CN106296471A - The optimization method of transmission cost allocation design and system - Google Patents

The optimization method of transmission cost allocation design and system Download PDF

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CN106296471A
CN106296471A CN201610863913.5A CN201610863913A CN106296471A CN 106296471 A CN106296471 A CN 106296471A CN 201610863913 A CN201610863913 A CN 201610863913A CN 106296471 A CN106296471 A CN 106296471A
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node
megawatt
kilometer
interconnection
transmission cost
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张翔
陈政
冷媛
王玲
蒙文川
席云华
宋艺航
傅蔷
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CSG Electric Power Research Institute
Power Grid Technology Research Center of China Southern Power Grid Co Ltd
Research Institute of Southern Power Grid Co Ltd
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Power Grid Technology Research Center of China Southern Power Grid Co Ltd
Research Institute of Southern Power Grid Co Ltd
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Abstract

The present invention relates to optimization method and the system of a kind of transmission cost allocation design.First the information of predeterminable area is obtained, this information includes the interconnection in predeterminable area, the line length of interconnection, the node being connected with interconnection and the prime power of node, method based on broad sense generating distribution factor and broad sense load distribution factor is calculated the limit megawatt kilometer of node, limit megawatt kilometer further according to node calculates the initial share the expenses of node, obtain transmission cost allocation design, when initial share the expenses is unsatisfactory for the benefit ratio preset, by default correction constant, initial share the expenses is modified, optimize transmission cost allocation design.Transmission cost allocation design after the optimization so obtained ensure that the reasonable benefit of grid company, effectively facilitates the market competition and development, promotes electrical network to make rational planning for constructions, develops in harmony for power construction and power grid construction and provide well guiding.

Description

The optimization method of transmission cost allocation design and system
Technical field
The present invention relates to grid power transmission expense allocation field, particularly relate to the excellent of a kind of transmission cost allocation design Change method and system.
Background technology
Transmission Service is exactly by electric energy safe, economy, is transported to high-quality the process of consumer, and it is contact generating and uses The bridge of electricity, is the sole support of electricity transaction.Reasonably transmission charges is by providing correct economic signals to market member, promotees The optimization making transmission of electricity resource uses, and meanwhile, transmission of electricity link produces certain constraint and shadow to generating with user the most in turn Ringing, the competition which user market is transmission price often can participate in a Power Generation actually has a great impact, so, defeated Electricity allocation of expenditures is a key issue in electricity market.
Transmission charges occupies an important position in the reliable and stable operation of electrical network, it be genco and big user it Between carry out the guarantee of electricity transaction, along with the fast development of China's economy, increasing to the demand of electric energy, and how will transmission of electricity Expense is reasonably shared between user and power plant and is particularly important, and existing transmission cost allocation design cannot Ensure the reasonable benefit of grid company, promote the market competition and development, promotion electrical network to make rational planning for construction and for power construction Coordinated development with power grid construction provides and guides.
Summary of the invention
Based on this, it is necessary to for existing transmission cost allocation design cannot ensure grid company reasonable benefit, Promote that the market competition and development, promotion electrical network are made rational planning for build and coordinated development for power construction and power grid construction provides Guide problem, it is provided that the optimization method of a kind of rational transmission cost allocation design being applicable to China's electricity market and System.
A kind of optimization method of transmission cost allocation design, including step:
Obtaining the information of predeterminable area, this information includes the interconnection in predeterminable area, the line length of interconnection and connection Winding thread be connected node and the prime power of node；
Information based on predeterminable area, uses the method for broad sense generating distribution factor and broad sense load distribution factor to calculate joint The limit megawatt kilometer of point；
Limit megawatt kilometer according to node calculates the initial share the expenses of node, obtains transmission cost allocation design side Case；
When initial share the expenses is unsatisfactory for the benefit ratio preset, by default correction constant to initial share the expenses It is modified, optimizes transmission cost allocation design.
A kind of optimization system of transmission cost allocation design, including:
Data obtaining module, for obtaining the information of predeterminable area, this information includes the interconnection in predeterminable area, contact The line length of line, the node being connected with interconnection and the prime power of node；
Limit megawatt kilometer computing module, for information based on predeterminable area, uses broad sense generating distribution factor with wide The method of the justice power load distributing factor calculates the limit megawatt kilometer of node；
Initial share the expenses computing module, be used for the limit megawatt kilometer calculating node according to node initially shares expense With, obtain transmission cost allocation design；
Expense correcting module, for when initial share the expenses is unsatisfactory for the benefit ratio preset, by default correction Initial share the expenses is modified by constant, optimizes transmission cost allocation design.
The optimization method of above-mentioned transmission cost allocation design and system, first obtain the information of predeterminable area, this letter Breath includes interconnection, the line length of interconnection, the node being connected with interconnection and the basic training of node in predeterminable area Rate, information based on predeterminable area, use the method for broad sense generating distribution factor and broad sense load distribution factor to calculate node Limit megawatt kilometer, further according to the initial share the expenses of the limit megawatt kilometer calculating node of node, obtains transmission cost allocation Design, when initial share the expenses is unsatisfactory for the benefit ratio preset, by default correction constant to initially sharing expense With being modified, optimize transmission cost allocation design.Above-mentioned based on broad sense generating distribution factor and broad sense power load distributing because of The method of son realizes sharing of transmission charges, and is modified initial share the expenses by revising constant, so obtains Optimization after transmission cost allocation design ensure that the reasonable benefit of grid company and continuous ego integrity, effectively Promote the market competition and development, promote electrical network to make rational planning for constructions, develop in harmony for power construction and power grid construction and provide fine Guiding.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the optimization method of transmission cost allocation design in an embodiment；
Fig. 2 is the flow process signal of sub-step S100 in the optimization method of transmission cost allocation design in an embodiment Figure；
Fig. 3 is the flow process signal of sub-step S200 in the optimization method of transmission cost allocation design in an embodiment Figure；
Fig. 4 is the flow process signal of sub-step S400 in the optimization method of transmission cost allocation design in an embodiment Figure；
Fig. 5 is the structural representation of the optimization system of transmission cost allocation design in an embodiment；
Fig. 6 is the structural representation of the optimization system Neutron module 100 of transmission cost allocation design in an embodiment；
Fig. 7 is the structural representation of the optimization system Neutron module 200 of transmission cost allocation design in an embodiment；
Fig. 8 is the structural representation of the optimization system Neutron module 400 of transmission cost allocation design in an embodiment.
Detailed description of the invention
As it is shown in figure 1, in one embodiment, the optimization method of a kind of transmission cost allocation design, including as follows Step:
Step S100, obtains the information of predeterminable area, and this information includes the circuit of the interconnection in predeterminable area, interconnection Length, the node being connected with interconnection and the prime power of node.
Predeterminable area can be the different regions such as each department, each province and each city, and interconnection refers at power plant and electricity The special wire of anastomosis is played, say, that by it, the electric energy that power plant sends can be sent to electrical network and work as between net In, it is also possible to the electric energy on electrical network is transferred back to power plant, interconnection can connect two power systems, two inter-provincial electrical networks, Two transformer stations, even two power distribution stations, give full play to both sides sends out power supply capacity, promotes most optimum distribution of resources.At electrical network In, can be generating node and load bus by node division, thus, each node includes generate electricity node and load bus.
Further, as in figure 2 it is shown, step S100 includes step S120 and step S140.
Step S120, reads the data of predeterminable area from default file, and these data include the interconnection of predeterminable area, connection The circuit network structure of the line length of winding thread, the node being connected with interconnection and interconnection.
Concrete, can by MATLAB software from Excel file each node of reading area, interconnection circuit long Degree and the circuit network structure of interconnection.
These data are divided by step S140, the prime power of statistics node, and prime power includes generated output and bears Lotus power.
Data numeral in Excel file is made a distinction, calculates generated output and the load power of each Area Node.
Step S200, information based on predeterminable area, employing broad sense generating distribution factor and broad sense load distribution factor Method calculates the limit megawatt kilometer of node.
In electrical network, the change of certain branch road effective power flow is likely due to a branch road or several branch roads in electrical network and breaks Open and cause, or owing to generated power output change causes, this can use distribution factor (Distribution Factor, DF) describes.GGDF(Generalized Generation Distribution Factor, broad sense generating distribution factor) method can calculate the change of network trend rapidly when system total load changes, by All load buses carry out power-balance in the ratio of current loads watt level；GLDF(Generalized Load Factor, broad sense load distribution factor) method can calculate the change of network trend rapidly when system always generates electricity change, by All generating nodes carry out power-balance in the ratio of current generated output size.GGDF and GLDF is applied to transmission charges Share, it is not necessary to choose reference mode, need to preset the ratio of total transmission charges that load undertakes respectively with electromotor.
Further, as it is shown on figure 3, step S200 includes step S220, step S240, step S260 and step S280.
Step S220, is obtained the trend of interconnection, and the line length of interconnection is converted by the conversion factor preset On the basis of length.
The trend of each interconnection and the line length of correspondence is obtained from the information of predeterminable area, will by conversion factor Line length is converted to datum length, in order to substitute in subsequent calculations formula.First certain type of certain electric pressure is selected Network line as benchmark, its length is constant, the length of other kinds of networking circuit be multiplied by default conversion factor obtain base Standard length, to guarantee that the length of whole network line more meets reality, thus, the region transmission of electricity share the expenses calculated more is closed Reason.Such as, on the basis of can selecting the networking circuit of 400 kilovolts, the default conversion factor of the networking circuit of 275 kilovolts is 1.74, The default conversion factor of the network line of 132 kilovolts is 2.61.
Step S240, calculates basic megawatt of kilometer of node, and this basic megawatt of kilometer is multiplied by base equal to the trend of interconnection Standard length.
The limit megawatt kilometer of node is multiplied by the datum length of correspondence equal to the trend of region interconnection, i.e.
CMWkm=Fs×ls
Wherein, FsFor the trend of region interconnection s, lsDatum length for region interconnection s.
Step S260, calculates megawatt kilometer of node, and node includes generate electricity node and load bus, when generating node increases During the generated output of unit megawatt, increasing summation at each load bus according to the size equal proportion of prime power is unit megawatt Load power, megawatt kilometer of load bus is multiplied by datum length equal to the load power of this load bus；Work as load bus When increasing the load power of unit megawatt, increasing summation at each generating node according to the size equal proportion of prime power is unit Megawatt generated output, megawatt kilometer of generating node is multiplied by described datum length equal to the generated output of this generating node.
The computing formula of megawatt kilometer of node: C'MWkm=F's×ls
Step S280, the basic megawatt of kilometer that megawatt kilometer of node deducts node obtains the limit megawatt public affairs of node In.
Concrete, the node i expression formula to the limit megawatt kilometer of region interconnection: mi=C'MWkm-CMWkm。
Step S300, calculates the initial share the expenses of node, obtains transmission charges and divide according to the limit megawatt kilometer of node Stand design.
Concrete, the limit megawatt kilometer of node is multiplied by default enlarging coefficient and default factor of safety, calculates The initial share the expenses of node, obtains transmission cost allocation design.Wherein, the enlarging coefficient reflection unit length allusion quotation preset The expense on molded line road, the cost of the system redundancy capacity that the requirement of margin of safety is caused by default factor of safety reflection system.
The calculation expression of node initial cost:
TA,j=mA,j×E×S
TB,k=mB,k×E×S
Wherein, TA,jFor the share the expenses of region A interior joint j, mA,jLimit megawatt kilometer for region A interior joint j；TB,k For the share the expenses of region B interior joint k, mB,kLimit megawatt kilometer for region B interior joint k.
Step S400, when initial share the expenses is unsatisfactory for the benefit ratio preset, by default correction constant to just Beginning share the expenses is modified, and optimizes transmission cost allocation design.
The benefit ratio preset i.e. presets the ratio of total transmission charges that load undertakes respectively with electromotor, different Country has in the electrical network usage charges of different unified standards, such as Britain according to various countries' Transmission Pricing pattern and not to consider unit report Valency, it is adaptable to bilateral model, the generating of Britain and the ratio of load are 0.27:0.83.
Further, as shown in Figure 4, step S400 includes step S420 and step S440.
Step S420, when initial share the expenses is unsatisfactory for the benefit ratio preset, by default correction constant to joint The limit megawatt kilometer of point is modified.
Revise constant and obtain by solving equation below group:
R C T , A = Σ j ∈ A [ ( m A , j + C ) × E × S × P j ] R C T , B = Σ k ∈ B [ ( m B , k - C ) × E × S × P k ] p = R C T , A / ( R C T , A + R C T , B )
Wherein RCT,AFor the revised income obtained from a-quadrant, PjGenerated output/load power for node j；RCT,B For the revised income obtained from region, PkGenerated output/load power for node k；P is the revised income in a-quadrant Account for the ratio value of total income.
S440, according to the limit megawatt kilometer of revised node, calculates the share the expenses of node, obtains the transmission of electricity optimized Expense allocation design.
Share the expenses with revising constant C calculating node:
TCT,A,j=(mA,j+C)×E×S/1000
TCT,B,k=(mB,k-C)×E×S/1000
Wherein TCT,A,jFor the share the expenses of the node j region interconnection in a-quadrant, TCT,B,kFor the node k district in B region The share the expenses of territory interconnection.
The optimization method of above-mentioned transmission cost allocation design, first obtains the information of predeterminable area, and this information includes Interconnection, the line length of interconnection, the node being connected with interconnection and the prime power of node in predeterminable area, based on The information of predeterminable area, uses the method for broad sense generating distribution factor and broad sense load distribution factor to calculate the limit megawatt of node Kilometer, further according to the initial share the expenses of the limit megawatt kilometer calculating node of node, obtains transmission cost allocation design, When initial share the expenses is unsatisfactory for the benefit ratio preset, by default correction constant, initial share the expenses is repaiied Just, transmission cost allocation design is optimized.Above-mentioned based on broad sense generating distribution factor and the method for broad sense load distribution factor Realize sharing of transmission charges, and initial share the expenses is modified, after the optimization so obtained by revising constant Transmission cost allocation design ensure that the reasonable benefit of grid company and continuous ego integrity, effectively facilitate market Competition and development, promote electrical network to make rational planning for constructions, and developing in harmony for power construction and power grid construction provides well guiding.
In one embodiment, as it is shown in figure 5, the optimization system of a kind of transmission cost allocation design, including:
Data obtaining module 100, for obtaining the information of predeterminable area, this information include the interconnection in predeterminable area, The line length of interconnection, the node being connected with interconnection and the prime power of node.
Predeterminable area can be the different regions such as each department, each province and each city, and interconnection refers at power plant and electricity The special wire of anastomosis is played, say, that by it, the electric energy that power plant sends can be sent to electrical network and work as between net In, it is also possible to the electric energy on electrical network is transferred back to power plant, interconnection can connect two power systems, two inter-provincial electrical networks, Two transformer stations, even two power distribution stations, give full play to both sides sends out power supply capacity, promotes most optimum distribution of resources.At electrical network In, can be generating node and load bus by node division, thus, each node includes generate electricity node and load bus.
Further, as shown in Figure 6, data obtaining module 100 includes reading unit 120 and statistic unit 140.
Reading unit 120, for reading the data of predeterminable area from default file, these data include the connection of predeterminable area The circuit network structure of winding thread, the line length of interconnection, the node being connected with interconnection and interconnection.
Concrete, can by MATLAB software from Excel file each node of reading area, interconnection circuit long Degree and the circuit network structure of interconnection.
Statistic unit 140, for data are divided, the generated output of statistics node and load power.
Data numeral in Excel file is made a distinction, calculates generated output and the load power of each Area Node.
Limit megawatt kilometer computing module 200, for information based on predeterminable area, use broad sense generating distribution factor and The method of broad sense load distribution factor calculates the limit megawatt kilometer of node.
In electrical network, the change of certain branch road effective power flow is likely due to a branch road or several branch roads in electrical network and breaks Open and cause, or owing to generated power output change causes, this can use distribution factor (Distribution Factor) describes.GGDF (Generalized Generation Distribution Factor, Broad sense generating distribution factor) method can calculate the change of network trend rapidly when system total load change, all bears Lotus node carries out power-balance in the ratio of current loads watt level；(Generation Load Factor, generating is negative for GLDF Lotus distribution factor) method can calculate the change of network trend, by all generating nodes rapidly when system always generates electricity change Power-balance is carried out in the ratio of current generated output size.
Further, as it is shown in fig. 7, a limit megawatt kilometer computing module 200 includes interconnection processing unit 220, basic Megawatt kilometer computing unit 240, megawatt kilometer computing unit 260 and limit megawatt kilometer computing unit 280.
Interconnection processing unit 220, for obtaining the trend of interconnection, and by default conversion factor by interconnection Length on the basis of line length conversion.
The trend of each interconnection and the line length of correspondence is obtained from the information of predeterminable area, will by conversion factor Line length is converted to datum length, in order to substitute in subsequent calculations formula.First certain type of certain electric pressure is selected Network line as benchmark, its length is constant, the length of other kinds of networking circuit be multiplied by default conversion factor obtain base Standard length, to guarantee that the length of whole network line more meets reality, thus, the region transmission of electricity share the expenses calculated more is closed Reason.Such as, on the basis of can selecting the networking circuit of 400 kilovolts, the default conversion factor of the networking circuit of 275 kilovolts is 1.74, The default conversion factor of the network line of 132 kilovolts is 2.61.
Basic megawatt of kilometer computing unit 240, for calculating basic megawatt of kilometer of node, basic megawatt of kilometer is equal to connection The trend of winding thread is multiplied by the datum length of interconnection.
The limit megawatt kilometer of node is multiplied by the datum length of correspondence equal to the trend of region interconnection, i.e.
CMWkm=Fs×ls
Wherein, FsFor the trend of region interconnection s, lsDatum length for region interconnection s.
Megawatt kilometer computing unit 260, for calculating megawatt kilometer of node, node includes generate electricity node and load joint Point, when the node that generates electricity increases the generated output of unit megawatt, at each load bus according to the size equal proportion of prime power Increasing summation is the load power of unit megawatt, and megawatt kilometer of load bus is multiplied by benchmark equal to the load power of load bus Length；When load bus increases the load power of unit megawatt, at each generating node according to the size geometric ratio of prime power It is the generated output of unit megawatt that example increases summation, and megawatt kilometer of generating node is multiplied by base equal to the generated output of generating node Standard length.
The computing formula of megawatt kilometer of node: C'MWkm=F's×ls
Limit megawatt kilometer computing unit 280, obtains the limit of node for megawatt kilometer is deducted basic megawatt of kilometer Megawatt kilometer.
The node i expression formula to the limit megawatt kilometer of region interconnection: mi=C'MWkm-CMWkm。
Initial share the expenses computing module 300, calculates initially sharing of node for the limit megawatt kilometer according to node Expense, obtains transmission cost allocation design.
Concrete, the limit megawatt kilometer of node is multiplied by default enlarging coefficient and default factor of safety, calculates The initial share the expenses of node, obtains transmission cost allocation design.Wherein, the enlarging coefficient reflection unit length allusion quotation preset The expense on molded line road, the cost of the system redundancy capacity that the requirement of margin of safety is caused by default factor of safety reflection system.
Node initial cost calculation expression:
TA,j=mA,j×E×S
TB,k=mB,k×E×S
Wherein, TA,jFor the share the expenses of region A interior joint j, mA,jLimit megawatt kilometer for region A interior joint j；TB,k For the share the expenses of region B interior joint k, mB,kLimit megawatt kilometer for region B interior joint k.
Expense correcting module 400, for when the initial share the expenses of node is unsatisfactory for the benefit ratio preset, by advance If revise constant the initial share the expenses of node is modified, optimize transmission cost allocation design.
The benefit ratio preset i.e. presets the ratio of total transmission charges that load undertakes respectively with electromotor, different Country has in the electrical network usage charges of different unified standards, such as Britain according to various countries' Transmission Pricing pattern and not to consider unit report Valency, it is adaptable to bilateral model, the generating of Britain and the ratio of load are 0.27:0.83.
Further, as shown in Figure 8, expense correcting module 400 includes limit megawatt kilometer amending unit 420 and shares expense With computing unit 440.
Limit megawatt kilometer amending unit 420, for when initial share the expenses is unsatisfactory for the benefit ratio preset, passes through The limit megawatt kilometer of node is modified by the constant of revising preset.
Revise constant and obtain by solving equation below group:
R C T , A = Σ j ∈ A [ ( m A , j + C ) × E × S × P j ] R C T , B = Σ k ∈ B [ ( m B , k - C ) × E × S × P k ] p = R C T , A / ( R C T , A + R C T , B )
Wherein RCT,AFor the revised income obtained from a-quadrant, PjGenerated output/load power for node j；RCT,B For the revised income obtained from region, PkGenerated output/load power for node k；P is the revised income in a-quadrant Account for the ratio value of total income.
Share the expenses computing unit 440, for the limit megawatt kilometer according to revised node, calculates sharing of node Expense, obtains the transmission cost allocation design optimized.
Share the expenses with revising constant C calculating node:
TCT,A,j=(mA,j+C)×E×S/1000
TCT,B,k=(mB,k-C)×E×S/1000
Wherein TCT,A,jFor the share the expenses of the node j region interconnection in a-quadrant, TCT,B,kFor the node k district in B region The share the expenses of territory interconnection.
The optimization system of above-mentioned transmission cost allocation design, first obtains the information of predeterminable area, and this information includes Interconnection, the line length of interconnection, the node being connected with interconnection and the prime power of node in predeterminable area, based on The information of predeterminable area, uses the method for broad sense generating distribution factor and broad sense load distribution factor to calculate the limit megawatt of node Kilometer, further according to the initial share the expenses of the limit megawatt kilometer calculating node of node, obtains transmission cost allocation design, When initial share the expenses is unsatisfactory for the benefit ratio preset, by default correction constant, initial share the expenses is repaiied Just, transmission cost allocation design is optimized.By based on broad sense generating distribution factor and broad sense power load distributing in said system The method of the factor realizes sharing of transmission charges, and utilizes correction constant to be modified initial share the expenses, such To optimization after transmission cost allocation design ensure that the reasonable benefit of grid company and continuous ego integrity, have Effect promotes the market competition and development, promotes electrical network to make rational planning for constructions, develops offer in harmony very for power construction and power grid construction Good guiding.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, not to above-mentioned reality The all possible combination of each technical characteristic executed in example is all described, but, as long as the combination of these technical characteristics is not deposited In contradiction, all it is considered to be the scope that this specification is recorded.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed, but also Can not therefore be construed as limiting the scope of the patent.It should be pointed out that, come for those of ordinary skill in the art Saying, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement, these broadly fall into the protection of the present invention Scope.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.

Claims (10)

1. the optimization method of a transmission cost allocation design, it is characterised in that include step:
Obtain predeterminable area information, described information include the interconnection in predeterminable area, the line length of described interconnection and Described interconnection be connected node and the prime power of described node；
Information based on described predeterminable area, uses the method for broad sense generating distribution factor and broad sense load distribution factor to calculate institute State the limit megawatt kilometer of node；
Limit megawatt kilometer according to described node calculates the initial share the expenses of described node, obtains transmission cost allocation design Scheme；
When described initial share the expenses is unsatisfactory for the benefit ratio preset, initially shared described by default correction constant Expense is modified, and optimizes described transmission cost allocation design.
The optimization method of transmission cost allocation design the most according to claim 1, it is characterised in that described acquisition is pre- If the information Step in region includes:
Reading the data of predeterminable area from default file, described data include the interconnection of predeterminable area, described interconnection The circuit network structure of line length, the node being connected with described interconnection and described interconnection；
Described data being divided, add up the prime power of described node, described prime power includes generated output and load Power.
The optimization method of transmission cost allocation design the most according to claim 1, it is characterised in that described based on institute State the information of predeterminable area, use the method for broad sense generating distribution factor and broad sense load distribution factor to calculate the limit of described node The step of border megawatt kilometer includes:
Obtain the trend of described interconnection, and by default conversion factor by the basis of the line length conversion of described interconnection Length；
Calculating basic megawatt of kilometer of described node, described basic megawatt of kilometer is multiplied by described base equal to the trend of described interconnection Standard length；
Calculating megawatt kilometer of described node, described node includes generate electricity node and load bus, when described generating node increases During the generated output of unit megawatt, increasing summation at each load bus according to the size equal proportion of prime power is unit megawatt Load power, megawatt kilometer of described load bus is multiplied by described datum length equal to the load power of described load bus； When described load bus increases the load power of unit megawatt, at each generating node according to the size equal proportion of prime power Increasing summation is the generated output of unit megawatt, and megawatt kilometer of described generating node is equal to the generated output of described generating node It is multiplied by described datum length；
The basic megawatt of kilometer that megawatt kilometer of described node deducts described node obtains the limit megawatt kilometer of described node.
The optimization method of transmission cost allocation design the most according to claim 1, it is characterised in that described according to institute The limit megawatt kilometer stating node calculates the initial share the expenses of described node, obtains the step of transmission cost allocation design Including:
The limit megawatt kilometer of described node is multiplied by described default enlarging coefficient and default factor of safety, calculates described The initial share the expenses of node, obtains transmission cost allocation design.
The optimization method of transmission cost allocation design the most according to claim 1, it is characterised in that described when described When initial share the expenses is unsatisfactory for the benefit ratio preset, by default correction constant, described initial share the expenses is repaiied Just, the step optimizing described transmission cost allocation design includes:
When described initial share the expenses is unsatisfactory for the benefit ratio preset, revise the constant limit to described node by default Border megawatt kilometer is modified；
According to the limit megawatt kilometer of revised described node, calculate the share the expenses of described node, obtain the transmission of electricity optimized Expense allocation design.
6. the optimization system of a transmission cost allocation design, it is characterised in that including:
Data obtaining module, for obtaining the information of predeterminable area, described information includes the interconnection in predeterminable area, described The line length of winding thread, the node being connected with described interconnection and the prime power of described node；
Limit megawatt kilometer computing module, for information based on described predeterminable area, uses broad sense generating distribution factor with wide The method of the justice power load distributing factor calculates the limit megawatt kilometer of described node；
Initial share the expenses computing module, calculates initially sharing of described node for the limit megawatt kilometer according to described node Expense, obtains transmission cost allocation design；
Expense correcting module, for when described initial share the expenses is unsatisfactory for the benefit ratio preset, by default correction Described initial share the expenses is modified by constant, optimizes described transmission cost allocation design.
The optimization system of transmission cost allocation design the most according to claim 6, it is characterised in that described information obtains Delivery block includes:
Read unit, for reading the data of predeterminable area from default file, described data include predeterminable area interconnection, The circuit network structure of the line length of described interconnection, the node being connected with described interconnection and described interconnection；
Statistic unit, for described data being divided, adds up the prime power of described node, and described prime power includes sending out Electrical power and load power.
The optimization system of transmission cost allocation design the most according to claim 6, it is characterised in that described marginal million Watt kilometer computing module includes:
Interconnection processing unit, for obtaining the trend of described interconnection, and by default conversion factor by described interconnection Line length conversion on the basis of length；
Basic megawatt of kilometer computing unit, for calculating basic megawatt of kilometer of described node, described basic megawatt of kilometer is equal to The trend of described interconnection is multiplied by the datum length of described interconnection；
Megawatt kilometer computing unit, for calculating megawatt kilometer of described node, described node includes generate electricity node and load joint Point, when described generating node increases the generated output of unit megawatt, at each load bus according to the size etc. of prime power It is the load power of unit megawatt that ratio increases summation, and megawatt kilometer of described load bus is equal to the load of described load bus Power is multiplied by described datum length；When described load bus increases the load power of unit megawatt, press at each generating node Size equal proportion increase summation according to prime power is the generated output of unit megawatt, and a megawatt kilometer for described generating node is equal to The generated output of described generating node is multiplied by described datum length；
Limit megawatt kilometer computing unit, obtains for megawatt kilometer of described node deducts basic megawatt of kilometer of described node Limit megawatt kilometer to described node.
The optimization system of transmission cost allocation design the most according to claim 6, it is characterised in that described initial point Stand expense computing module includes:
The limit megawatt kilometer of described node is multiplied by described default enlarging coefficient and default factor of safety, calculates described The initial share the expenses of node, obtains transmission cost allocation design.
The optimization system of transmission cost allocation design the most according to claim 6, it is characterised in that described expense Correcting module includes:
Limit megawatt kilometer amending unit, for when described initial share the expenses is unsatisfactory for the benefit ratio preset, by advance If revise constant the limit megawatt kilometer of described node is modified；
Share the expenses computing unit, for the limit megawatt kilometer according to revised described node, calculates dividing of described node Stand expense, obtains the transmission cost allocation design optimized.
CN201610863913.5A 2016-09-28 2016-09-28 The optimization method of transmission cost allocation design and system Pending CN106296471A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107123985A (en) * 2017-04-28 2017-09-01 中国农业大学 Consider the power transmission and distribution transmission fixed cost allocation method and system of micro-capacitance sensor complex transaction
CN110852581A (en) * 2019-10-28 2020-02-28 南方电网能源发展研究院有限责任公司 Power transmission and distribution price verification method and device for distinguishing power grid structural characteristics

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008146105A (en) * 2006-12-05 2008-06-26 Toshiba Corp System, method and program for evaluating power transaction
CN103455852A (en) * 2013-08-28 2013-12-18 西安交通大学 Power transmission and distribution cost allocation method based on DEA cooperative game

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008146105A (en) * 2006-12-05 2008-06-26 Toshiba Corp System, method and program for evaluating power transaction
CN103455852A (en) * 2013-08-28 2013-12-18 西安交通大学 Power transmission and distribution cost allocation method based on DEA cooperative game

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
张瑞友等: "《英国输电定价模型中的关键环节分析》", 《电网技术》 *
文安等: "《英国输电过网费定价机制分析》", 《南方电网技术》 *
荆朝霞: "《输电系统固定成本分摊问题》", 《电力系统自动化》 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107123985A (en) * 2017-04-28 2017-09-01 中国农业大学 Consider the power transmission and distribution transmission fixed cost allocation method and system of micro-capacitance sensor complex transaction
CN110852581A (en) * 2019-10-28 2020-02-28 南方电网能源发展研究院有限责任公司 Power transmission and distribution price verification method and device for distinguishing power grid structural characteristics
CN110852581B (en) * 2019-10-28 2020-10-23 南方电网能源发展研究院有限责任公司 Power transmission and distribution price verification method and device for distinguishing power grid structural characteristics

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