New energy consumption production simulation method and simulation system
By establishing a simulation and optimization model for new energy consumption production in an adaptable market environment, the problem of simulation of new energy and conventional power operating conditions in the power market environment is solved, and the quantitative assessment of new energy consumption capacity and priority consumption of new energy in the power market are realized.
Patent Information
- Application Number
- CN202411637328.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-15
- Publication Date
- 2025-02-28
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
At present, there is a lack of reliable research tools to accurately simulate the operating conditions of new energy and conventional power supplies in the power market environment, and it is difficult to evaluate the operating economy and consumption capacity of new energy in the power market environment.
A new energy consumption production simulation method is adopted to establish a new energy consumption production simulation optimization model that adapts to the market environment. Through this model, the new energy consumption production simulation is carried out. The optimization goal is to minimize the total power generation cost of all power sources in the entire network.
It provides a reliable tool to accurately simulate the operating conditions of new energy and conventional power supplies in the power market environment, realizes a quantitative assessment of the new energy consumption capacity, and promotes the priority consumption and healthy development of new energy in the power market.
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Figure CN119539635A_ABST
Abstract
Description
Technical Field
[0001] The present invention belongs to the technical field of new energy consumption analysis, and specifically relates to a new energy consumption production simulation method and a simulation system. Background Art
[0002] New energy sources, such as wind and solar energy, are clean and renewable, and are important energy sources for achieving energy transformation. However, the volatility and intermittency of new energy sources pose challenges to the stable operation of the power system and the absorption of new energy sources. In recent years, the analysis and evaluation of new energy absorption has become an important research direction for the power system.
[0003] The power market system is of great significance for achieving the optimal dispatch of power resources and promoting the consumption of new energy. In the power market environment, the power generation and operation of new energy and conventional units will undergo major changes. However, there is still a lack of reliable research tools to accurately simulate the operation of new energy and conventional power sources in the power market environment. The economic efficiency of the operation of new energy in the power market environment and the effect of improving the consumption capacity are difficult to quantify and evaluate. Summary of the invention
[0004] The technical problem to be solved by the present invention is that there is still a lack of reliable research tools to accurately simulate the operating conditions of new energy and conventional power sources in the power market environment.
[0005] In order to achieve the above technical objectives, the present invention adopts the following technical solutions:
[0006] A new energy consumption production simulation method, the method establishes a new energy consumption production simulation model, and uses the model to simulate the new energy consumption production; wherein the new energy consumption production simulation model is as follows
[0007] Formula 1 is the objective function:
[0008]
[0009] In the formula, are the wind power, photovoltaic power generation and hydropower generation costs in region n during period t, respectively, in the form of equations 2 to 4; I n is the set of thermal power units in region n, J n is the set of heating units in area n, L n is the set of gas generating units in region n, M n is the set of nuclear power units in region n; are the outputs of thermal power unit i, heating unit j, gas unit l, and nuclear power unit m in region n during period t respectively; It represents the power generation and operation cost of thermal power unit i in region n, as shown in Formula 5; are the single startup cost and shutdown cost of thermal power unit i in region n during period t, respectively, as shown in Equation 6 and Equation 7; is a 0-1 integer variable, Indicates the start-up of thermal power unit i in area n during period t, Indicates that thermal power unit i in area n during period t has not started; is a 0-1 integer variable, Indicates that thermal power unit i in area n is shut down during period t, Indicates that the thermal power unit i in area n during period t is not shut down; represents the power generation and operation cost of heating unit j in area n; and are the single startup cost and shutdown cost of heating unit j in area n during period t, respectively, as shown in Equation 6 and Equation 7; and They are all 0-1 integer variables, representing the start-up and shutdown status of heating unit j in area n during period t; represents the power generation and operation cost of gas unit l in region n, and They are the single startup cost and shutdown cost of gas unit l in area n during period t respectively; and They are all 0-1 integer variables, representing the start-up and shutdown status of heating unit j in area n during period t; represents the power generation and operation cost of nuclear power unit m in region n, and They are the single startup cost and shutdown cost of nuclear power unit m in region n during period t respectively; and They are all 0-1 integer variables, representing the startup and shutdown status of nuclear power unit l in region n during period t;
[0010] C W (t) = λ W ·p W (t)
[0011] Formula 2
[0012] C PV (t) = λ PV ·p PV (t)
[0013] Formula 3
[0014] C H (t) = λ H ·p H (t)
[0015] Formula 4
[0016] In formula 2 and formula 3, CW (t), C PV (t) is the power generation cost of the wind farm and photovoltaic power station in period t, λ W , PV is the marginal cost of wind farms and photovoltaic power plants, p W (t), p PV (t) is the power generation of the wind farm and photovoltaic power station in period t; in formula 4, C H (t) is the power generation cost of the hydropower unit in period t, λ H is the marginal cost of the hydropower unit, p H (t) is the power generation of the hydropower unit in period t;
[0017]
[0018] In formula 5, p G is the output of the thermal power unit, is a 0-1 integer variable, Indicates the output of thermal power unit p G In the range middle;
[0019] C SU =36000+0.04×(S G -300)
[0020] Formula 6
[0021] C SD =12000+0.02×(S G -300)
[0022] Formula 7.
[0023] Preferably, the constraint condition of the new energy consumption production simulation model includes a regional load balance constraint as shown in the following formula 8:
[0024]
[0025]
[0026] in, are the wind power, photovoltaic power generation and hydropower output of region n in period t; L m,n (t) is the transmission power of the tie line between area m and area n during period t; is the load of area n during period t.
[0027] Preferably, the constraint conditions of the new energy consumption production simulation model include system spinning reserve constraints as shown in the following equations 9 and 10:
[0028]
[0029] In the above formula, r U and r D They are respectively the positive and negative spinning reserve capacities that need to be reserved for the entire network; and is the minimum and maximum technical output of thermal power unit i in region n; and is the minimum and maximum technical output of heating unit j in area n; and is the minimum and maximum technical output of gas unit l in area n; and is the minimum and maximum technical output of nuclear power unit m in region n; and is the maximum and minimum technical output of hydropower in region n during period t.
[0030] Preferably, the constraint conditions of the new energy consumption production simulation model include the interconnection line transmission capacity constraints shown in the following equations 11 and 12;
[0031]
[0032] in, is the maximum transmission capacity of the interconnection line between area m and area n.
[0033] Preferably, the constraint conditions of the new energy consumption production simulation model include the output constraint of the thermal power unit as shown in the following formula 13, the output constraint of the heating unit as shown in the following formula 14, and the output constraint of the heating unit as shown in the following formula
[0034] The gas unit output constraint shown in Formula 15 includes the nuclear power unit output constraint shown in Formula 16 below:
[0035]
[0036] in, All are 0-1 integer variables. Indicates that thermal power unit i is in operation during period t, Indicates that it is not running; Indicates that heating unit j is in operation during period t. Indicates that the unit is not running; Indicates that the gas unit l is in operation during the period t. Indicates that the unit is not running; Indicates that nuclear power unit m is in operation during period t. Indicates that the unit is not running.
[0037] Preferably, the constraint conditions of the new energy consumption production simulation model include the thermal power unit climbing constraint as shown in the following formula 17, the heating unit climbing constraint as shown in the following formula 18, and the following formula
[0038] The ramping constraint of the gas generator set shown in Formula 19 includes the ramping constraint of the nuclear generator set shown in Formula 20 below:
[0039]
[0040]
[0041] Among them, Δt is the duration of one scheduling period, is the maximum climbing power of thermal power unit i, is the maximum ramp power of heating unit j, is the maximum climbing power of gas generator set l, is the maximum climbing power of nuclear power unit l.
[0042] Preferably, the constraint conditions of the new energy consumption production simulation model include the operation state logic constraint of the thermal power unit as shown in the following formula 21, the operation state logic constraint of the heating unit as shown in the following formula 22, the operation state logic constraint of the gas unit as shown in the following formula 23, and the operation state logic constraint of the nuclear power unit as shown in the following formula 24:
[0043]
[0044]
[0045] Preferably, the constraints of the new energy consumption production simulation model include the shutdown times of thermal power units, the shutdown times of heating units, and the start-up and shutdown times of nuclear power units, and the formula is shown in the following formula 25:
[0046]
[0047] Preferably, the constraint condition of the new energy consumption production simulation model includes a hydropower output constraint as shown in the following formula 26:
[0048]
[0049] in, and They are the upper and lower limits of hydropower output in region n during period t, respectively.
[0050] On the basis of the above technical scheme, the present invention further provides a new energy consumption production simulation system, which includes a view, a controller and a model, wherein the view receives user operations and transmits them to the controller, the controller notifies the model of the user operations, and when the model changes, the view is notified through the observer mode, and the view obtains data from the model; the new energy consumption production simulation system collects basic data including wind power sample data, photovoltaic sample data, load sample data, thermal power unit data, hydropower unit data, and energy storage unit data, builds a main power grid and creates a sub-grid based on the basic data, and then configures the power grid unit and the energy storage unit. When there is no other sub-grid, select the power grid and calculation model, configure case information, case operation mode, and case full network parameters, and when the parameter configuration is confirmed, execute the case calculation, save the case information, and output the result report and analysis curve.
[0051] The present invention provides a new energy consumption production simulation method and simulation system. The technical solution takes the minimum total power generation cost of all power sources in the entire network within all optimization periods as the optimization goal, establishes a new energy consumption production simulation optimization model that adapts to the market environment, and on this basis, establishes a new energy consumption production simulation system. The present invention can provide an overall framework and analysis tools for calculating the new energy consumption capacity under the power market environment, and can achieve quantitative analysis and implementation means to promote the consumption of new energy in the market environment. The present invention provides important guidance and suggestions for government departments and power grid companies to design and improve power market rules and mechanisms by quantitatively simulating and calculating the new energy consumption capacity under the power market environment, and plays a promoting role in promoting the priority consumption of new energy under the power market environment and the healthy development of new energy power generation. BRIEF DESCRIPTION OF THE DRAWINGS
[0052] Figure 1 It is the MVC model diagram of the new energy consumption production simulation system of the present invention.
[0053] Figure 2 It is an operation flow chart of the new energy consumption production simulation system of the present invention.
[0054] Figure 3 It is a functional architecture diagram of the new energy consumption production simulation system of the present invention. DETAILED DESCRIPTION
[0055] The specific embodiments of the present invention will be described in detail below. In order to avoid too much unnecessary details, the well-known structures or functions will not be described in detail in the following examples. The approximate language used in the following examples can be used for quantitative expression, indicating that the quantity can be allowed to have a certain change without changing the basic function. Unless otherwise defined, the technical and scientific terms used in the following examples have the same meaning as those generally understood by those skilled in the art to which the present invention belongs.
[0056] A new energy consumption production simulation method. The optimization goal of the new energy time series production simulation calculation in the power market environment is to minimize the total power generation cost of all power sources in the entire network during the entire optimization period:
[0057]
[0058] In the formula, are the wind power, photovoltaic power generation and hydropower generation costs in region n during period t, respectively, in the form of equations 2 to 4; I n is the set of conventional thermal power units in region n, J n is the set of heating units in area n, L n is the set of gas generating units in region n, M n is the set of nuclear power units in region n; are the outputs of conventional thermal power unit i, heating unit j, gas unit l, and nuclear power unit m in region n during period t; represents the power generation and operation cost of conventional thermal power unit i in region n, as shown in Formula 5; are the single startup cost and shutdown cost of conventional thermal power unit i in region n during period t, respectively, as shown in Equation 6 and Equation 7; is a 0-1 integer variable, Indicates the start-up of thermal power unit i in area n during period t, Indicates that thermal power unit i in area n during period t has not started; is a 0-1 integer variable, Indicates that thermal power unit i in area n is shut down during period t, Indicates that the thermal power unit i in area n during period t is not shut down; represents the power generation and operation cost of heating unit j in area n; and are the single startup cost and shutdown cost of heating unit j in area n during period t, respectively, as shown in Equation 6 and Equation 7; and They are all 0-1 integer variables, representing the start-up and shutdown status of heating unit j in area n during period t; represents the power generation and operation cost of gas unit l in region n, and They are the single startup cost and shutdown cost of gas unit l in area n during period t respectively; and They are all 0-1 integer variables, representing the start-up and shutdown status of heating unit j in area n during period t; represents the power generation and operation cost of nuclear power unit m in region n, and They are the single startup cost and shutdown cost of nuclear power unit m in region n during period t respectively; and They are all 0-1 integer variables, representing the startup and shutdown status of nuclear power unit l in region n during period t;
[0059] C W (t) = λ W ·p W (t)
[0060] Formula 2
[0061] C PV (t) = λ PV ·p PV (t)
[0062] Formula 3
[0063] C H (t) = λ H ·p H (t)
[0064] Formula 4
[0065] In formula 2 and formula 3, C W (t), C PV (t) is the power generation cost of the wind farm and photovoltaic power station in period t, λ W , PV is the marginal cost of wind farms and photovoltaic power plants, p W (t), p PV (t) is the power generation of the wind farm and photovoltaic power station in period t; in formula 4, C H (t) is the power generation cost of the hydropower unit in period t, λ H is the marginal cost of the hydropower unit, p H (t) is the power generation of the hydropower unit in period t;
[0066]
[0067] In formula 5, p G is the output of the thermal power unit, is a 0-1 integer variable, Indicates the output of thermal power unit p G In the range middle;
[0068] C SU =36000+0.04×(S G -300)
[0069] Formula 6
[0070] C SD =12000+0.02×(S G -300)
[0071] Formula 7.
[0072] The model constraints include system operation constraints, power supply operation constraints, etc. All the following constraints are valid for the time period t=1, 2, ..., T.
[0073] (1) Regional load balance constraints
[0074] The constraint conditions of the new energy consumption production simulation model include the regional load balance constraint as shown in the following formula 8:
[0075]
[0076] in, are the wind power, photovoltaic power generation and hydropower output of region n in period t; L m,n (t) is the transmission power of the tie line between area m and area n during period t; is the load of area n during period t.
[0077] (2) System spinning reserve constraints
[0078] The constraints of the new energy consumption production simulation model include system spinning reserve constraints as shown in the following equations 9 and 10:
[0079]
[0080] In the above formula, r U and r D They are respectively the positive and negative spinning reserve capacities that need to be reserved for the entire network; and is the minimum and maximum technical output of conventional thermal power unit i in region n; and is the minimum and maximum technical output of heating unit j in area n; and is the minimum and maximum technical output of gas unit l in area n; and is the minimum and maximum technical output of nuclear power unit m in region n; and is the maximum and minimum technical output of hydropower in region n during period t. In formula 10, wind power and photovoltaic power generation can provide negative reserve for the system.
[0081] (3) Transmission capacity constraints of interconnection lines
[0082] The constraint conditions of the new energy consumption production simulation model include the tie line transmission capacity constraints shown in the following equations 11 and 12;
[0083]
[0084] in, is the maximum transmission capacity of the interconnection line between area m and area n.
[0085] (4) Output constraints of conventional thermal power / heating / gas / nuclear power units
[0086] The constraint conditions of the new energy consumption production simulation model include the output constraint of conventional thermal power units as shown in the following formula 13, the output constraint of heating units as shown in the following formula 14, the output constraint of gas units as shown in the following formula 15, and the output constraint of nuclear power units as shown in the following formula 16:
[0087]
[0088] in, All are 0-1 integer variables. Indicates that conventional thermal power unit i is in operation during period t, Indicates that it is not running; Indicates that heating unit j is in operation during period t. Indicates that the unit is not running; Indicates that the gas unit l is in operation during the period t. Indicates that the unit is not running; Indicates that nuclear power unit m is in operation during period t. Indicates that the unit is not running. Affected by the heating demand, the maximum and minimum technical outputs of the heating units are different during the heating period and the non-heating period.
[0089] (5) Conventional thermal power / heating / gas / nuclear power unit ramping constraints
[0090] The constraint conditions of the new energy consumption production simulation model include the conventional thermal power unit climbing constraint as shown in the following formula 17, the heating unit climbing constraint as shown in the following formula 18, the gas unit climbing constraint as shown in the following formula 19, and the nuclear power unit climbing constraint as shown in the following formula 20:
[0091]
[0092] Among them, Δt is the duration of one scheduling period, is the maximum climbing power of thermal power unit i, is the maximum ramp power of heating unit j, is the maximum climbing power of gas generator set l, is the maximum climbing power of nuclear power unit l.
[0093] (6) Logical constraints on the operating status of conventional thermal power / heating / gas / nuclear power units
[0094] The constraint conditions of the new energy consumption production simulation model include the conventional thermal power unit operation state logic constraint as shown in the following formula 21, the heating unit operation state logic constraint as shown in the following formula 22, the gas unit operation state logic constraint as shown in the following formula 23, and the nuclear power unit operation state logic constraint as shown in the following formula 24:
[0095]
[0096] The above four sets of equations and inequality constraints together constitute the logical constraints on the start-up and shutdown states and operating states of conventional thermal power units, heating units, gas units and nuclear power units, ensuring that each state variable conforms to the operating logic during the unit combination process.
[0097] (7) Constraints on the number of starts and stops of conventional thermal power / heating / nuclear power units
[0098] The constraints of the new energy consumption production simulation model include the shutdown times of conventional thermal power units, the shutdown times of heating units, and the start-up and shutdown times of nuclear power units, and the formula is shown in the following formula 25:
[0099]
[0100] The above formula indicates that the number of starts and stops of all thermal power units and nuclear power units in the entire network in each sub-optimization cycle T does not exceed N times. This constraint can avoid the phenomenon of frequent starts and stops of units in the simulation results. Since gas units can be started and stopped flexibly, gas units are not constrained in this constraint.
[0101] (8) Hydropower output constraints
[0102] The constraint conditions of the new energy consumption production simulation model include the hydropower output constraint as shown in the following equation 26:
[0103]
[0104] in, and They are the upper and lower limits of hydropower output in area n during time period t. Since the output of hydropower is determined by the characteristics of water resources, its upper and lower limits can change with the scheduling period.
[0105] (9) Constraints on power generation of hydropower units and gas-fired units
[0106] The constraints of the new energy consumption production simulation model include the power generation constraint of the hydropower unit shown in the following formula 27 and the power generation constraint of the gas unit shown in formula 28:
[0107]
[0108]
[0109] Affected by resource factors such as water and gas inflow, the upper limit of power generation of hydropower units and gas units in each scheduling cycle is determined. In the above formula, is the upper limit of the total hydropower generation in region n within the sub-optimization period T′, It is the upper limit of the total power generation of gas unit l in region n within the sub-optimization period T′.
[0110] (10) Constraints on new energy output
[0111] The constraint conditions of the new energy consumption production simulation model include the new energy output constraints shown in the following equations 29 and 30:
[0112]
[0113] In the above two formulas, and are the wind power and photovoltaic power generation installed capacity in region n, and They represent the normalized theoretical power of wind power and photovoltaic power generation in region n during period t respectively.
[0114] The above is the simulation optimization model of new energy time-series production under the market environment. Among them:
[0115]
[0116] is the optimization variable.
[0117] A new energy consumption production simulation system.
[0118] Overall software architecture:
[0119] The new energy production simulation system under the power market environment is developed using the REPS underlying framework of the New Energy Research Center. The architecture design is based on the design principle of model-view separation, that is, based on the "modified MVC (Model View Controller) structure", also known as "model-view-controller". At the beginning of the design, the main features of the software underlying architecture, such as scalability, reliability, openness, customizability, human-computer interface friendliness, and performance, were fully considered, and the main functional requirements were finely modularized. Figure 1 shown.
[0120] Software business process:
[0121] The main process of the new energy production simulation system under the power market environment includes basic data, power grid model, case calculation, result report, curve analysis, etc. The user first enters the basic data for production simulation through the basic data. The data includes types such as wind power samples, photovoltaic samples, load samples, thermal power units and hydropower units. After the basic data is constructed, the power grid topology can be established and the units in the power grid partition can be configured. While configuring the power grid topology, the section limit and external transmission line of the power grid topology can be configured. After configuring the power grid structure, the data of the operation mode can be entered, and the operation mode of each unit over a period of time can be entered in the form of a time series. Then configure the case calculation data and obtain the production simulation results through calculation. Finally, the result report function can be used to view the new energy consumption, power limit rate and income, thermal power unit utilization hours, new energy and each unit's income calculation results, etc. The curve analysis function is used to display the curve analysis chart containing data including clearing price, new energy income, unit income and unit operating cost. Such as Figure 2 shown.
[0122] Software functional architecture:
[0123] The new energy production simulation system in the power market environment mainly includes basic data, sequence modeling, power grid model, case calculation and other functions. The basic data includes wind power output samples, photovoltaic output samples, conventional power sources, load samples, energy storage power stations, etc. Sequence modeling can perform sequence modeling for wind power and photovoltaics respectively, and generate multiple wind power and photovoltaic sequences based on the algorithm. The power grid model can complete the establishment of the power grid topology structure through simple graphical drag and drop operations. Case calculation is mainly used for the configuration and management of calculation cases, and includes data analysis and graphical display of case results. Figure 3 shown.
[0124] The embodiments of the present invention are described in detail above, but the contents are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the scope of the present invention shall be included in the protection scope of the present invention.
Claims
1. A new energy consumption production simulation method, the method establishes a new energy consumption production simulation model, and uses the model to simulate the new energy consumption production; characterized in that: The new energy consumption production simulation model uses the following formula 1 as the objective function: In the formula, are the wind power, photovoltaic power generation and hydropower generation costs in region n during period t, respectively, in the form of equations 2 to 4; I n is the set of thermal power units in region n, J n is the set of heating units in area n, L n is the set of gas generating units in region n, M n is the set of nuclear power units in region n; are the outputs of thermal power unit i, heating unit j, gas unit 1, and nuclear power unit m in region n during period t; It represents the power generation and operation cost of thermal power unit i in region n, as shown in Formula 5; are the single startup cost and shutdown cost of thermal power unit i in region n during period t, respectively, as shown in Equation 6 and Equation 7; is a 0-1 integer variable, Indicates the start-up of thermal power unit i in area n during period t, It means that the thermal power unit i in area n during period t has not started; is a 0-1 integer variable, Indicates that thermal power unit i in area n is shut down during period t, Indicates that thermal power unit i in area n during period t is not shut down; represents the power generation and operation cost of heating unit j in area n; and are the single startup cost and shutdown cost of heating unit j in area n during period t, respectively, as shown in Equation 6 and Equation 7; and They are all 0-1 integer variables, representing the start-up and shutdown status of heating unit j in area n during period t; represents the power generation and operation cost of gas unit l in region n, and They are the single startup cost and shutdown cost of gas unit 1 in area n during period t respectively; and They are all 0-1 integer variables, representing the start-up and shutdown status of heating unit j in area n during period t; represents the power generation and operation cost of nuclear power unit m in region n, and They are the single startup cost and shutdown cost of nuclear power unit m in region n during period t respectively; and They are all 0-1 integer variables, representing the startup and shutdown status of nuclear power unit 1 in region n during period t; C W (t)=λ W ·p W (t) Formula 2 C PV (t)=λ PV ·p PV (t) Formula 3 C H (t)=λ H ·p H (t) Formula 4 In formula 2 and formula 3, C W (t), C PV (t) is the power generation cost of the wind farm and photovoltaic power station in period t, λ W , PV is the marginal cost of wind farms and photovoltaic power plants, p W (t), p PV (t) is the power generation of the wind farm and photovoltaic power station in period t; in formula 4, C H (t) is the power generation cost of the hydropower unit in period t, λ H is the marginal cost of the hydropower unit, p H (t) is the power generation of the hydropower unit in period t; In formula 5, p G is the output of the thermal power unit, is a 0-1 integer variable, Indicates the output of thermal power unit p G In the range middle; C SU =36000+0.04×(S G -300) Formula 6 C SD =12000+0.02×(S G -300) Formula 7.
2. A new energy consumption production simulation method according to claim 1, characterized in that: The constraint conditions of the new energy consumption production simulation model include the regional load balance constraint as shown in the following formula 8: in, are the wind power, photovoltaic power generation and hydropower output of region n in period t; L m,n (t) is the transmission power of the tie line between area m and area n during period t; is the load of area n during period t.
3. A new energy consumption production simulation method according to claim 1, characterized in that: The constraints of the new energy consumption production simulation model include system spinning reserve constraints as shown in the following equations 9 and 10: In the above formula, r U and r D They are respectively the positive and negative spinning reserve capacities that need to be reserved for the entire network; and is the minimum and maximum technical output of thermal power unit i in region n; and is the minimum and maximum technical output of heating unit j in area n; and is the minimum and maximum technical output of gas unit 1 in area n; and is the minimum and maximum technical output of nuclear power unit m in region n; and is the maximum and minimum technical output of hydropower in region n during period t.
4. A new energy consumption production simulation method according to claim 1, characterized in that: The constraint conditions of the new energy consumption production simulation model include the tie line transmission capacity constraints shown in the following equations 11 and 12; in, is the maximum transmission capacity of the interconnection line between area m and area n.
5. The new energy consumption production simulation method according to claim 1 is characterized in that: The constraint conditions of the new energy consumption production simulation model include the output constraint of the thermal power unit as shown in the following formula 13, the output constraint of the heating unit as shown in the following formula 14, the output constraint of the gas unit as shown in the following formula 15, and the output constraint of the nuclear power unit as shown in the following formula 16: in, All are 0-1 integer variables. Indicates that thermal power unit i is in operation during period t, Indicates that it is not running; Indicates that heating unit j is in operation during period t. Indicates that the unit is not running; Indicates that gas unit 1 is in operation during period t. Indicates that the unit is not running; Indicates that nuclear power unit m is in operation during period t. Indicates that the unit is not running.
6. The new energy consumption production simulation method according to claim 1 is characterized in that: The constraint conditions of the new energy consumption production simulation model include the thermal power unit climbing constraint as shown in the following formula 17, the heating unit climbing constraint as shown in the following formula 18, the gas unit climbing constraint as shown in the following formula 19, and the nuclear power unit climbing constraint as shown in the following formula 20: Among them, Δt is the duration of one scheduling period, is the maximum climbing power of thermal power unit i, is the maximum ramp power of heating unit j, is the maximum climbing power of gas generator set l, is the maximum climbing power of nuclear power unit l.
7. The new energy consumption production simulation method according to claim 1 is characterized in that: The constraint conditions of the new energy consumption production simulation model include the operation state logic constraint of the thermal power unit as shown in the following formula 21, the operation state logic constraint of the heating unit as shown in the following formula 22, the operation state logic constraint of the gas unit as shown in the following formula 23, and the operation state logic constraint of the nuclear power unit as shown in the following formula 24:
8. The new energy consumption production simulation method according to claim 1 is characterized in that: The constraints of the new energy consumption production simulation model include the shutdown times of thermal power units, the shutdown times of heating units, and the start-up and shutdown times of nuclear power units, and the formula is shown in the following formula 25:
9. The new energy consumption production simulation method according to claim 1 is characterized in that: The constraint conditions of the new energy consumption production simulation model include the hydropower output constraint as shown in the following equation 26: in, and They are the upper and lower limits of hydropower output in region n during period t, respectively.
10. A new energy consumption production simulation system, characterized in that: The system includes a view, a controller and a model, wherein the view receives user operations and transmits them to the controller, the controller notifies the model of the user operations, and when the model changes, the view is notified through the observer mode, and the view obtains data from the model; the new energy consumption production simulation system collects basic data including wind power sample data, photovoltaic sample data, load sample data, thermal power unit data, hydropower unit data, and energy storage unit data, builds a main power grid and creates a sub-grid based on the basic data, and then configures the power grid unit and the energy storage unit. When there are no other sub-grids, select the power grid and calculation model, configure case information, case operation mode, and case full network parameters, and when the parameter configuration is confirmed, execute the case calculation, save the case information, and output the result report and analysis curve.
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