CN103577889B - Method and system for optimized planning processing of multi-zone power generation energy development and transport - Google Patents

Abstract

The invention discloses a method and system for multi-area power generation energy development and transportation optimization planning processing. The method includes: obtaining the energy resource endowment information of the preset region, dividing the preset region into m power generation energy resource regions; obtaining the energy resource endowment information in each power generation energy resource region, and constructing the cross-generation energy resource Alternative set of energy transmission channels in resource areas Ω _Λ ; establish power generation energy input-output balance equations, establish constraint conditions through comprehensive power system operating parameters and resource endowment information, select the minimum power generation energy supply cost in the preset area as the objective function, and establish multiple Regional power generation energy optimization model; use the optimization model to obtain the optimal solution of branch configuration matrix, power generation energy-related production vector, power generation energy-related demand vector and transmission type, and analyze the data information in the optimal solution to realize the preset The optimal allocation of power generation energy development and energy transportation pattern in the region.

Description

Method and system for multi-regional power generation energy development and transportation optimization planning processing

technical field

The invention relates to the field of power generation energy development in power systems, in particular to a method and system for multi-region power generation energy development and transportation optimization planning processing.

Background technique

In the field of power generation energy development in the power system, the scale and layout of the power generation energy concentration and distribution development model, as well as the national coal transmission pattern, are important technical keys to ensure the work deployment of the national power supply department and related departments.

When dealing with the above tasks, many factors in the power system need to be considered (including the comprehensive power system operating parameters and resource endowment information of the power system). Personnel bring a heavy task, and at the same time it is often difficult to complete through the existing technology, find a variety of parameters and layout development conditions to deal with the above problems, so as to achieve the minimum total development cost across the country and obtain information on the allocation of power resources between regions The various control ratios are a difficult problem to deal with.

Especially in the context of accelerating the development of large-scale renewable energy bases and distributed energy sources, and the prevention and control of air pollution receiving more and more attention, in the field of power generation energy development in the power system, it is necessary to consider the actual situation of power system transmission line transmission capacity limitations. It is an urgent technical problem to pursue the minimum cost of power generation, provide a reasonable and optimized regional configuration plan, and realize the most reasonable scale and layout of power generation energy concentration and decentralized development.

Contents of the invention

Based on the above problems, the present invention provides a method and system for multi-regional power generation energy development and transportation optimization planning and processing. By analyzing the cost operation layout of power system power generation energy development, a multi-regional power generation energy optimization model is established; using the above optimization The model is used to find the optimal solution, so as to obtain the optimal configuration of power generation energy development and energy transportation pattern in the preset area.

Based on the above problems, the present invention provides a method for multi-regional power generation energy development and transportation optimization planning processing, including the following steps:

S100. Obtain energy resource endowment information in a preset area, and divide the preset area into m power generation energy resource areas; wherein, m is a positive integer;

S200, obtain energy resource endowment information in each power generation energy resource region, and construct a candidate set Ω _Λ of energy transmission channels across power generation energy resource regions in the preset region;

S300, establishing a power generation energy input-output balance equation, establishing constraint conditions through comprehensive power system operating parameters and resource endowment information, selecting the minimum power generation energy supply cost in a preset region as the objective function, and establishing a multi-regional power generation energy optimization model;

S400, using the multi-regional power generation energy optimization model to obtain the optimal solution of the branch configuration matrix, power generation energy-related production vector, power generation energy-related demand vector and transmission type, and analyze the data information in the optimal solution to obtain Optimization Results;

Wherein, the power generation energy includes but not limited to one or more combinations of nuclear power, hydropower, wind energy, natural gas, solar energy, coal, and biomass energy; resource endowment information includes information on installed capacity of power generation energy per megawatt, power generation energy plant self-consumption rate.

Preferably, as an implementable manner, the step S100 includes the following steps:

S110. Select a two-dimensional preset area map as the object of the area division of power generation energy resources in the preset area, obtain endowment information of power generation energy resources in the preset area, and convert the two-dimensional preset area map according to the endowment information of power generation energy resources Divide into m power generation energy resource areas;

S120, calculating the linear distance su between the center of gravity of a power generation energy resource region ⁱ and the center of gravity of another power generation energy resource region j in the preset region;

Among them, u is a natural number;

S130, extracting the unit installed cost, plant power consumption rate, power generation efficiency, maximum production limit, maximum installed capacity limit, and maximum power generation limit of each type of power generation energy in the power generation energy resource area in the preset area, and the power generation energy The power demand of the resource area.

Preferably, as an implementable manner, the step S200 includes the following steps:

S210, selecting the transmission type of the power system as an element, constructing a transmission type set Γ, and constructing alternative transmission channels across power generation energy resource areas in the preset area;

S220, for the coal and gas resources that need to be transported between power generation energy resource regions, establish corresponding alternative channels for coal and gas transmission across power generation energy resource regions;

S230. Merge the set of candidate transmission channels across power generation energy resource areas and the candidate coal and gas transmission channels across power generation energy resource areas to form a candidate set of energy transmission channels across power generation energy resource areas in the preset area _ΩΛ .

Preferably, as an implementable manner, the step S300 includes the following steps:

S310, using the balance relationship between power generation energy development in the power generation energy resource region and energy transmission and energy consumption between power generation energy resource regions, to establish a power generation energy input-output balance equation:

AX+C _n WC _b Y=X

in,

A is the direct consumption coefficient matrix,

W is the delivery configuration matrix,

C _n is the area configuration matrix,

C _b is the branch configuration matrix,

X is the production vector related to power generation energy,

Y is the energy-related demand vector for power generation,

P={w _p ,s _p ,c _p ,g _p ,h _p ,n _p }; G={w _g ,s _g ,c _g ,g _g ,h _g ,n _g }; E={w _e , s _e , c _e , g _e , he _e , ne _e }; i, j∈[1m], u∈[1 l];

P represents the collection of wind energy, solar energy, coal, natural gas, hydropower, uranium and other primary power generation energy, and the units corresponding to the collection elements are their physical quantity units;

G represents the collection of wind power, solar power, coal power, gas power, hydropower and nuclear power installed capacity, and the unit of the corresponding set elements is million kW;

E represents the collection of wind power, solar power, coal power, gas power, hydropower and nuclear power generation, and the unit of the corresponding set elements is million kW h;

X ⁱ represents the production of primary power generation energy, installed capacity and electricity in power generation energy resource area i, where, Respectively represent the primary power generation energy production, installed capacity and power generation;

The primary power generation energy includes wind energy, solar energy, coal, natural gas, water energy, and uranium;

Y ⁱ represents the demand for all kinds of primary power generation energy, installed capacity and electricity in area i, and Y is called the power generation energy related demand vector;

A ⁱ represents the direct consumption coefficient matrix among various primary energy sources, installed capacity, and generated electricity in area i;

S320, selecting the minimum cost of power generation energy supply in the preset area as the objective function of the input-output balance equation:

in: λ∈Λ, represents the number of coal/gas/power transmission channels constructed on the u-th energy transmission alternative channel after optimization;

Φ _λ is the cost vector of the energy transmission channel, including the cost of the transmission channel of electricity, coal and gas energy;

S330. Determine constraints of the objective function according to preset conditions;

The constraint conditions include satisfying the power generation energy input-output balance equation; the power generation energy production is below the upper limit of production; the rated transmission capacity of the energy transmission alternative channel meets the energy transmission demand; the economic distance of the energy transmission channel can cover area i and Region j; the renewable energy power of the selected power generation energy resource region i meets the quota requirements of electricity demand; the primary energy and electricity used in the power generation energy resource region j are composed of local and non-j regional transmission and transfer;

S340. Establish a multi-region power generation energy optimization model according to the objective function and constraint conditions.

Preferably, as an implementable manner, step S400 specifically includes the following steps:

S410. Use the multi-regional power generation energy optimization model to obtain the optimal solution of the branch configuration matrix C _b , and analyze the coal and natural gas power generation used in the power generation energy region j in the branch configuration matrix C _b of the optimal solution The proportion of energy received from the receiving end of the uth channel to the total amount of coal and natural gas power generation energy used in the power generation energy area, and the electric energy received from the receiving end of the uth channel in the power generation energy area j to the electric energy used in the power generation energy area The proportion of the total amount and the proportion of each type of electric energy to the total amount of electric energy in the power generation energy area j.

A multi-regional power generation energy development and transportation optimization planning processing system based on the same inventive concept, including a region division module, an assembly building module, a modeling module and a solving module, wherein:

The area division module is used to obtain energy resource endowment information of a preset area, and divide the preset area into m power generation energy resource areas; wherein, m is a positive integer;

The set construction module is used to obtain energy resource endowment information in each power generation energy resource region, and construct a candidate set Ω _Λ of energy transmission channels across power generation energy resource regions in a preset region;

The modeling module is used to establish a power generation energy input-output balance equation, establish constraint conditions through comprehensive power system operating parameters and resource endowment information, select the minimum power generation energy supply cost in a preset area as the objective function, and establish multi-regional power generation energy. optimization model;

The solving module is used to use the multi-regional power generation energy optimization model to obtain the optimal solution of the branch configuration matrix, power generation energy-related production vector, power generation energy-related demand vector and transmission type, and analyze the optimal solution in the optimal solution The data information to get the optimization result;

Wherein, the power generation energy includes but not limited to one or more combinations of nuclear power, hydropower, wind energy, natural gas, solar energy, coal, and biomass energy; resource endowment information includes information on installed capacity of power generation energy per megawatt, power generation energy plant self-consumption rate.

Preferably, as an implementable manner, the area division module includes a division submodule, a distance calculation submodule, and an information extraction submodule, wherein:

The division sub-module is used to select a two-dimensional preset area map as an object for the area division of power generation energy resources in the preset area, obtain endowment information of power generation energy resources in the preset area, and according to the endowment information of power generation energy resources, divide the The two-dimensional preset area map is divided into m power generation energy resource areas;

The distance calculation sub-module is used to calculate the straight-line distance ^u between the barycenter of a power generation energy resource area i and the barycenter of another power generation energy resource area j on the two-dimensional preset area map;

Among them, u is a natural number;

The information extraction sub-module is used to extract the unit installed cost, plant power consumption rate, power generation efficiency, maximum production upper limit, maximum installed capacity upper limit and maximum power generation capacity of each type of power generation energy in the power generation energy resource area in the preset area upper limit, and the power demand of the power generation energy resource area.

Preferably, as an implementable manner, the set building module includes a power transmission channel set building sub-module, a coal and gas resource channel set building sub-module, and a set merging sub-module, wherein:

The transmission channel set construction sub-module is used to select the transmission type of the power system as an element, construct a transmission type set Γ, and construct an alternative channel for transmission across power generation energy resource areas in a preset area;

The coal and gas resource channel set construction sub-module is used to establish corresponding alternative channels for coal and gas transmission across power generation energy resource areas for coal and gas resources that need to be transported between power generation energy resource areas;

The set merging sub-module is used to combine the set of alternative channels for power transmission across power generation energy resource areas and the candidate coal and gas transmission channels across power generation energy resource areas to form cross-generation energy resources in the preset area Candidate set of regional energy transmission channels Ω _Λ .

Preferably, as an implementable manner, the modeling module includes a balance equation establishment submodule, an objective function establishment submodule, a constraint condition determination submodule, and an optimization model establishment submodule, wherein:

The balance equation establishes a sub-module, which is used to establish a power generation energy input-output balance equation by utilizing the balance relationship between power generation energy development in the power generation energy resource area and energy transmission and energy consumption between power generation energy resource areas:

AX+C _n WC _b Y=X

in,

A is the direct consumption coefficient matrix,

W is the delivery configuration matrix,

C _n is the area configuration matrix,

C _b is the branch configuration matrix,

X is the production vector related to power generation energy,

Y is the energy-related demand vector for power generation,

P={w _p ,s _p ,c _p ,g _p ,h _p ,n _p }; G={w _g ,s _g ,c _g ,g _g ,h _g ,n _g }; E={w _e , s _e , c _e , g _e , he _e , ne _e }; i, j∈[1m], u∈[1 l];

P represents the collection of wind energy, solar energy, coal, natural gas, hydropower, uranium and other primary power generation energy, and the units corresponding to the collection elements are their physical quantity units;

G represents the collection of wind power, solar power, coal power, gas power, hydropower and nuclear power installed capacity, and the unit of the corresponding set elements is million kW;

E represents the collection of wind power, solar power, coal power, gas power, hydropower and nuclear power generation, and the unit of the corresponding set elements is million kW h;

X ⁱ represents the production of primary power generation energy, installed capacity and electricity in power generation energy resource area i, where, Respectively represent the primary power generation energy production, installed capacity and power generation;

The primary power generation energy includes wind energy, solar energy, coal, natural gas, water energy, and uranium;

Y ⁱ represents the demand for all kinds of primary power generation energy, installed capacity and electricity in area i, and Y is called the power generation energy related demand vector;

A ⁱ represents the direct consumption coefficient matrix among various primary energy sources, installed capacity, and generated electricity in area i;

The objective function establishes a submodule, which is used to select the minimum cost of power generation energy supply in the preset area as the objective function of the input-output balance equation:

in: λ∈Λ, represents the number of coal/gas/power transmission channels constructed on the u-th energy transmission alternative channel after optimization;

Φ _λ is the cost vector of the energy transmission channel, including the cost of the transmission channel of electricity, coal and gas energy;

The constraint condition determining submodule is used to determine the constraint condition of the objective function according to preset conditions;

The constraint conditions include satisfying the power generation energy input-output balance equation; the power generation energy production is below the upper limit of production; the rated transmission capacity of the energy transmission alternative channel meets the energy transmission demand; the economic distance of the energy transmission channel can cover area i and Region j; the renewable energy power of the selected power generation energy resource region i meets the quota requirements of electricity demand; the primary energy and electricity used in the power generation energy resource region j are composed of local and non-j regional transmission and transfer;

The optimization model establishment sub-module is used to establish a multi-region power generation energy optimization model according to the objective function and constraints.

Preferably, as an implementable manner, the solution module includes an analysis submodule;

The analysis sub-module is used to obtain the optimal solution of the branch configuration matrix C _b by using the multi-regional power generation energy optimization model, and analyze the power generation energy area j in the branch configuration matrix C _b of the optimal solution The proportion of coal and natural gas power generation energy received from the receiving end of the uth channel to the total amount of coal and natural gas power generation energy used in the power generation energy area, and the proportion of electric energy received from the uth channel receiving end in the power generation energy area j The proportion of the total electric energy used in the power generation energy area and the proportion of each type of electric energy in the power generation energy area j to the total electric energy.

The beneficial effects of the present invention include:

The present invention provides a method and system for multi-regional power generation energy development and transportation optimization planning and processing. For the first time, the multi-regional input-output theory is introduced into the field of power generation energy planning and applied to the establishment of multi-regional power generation energy optimization models. Calculate the power generation energy and the transmission of electric energy between the various power generation energy areas in the preset area, and the establishment of energy transmission pipelines between the various power generation energy areas, and aim at the minimum total development cost to obtain the power generation energy areas in the preset area The investment of various power generation energy development costs within the region, and the energy flow ratio between various power generation energy areas, realize the optimal allocation of power generation energy development and energy transportation patterns in the preset area.

Description of drawings

Fig. 1 is a schematic flow chart of a specific embodiment of the method for multi-regional power generation energy development and transportation optimization planning processing of the present invention;

Fig. 2 is a structural schematic diagram of a specific embodiment of the system for multi-regional power generation energy development and transportation optimization planning processing of the present invention;

Fig. 3 is a schematic diagram of the processing process of a specific embodiment of the system for multi-regional power generation energy development and transportation optimization planning processing according to the present invention.

detailed description

The specific implementation of the method and system for multi-regional power generation energy development and transportation optimization planning processing of the present invention will be described below with reference to the accompanying drawings.

The method and system for multi-regional power generation energy development and transportation optimization planning and processing of the present invention, the method and system for optimizing power generation energy and electric energy transportation based on the principle of minimum supply, accelerate the development of large-scale renewable energy bases and distributed energy sources, and reduce air pollution In the context of prevention and control, study the scale and layout of my country's future power generation energy development and transportation.

An embodiment of the present invention provides a method for multi-regional power generation energy development and transportation optimization planning processing, as shown in FIG. 1 , which specifically includes the following steps:

S100. Obtain energy resource endowment information in a preset area, and divide the preset area into m power generation energy resource areas; wherein, m is a positive integer;

S200, obtain energy resource endowment information in each power generation energy resource region, and construct a candidate set Ω _Λ of energy transmission channels across power generation energy resource regions in the preset region;

S300, establishing a power generation energy input-output balance equation, establishing constraint conditions through comprehensive power system operating parameters and resource endowment information, selecting the minimum power generation energy supply cost in a preset region as the objective function, and establishing a multi-regional power generation energy optimization model;

S400, using the multi-regional power generation energy optimization model to obtain the optimal solution of the branch configuration matrix, power generation energy-related production vector, power generation energy-related demand vector and transmission type, and analyze the data information in the optimal solution to obtain Optimization Results;

Wherein, the power generation energy includes but is not limited to one or more combinations of nuclear power, hydropower, wind energy, natural gas, solar energy, coal, and biomass energy.

The resource endowment information includes information on the installed capacity of power generation energy per MW, and the self-consumption rate of power plants for power generation energy. Resource endowment information is common knowledge in this field, and will not be described in detail here.

When the embodiment of the present invention is actually implemented, the above steps can be completed by a system for multi-region power generation energy development and transportation optimization planning and processing. The above steps are described in detail below:

Preferably, as an implementable manner, the above step S100 specifically includes the following steps:

S110. Select a two-dimensional preset area map as the object of the area division of power generation energy resources in the preset area, obtain endowment information of power generation energy resources in the preset area, and convert the two-dimensional preset area map according to the endowment information of power generation energy resources Divide into m power generation energy resource areas;

The preset region map is used as the object of regional division of power generation energy resources in the preset region. In the embodiment of the present invention, the mainland China region is used as the preset region to be studied. According to the resource endowment situation of each region in the mainland China region, the mainland China region The region is divided into m power generation energy resource regions. In each power generation energy resource region, coal, natural gas, wind energy, solar energy, hydropower, nuclear power and other similar power generation energy development conditions and power generation efficiency are similar. From the map, the divided single power generation energy area is connected and is a convex set.

S120. Calculate the linear distance su between the center of gravity of a power generation energy resource region i and the center of gravity of another power generation energy resource region j within the preset region, where ^u is a natural number.

For each power generation energy resource area that has been divided, calculate the distance between any pair of power generation energy resource areas, using s ^u . For the sake of simplicity of calculation, in the embodiment of the present invention, the linear distance between the center of gravity of one power generation energy resource region i and the center of gravity of another power generation energy resource region j on the two-dimensional preset region map is calculated, and according to the two-dimensional preset region The scale of the map converts the actual distance ^su between the two power generation energy resource areas.

S130, extracting the unit installed cost, plant power consumption rate, power generation efficiency, maximum production limit, maximum installed capacity limit, and maximum power generation limit of each type of power generation energy in the power generation energy resource area in the preset area, and the power generation energy The power demand of the resource area.

The power demand in each power generation energy resource area and various development costs of power generation energy development are extracted, so that the power generation energy input-output balance equation can be constructed based on the extracted information.

Preferably, as an implementable manner, the above step S200 specifically includes the following steps:

S210, selecting the transmission type of the power system as an element, constructing a transmission type set Γ, and constructing alternative transmission channels across power generation energy resource areas in the preset area;

Note that λ _c , λ _g , and λ _e represent the coal transportation channel, the gas transportation channel and the electricity transmission channel respectively, Λ={λ _c , λ _g ,λ _e }. If there is a possibility of establishing an energy transmission channel λ between the power generation energy area i and the power generation energy area j, write down the power transmission alternative channel between the power generation energy area i and the power generation energy area j as

Transmission channel Under the transmission type γ _u , γ _u ∈ Γ, its power transmission capacity is Rated utilization hours H _γu , the minimum economic transportation distance is The maximum economical transport distance is Transmission loss and cost respectively in, is the cost per kilometer and line loss of transmission type γ _u under channel u, is the cost and loss of the converter station or substation of the transmission type γ _u under the channel u, is the transmission tortuosity coefficient. For existing transmission channels that do not need to be newly built, Note that the transmission capacity vector of the cross-generation energy resource area transmission alternative channel set in the preset area is The cost vector is

S220, for the coal and gas resources that need to be transported between power generation energy resource regions, establish corresponding alternative channels for coal and gas transmission across power generation energy resource regions;

Denote the coal or gas transmission alternative channel between power generation energy area i and power generation energy area j as λ∈{λ _c ,λ _g }, the delivery capacity is The minimum economic transportation distance is The maximum economical transport distance is The transportation loss and construction cost are respectively with in, with are the unit kilometer loss and construction cost of non-transmission channels such as coal transportation channels and gas transportation pipelines, is channel/pipe tortuosity. For coal or gas transportation pipeline channels that do not need to be newly built, Note that the transportation capacity vector of the candidate set of coal transportation channels is The cost vector is The transportation capacity vector of the candidate set of gas transportation channels is The cost vector is

S230. Merge the set of candidate transmission channels across power generation energy resource areas and the candidate coal and gas transmission channels across power generation energy resource areas to form a candidate set of energy transmission channels across power generation energy resource areas in the preset area _ΩΛ .

Indicates that there is the possibility of establishing one or more of coal transportation channels, gas transportation channels and power transmission channels between regions i and j, that is, i, j∈[1 m], they are collectively referred to as the u-th energy transportation alternative channel. remember u∈[1 l], |Ω _Λ |=l. Indicates the coal/gas/power transmission channel in the u-th energy transport alternative channel, and its transport direction is uniquely determined according to the type of energy transport channel, whether it is from power generation energy area i to power generation energy area j, or from area j to area i.

Preferably, as an implementable manner, the above step S300 specifically includes the following steps:

S310, using the balance relationship between power generation energy development in the power generation energy resource region and energy transmission and energy consumption between power generation energy resource regions, to establish a power generation energy input-output balance equation:

AX+C _n WC _b Y=X (1)

in,

A is the direct consumption coefficient matrix,

W is the delivery configuration matrix,

C _n is the area configuration matrix,

C _b is the branch configuration matrix,

X is the production vector related to power generation energy,

Y is the energy-related demand vector for power generation,

P={w _p ,s _p ,c _p ,g _p ,h _p ,n _p }; G={w _g ,s _g ,c _g ,g _g ,h _g ,n _g }; E={w _e , s _e , c _e , g _e , he _e , ne _e }; i, j∈[1m], u∈[1 l];

P represents the collection of wind energy, solar energy, coal, natural gas, hydropower, uranium and other primary power generation energy, and the units corresponding to the collection elements are their physical quantity units;

G represents the collection of wind power, solar power, coal power, gas power, hydropower and nuclear power installed capacity, and the unit of the corresponding set elements is million kW;

E represents the collection of wind power, solar power, coal power, gas power, hydropower and nuclear power generation, and the unit of the corresponding set elements is million kW h;

X ⁱ represents the production of primary power generation energy, installed capacity and electricity in power generation energy resource area i, where, Respectively represent the primary power generation energy production, installed capacity and power generation;

The primary power generation energy includes wind energy, solar energy, coal, natural gas, water energy, and uranium;

Y ⁱ represents the demand for various types of primary power generation energy, installed capacity and electricity in area i, and Y is called the related demand vector of power generation energy, where, from the perspective of user demand, what is used is electricity, and installed capacity and primary energy have no use value. therefore Dimensions and same. Indicates wind power, solar power, coal power, gas power, hydropower and nuclear power generation. Under the requirements of the renewable energy consumption quota system, with The ratio of the sum to the power demand of region i meets certain requirements. Y is called the generation energy related demand vector.

A ⁱ represents the direct consumption coefficient matrix among various primary energy sources, installed capacity, and generated electricity in area i.

in, Indicates the direct consumption coefficient between each primary power generation energy, for example, if coal-to-gas power generation is considered, its element Indicates the direct coal consumption coefficient for producing one unit of gas. Indicates the consumption coefficient of primary power generation energy for the production of one unit of electricity, for example, the matrix element Indicates the coal consumption per unit of coal-fired electricity; for renewable primary power generation energy, regardless of its consumption, Indicates the installed capacity per unit of electricity. Indicates the plant power consumption rate.

The regional configuration matrix C _n is a 18m×18l dimensional "node-branch" correlation matrix. in, like but like but like but like but Since the installed machine cannot be transported, the where i=[1 m], u=[1 l], Dimensions and consistent. {C _n }={0,1}, in matrix C _n , other unmentioned elements are 0.

The branch configuration matrix C _b is a 18l×18m-dimensional "branch-node" correlation matrix. in, like but Indicates the proportion of the coal and natural gas used in area j received from the receiving end of the uth channel to the total consumption in the area, like but Indicates the proportions of wind power, solar power, coal power, gas power, hydropower and nuclear power received from the receiving end of the uth channel in the region j to the total use in the region, Since the installed machine cannot be transported, the where i=[1m], u=[1l], Dimensions and consistent. In the matrix C _b , the other unmentioned elements are 0.

The transmission configuration matrix W is 18l×18l dimensional, and the Wu coefficient matrix represents the unit energy and power transmitted on the ^uth channel and the corresponding consumption. in, Since the installed machine cannot be transported, the where u=[1 l], Dimensions and consistent. In the matrix W, the rest of the unmentioned elements are 0.

S320, selecting the minimum cost of power generation energy supply in the preset area as the objective function of the input-output balance equation:

in,

Indicates the unit fuel cost of primary power generation energy produced in area i, and the fuel cost of renewable energy is 0, Indicates the million kW fixed investment of the corresponding primary power generation installed capacity in area i. Indicates that in area i, the external environmental cost corresponding to the unit electricity of power generation energy is generated.

λ∈Λ, represents the number of coal/gas/power transmission channels built on the uth energy transportation alternative channel after optimization.

Φ _λ is the cost vector of energy transmission channels, including the cost of transmission channels for electricity, coal and gas energy.

S330. Determine constraints of the objective function according to preset conditions;

The constraint conditions include satisfying the power generation energy input-output balance equation; the power generation energy production is below the upper limit of production; the rated transmission capacity of the energy transmission alternative channel meets the energy transmission demand; the economic distance of the energy transmission channel can cover area i and Region j; the renewable energy power of the selected power generation energy resource region i meets the quota requirements of electricity demand; the primary energy and electricity used in the power generation energy resource region j are composed of local and non-j regional transmission and transfer.

The preset conditions include conditions such as the proportion of electricity generated by renewable energy to total electricity demand.

The constraints corresponding to formula (2) in the embodiment of the present invention include:

X=(IA) ^-1 C _n WC _b Y (3)

X ≤ X _max (4)

in, Indicates the unit fuel cost of primary power generation energy produced in area i, and the fuel cost of renewable energy is 0, Indicates the million kW fixed investment of the corresponding primary power generation installed capacity in area i. Indicates that in area i, the external environmental cost corresponding to the unit electricity of power generation energy is generated. λ∈Λ, represents the number of coal/gas/power transmission channels built on the uth energy transportation alternative channel after optimization. D ⁱ represents the power demand of area i, and α ⁱ represents the quota percentage of renewable energy power in area i.

Constraint (3) is obtained through the power generation energy input-output balance equation; constraint (4) means that the production volume is less than the upper limit constraint; constraints (5)-(7) mean that the rated transmission capacity of the energy transmission alternative channel u meets the energy transmission demand; Constraint (5) means that the total electricity delivered from the non-local power generation energy area to the power generation energy area j through channel u is less than the total electricity demand in the local area; constraint (6) means that the non-local power generation energy area is transported to the power generation energy source through channel u The total amount of coal in region j is not greater than the total coal consumption for power generation in this region; Constraint (7) means that the total amount of gas transported from non-local power generation energy regions to power generation energy region j through channel u is not greater than the total gas consumption for power generation in this region Constraints (8) and (9) indicate that the economic distance of the selected energy transmission channel type can cover the power generation energy area area i and the power generation energy area j; Constraint (10) indicates that the renewable energy in area i meets the electricity demand Quota requirements; Constraint (11) indicates that the primary energy and electricity used in area j are composed of local and non-j area transfers.

S340. Establish a multi-region power generation energy optimization model according to the objective function and constraint conditions.

The first item of the objective function (2) is the fuel cost of various types of power generation, the investment in power installed capacity and the external cost of power generation, and the second item is the construction cost of the energy transportation channel.

Preferably, as an implementable manner, the above step S400 specifically includes the following steps:

S410, using the multi-region power generation energy optimization model to obtain the optimal solution of the branch configuration matrix C _b , and analyze the coal and natural gas power generation used in the power generation energy region j in the branch configuration matrix C _b of the optimal solution The proportion of energy received from the receiving end of the uth channel to the total amount of coal and natural gas power generation energy used in the power generation energy area, and the electric energy received from the receiving end of the uth channel in the power generation energy area j to the electric energy used in the power generation energy area The proportion of the total amount and the proportion of each type of electric energy to the total amount of electric energy in the power generation energy area j.

In the objective function (2), X is the production vector related to power generation energy, and X _max represents the upper limit of X. Y is called the generation energy related demand vector. According to the balance equation (1), Y ⁱ represents the demand for various primary power generation energy, installed capacity and electricity in region i. From the perspective of user demand, the electricity is used, and the installed capacity and primary energy have no use value. Therefore Dimensions and same. Indicates wind power, solar power, coal power, gas power, hydropower and nuclear power generation. Under the requirements of the renewable energy consumption quota system, with The ratio of the sum to the power demand of region i meets certain requirements.

The method for multi-regional power generation energy development and transportation optimization planning processing in the embodiment of the present invention establishes constraint conditions through comprehensive power system operating parameters and resource endowment information in power transmission types, and selects the minimum value of the total development cost nationwide in the input-output balance equation As an objective function, establish a multi-regional power generation energy optimization model; use the multi-regional power generation energy optimization model to obtain power generation energy-related production vector X, branch configuration matrix C _b and The optimal solution of other elements of the power generation energy-related demand vector Y realizes the optimal allocation of power generation energy development and transportation patterns in the preset area. Among them, in the demand vector Y ⁱ , except Besides, other elements are given. According to the multi-area power generation energy optimization model, solve the unspecified value in Y ⁱ element.

Among them, use exhaustive search method or genetic algorithm to solve (or use computer software to solve, such as using MATLAB and C++ programming), and analyze the data information in the optimal solution to optimize the multi-regional power generation energy development and transportation mode , which is of great significance to realize the most reasonable scale and layout of centralized and decentralized development of power generation energy and transportation.

Among them, in the embodiment of the present invention, for the first time, the multi-regional input-output theory is introduced into the field of power generation energy planning, and applied to establish a multi-regional power generation energy optimization model. The present invention aims to provide an optimization method for analyzing the scale and layout of the centralized and decentralized development modes of national power generation energy based on the principle of minimizing the development cost of power generation energy throughout the country.

In the embodiment of the present invention, the power generation energy and the transmission of electric energy between the various power generation energy areas in the preset Chinese mainland area are calculated, and the establishment of energy transmission pipelines between the various power generation energy areas is calculated, with the goal of minimizing the total development cost, and the obtained The input of various power generation energy development costs in each power generation energy area in the preset area, and the energy flow ratio between each power generation energy area, realize the optimal allocation of power generation energy development and energy transportation pattern in the preset area.

Based on the same inventive concept, the embodiment of the present invention also provides a multi-regional power generation energy development and transportation optimization planning processing system. Since the problem-solving principle of this system is similar to the aforementioned multi-regional power generation energy development and transportation optimization planning processing method, Therefore, the implementation of the system can refer to the implementation of the aforementioned method, and the repetition will not be repeated.

An embodiment of the present invention provides a multi-regional power generation energy development and transportation optimization planning processing system, the optimization system is applied to the optimization and configuration of power generation energy development and transportation modes in the power system, as shown in Figure 2, including regional division module 100, set building module 200, modeling module 300 and solving module 400, wherein:

The area division module 100 is used to obtain energy resource endowment information of a preset area, and divide the preset area into m power generation energy resource areas; wherein, m is a positive integer;

The set construction module 200 is used to obtain energy resource endowment information in each power generation energy resource region, and construct a candidate set Ω _Λ of energy transmission channels across power generation energy resource regions in a preset region;

The modeling module 300 is used to establish a power generation energy input-output balance equation, establish constraint conditions through comprehensive power system operating parameters and resource endowment information, select the minimum power generation energy supply cost in a preset area as the objective function, and establish a multi-regional power generation Energy optimization model;

The solving module 400 is used to use the multi-regional power generation energy optimization model to obtain the optimal solution of the branch configuration matrix, power generation energy-related production vector, power generation energy-related demand vector and transmission type, and analyze the optimal solution The data information in to get the optimization result;

Wherein, the power generation energy includes but not limited to one or more combinations of nuclear power, hydropower, wind energy, natural gas, solar energy, coal, and biomass energy; resource endowment information includes information on installed capacity of power generation energy per megawatt, power generation energy plant self-consumption rate.

Preferably, as an implementable manner, the area division module 100 includes a division submodule 110, a distance calculation submodule 120, and an information extraction submodule 130, wherein:

The division sub-module 110 is used to select a two-dimensional preset area map as the object of the area division of power generation energy resources in the preset area, obtain endowment information of power generation energy resources in the preset area, and divide the endowment information of power generation energy resources in the preset area according to the endowment information of power generation energy resources The two-dimensional preset area map is divided into m power generation energy resource areas;

The distance calculation sub-module 120 is used to calculate the linear distance ^u between the barycenter of a power generation energy resource area i and the barycenter of another power generation energy resource area j on the two-dimensional preset area map;

Among them, u is a natural number;

The information extraction sub-module 130 is used to extract the unit installed cost, plant power consumption rate, power generation efficiency, maximum production upper limit, maximum installed capacity upper limit and maximum power generation of each type of power generation energy in the power generation energy resource area in the preset area. The upper limit of the amount, and the electricity demand of the power generation energy resource area.

Preferably, as an implementable manner, the set building module 200 includes a power transmission channel set building sub-module 210 , a coal and gas resource channel set building sub-module 220 , and a set merging sub-module 230 .

The transmission channel set construction sub-module 210 is used to select the transmission type of the power system as an element, construct a transmission type set Γ, and construct alternative transmission channels across power generation energy resource areas in a preset area.

The coal and gas resource channel set construction sub-module 220 is used to establish corresponding alternative channels for coal and gas transmission across power generation energy resource areas for coal and gas resources that need to be transported between power generation energy resource areas.

The set merging sub-module 230 is used for merging the set of alternative channels for power transmission across power generation energy resource areas and the candidate channels for coal and gas transmission across power generation energy resource areas to form a cross-generation energy source within the preset area. Alternative set Ω _Λ of resource area energy transmission channel.

Preferably, as an implementable manner, the modeling module 300 includes a balance equation establishing submodule 310 , an objective function establishing submodule 320 , a constraint condition determining submodule 330 , and an optimization model establishing submodule 340 .

The balance equation establishes a sub-module, which is used to establish a power generation energy input-output balance equation by utilizing the balance relationship between power generation energy development in the power generation energy resource area and energy transmission and energy consumption between power generation energy resource areas:

AX+C _n WC _b Y=X

in,

A is the direct consumption coefficient matrix,

W is the delivery configuration matrix,

C _n is the area configuration matrix,

C _b is the branch configuration matrix,

X is the production vector related to power generation energy,

Y is the energy-related demand vector for power generation,

P={w _p ,s _p ,c _p ,g _p ,h _p ,n _p }; G={w _g ,s _g ,c _g ,g _g ,h _g ,n _g }; E={w _e , s _e , c _e , g _e , he _e , ne _e }; i, j∈[1m], u∈[1 l];

P represents the collection of wind energy, solar energy, coal, natural gas, hydropower, uranium and other primary power generation energy, and the units corresponding to the collection elements are their physical quantity units;

G represents the collection of wind power, solar power, coal power, gas power, hydropower and nuclear power installed capacity, and the unit of the corresponding set elements is million kW;

E represents the collection of wind power, solar power, coal power, gas power, hydropower and nuclear power generation, and the unit of the corresponding set elements is million kW h;

X ⁱ represents the production of primary power generation energy, installed capacity and electricity in power generation energy resource area i, where, Respectively represent the primary power generation energy production, installed capacity and power generation;

The primary power generation energy includes wind energy, solar energy, coal, natural gas, water energy, and uranium;

Y ⁱ represents the demand for all kinds of primary power generation energy, installed capacity and electricity in area i, and Y is called the power generation energy related demand vector;

A ⁱ represents the direct consumption coefficient matrix among various primary energy sources, installed capacity, and generated electricity in area i;

The objective function establishes a submodule, which is used to select the minimum cost of power generation energy supply in the preset area as the objective function of the input-output balance equation:

in: λ∈Λ, represents the number of coal/gas/power transmission channels constructed on the u-th energy transmission alternative channel after optimization;

Φ _λ is the cost vector of the energy transmission channel, including the cost of the transmission channel of electricity, coal and gas energy;

The constraint condition determining submodule is used to determine the constraint condition of the objective function according to preset conditions;

The constraint conditions include satisfying the power generation energy input-output balance equation; the power generation energy production is below the upper limit of production; the rated transmission capacity of the energy transmission alternative channel meets the energy transmission demand; the economic distance of the energy transmission channel can cover area i and Region j; the renewable energy power of the selected power generation energy resource region i meets the quota requirements of electricity demand; the primary energy and electricity used in the power generation energy resource region j are composed of local and non-j regional transmission and transfer;

The optimization model establishment sub-module is used to establish a multi-region power generation energy optimization model according to the objective function and constraints.

Preferably, as an implementable manner, the solution module 400 includes an analysis sub-module 410;

The analysis sub-module is used to obtain the optimal solution of the branch configuration matrix C _b by using the multi-regional power generation energy optimization model, and analyze the power generation energy area j in the branch configuration matrix C _b of the optimal solution The proportion of coal and natural gas power generation energy received from the receiving end of the uth channel to the total amount of coal and natural gas power generation energy used in the power generation energy area, and the proportion of electric energy received from the uth channel receiving end in the power generation energy area j The proportion of the total electric energy used in the power generation energy area and the proportion of each type of electric energy in the power generation energy area j to the total electric energy.

In one embodiment, the process of using the multi-regional power generation energy development and transportation optimization planning processing system of the embodiment of the present invention to perform the optimization process of the preset regional power generation energy development mode is shown in Figure 3, including the following steps:

A100, input the pre-collected power generation energy related information in the preset area;

The relevant information includes policy information related to energy and environmental protection, learning curves for construction and maintenance costs of coal power, wind power, and solar power generation, the development potential of electric energy resources in various regions, development layout information such as hydropower and nuclear power, and electricity demand in various regions in preset regions. Environmental external costs of fossil energy such as coal electricity and gas electricity, mainly fuel costs, transportation costs and transportation losses of coal and electricity transmission between sending and receiving ends, information on existing energy transportation channels, and electricity flows such as hydropower and nuclear power.

A200, according to the constructed multi-area power generation energy optimization model, based on the comparison of economic costs, solve the development mode of the preset area;

Based on the comparison of economic costs, solve the centralized and decentralized development modes of wind power and solar power generation in the preset area, the transmission of wind power and solar power generation, as well as the transmission of coal power and the transportation of thermal coal.

Combined with the power transmission of multi-energy generation, solve the multi-generation energy power public transmission channel, and carry out a reasonable electrical layout.

A300, output the overall pattern of development and transportation of power generation energy resources in the preset area.

The method and system for multi-area power generation energy development and transportation optimization planning and processing provided by the embodiments of the present invention, under the conditions of safe operation of the power system and rational layout development, pursue the minimum total development cost nationwide, and realize the final analysis nationwide The inter-regional configuration data information of the optimal regional configuration plan with the smallest total cost within the development, so as to ensure the most reasonable optimization of the scale and layout of the national power generation energy development model.

The above-mentioned embodiments only express several implementation modes of the present invention, and the description thereof is relatively specific and detailed, but should not be construed as limiting the patent scope of the present invention. It should be pointed out that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims.

Claims (10)

1. A method for multi-region power generation energy development and transportation optimization planning processing is characterized by comprising the following steps:

s100, acquiring intrinsic information of energy resources in a preset area, and dividing the preset area into m power generation energy resource areas; wherein m is a positive integer;

s200, acquiring intrinsic information of energy resources in each power generation energy resource region, and constructing an alternate set omega of power transmission channels crossing the power generation energy resource region in a preset region_Λ；

S300, establishing a power generation energy input and output balance equation, establishing constraint conditions by integrating power system operation parameters and resource endowment information, selecting the minimum power generation energy supply cost in a preset region as a target function, and establishing a multi-region power generation energy optimization model; the method comprises the steps of establishing a balance equation of input and output of power generation energy by utilizing power generation energy development in a power generation energy resource region and a balance relation between energy transmission and energy consumption between power generation energy resource regions; selecting the minimum power generation energy supply cost in a preset area as an objective function of the input-output balance equation; determining a constraint condition of the objective function according to a preset condition; establishing a multi-region power generation energy optimization model according to the objective function and the constraint condition;

s400, obtaining an optimal solution of a branch configuration matrix, a power generation energy related production vector, a power generation energy related demand vector and a power transmission type by using the multi-region power generation energy optimization model, and analyzing data information in the optimal solution to obtain an optimization result;

wherein, the power generation energy comprises but is not limited to one or the combination of more of nuclear power, water energy, wind energy, natural gas, solar energy, coal and biomass energy; the resource endowment information comprises unit megawatt power generation energy installation information and self power utilization rate of a power generation energy power plant.

2. The method for multi-region generation energy development and transportation optimization planning process of claim 1, wherein the step S100 comprises the steps of:

s110, selecting a two-dimensional preset area map as an object for dividing a preset area power generation energy resource area, acquiring preset area power generation energy resource endowment information, and dividing the two-dimensional preset area map into m power generation energy resource areas according to the power generation energy resource endowment information;

s120, calculating a linear distance S from the gravity center of one power generation energy resource region i to the gravity center of the other power generation energy resource region j in the preset region^u；

Wherein u is a natural number;

and S130, refining the unit installed cost, the plant power consumption rate, the power generation efficiency, the maximum production upper limit, the maximum installed upper limit and the maximum power generation upper limit of each type of power generation energy in the power generation energy resource area in the preset area, and the electric quantity demand of the power generation energy resource area.

3. The method for multi-region generation energy development and transportation optimization planning process of claim 2, wherein the step S200 comprises the steps of:

s210, selecting a power transmission type of a power system as an element, constructing a power transmission type set, and constructing a power transmission alternative channel crossing a power generation energy resource region in a preset region;

s220, building corresponding alternative channels for conveying coal and gas across the power generation energy resource areas for the coal and gas resources needing energy conveying among the power generation energy resource areas;

s230, combining the power transmission alternative channel set across the power generation energy resource region and the coal and gas transmission alternative channels across the power generation energy resource region to form an alternative energy transmission channel set omega across the power generation energy resource region in the preset region_Λ。

4. The method for multi-regional generation energy development and transportation optimization planning process of claim 3, wherein the step S300 comprises the steps of:

s310, establishing a balance equation of input and output of the power generation energy by utilizing the balance relationship between power generation energy development in the power generation energy resource region and energy transmission and energy consumption between the power generation energy resource regions:

AX+C_nWC_bY＝X

wherein,

a is a matrix of direct consumption coefficients,

w is a matrix of the delivery configuration,

C_na matrix is configured for the region(s),

C_ba matrix is configured for the branches and,

x is a vector of the related production of the power generation energy,

y is a vector of the related demand of the power generation energy,

P＝{w_p,s_p,c_p,g_p,h_p,n_p}；G＝{w_g,s_g,c_g,g_g,h_g,n_g}；E＝{w_e,s_e,c_e,g_e,h_e,n_e}；i,j∈[1m]，u∈[1 l]；

p represents a set of wind energy, solar energy, coal, natural gas, hydroenergy and uranium primary power generation energy, and the units of corresponding set elements are the physical units of the elements respectively;

g represents a set of wind power, solar power generation, coal power, gas power, water power and nuclear power installation, and units of corresponding set elements are million kW;

e represents the collection of wind power, solar power generation, coal power, gas power, water power and nuclear power generation electric quantity, and the units of corresponding collection elements are all million kW.h;

Xⁱrepresents the amount of production of primary power generation energy, installation and electric quantity in the power generation energy resource region i, wherein,respectively representing the production capacity, installed capacity and generated electricity quantity of primary generated energy;

the primary power generation energy comprises wind energy, solar energy, coal, natural gas, hydroenergy and uranium;

Yⁱthe demand quantity of various primary power generation energy sources, installed machines and electric quantity of the region i is represented, and Y is called as a power generation energy source related demand vector;

Aⁱrepresenting a direct consumption coefficient matrix among various primary energy sources, installed capacity and generated electricity quantity of the region i;

l represents the number of the energy source transmission alternative channel sets;

s320, selecting the minimum power generation energy supply cost in a preset area as an objective function of the input-output balance equation:

${\mathrm{minQ}}^{T}X+\underset{\mathrm{\λ}\∈\mathrm{\Λ}}{\Σ}{N_{\mathrm{\λ}}}^T{\mathrm{\Φ}}_{\mathrm{\λ}}$

wherein:lambda ∈Λ, which represents the number of coal/gas/power transmission channels built on the u-th energy transmission alternative channel after optimization, lambda is a channel, Λ is a set of channels, Q is supply cost except channel cost, and T represents matrix transposition;

Φ_λthe cost vector of the energy transmission channel comprises the cost of the transmission channel of the electric power, coal and gas energy;

s330, determining constraint conditions of the objective function according to preset conditions;

the constraint condition comprises that the power generation energy input-output balance equation is satisfied; the production amount of the power generation energy is below the upper limit of production; the rated transmission capacity of the alternative energy transmission channel meets the energy transmission requirement; the economic distance of the energy transmission channel can cover the area i and the area j; the renewable energy electric quantity of the selected power generation energy resource region i meets the quota requirement of the electric quantity demand; primary energy and electric power used by the power generation energy resource region j are jointly transmitted and called by local and non-j regions;

and S340, establishing a multi-region power generation energy optimization model according to the objective function and the constraint condition.

5. The method for multi-regional generation energy development and transportation optimization planning process of claim 4, wherein step S400 comprises the steps of:

s410, using the multi-region power generation energy optimization model to obtain a branch configuration matrix C_bAnd analyzing a branch configuration matrix C of the optimal solution_bThe proportion of the total amount of the coal and natural gas power generation energy used by the middle power generation energy region j, which is received from the u-th channel receiving end, in the power generation energy region is the proportion of the total amount of the coal and natural gas power generation energy used by the power generation energy region, the proportion of the electric energy received from the u-th channel receiving end in the power generation energy region j in the total amount of the electric energy used by the power generation energy region is the proportion of each type of electric energy in the power generation energy region j in the total amount of the electric energy.

6. The utility model provides a system that multizone power generation energy development and transportation optimization planning handled which characterized in that, includes regional division module, set construction module, modeling module and solves the module, wherein:

the region dividing module is used for acquiring the intrinsic information of energy resources in a preset region and dividing the preset region into m power generation energy resource regions; wherein m is a positive integer;

the set construction module is used for acquiring the intrinsic energy resource information of each power generation energy resource region and constructing an alternate set omega of power transmission channels crossing the power generation energy resource region in a preset region_Λ；

The modeling module is used for establishing a power generation energy input and output balance equation, establishing constraint conditions by integrating power system operation parameters and resource endowment information, selecting the minimum power generation energy supply cost in a preset region as a target function, and establishing a multi-region power generation energy optimization model; the modeling module comprises a balance equation establishing submodule, an objective function establishing submodule, a constraint condition determining submodule and an optimization model establishing submodule, wherein:

the balance equation establishing submodule is used for establishing a balance equation of input and output of the generating energy by utilizing the balance relation between the development of the generating energy in the generating energy resource region and the energy transmission and energy consumption between the generating energy resource regions; the objective function establishing submodule is used for selecting the minimum power generation energy supply cost in a preset area as an objective function of the input-output balance equation; the constraint condition determining submodule is used for determining the constraint condition of the target function according to a preset condition; the optimization model establishing submodule is used for establishing a multi-region power generation energy optimization model according to the objective function and the constraint condition;

the solving module is used for obtaining an optimal solution of a branch configuration matrix, a power generation energy related production vector, a power generation energy related demand vector and a power transmission type by using the multi-region power generation energy optimization model, and analyzing data information in the optimal solution to obtain an optimization result;

wherein, the power generation energy comprises but is not limited to one or the combination of more of nuclear power, water energy, wind energy, natural gas, solar energy, coal and biomass energy; the resource endowment information comprises unit megawatt power generation energy installation information and self power utilization rate of a power generation energy power plant.

7. The system of multi-zone power generation energy development and transportation optimization planning process of claim 6, wherein the zone partitioning module comprises a partitioning sub-module, a distance calculation sub-module, and an information refinement sub-module, wherein:

the dividing submodule is used for selecting a two-dimensional preset area map as an object for dividing a preset area power generation energy resource area, acquiring preset area power generation energy resource endowment information, and dividing the two-dimensional preset area map into m power generation energy resource areas according to the power generation energy resource endowment information;

the distance calculation submodule is used for calculating a linear distance s between the gravity center of one power generation energy resource region i on the two-dimensional preset region map and the gravity center of the other power generation energy resource region j^u；

Wherein u is a natural number;

the information refining submodule is used for refining the unit installed cost, the plant power consumption rate, the power generation efficiency, the maximum production upper limit, the maximum installed upper limit and the maximum power generation amount upper limit of each type of power generation energy in the power generation energy resource area in the preset area and the electric quantity demand of the power generation energy resource area.

8. The system of multi-zone power generation energy development and transportation optimization planning process of claim 7, wherein the aggregate building module comprises a power transmission channel set building submodule, a coal and gas resource channel set building submodule, and an aggregate consolidation submodule, wherein:

the power transmission channel set construction submodule is used for selecting a power transmission type of a power system as an element, constructing a power transmission type set and constructing a power transmission alternative channel crossing a power generation energy resource region in a preset region;

the coal and gas resource channel set construction submodule is used for establishing corresponding coal and gas transportation alternative channels crossing the power generation energy resource region for the coal and gas resources needing energy transportation between the power generation energy resource regions;

the set merging submodule is used for merging the cross-power generation energy resource region power transmission alternative channel set and the cross-power generation energy resource region coal and gas transmission alternative channels to form a cross-power generation energy resource region energy transmission channel alternative set omega in the preset region_Λ。

9. The system of multi-zone power generation energy development and transportation optimization planning process of claim 8, wherein the modeling module comprises a balance equation establishing sub-module, an objective function establishing sub-module, a constraint determining sub-module, and an optimization model establishing sub-module, wherein:

the balance equation establishing submodule is used for establishing a balance equation of input and output of the power generation energy by utilizing the balance relation between power generation energy development in the power generation energy resource region and energy transmission and energy consumption between power generation energy resource regions:

AX+C_nWC_bY＝X

wherein,

a is a matrix of direct consumption coefficients,

w is a matrix of the delivery configuration,

C_na matrix is configured for the region(s),

C_ba matrix is configured for the branches and,

x is a vector of the related production of the power generation energy,

y is a vector of the related demand of the power generation energy,

P＝{w_p,s_p,c_p,g_p,h_p,n_p}；G＝{w_g,s_g,c_g,g_g,h_g,n_g}；E＝{w_e,s_e,c_e,g_e,h_e,n_e}；i,j∈[1m]，u∈[1 l]；

p represents a set of wind energy, solar energy, coal, natural gas, hydroenergy and uranium primary power generation energy, and the units of corresponding set elements are the physical units of the elements respectively;

g represents a set of wind power, solar power generation, coal power, gas power, water power and nuclear power installation, and units of corresponding set elements are million kW;

e represents the collection of wind power, solar power generation, coal power, gas power, water power and nuclear power generation electric quantity, and the units of corresponding collection elements are all million kW.h;

Xⁱrepresents the amount of production of primary power generation energy, installation and electric quantity in the power generation energy resource region i, wherein,respectively representing the production capacity, installed capacity and generated electricity quantity of primary generated energy;

the primary power generation energy comprises wind energy, solar energy, coal, natural gas, hydroenergy and uranium;

Yⁱthe demand quantity of various primary power generation energy sources, installed machines and electric quantity of the region i is represented, and Y is called as a power generation energy source related demand vector;

Aⁱrepresenting a direct consumption coefficient matrix among various primary energy sources, installed capacity and generated electricity quantity of the region i;

l represents the number of the energy source transmission alternative channel sets;

the objective function establishing submodule is used for selecting the minimum power generation energy supply cost in a preset area as an objective function of the input-output balance equation:

${\mathrm{minQ}}^{T}X+\underset{\mathrm{\λ}\∈\mathrm{\Λ}}{\Σ}{N_{\mathrm{\λ}}}^T{\mathrm{\Φ}}_{\mathrm{\λ}}$

wherein:lambda ∈Λ, which represents the number of coal/gas/power transmission channels built on the u-th energy transmission alternative channel after optimization, lambda is a channel, Λ is a set of channels, Q is supply cost except channel cost, and T represents matrix transposition;

Φ_λthe cost vector of the energy transmission channel comprises the cost of the transmission channel of the electric power, coal and gas energy;

the constraint condition determining submodule is used for determining the constraint condition of the target function according to a preset condition;

the constraint condition comprises that the power generation energy input-output balance equation is satisfied; the production amount of the power generation energy is below the upper limit of production; the rated transmission capacity of the alternative energy transmission channel meets the energy transmission requirement; the economic distance of the energy transmission channel can cover the area i and the area j; the renewable energy electric quantity of the selected power generation energy resource region i meets the quota requirement of the electric quantity demand; primary energy and electric power used by the power generation energy resource region j are jointly transmitted and called by local and non-j regions;

and the optimization model establishing submodule is used for establishing a multi-region power generation energy optimization model according to the objective function and the constraint condition.

10. The system for multi-zone generation energy development and transportation optimization planning process of claim 9, wherein the solution module includes an analytic submodule;

the analysis submodule is used for utilizing the multi-region power generation energy optimization model to obtain a branch configuration matrix C_bAnd analyzing a branch configuration matrix C of the optimal solution_bThe proportion of the total amount of the coal and natural gas power generation energy used by the middle power generation energy region j, which is received from the u-th channel receiving end, in the power generation energy region is the proportion of the total amount of the coal and natural gas power generation energy used by the power generation energy region, the proportion of the electric energy received from the u-th channel receiving end in the power generation energy region j in the total amount of the electric energy used by the power generation energy region is the proportion of each type of electric energy in the power generation energy region j in the total amount of the electric energy.