value, warp
Test the tax weight that value carries out assignment to the weight of each index are as follows:
The weight for obtaining each index is calculated according to historical data, and assignment is carried out to the weight of each index, forms second
Weighted value, to be modified to according to the calculated result of the first weighted value.To improve the accuracy of analysis.
As optimization technique means: in step 4), each evaluation object index is apart from positive ideal solution and minus ideal result
Distance calculation formula are as follows:
In formula:Be positive ideal solution,It is minimum value as minus ideal result；I=1,2 ... L, m；Q is distance metric ginseng
Number, value 3.
As optimization technique means: in step 5), each evaluation object is apart from positive ideal solution degree of closeness CiCalculating
Formula are as follows:
In formula: i=1,2 ... L, m.
As optimization technique means: the type of charging station quantity is divided into high speed electric vehicle charging station and city electric car
Charging station.
The utility model has the advantages that
1, electric automobile charging station evaluation index of the economic results system, Neng Goucong are established to the technical program system perfecting
The charging station location density of population, charging station location total output value, charging station location electric car per capita per capita
Quantity, the charging station quantity of charging station location corresponding types, charging station location Policy Encouraging, location charging station
Sum, charging station location electric vehicle ownership, charging station location the type electric vehicle accounting, charging station location
Accumulative investment benefit ratio, charging station location add up the comprehensive evaluation electric automobile charging station economy effect of charge volume etc.
Benefit.
2, the technical program gives electric car charging according to electric automobile charging station evaluation index of the economic results system
It stands Analysis of Economy Benefit Evaluation Methods, so that the evaluation of economic benefit generated to the electric automobile charging station of each department is more accurate.This
Technical solution can be widely applied to the economic benefit of scientific evaluation electric automobile charging station, guidance instruction be proposed, after being
Project decision and implement provide reference guide.
3, the technical program is using range method in the electric automobile charging station evaluation index of the economic results system of building
Each index parameter carries out nondimensionalization processing, and robustness is preferable, and the bore of energy uniform data sample makes the physical and mathematical modeling of problem
Rationalize.
4, the technical program determines the correct principle of indices according to electric automobile charging station evaluation index of the economic results system
Think solution and minus ideal result.Positive ideal solution is the best values imagined, its each attribute is at least up to optimal in each evaluation object
Value, correspondingly minus ideal result is the most bad value imagined, its each attribute is at least not better than the most bad value in each evaluation object, so
The Weighted distance between each evaluation object and positive ideal solution, minus ideal result is found out afterwards, it follows that each evaluation object and positive ideal
The degree of closeness of solution, the standard as evaluation object economic benefit superiority and inferiority.This method is to being evaluated the sample data of object without spy
Different to require, theoretical clear, calculating is easy, can make full use of existing data information, be ranked up to the superiority and inferiority of evaluation object,
As a result it more coincide with actual conditions.
Detailed description of the invention
Fig. 1 is flow chart of the invention.
Specific embodiment
Technical solution of the present invention is described in further detail below in conjunction with Figure of description.
As shown in Figure 1, the present invention includes with step:
S1 electric automobile charging station evaluation index of the economic results system) is constructed；
The index of building: the charging station location density of population, charging station location total output value, charging station institute per capita
In regional electric car quantity, the charging station quantity of charging station location corresponding types, charging station location policy per capita
Excitation, location charging station sum, charging station location electric vehicle ownership, charging station location the type electric vehicle
Accounting, charging station location accumulative investment benefit ratio, charging station location add up charge volume；
S2 dimensionless) is carried out to each index parameter in the electric automobile charging station evaluation index of the economic results system of building
Change processing, and determine each index weights in assessment indicator system；
S3 positive ideal solution and minus ideal result) are determined；Using maximum value in each same class index for being evaluated object as just
Ideal solution, minimum value is as minus ideal result；
S4) using different regions electric automobile charging station economic benefit as evaluation object, each evaluation object distance is being calculated just
The distance of ideal solution and minus ideal result；
S5 each evaluation object) is calculated apart from positive ideal solution degree of closeness；
S6) using degree of closeness as comprehensive evaluation value, progress is integrated ordered, and the ground section electric car obtained from high to low fills
Power station economic benefit ranking.
The present invention is described in detail with reference to embodiments.
The present invention provides a kind of method for evaluating electric automobile charging station economic benefit, comprising the following steps:
101, electric automobile charging station evaluation index of the economic results system is constructed；
Building index relevant to charging station operation economic benefit, comprising: the x1 charging station location density of population, it is single
Position: people/square kilometre；The total output value per capita of x2 charging station location, unit: member；Electric car per capita where x3 charging station
Quantity；The charging station quantity of x4 charging station location corresponding types；X5 charging station location Policy Encouraging (there is unlimited board,
Limited board is set as 5, and unlimited board is set as 0, whether there is or not electric vehicle subsidies, has electric vehicle subsidy to be set as 5,0) no electric vehicle subsidy is set as；
The location x6 charging station sum；X7 charging station location electric vehicle ownership；X8- charging station location the type is electronic
Vehicle accounting；X9- charging station location accumulative investment benefit ratio；X10 charging station location adds up charge volume, unit: kwh.
xiFor i-th of index, totally 10 indexs
Each index has different values for different objects, and the electric car charging in each area is saved with certain
For standing, it is divided into high speed electric vehicle charging station and city electric car charging station two types, specific data see the table below.
The each department table 1A electric automobile charging station evaluation index of the economic results data
The each department table 1B electric automobile charging station evaluation index of the economic results data
201, each index parameter in the electric automobile charging station evaluation index of the economic results system of building is carried out immeasurable
Guiding principleization processing, and determine each index weights in assessment indicator system；
Nondimensionalization is carried out to each index parameter in the electric automobile charging station evaluation index of the economic results system of building
Processing, processing method use range method, its calculation formula is:
xminFor all minimum values for being evaluated a certain index x in object, xmaxA certain index x in object is evaluated to be all
Maximum value, zijFor i-th of evaluation object, j-th of indices non-dimension treated as a result, (i=1,2 ... 11, j=
1,2...10), that is, there are 11 evaluation objects, each evaluation object there are 10 indexs.
The each department table 2A electric automobile charging station evaluation index of the economic results dimensionless data
The each department table 2B electric automobile charging station evaluation index of the economic results dimensionless data
| Area | X1 | X2 | X3 | X4 | X5 | X6 | X7 | X8 | X9 | X10 |
| A | 0.45498 | 1.00000 | 0.05366 | 0.52381 | 1.00000 | 1.00000 | 1.00000 | 1.00000 | 0.09600 | 1.00000 |
| B | 0.39790 | 0.36801 | 0.32043 | 0.90476 | 0.00000 | 0.03462 | 0.12483 | 0.53070 | 0.57855 | 0.00000 |
| C | 1.00000 | 0.50551 | 0.13611 | 0.90476 | 0.00000 | 0.06923 | 0.00902 | 0.61437 | 0.69078 | 0.00624 |
| D | 0.39147 | 0.20202 | 0.12576 | 0.61905 | 0.00000 | 0.03462 | 0.34133 | 0.63479 | 0.46128 | 0.01504 |
| E | 0.00000 | 0.07319 | 0.46048 | 0.52381 | 0.00000 | 0.17692 | 0.00000 | 0.47218 | 0.05981 | 0.19450 |
| F | 0.70597 | 0.87844 | 0.03321 | 0.80952 | 0.00000 | 0.03077 | 0.24435 | 0.65091 | 0.44429 | 0.00447 |
| G | 0.16878 | 0.00000 | 0.36924 | 1.00000 | 0.00000 | 0.10385 | 0.00604 | 0.00000 | 0.11996 | 0.11595 |
| H | 0.49047 | 0.61201 | 0.12928 | 0.42857 | 0.00000 | 0.03077 | 0.11952 | 0.84916 | 0.99999 | 0.00471 |
| I | 0.53565 | 0.23060 | 0.07263 | 0.42857 | 0.00000 | 0.03077 | 0.06221 | 0.77032 | 0.39707 | 0.01467 |
| J | 0.65324 | 0.07063 | 0.00000 | 0.28571 | 0.00000 | 0.00000 | 0.11400 | 0.79324 | 0.21261 | 0.01928 |
| K | 0.70147 | 0.64252 | 1.00000 | 0.00000 | 0.00000 | 0.30000 | 0.00877 | 0.22047 | 0.00001 | 0.02722 |
Determine each index weights in assessment indicator system, weight summation is 1, using method of expertise, carries out assignment, shape
At the first weighted value, weight such as table 1 is assigned.
3 electric automobile charging station evaluation index of the economic results system weight of table
In order to improve the accuracy of calculating, the weight for obtaining each index is calculated according to historical data, to each index
Weight carries out assignment, the second weighted value is formed, to be modified to according to the calculated result of the first weighted value.
xij=wj.zij
wjFor the weight of j-th of index；
zijFor i-th of evaluation object, j-th of indices non-dimension treated value；
xijFor i-th of evaluation object, j-th of Index Weights treated value.
301, positive ideal solution and minus ideal result are determined；
Using the maximum value for being evaluated object of each index as positive ideal solution, minimum value is as minus ideal result, this implementation
It is 11 that object number is evaluated in example, i.e. j-th of index value of i evaluation object is xij
Here, m=11
The positive and negative ideal value of table 4A index
The positive and negative ideal value of table 4B index
| Area | Positive ideal value | Negative ideal value |
| A | 1 | 0.053662 |
| B | 0.904762 | 0 |
| C | 1.000004 | 0 |
| D | 0.634788 | 0 |
| E | 0.52381 | 0 |
| F | 0.87844 | 0 |
| G | 1 | 0 |
| H | 0.999994 | 0 |
| I | 0.770315 | 0 |
| J | 0.793235 | 0 |
| K | 1 | 0 |
401, distance of each evaluation object apart from positive ideal solution and minus ideal result is calculated；
Calculate distance of each evaluation object index apart from positive ideal solution and minus ideal result, calculation method are as follows:
(i=1,2 ... L, m)
Here, q is distance metric parameter, value 3
Table 5A index weighted normal value
Table 5B index weighted normal value
Table 6A index weighted normal value
Table 6B index weighted normal value
501, each evaluation object is calculated apart from positive ideal solution degree of closeness Ci；
The close distance C of each evaluation object of table 7
601, it using degree of closeness C as comprehensive evaluation value, carries out integrated ordered.
The each Regional City table 8A and high speed electric vehicle charging station economic benefit are integrated ordered
Each regional electric automobile charging station (each Regional City and rapid charge station the are accumulative) economic benefit of table 8B is comprehensive
Sequence
By table 48B, the economic benefit for each department charging and conversion electric facility operation for considering that multiple correlated inputs factors influence is obtained
Sequence.
According to the above results, effective evaluation can be carried out to the height of each department electric automobile charging station economic benefit, it can be with
To each department electric automobile charging station from Authorize to Invest until production and operation overall process carries out the analysis and summary of system, after being
The Authorize to Invest of each department electric automobile charging station project and implementation provide reference guide.
Shown in figure 1 above it is a kind of evaluate electric automobile charging station economic benefit method be specific implementation of the invention
Example, has embodied substantive distinguishing features of the present invention and progress, can be under the inspiration of the present invention, right according to actual using needs
It carries out equivalent modifications, the column in the protection scope of this programme.
Claims (8)
1. a kind of method for evaluating electric automobile charging station economic benefit, it is characterised in that the following steps are included:
1) electric automobile charging station evaluation index of the economic results system is constructed；
The index of building includes: the charging station location density of population, charging station location total output value, charging station institute per capita
In regional electric car quantity, the charging station quantity of charging station location corresponding types, charging station location policy per capita
Excitation, location charging station sum, charging station location electric vehicle ownership, charging station location the type electric vehicle
Accounting, charging station location accumulative investment benefit ratio, charging station location add up one or more of charge volume；
2) each index parameter in the electric automobile charging station evaluation index of the economic results system of building is carried out at nondimensionalization
Reason, and determine each index weights in assessment indicator system；
3) positive ideal solution and minus ideal result are determined；Using maximum value in each same class index for being evaluated object as positive ideal
Solution, minimum value is as minus ideal result；
4) using different regions electric automobile charging station economic benefit as evaluation object, each evaluation object is calculated apart from positive ideal solution
With the distance of minus ideal result；
5) each evaluation object is calculated apart from positive ideal solution degree of closeness；
6) using degree of closeness as comprehensive evaluation value, progress is integrated ordered, obtains ground section electric automobile charging station from high to low
Economic benefit ranking.
2. a kind of method for evaluating electric automobile charging station economic benefit according to claim 1, it is characterised in that: in step
It is rapid 1) in, the index of building are as follows: the x1- charging station location density of population；The total output value per capita of x2- charging station location；
X3- charging station location electric car quantity per capita；The charging station quantity of x4- charging station location corresponding types；X5- fills
Power station location Policy Encouraging；The location x6- charging station sum；X7- charging station location electric vehicle ownership；x8-
Charging station location the type electric vehicle accounting；X9- charging station location accumulative investment benefit ratio；Where x10- charging station
The accumulative charge volume in area.
3. a kind of method for evaluating electric automobile charging station economic benefit according to claim 2, it is characterised in that: in step
It is rapid 2) in, nondimensionalization processing method use range method, its calculation formula is:
xminFor all minimum values for being evaluated a certain index x in object, xmaxA certain index x is evaluated in object most to be all
Big value, zijFor i-th of evaluation object, j-th of indices non-dimension treated result.
4. a kind of method for evaluating electric automobile charging station economic benefit according to claim 3, it is characterised in that: in step
It is rapid 2) in, determine that the summation of each index weights in assessment indicator system is 1, calculated according to historical data and obtain each index
Weight, or assignment is carried out to the weight of each index based on experience value；
xij=wj.zij
wjFor the weight of j-th of index；
zijFor i-th of evaluation object, j-th of indices non-dimension treated value；
xijFor i-th of evaluation object, j-th of Index Weights treated value.
5. a kind of method for evaluating electric automobile charging station economic benefit according to claim 4, it is characterised in that: according to
Empirical value carries out assignment to the weight of each index, forms the first weighted value, and empirical value carries out assignment to the weight of each index
Tax weight are as follows:
The weight for obtaining each index is calculated according to historical data, and assignment is carried out to the weight of each index, forms the second weight
Value, to be modified to according to the calculated result of the first weighted value.
6. a kind of method for evaluating electric automobile charging station economic benefit according to claim 5, it is characterised in that: in step
It is rapid 4) in, distance calculation formula of each evaluation object index apart from positive ideal solution and minus ideal result are as follows:
In formula:Be positive ideal solution,It is minimum value as minus ideal result；I=1,2 ... L, m；Q is distance metric parameter, is taken
Value is 3.
7. a kind of method for evaluating electric automobile charging station economic benefit according to claim 6, it is characterised in that: in step
It is rapid 5) in, each evaluation object is apart from positive ideal solution degree of closeness CiCalculation formula are as follows:
In formula: i=1,2 ... L, m.
8. a kind of method for evaluating electric automobile charging station economic benefit according to claim 7, it is characterised in that: charging
The type for quantity of standing is divided into high speed electric vehicle charging station and city electric car charging station.
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| CN110222945B (en) * | 2019-05-14 | 2023-08-22 | 国网浙江电动汽车服务有限公司 | Green emission reduction index estimation method for electric vehicle |
| CN110334903A (en) * | 2019-05-29 | 2019-10-15 | 河北科技大学 | Electric car charging schedule method based on knapsack algorithm |
| CN110334903B (en) * | 2019-05-29 | 2023-04-25 | 河北科技大学 | Electric automobile charging scheduling method based on knapsack algorithm |
| CN110675083A (en) * | 2019-10-08 | 2020-01-10 | 国家计算机网络与信息安全管理中心 | Comprehensive recommendation method and device in scientific and technological field |
| CN112132393A (en) * | 2019-11-25 | 2020-12-25 | 深圳供电局有限公司 | Charging station quantization system |
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