CN109711750A - A kind of power grid investment benefit Whole Process Simulation method and system - Google Patents
A kind of power grid investment benefit Whole Process Simulation method and system Download PDFInfo
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Abstract
The present invention provides a kind of power grids to put into benefit Whole Process Simulation method and system, wherein method includes: dynamoelectric benefit, power transmission and distribution profit, cost investment fund calculating net profit under being changed according to new electricity；Capital fund, loan fund are had by oneself according to power grid, is included in central budget for investment fund calculating electric grid investment ability, wherein own capital fund is calculated by net profit and Investment Allocation ratio；Electric grid investment scale is determined according to the investment plan of electric network synthetic planning management project and electric grid investment ability, cost investment fund and assets capital fund is calculated by electric grid investment scale, assets capital fund is for improving power transmission and distribution profit；Social responsibility completeness is calculated according to power supply reliability and integrated voltage qualification rate；Electric network synthetic benefit is calculated according to net profit and social responsibility completeness.The present invention can adapt to new electric reshaping formula, accurately realize the simulation of power grid investment benefit overall process.
Description
Technical field
The invention belongs to electric grid investment decision-making fields more particularly to a kind of power grid for investment decision to put into the full mistake of benefit
Journey analogy method and system.
Background technique
As power grid income is changed into " permitting cost+reasonable benefit " by the price difference between purchase and sale, power grid operation mode occurs huge
Change.It therefore, necessarily include but is not limited to investment risk, scale of investment, user to the Operational requirements of electric network synthetic planning item
Load, electricity price, electricity and stock assets etc..Existing power grid investment benefit type considers power selling income more, fails definite
Consider that the power transmission and distribution after new electricity changes are taken in.And with the relieving of sale of electricity side and increment power distribution network, power grid puts into benefit by numerous
The influence of factor.Therefore, how under new situations and various factors it is economical, accurate, objectively determine major influence factors,
It is a major issue urgently to be resolved to carry out Investment Allocation.
Summary of the invention
The present invention is used to solve to there are no in the prior art the power grid investment benefit overall process mould adapted under new electric reshaping gesture
Quasi- method, so can not it is economical, accurate, objectively carry out Investment Allocation.
In order to solve the above-mentioned technical problem, the first aspect of the present invention provides a kind of power grid investment benefit Whole Process Simulation side
Method, comprising:
Dynamoelectric benefit, power transmission and distribution profit, cost investment fund under being changed according to new electricity calculate net profit；
Capital fund, loan fund are had by oneself according to power grid, are included in central budget for investment fund calculating electric grid investment ability,
Wherein, capital fund is had by oneself to be calculated by net profit and Investment Allocation ratio；
Electric grid investment scale is determined according to the investment plan of electric network synthetic planning management project and electric grid investment ability, by electricity
Cost investment fund and assets capital fund is calculated in net scale of investment, and assets capital fund is for improving power transmission and distribution
Profit；
Social responsibility completeness is calculated according to power supply reliability and integrated voltage qualification rate；
Electric network synthetic benefit is calculated according to net profit and social responsibility completeness.
The second aspect of the present invention provides a kind of power grid investment benefit overall process simulation system, comprising:
Net profit module calculates net for the dynamoelectric benefit under being changed according to new electricity, power transmission and distribution profit, cost investment fund
Profit；
Investment capacity module, for having capital fund, loan fund by oneself according to power grid, being included in central budget for investment fund
Calculate electric grid investment ability, wherein own capital fund is calculated by net profit and Investment Allocation ratio；
Scale of investment module, for being determined according to the investment plan and electric grid investment ability of electric network synthetic planning management project
Cost investment fund and assets capital fund, assets investment is calculated by electric grid investment scale in electric grid investment scale
Fund is for improving power transmission and distribution profit；
Social responsibility module, for calculating social responsibility completeness according to power supply reliability and integrated voltage qualification rate；
Comprehensive benefit module, for calculating electric network synthetic benefit according to net profit and social responsibility completeness.
The third aspect of the present invention provides a kind of computer equipment, including memory, processor and storage are on a memory
And the computer program that can be run on a processor, the processor realize previous embodiment institute when executing the computer program
State power grid investment benefit Whole Process Simulation method.
The fourth aspect of the present invention provides a kind of computer readable storage medium, and computer-readable recording medium storage is held
Row computer program realizes that power grid described in previous embodiment puts into benefit overall process when the computer program is executed by processor
Analogy method.
The present invention based on electric network synthetic planning management classification of the items, comprehensively consider the net profit of power grid, the investment capacity,
Scale of investment, social responsibility and comprehensive benefit, realize the simulation of power grid investment benefit overall process, and power grid puts into the full mistake of benefit
The analysis that the analog result of journey can change the major influence factors of lower power grid investment benefit for new electricity provides theoretical foundation, and then refers to
Conductive mesh company reasonable arrangement capital fund, optimizes allocation of resources, and better adapts to new electricity and changes, and improves electric network synthetic benefit.
For above and other objects, features and advantages of the invention can be clearer and more comprehensible, preferred embodiment is cited below particularly,
And cooperate institute's accompanying drawings, it is described in detail below.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill of field, without creative efforts, it can also be obtained according to these attached drawings others
Attached drawing.
Fig. 1 shows the flow chart of the power grid investment benefit Whole Process Simulation method of the embodiment of the present invention；
Fig. 2 shows the system dynamics stack figures of the profit of guaranteeing the minimum of the embodiment of the present invention；
Fig. 3 shows the system dynamics stack figure of the competition dynamoelectric benefit of the embodiment of the present invention；
Fig. 4 shows the system dynamics stack flow graph for the T-D tariff of the embodiment of the present invention appraised and decided；
Fig. 5 shows the system dynamics stack flow graph of the electric grid investment ability of the embodiment of the present invention；
Fig. 6 shows the system dynamics stack flow graph of the electric grid investment scale of the embodiment of the present invention；
Fig. 7 shows the net profit of the embodiment of the present invention, electric grid investment ability, electric grid investment scale, social responsibility and completes
The system dynamics flow graph of degree and electric network synthetic benefit；
Fig. 8 shows the composition figure of the power grid investment benefit overall process simulation system of the embodiment of the present invention.
Specific embodiment
In order to keep technical characterstic and effect of the invention more obvious, technical solution of the present invention is done with reference to the accompanying drawing
It further illustrates, the specific example that the present invention can also have other different is illustrated or implements, anyone skilled in the art
The equivalents done within the scope of the claims belong to protection category of the invention.
In the description of this specification, reference term " one embodiment ", " specific embodiment ", " some implementations
Example ", " such as ", the description of " example ", " specific example " or " some examples " etc. mean it is described in conjunction with this embodiment or example
Particular features, structures, materials, or characteristics are included at least one embodiment or example of the invention.In the present specification,
Schematic expression of the above terms may not refer to the same embodiment or example.Moreover, the specific features of description, knot
Structure, material or feature can be combined in any suitable manner in any one or more of the embodiments or examples.Each embodiment
Involved in the step of sequence be used to schematically illustrate implementation of the invention, sequence of steps therein is not construed as limiting, can be as needed
It appropriately adjusts.
As shown in Figure 1, Fig. 1 shows the flow chart of power grid of embodiment of the present invention investment benefit Whole Process Simulation method.This
Embodiment comprehensively considers net profit, the investment capacity, investment rule of power grid based on electric network synthetic planning management classification of the items
Mould, social responsibility and comprehensive benefit, realize the simulation of power grid investment benefit overall process, and power grid puts into the mould of benefit overall process
The analysis that quasi- result can change the major influence factors of lower power grid investment benefit for new electricity provides theoretical foundation, and then instructs power grid
Company's reasonable arrangement capital fund, optimizes allocation of resources, and better adapts to new electricity and changes, and improves electric network synthetic benefit.
Specifically, power grid investment benefit Whole Process Simulation method includes:
Step S100, dynamoelectric benefit, power transmission and distribution profit, cost investment fund under being changed according to new electricity calculate net profit；
Step S200 has capital fund, loan fund by oneself according to power grid, is included in central budget for investment fund calculating power grid
The investment capacity, wherein own capital fund is calculated by net profit and Investment Allocation ratio；
Step S300 determines electric grid investment according to the investment plan of electric network synthetic planning management project and electric grid investment ability
Cost investment fund and assets capital fund is calculated by electric grid investment scale in scale, and assets capital fund is used for
Improve power transmission and distribution profit；
Step S400 calculates social responsibility completeness according to power supply reliability and integrated voltage qualification rate；
Step S500 calculates electric network synthetic benefit according to net profit and social responsibility completeness.
In some embodiments of the invention, above-mentioned steps S100 is according to dynamoelectric benefit, power transmission and distribution profit, cost investment fund
Net profit is calculated, calculates net profit including the use of following formula:
Ltot=Ls+Lt-Cc； (1)
Wherein, LtotFor net profit, LsFor dynamoelectric benefit, LtFor power transmission and distribution profit, CcFor cost investment fund.
In view of new electricity changes requirement, dynamoelectric benefit can be divided into guarantee the minimum profit and competition dynamoelectric benefit, wherein profit of guaranteeing the minimum
Dynamoelectric benefit including resident and the primary industry, competition dynamoelectric benefit include the dynamoelectric benefit of second, third industry.
Profit of guaranteeing the minimum includes three parts in a broad sense: first part is the too small user of electricity consumption, needs favourable price,
Such as residential electricity consumption carries out the service of guaranteeing the minimum by commission power supply company, government；Although second part is to participate in market competition but need
The user to be looked after, such as primary industry carry out the service of guaranteeing the minimum by power supply company；It, be into after Part III is sale of electricity Company Bankruptcy
The transfer of row responsibility carries out the service of revealing all the details by power supply company in the case where turning not going out.The profit of each section is by unit sale of electricity benefit
Profit is calculated with electricity sales amount.Relationship available system dynamics stack figure expression between each parameter of profit of guaranteeing the minimum, as shown in Figure 2.
Competition dynamoelectric benefit is multiplied to obtain by sale of electricity valence with electricity sales amount.Wherein, sale of electricity valence is by negotiation power purchase valence and different electricity
The T-D tariff of grade is pressed to constitute, electricity sales amount need to consider the influence factor of the competition of sale of electricity side, distributed power generation, large user's direct-furnish.
Specifically, competition dynamoelectric benefit refers to the dynamoelectric benefit of second, third industry, competes the pass between each parameter of dynamoelectric benefit
System can be by system dynamics stack flow graph representation, as shown in Figure 3.
Based on above-mentioned three sections of piecewise analysis, dynamoelectric benefit LsIt is calculated using following formula:
Ls=Ls1+Ls2； (2)
Ls1=Ls11+Ls12+Ls13； (3)
Ls2=∑ Ps,i,j×Qs,i,j； (4)
Ls11=Q1×(Ps,1-Ct,unit-Cpur,ave)； (5)
Ls12=Q2×(Ps,2-Ct,unit-Cpur,ave)； (6)
Ls13=(Q3+Q4)×(Ps,3-Ct,unit-Cpur,ave)； (7)
Ps,i,j=Pt,i,j+Pcon, Qs,i,j=Qi,j×(rcom+rdis+rsti)； (8)
Qi,j=(linc,i,j+lsto,i,j)×Hj； (9)
Wherein, Ls1For dynamoelectric benefit of guaranteeing the minimum, Ls11For primary industry dynamoelectric benefit, Ls12For resident's dynamoelectric benefit, Ls13For pocket
Bottom profit, Q1For primary industry electricity sales amount, Ps,1For primary industry listed power price, Q2For resident's industry electricity sales amount, Ps,2For resident's production
Industry listed power price, Q3For not at transaction electricity, Q4Electricity, P are failed to act for sale of electricity companys,3For the listed power price of incomplete transaction,
Ct,unitUnit power transmission and distribution cost, Cpur,aveFor average purchases strategies；
Ls2For compete dynamoelectric benefit, i indicate Different Industries, i=2,3, j indicate different voltages grade classifications (j=1,2,3,
4), Ps,i,jFor Different Industries different voltages grade sale of electricity valence, Pt,i,jFor Different Industries different voltages grade T-D tariff, PconFor
Negotiate power purchase valence, Qs,i,jFor effective sale electricity under Different Industries different voltages grade, Qi,jFor Different Industries different voltages grade
Plan electricity sales amount, rcomFor sale of electricity side coefficient of competition, rdisDistributed power generation coefficient, rstiFor large user's direct-furnish coefficient, linc,i,jFor
The load increment of Different Industries different voltages grade, lsto,i,jFor the load storage of Different Industries different voltages grade, HjFor maximum
Load utilizes hourage.
Power transmission and distribution profit is calculated by unit power transmission and distribution profit with electricity sales amount, wherein unit power transmission and distribution profit is by transmission & distribution
Electricity price is calculated with unit cost.According to National Development and Reform Committee to the regulation of T-D tariff price method, component voltage grade is needed
T-D tariff is appraised and decided, independent T-D tariff system is established.Wherein, the T-D tariff available system dynamics stack flow graph table appraised and decided
Show, as shown in figure 4, the T-D tariff (provincial power network be averaged T-D tariff) appraised and decided is by permitting the provincial of income and last round of accounting
Power grid common network transmission & distribution electricity is constituted, wherein permits income to permit cost, permitting income, the sum of taxes included in the calculated prices gold.Permit into
This permits cost by benchmark, the supervision period increases (reduction) newly and permits cost structure.Permit income be can count the efficient portfolio that mentions and
Permit the product of earning rate.
Based on upper piecewise analysis, power transmission and distribution profit LtIt can be calculated by following formula:
Lt=∑ (Qt,j×(Pt,j-Ct,j))； (10)
Iall=Call+Rall+T； (12)
Call=A × (rdep+rope+rmar)； (13)
Rall=A × rall, T=Rall×r； (14)
Wherein, Qt,j、Pt,j、Ct,jRespectively different voltages grade transmission & distribution electricity, the T-D tariff appraised and decided and unit cost；
IallPermit taking in for different voltages grade, CallCost, R are permitted for different voltages gradeallFor different voltages grade
Permit income, T is taxes included in the calculated prices gold, and A is that can count the efficient portfolio for proposing income, rdep、rope、rmarRespectively depreciation cost, operation and maintenance
Take, marketing service expense, rallTo permit earning rate, QproFor the provincial power network common network transmission & distribution electricity of last round of accounting, r is enterprise
Industry income tax.
When it is implemented, above-mentioned formula (1) can be obtained by following thinking:
For profit by income and cost structure, income includes that power selling income and power transmission and distribution input, and cost includes purchases strategies, defeated
Distribution cost and cost investment fund, wherein cost investment fund refers in COMPREHENSIVE CALCULATING management project, is not counted in assets
Investment, such as overhaul, input in science and technology, informatization investment are included in the project investment of cost.Based on this, net profit can be with
It indicates are as follows:
Ltot=R-C, R=Rs+Rt, C=Ct+Cp+Cc；
Wherein, R is income, and C is cost, RsFor power selling income, RtFor power transmission and distribution income, CtFor power transmission and distribution cost, CpFor purchase
Electric cost, CcFor cost investment fund.
Further, it can be deformed to obtain formula (1) according to above three formula.
In some embodiments of the invention, electric grid investment ability described in above-mentioned steps S200 is mainly determined by capital fund
It is fixed, capital fund, loan fund are had by oneself according to power grid, are included in central budget for investment fund calculating electric grid investment ability, including
The investment capacity is calculated by following formula:
Icap=Iown+Iloa×rloa+Igov； (15)
Iown=P × kown； (16)
Wherein, IcapFor the investment capacity, IownTo have capital fund, I by oneselfloaFor loan fund, rloaFor financing risk, Igov
To be included in central budget for investment fund, P is net profit, kownFor Investment Allocation ratio, kloaFor loan fund ratio.
When it is implemented, can be by system dynamics stack flow graph representation electric grid investment ability, as shown in Figure 5.
In some embodiments of the invention, electric network synthetic planning management project described in above-mentioned steps S300 includes that capital construction is thrown
Money, investment in technological upgrading, overhaul investment, science and technology investment, informatization investment and marketing investment.Investment plan is by local power supply bureau
Each section formulates annual plan according to be responsible for field development and demand.Cost-effectivenes is calculated by electric grid investment scale
Capital fund and assets capital fund include: to calculate power grid cost investment fund according to capital expenditure and investment in technological upgrading；
Power grid asset capital fund is calculated according to overhaul investment, science and technology investment, informatization investment and marketing investment.
Based on investment plan and the investment capacity, determines electric grid investment scale and fund is distributed to the item of each type
Mesh.When it is implemented, electric grid investment scale available system dynamics stack flow graph representation, as shown in Figure 6.
When it is implemented, when electric grid investment ability is suitable with investment plan carry out fund distribution can be planned by reporting；When
Electric grid investment ability is less than investment demand, then should suitably increase investment project, while improving the benefit of stock assets.Conversely, then
Investment project should be suitably reduced, or carries out strategic investment.Power grid money will be formed to the investment of capital construction, technological transformation and small-sized capital construction
It produces, power grid income is promoted, to influence profit.To the investment of overhaul, science and technology, informatization and marketing as cost, it is included in
In entreprise cost expense subitem.It is dynamic in the system of progress since the investment benefit effect of science and technology and information-based investment etc. is difficult to consider
When Mechanics Calculation, part of it cost is reduced, to indicate its contribution to power grid operation benefit.
In some embodiments of the invention, society is calculated according to power supply reliability and integrated voltage qualification rate in above-mentioned steps S400
Responsibility completeness, including social responsibility completeness is calculated by following formula:
K=S1×S2； (18)
Wherein, k is social responsibility completeness, S1For power supply reliability, S2For integrated voltage qualification rate.
The following detailed description of the method for determination of lower power supply reliability:
Region (A+, A class in such as table one) higher for load density, preferably select " 3 for 1 standby " (3 road main power supplies,
Separately have No. 1 backup power source), the high mode of connection of power supply reliabilities such as dual-ring network；Region (such as table one lower for load density
In D, E class), preferably select the mode of connection of the simple economies such as Single-ring network.Analyze grid equipment operating condition, to aging equipment with
And the route that sectional area is small, transmission power is small carries out the transformation that timely updates, and reduces line fault probability of happening.
One division of the power supply area table of table
Note 1: σ is power supply area load density (MW/km2)
Note 2: power supply area area is typically no less than 5km2
Note 3: when calculated load density, 110 (66) kV special line loads and high mountain, gobi, desert, waters, gloomy should be deducted
The invalid powering area such as woods.
Therefore, the power supply reliability in different power demand regions is considered respectively, usage factor variable and load are close
Degree is to indicate power supply reliability.First according in power supply area when maximum load unit area average load value (MW/km2) come
It determines the load density of different zones, secondly classifies according to load density to region, and according to the user of different zones year
Average power off time, integrated voltage qualification rate, judge whether it meets electricity consumption reliability according to classification standard.
When it is implemented, high voltage distribution network power supply safety criterion is as shown in Table 2:
Table two
When it is implemented, in order to more completely reflect social responsibility completeness, it is also contemplated that the factor in terms of Environmental security, society
Meeting responsibility completeness can be calculated by following formula:
K=S1×S2×S3, S3=∑ al×Rl；
Wherein, k is social responsibility completeness, S1For power supply reliability, S2For integrated voltage qualification rate, S3For Environmental security
Coefficient, l are different investment projects, alFor environment coefficient regional shared by investment project l, RlIt indicates shared by investment project l
Spatial area.
In some embodiments of the invention, above-mentioned steps S500 calculates electric network synthetic according to net profit and social responsibility completeness
Benefit, including electric network synthetic benefit is calculated by following formula:
W=k × Ltot；
Wherein, k is social responsibility completeness, LtotFor net profit.
In some embodiments of the invention, in order to clearly determine net profit, electric grid investment ability, electric grid investment scale, society
Situation can be contacted between responsibility completeness and electric network synthetic benefit and each parameter, the power grid investment benefit for investment decision is complete
Process analogy method further include: complete using Vensim building net profit, electric grid investment ability, electric grid investment scale, social responsibility
The system dynamics flow graph (as shown in Figure 7) of Cheng Du and electric network synthetic benefit.
Further, can by change net profit, electric grid investment ability, electric grid investment scale, social responsibility completeness and
Parameter in electric network synthetic benefit determines the affecting parameters of electric network synthetic benefit.
Based on the same inventive concept, the present invention also provides a kind of power grids to put into benefit overall process simulation system, such as following
Described in embodiment.Since the principle that the system solves the problems, such as is similar to power grid investment benefit Whole Process Simulation method, this is
The implementation of system may refer to the implementation of power grid investment benefit Whole Process Simulation method, and overlaps will not be repeated.
Specifically, as shown in figure 8, power grid investment benefit overall process simulation system includes:
Net profit module 810, based on the dynamoelectric benefit, power transmission and distribution profit, cost investment fund under being changed according to new electricity
Calculate net profit；
Investment capacity module 820, for having capital fund by oneself according to power grid, loan fund, being included in central budget for investment
Fund calculates electric grid investment ability, wherein own capital fund is calculated by net profit and Investment Allocation ratio；
Scale of investment module 830, for the investment plan and electric grid investment ability according to electric network synthetic planning management project
It determines electric grid investment scale, cost investment fund and assets capital fund, assets is calculated by electric grid investment scale
Capital fund is for improving power transmission and distribution profit；
Social responsibility module 840, for calculating social responsibility completeness according to power supply reliability and integrated voltage qualification rate；
Comprehensive benefit module 850, for calculating electric network synthetic benefit according to net profit and social responsibility completeness.
The present invention based on electric network synthetic planning management classification of the items, comprehensively consider the net profit of power grid, the investment capacity,
Scale of investment, social responsibility and comprehensive benefit, realize the simulation of power grid investment benefit overall process, and power grid puts into the full mistake of benefit
The analysis that the analog result of journey can change the major influence factors of lower power grid investment benefit for new electricity provides theoretical foundation, and then refers to
Conductive mesh company reasonable arrangement capital fund, optimizes allocation of resources, and better adapts to new electricity and changes, and improves electric network synthetic benefit.
In some embodiments of the invention, a kind of computer equipment is also provided, including memory, processor and be stored in storage
On device and the computer program that can run on a processor, the processor are realized aforementioned any when executing the computer program
Power grid described in embodiment puts into benefit Whole Process Simulation method.
In some embodiments of the invention, a kind of computer readable storage medium is also provided, computer readable storage medium is deposited
Execution computer program is contained, the computer program realizes that power grid described in aforementioned any embodiment is put into when being executed by processor
Benefit Whole Process Simulation method.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
The above is only used to illustrate the technical scheme of the present invention, any those of ordinary skill in the art can without prejudice to
Under spirit and scope of the invention, modifications and changes are made to the above embodiments.Therefore, the scope of the present invention should regard
Subject to scope of the claims.
Claims (10)
1. a kind of power grid puts into benefit Whole Process Simulation method characterized by comprising
Dynamoelectric benefit, power transmission and distribution profit, cost investment fund under being changed according to new electricity calculate net profit；
Capital fund, loan fund are had by oneself according to power grid, are included in central budget for investment fund calculating electric grid investment ability,
In, own capital fund is calculated by net profit and Investment Allocation ratio；
Electric grid investment scale is determined according to the investment plan of electric network synthetic planning management project and electric grid investment ability, is thrown by power grid
Cost investment fund and assets capital fund is calculated in money scale, and assets capital fund is for improving power transmission and distribution benefit
Profit；
Social responsibility completeness is calculated according to power supply reliability and integrated voltage qualification rate；
Electric network synthetic benefit is calculated according to net profit and social responsibility completeness.
2. the method as described in claim 1, which is characterized in that according to dynamoelectric benefit, power transmission and distribution profit, cost investment fund
Net profit is calculated, calculates net profit including the use of following formula:
Ltot=Ls+Lt-Cc；
Wherein, LtotFor net profit, LsFor dynamoelectric benefit, LtFor power transmission and distribution profit, CcFor cost investment fund；
The dynamoelectric benefit LsIt is calculated using following formula:
Ls=Ls1+Ls2, Ls1=Ls11+Ls12+Ls13, Ls2=∑ Ps,i,j×Qs,i,j；
Ls11=Q1×(Ps,1-Ct,unit-Cpur,ave), Ls12=Q2×(Ps,2-Ct,unit-Cpur,ave)；
Ls13=(Q3+Q4)×(Ps,3-Ct,unit-Cpur,ave)；
Ps,i,j=Pt,i,j+Pcon, Qs,i,j=Qi,j×(rcom+rdis+rsti)；
Qi,j=(linc,i,j+lsto,i,j)×Hj；
Wherein, Ls1For dynamoelectric benefit of guaranteeing the minimum, Ls11For primary industry dynamoelectric benefit, Ls12For resident's dynamoelectric benefit, Ls13For benefit of revealing all the details
Profit, Q1For primary industry electricity sales amount, Ps,1For primary industry listed power price, Q2For resident's industry electricity sales amount, Ps,2For resident's industry mesh
Record electricity price, Q3For not at transaction electricity, Q4Electricity, P are failed to act for sale of electricity companys,3For the listed power price of incomplete transaction, Ct,unit
Unit power transmission and distribution cost, Cpur,aveFor average purchases strategies；
Ls2To compete dynamoelectric benefit, i indicates Different Industries, and i=2,3, j indicate different voltages grade classification, Ps,i,jFor different productions
Industry different voltages grade sale of electricity valence, Pt,i,jFor Different Industries different voltages grade T-D tariff, PconTo negotiate power purchase valence, Qs,i,j
For effective sale electricity under Different Industries different voltages grade, Qi,jFor Different Industries different voltages grade plan electricity sales amount, rcom
For sale of electricity side coefficient of competition, rdisDistributed power generation coefficient, rstiFor large user's direct-furnish coefficient, linc,i,jFor the different electricity of Different Industries
Press the load increment of grade, lsto,i,jFor the load storage of Different Industries different voltages grade, HjHour is utilized for peak load
Number；
The power transmission and distribution profit LtIt is calculated by following formula:
Lt=∑ (Qt,j×(Pt,j-Ct,j))；
Iall=Call+Rall+ T, Call=A × (rdep+rope+rmar), Rall=A × rall, T=Rall×r；
Wherein, Qt,j、Pt,j、Ct,jRespectively different voltages grade transmission & distribution electricity, the T-D tariff appraised and decided and unit cost, IallFor
Different voltages grade permits income, CallCost, R are permitted for different voltages gradeallIncome is permitted for different voltages grade, and T is
Taxes included in the calculated prices gold, A are that can count the efficient portfolio for proposing income, rdep、rope、rmarRespectively depreciation cost, operation and maintenance expense, marketing service
Take, rallTo permit earning rate, QproFor the provincial power network common network transmission & distribution electricity of last round of accounting, r is enterprise income tax.
3. the method as described in claim 1, which is characterized in that have capital fund by oneself according to power grid, loan fund, be included in center
Budgetary investment fund calculates electric grid investment ability, including calculates the investment capacity by following formula:
Icap=Iown+Iloa×rloa+Igov, wherein Iown=P × kown,
Wherein, IcapFor the investment capacity, IownTo have capital fund, I by oneselfloaFor loan fund, rloaFor financing risk, IgovTo receive
Enter central budget for investment fund, P is net profit, kownFor Investment Allocation ratio, kloaFor loan fund ratio.
4. the method as described in claim 1, which is characterized in that electric network synthetic planning management project includes capital expenditure, technological transformation
Investment, overhaul investment, science and technology investment, informatization investment and marketing investment；
Cost investment fund is calculated by electric grid investment scale and assets capital fund includes:
Cost-effectivenes capital fund is calculated according to capital expenditure and investment in technological upgrading；
Assets capital fund is calculated according to overhaul investment, science and technology investment, informatization investment and marketing investment.
5. the method as described in claim 1, which is characterized in that calculate society according to power supply reliability and integrated voltage qualification rate
Responsibility completeness, including social responsibility completeness is calculated by following formula:
K=S1×S2；
Wherein, k is social responsibility completeness, S1For power supply reliability, S2For integrated voltage qualification rate.
6. the method as described in claim 1, which is characterized in that calculate electric network synthetic according to net profit and social responsibility completeness
Benefit, including electric network synthetic benefit is calculated by following formula:
W=k × Ltot；
Wherein, k is social responsibility completeness, LtotFor net profit.
7. the method as described in claim 1, which is characterized in that the method also includes:
It is imitated using Vensim building net profit, electric grid investment ability, electric grid investment scale, social responsibility completeness and electric network synthetic
The system dynamics flow graph of benefit.
8. the method for claim 7, which is characterized in that change net profit, electric grid investment ability, electric grid investment scale,
Parameter in social responsibility completeness and electric network synthetic benefit, determines the affecting parameters of electric network synthetic benefit.
9. a kind of power grid puts into benefit overall process simulation system characterized by comprising
Net profit module calculates net profit for the dynamoelectric benefit under changing according to new electricity, power transmission and distribution profit, cost investment fund
Profit；
Investment capacity module is calculated for having capital fund, loan fund by oneself according to power grid, being included in central budget for investment fund
Electric grid investment ability, wherein own capital fund is calculated by net profit and Investment Allocation ratio；
Scale of investment module, for determining power grid according to the investment plan and electric grid investment ability of electric network synthetic planning management project
Cost investment fund and assets capital fund, assets capital fund is calculated by electric grid investment scale in scale of investment
For improving power transmission and distribution profit；
Social responsibility module, for calculating social responsibility completeness according to power supply reliability and integrated voltage qualification rate；
Comprehensive benefit module, for calculating electric network synthetic benefit according to net profit and social responsibility completeness.
10. a kind of computer equipment including memory, processor and stores the meter that can be run on a memory and on a processor
Calculation machine program, which is characterized in that the processor is realized described in any one of claim 1 to 8 when executing the computer program
Power grid put into benefit Whole Process Simulation method.
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