New energy consumption space acquisition method based on REPS new energy production simulation software

Abstract

The invention discloses a new energy consumption space acquisition method based on REPS new energy production simulation software, and belongs to the field of new energy scheduling. The objective of the invention is to solve the problem of lack of a method for obtaining a new energy consumption space in a power grid in the prior art. The method comprises the steps of 1, decomposing a power grid into a plurality of sub-power grids; step 2, establishing a tie line model between sub-grids, a load model in each sub-grid, a traditional unit model in each sub-grid and a new energy unit model in each sub-grid; and step 3, inputting all the models obtained in the step 2 into REPS new energy production simulation software to obtain the power generation amount, the abandoned power amount and the utilization rate of the new energy unit in each sub-power grid, and obtaining the consumption space of the new energy in each sub-power grid according to the power generation amount, the abandoned power amount and the utilization rate of the new energy unit in each sub-power grid. The method is used for obtaining the new energy consumption space.

Description

Technical Field

[0001] The invention relates to a method for acquiring new energy consumption capacity, and belongs to the field of new energy scheduling. Background Art

[0002] The scale of installed capacity of new energy generators is increasing rapidly across the country. The high proportion of new energy access has led to a series of problems in the power system, such as shortage of peak-shaving resources and increased difficulty in ensuring supply. It has also led to very serious wind and solar power abandonment. Therefore, while ensuring the safe and stable operation of the power system, it is an urgent problem to access as many new energy sources as possible.

[0003] Therefore, by understanding the consumption space of new energy in the power grid and the amount of electricity generated by new energy, we can optimize the operation mode of conventional units and new energy units, which is of great reference significance for guiding the dispatching and operation of the power grid. However, there is a lack of methods to obtain the consumption space of new energy in the power grid. Summary of the invention

[0004] The purpose of the present invention is to solve the problem of the lack of methods for obtaining new energy consumption space in the power grid, and proposes a new energy consumption space acquisition method based on REPS new energy production simulation software.

[0005] A method for acquiring new energy consumption space based on REPS new energy production simulation software, the method comprising the following contents:

[0006] Step 1: Decompose the power grid into several sub-grids;

[0007] Step 2: construct the tie line model between each subgrid, the load model within each subgrid, the traditional unit model within each subgrid, and the new energy unit model within each subgrid;

[0008] Step 3: Input all the models obtained in step 2 into the REPS new energy production simulation software to obtain the power generation, abandoned power and utilization rate of the new energy units in each sub-grid. According to the power generation, abandoned power and utilization rate of the new energy units in each sub-grid, the new energy consumption space in each sub-grid is obtained.

[0009] Preferably, in step 2, the tie line model between each subgrid is:

[0010]

[0011] Where, L ii* Transmitted from subgrid i to subgrid i * Real-time power, m ii* is the power flow direction from subgrid i to subgrid i * The number of transmission lines, m i*i The power flow direction is from subgrid i *The number of transmission lines to subgrid i, L ii*j The jth power flow direction is from subgrid i to subgrid i * Real-time power, L ii*j The jth power flow is from subgrid i * Real-time power to subgrid i, η loss,i*ij The jth power flow is from subgrid i * Line loss coefficient of the transmission line to subgrid i.

[0012] Preferably, in step 2, the load model in each sub-grid is:

[0013]

[0014] In the formula, Load i is the real-time load power of subgrid i, EQ load,ij is the equivalent load of the substation in subgrid i, keq i is the number of substations in subgrid i, where EQ load,ij It is expressed as:

[0015]

[0016] In the formula, loadtr ij is the direct load of substation j in subgrid i, load ijk is the kth load of the lower grid of substation j in subgrid i, ge ijk is the output of the kth generator in the substation j of the subgrid i, tr ij is the active power loss of the main transformer of substation j in subgrid i, load eq is the number of loads in the lower-level grid of substation j in subgrid i, ge eq is the number of generators in the lower-level grid of substation j in subgrid i.

[0017] Preferably, the traditional unit model includes a thermal power unit model, a hydropower unit model and a nuclear power unit model.

[0018] Preferably, the thermal power unit model, the hydropower unit model and the nuclear power unit model are all the same. Taking the thermal power unit model as an example, the thermal power unit model is:

[0019]

[0020] In the formula, is the rated capacity of the jth equivalent thermal power unit, is the active power loss of the transformer connected to the jth equivalent front thermal power unit, is the active power loss of the transmission line of the power plant where the jth equivalent thermal power unit is located, is the power load of the power plant where the jth equivalent thermal power unit is located, N ij N is the number of thermal power units connected to the same transformer as the jth equivalent thermal power unit. ik is the number of operating thermal power units in the power plant where the jth equivalent thermal power unit is located, EQ j is the rated capacity of the jth equivalent thermal power unit;

[0021]

[0022] Where P 0j is the no-load loss of the transformer connected to the jth equivalent front thermal power unit, K Tj is the load fluctuation loss coefficient of the transformer connected to the jth equivalent front thermal power unit, β j is the average load factor of the transformer connected to the jth equivalent front thermal power unit, Pk j is the rated load loss of the transformer connected to the jth equivalent front thermal power unit;

[0023]

[0024] In the formula, is the rated reactive power output of the jth equivalent thermal power unit, is the rated voltage of the grid-connected point of the jth equivalent thermal power unit, is the output line resistance of the jth equivalent front thermal power unit;

[0025]

[0026] Where η j It is the power consumption coefficient of the thermal power plant where the jth equivalent thermal power unit is located.

[0027] Preferably, the thermal power unit model, the hydropower unit model and the nuclear power unit model all include the number of units, the unit capacity, the maximum output of the unit, the minimum output of the unit, the ramp-up rate of the unit and the ramp-down rate of the unit.

[0028] Preferably, the maximum output of the unit, the minimum output of the unit, the ramp-up rate of the unit and the ramp-down rate of the unit of the thermal power unit model are respectively expressed as:

[0029]

[0030]

[0031]

[0032]

[0033]

[0034] In the formula, are the maximum output, minimum output, ramp-up rate, and ramp-down rate of the jth thermal power unit before equivalent, respectively. are the maximum output, minimum output, up-ramp rate and down-ramp rate of the equivalent thermal power unit, respectively. j is the correction coefficient of the jth thermal power unit.

[0035] Preferably, in step 2, the new energy unit model in each subgrid includes an equivalent output model of a wind turbine unit in each subgrid and an equivalent output model of a photovoltaic unit in each subgrid;

[0036] The equivalent output model of wind turbines in each subgrid is:

[0037]

[0038] In the formula, EQ wind,i is the equivalent active power generated by wind turbines in subgrid i, P windcon,ij is the active power that can be generated by the jth centralized wind turbine in subgrid i, P winddis,ij is the active power that can be generated by the jth distributed wind turbine in subgrid i, η windcon,ij is the grid-connected active power loss coefficient of the jth centralized wind turbine in subgrid i, η winddis,ij is the grid-connected active power loss coefficient of the jth distributed wind turbine in subgrid i, m windcon is the number of centralized wind turbines in subgrid i, nwinddis is the number of distributed wind turbines in subgrid i;

[0039] The equivalent output model of photovoltaic units in each sub-grid is:

[0040]

[0041] In the formula, EQ pho,i is the equivalent active power generated by the photovoltaic unit in subgrid i, P phocon,ij is the active power that can be generated by the jth centralized photovoltaic unit in subgrid i, P phodis,ij is the active power that can be generated by the jth distributed photovoltaic unit in subgrid i, η phocon,ij is the grid-connected active power loss coefficient of the jth centralized photovoltaic unit in subgrid i, η phodis,ij is the grid-connected active power loss coefficient of the jth distributed photovoltaic unit in subgrid i, m phocon is the number of centralized photovoltaic units in subgrid i, n phodis is the number of distributed photovoltaic units in subgrid i.

[0042] Preferably, in step 3, all the models obtained in the step are input into the REPS new energy production simulation software to obtain the power generation, abandoned power and utilization rate of the new energy units, specifically:

[0043] The interconnection line model between subgrids, the load model within each subgrid, the traditional unit model within each subgrid and the equivalent output model of wind turbines within each subgrid are input into the REPS new energy production simulation software to obtain the power generation, abandoned power and utilization rate of the wind turbines.

[0044] Preferably, the method further comprises step 4;

[0045] Step 4, respectively correcting the power generation, power abandonment and utilization rate of the wind turbine set to obtain the corrected power generation, power abandonment and utilization rate of the wind turbine set; respectively correcting the power generation, power abandonment and utilization rate of the photovoltaic set to obtain the corrected power generation, power abandonment and utilization rate of the photovoltaic set;

[0046] The corrected wind turbine power generation is:

[0047]

[0048] Where P wind,i is the power generation of wind turbines in subgrid i, P windex,i The power generation of wind turbines in subgrid i obtained by REPS new energy production simulation software;

[0049] The corrected amount of wind turbine curtailment is:

[0050]

[0051] The revised wind turbine utilization rate is:

[0052] η wind,i =P wind,i / (P wind,i +P windab,i ) Formula 17;

[0053] The corrected power generation of the photovoltaic unit is:

[0054]

[0055] The revised amount of abandoned electricity of photovoltaic units is:

[0056]

[0057] The revised photovoltaic unit utilization rate is:

[0058] η pho,i =P pho,i / (P pho,i +P phoab,i) Formula 20,

[0059] Where P phoab,i , η pho,i are the power abandonment and utilization rate of PV units in subgrid i respectively.

[0060] The beneficial effects of the present invention are:

[0061] The present invention studies the calculation method of the new energy consumption space in the regional power grid after a large number of new energy units are connected to the power grid. Using the REPS new energy production simulation software, a new energy consumption capacity calculation method based on the REPS new energy production simulation software is proposed. The model fully considers the operating characteristics of units such as thermal power units, hydropower units, wind power units, photovoltaic units, and the operating characteristics of the interconnection lines between regional power grids. This model can obtain the consumption space of new energy in the corresponding regional power grid, which is of great reference significance for optimizing the unit operation mode and guiding the grid dispatching operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0062] Figure 1 This is a flow chart of the method for obtaining new energy consumption space based on REPS new energy production simulation software. DETAILED DESCRIPTION

[0063] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0064] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

[0065] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, but they are not intended to limit the present invention.

[0066] Example:

[0067] Combination Figure 1 This embodiment is described. This embodiment is a method for acquiring new energy consumption space based on REPS new energy production simulation software. The method includes the following contents:

[0068] Step 1: Decompose the power grid into several sub-grids;

[0069] Step 2: construct the tie line model between each subgrid, the load model within each subgrid, the traditional unit model within each subgrid, and the new energy unit model within each subgrid;

[0070] Step 3: Input all the models obtained in step 2 into the REPS new energy production simulation software to obtain the power generation, abandoned power and utilization rate of the new energy units in each sub-grid. According to the power generation, abandoned power and utilization rate of the new energy units in each sub-grid, the new energy consumption space in each sub-grid is obtained.

[0071] The calculated regional power grid is partitioned and decomposed into several sub-grids, and finally the absorption space of each sub-grid is obtained. Then, according to the absorption space of each sub-grid, it is considered whether to connect the sub-grid to new energy or to dispatch the power of each sub-grid by understanding the absorption space of each sub-grid.

[0072] In this embodiment, in step 2, the tie line model between each subgrid is:

[0073]

[0074] Where, L ii* Transmitted from subgrid i to subgrid i * Real-time power, m ii* is the power flow direction from subgrid i to subgrid i * The number of transmission lines, m i*i The power flow direction is from subgrid i * The number of transmission lines to subgrid i, L ii*j The jth power flow direction is from subgrid i to subgrid i * Real-time power, L ii*j The jth power flow is from subgrid i * Real-time power to subgrid i, η loss,i*ij The jth power flow is from subgrid i * Line loss coefficient of the transmission line to subgrid i.

[0075] In step 2, the load model in each subgrid is:

[0076]

[0077] In the formula, Load i is the real-time load power of subgrid i, EQ load,ij is the equivalent load of the substation in subgrid i, keq i is the number of substations in subgrid i, where EQ load,ij It is expressed as:

[0078]

[0079] In the formula, loadtr ij is the direct load of substation j in subgrid i, load ijk is the kth load of the lower grid of substation j in subgrid i, geijk is the output of the kth generator in the substation j of the subgrid i, tr ij is the active power loss of the main transformer of substation j in subgrid i, load eq is the number of loads in the lower-level grid of substation j in subgrid i, ge eq is the number of generators in the lower-level grid of substation j in subgrid i.

[0080] Each tie line model includes the tie line real-time output, and the tie line number is Line ii* ; Each load model includes the real-time power of the load, and the load number is Load i .

[0081] In this embodiment, the traditional unit model includes a thermal power unit model, a hydropower unit model and a nuclear power unit model.

[0082] In order to ensure the authenticity and simplicity of the model, the thermal power unit model in this patent adopts equivalent processing; assuming that the equivalent thermal power units in subgrid i are Where m j is the number of thermal power units before equivalence; the number of thermal power units after equivalence is Where n j is the number of equivalent thermal power units, The parameters of the thermal power units are completely consistent. The relationship between the capacity of the thermal power units before and after equivalence is shown in Equation 4:

[0083]

[0084] In the formula, is the rated capacity of the jth equivalent thermal power unit, is the active power loss of the transformer connected to the jth equivalent front thermal power unit, is the active power loss of the transmission line of the power plant where the jth equivalent thermal power unit is located, is the power load of the power plant where the jth equivalent thermal power unit is located, N ij N is the number of thermal power units connected to the same transformer as the jth equivalent thermal power unit. ik is the number of operating thermal power units in the power plant where the jth equivalent thermal power unit is located, EQ j is the rated capacity of the jth equivalent thermal power unit;

[0085]

[0086] Where P 0j is the no-load loss of the transformer connected to the jth equivalent front thermal power unit, K Tj is the load fluctuation loss coefficient of the transformer connected to the jth equivalent front thermal power unit, βj is the average load factor of the transformer connected to the jth equivalent front thermal power unit, Pk j is the rated load loss of the transformer connected to the jth equivalent front thermal power unit;

[0087]

[0088] In the formula, is the rated reactive power output of the jth equivalent thermal power unit, is the rated voltage of the grid-connected point of the jth equivalent thermal power unit, is the output line resistance of the jth equivalent front thermal power unit;

[0089]

[0090] Where η j It is the power consumption coefficient of the thermal power plant where the jth equivalent thermal power unit is located.

[0091] In this embodiment, the thermal power unit model, the hydropower unit model and the nuclear power unit model all include the number of units, the unit capacity, the maximum output of the unit, the minimum output of the unit, the ramp-up rate of the unit and the ramp-down rate of the unit.

[0092] In this embodiment, the maximum output of the unit, the minimum output of the unit, the ramp-up rate of the unit and the ramp-down rate of the unit of the thermal power unit model are respectively expressed as:

[0093]

[0094]

[0095]

[0096]

[0097]

[0098] In the formula, are the maximum output, minimum output, ramp-up rate, and ramp-down rate of the jth thermal power unit before equivalent, respectively. are the maximum output, minimum output, up-ramp rate and down-ramp rate of the equivalent thermal power unit, respectively. j is the correction coefficient of the jth thermal power unit.

[0099] The equivalent method of hydropower unit model, nuclear power unit model and other unit models is the same as that of thermal power unit model.

[0100] In this embodiment, in step 2, the new energy unit model in each subgrid includes an equivalent output model of a wind turbine unit in each subgrid and an equivalent output model of a photovoltaic unit in each subgrid;

[0101] In this embodiment, the equivalent output model of the wind turbines in each subgrid is:

[0102]

[0103] In the formula, EQ wind,i is the equivalent active power generated by wind turbines in subgrid i, P windcon,ij is the active power that can be generated by the jth centralized wind turbine in subgrid i, P winddis,ij is the active power that can be generated by the jth distributed wind turbine in subgrid i, η windcon,ij is the grid-connected active power loss coefficient of the jth centralized wind turbine in subgrid i, η winddis,ij is the grid-connected active power loss coefficient of the jth distributed wind turbine in subgrid i, m windcon is the number of centralized wind turbines in subgrid i, n winddis is the number of distributed wind turbines in subgrid i;

[0104] The equivalent output model of photovoltaic units in each sub-grid is:

[0105]

[0106] In the formula, EQ pho,i is the equivalent active power generated by the photovoltaic unit in subgrid i, P phocon,ij is the active power that can be generated by the jth centralized photovoltaic unit in subgrid i, P phodis,ij is the active power that can be generated by the jth distributed photovoltaic unit in subgrid i, η phocon,ij is the grid-connected active power loss coefficient of the jth centralized photovoltaic unit in subgrid i, η phodis,ij is the grid-connected active power loss coefficient of the jth distributed photovoltaic unit in subgrid i, mphocon is the number of centralized photovoltaic units in subgrid i, and nphodis is the number of distributed photovoltaic units in subgrid i.

[0107] Since the rated capacity of wind turbines and photovoltaic units is smaller than that of traditional units, the grid-connected active power loss coefficient (η phocon,ij , η phodis,ij ) is set as a constant to simplify the calculation.

[0108] In this embodiment, in step 3, all the models obtained in the step are input into the REPS new energy production simulation software to obtain the power generation, abandoned power and utilization rate of the new energy unit, specifically:

[0109] The interconnection line model between subgrids, the load model within each subgrid, the traditional unit model within each subgrid and the equivalent output model of wind turbines within each subgrid are input into the REPS new energy production simulation software to obtain the power generation, abandoned power and utilization rate of the wind turbines.

[0110] In this embodiment, the method further includes step 4;

[0111] Step 4, respectively correcting the power generation, power abandonment and utilization rate of the wind turbine set to obtain the corrected power generation, power abandonment and utilization rate of the wind turbine set; respectively correcting the power generation, power abandonment and utilization rate of the photovoltaic set to obtain the corrected power generation, power abandonment and utilization rate of the photovoltaic set;

[0112] The corrected wind turbine power generation is:

[0113]

[0114] Where P wind,i is the power generation of wind turbines in subgrid i, P windex,i The power generation of wind turbines in subgrid i obtained by REPS new energy production simulation software;

[0115] The corrected amount of wind turbine curtailment is:

[0116]

[0117] The revised wind turbine utilization rate is:

[0118] η wind,i =P wind,i / (P wind,i +P windab,i ) Formula 17;

[0119] The corrected power generation of the photovoltaic unit is:

[0120]

[0121] The revised amount of abandoned electricity of photovoltaic units is:

[0122]

[0123] The revised photovoltaic unit utilization rate is:

[0124] η pho,i =P pho,i / (P pho,i +P phoab,i ) Formula 20,

[0125] Where P phoab,i , η pho,iare the power abandonment and utilization rate of PV units in subgrid i respectively.

[0126] Since each wind turbine has a certain amount of active power loss when it is connected to the grid, it is necessary to make certain corrections to the wind turbine power generation, power abandonment, and utilization rate obtained by the REPS new energy production simulation software. The corrected wind turbine power generation, power abandonment, and utilization rate are shown in Formulas 15-17. Since each photovoltaic unit has a certain amount of active power loss when it is connected to the grid, it is necessary to make certain corrections to the photovoltaic unit power generation, power abandonment, and utilization rate obtained by the REPS new energy production simulation software. The corrected photovoltaic unit power generation, power abandonment, and utilization rate are shown in Formulas 18-20.

[0127] Although the present invention is described herein with reference to specific embodiments, it should be understood that these embodiments are merely examples of the principles and applications of the present invention. It should therefore be understood that many modifications may be made to the exemplary embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that the various dependent claims and features described herein may be combined in a manner different from that described in the original claims. It should also be understood that features described in conjunction with individual embodiments may be used in other described embodiments.

Claims

1. A method for acquiring new energy consumption space based on REPS new energy production simulation software, characterized in that: The method comprises the following: Step 1: Decompose the power grid into several sub-grids; Step 2: construct the tie line model between each subgrid, the load model within each subgrid, the traditional unit model within each subgrid, and the new energy unit model within each subgrid; Step 3: Input all the models obtained in step 2 into the REPS new energy production simulation software to obtain the power generation, abandoned power and utilization rate of the new energy units in each sub-grid. According to the power generation, abandoned power and utilization rate of the new energy units in each sub-grid, the new energy consumption space in each sub-grid is obtained.

2. The method for acquiring new energy consumption space based on REPS new energy production simulation software according to claim 1, characterized in that: In step 2, the tie line model between subgrids is: Where, L ii* Transmitted from subgrid i to subgrid i * The real-time power, is the power flow direction from subgrid i to subgrid i * The number of transmission lines, The power flow direction is from subgrid i * The number of transmission lines to subgrid i, The jth power flow direction is from subgrid i to subgrid i * The real-time power, The jth power flow is from subgrid i * The real-time power to subgrid i, The jth power flow is from subgrid i * Line loss coefficient of the transmission line to subgrid i.

3. The method for acquiring new energy consumption space based on REPS new energy production simulation software according to claim 1, characterized in that: In step 2, the load model in each subgrid is: In the formula, Load i is the real-time load power of subgrid i, EQ load,ij is the equivalent load of the substation in subgrid i, keq i is the number of substations in subgrid i, where EQ load,ij It is expressed as: In the formula, loadtr ij is the direct load of substation j in subgrid i, load ijk is the kth load of the lower grid of substation j in subgrid i, ge ijk is the output of the kth generator in the substation j of the subgrid i, tr ij is the active power loss of the main transformer of substation j in subgrid i, load eq is the number of loads in the lower-level grid of substation j in subgrid i, ge eq is the number of generators in the lower-level grid of substation j in subgrid i.

4. The method for acquiring new energy consumption space based on REPS new energy production simulation software according to claim 1 is characterized in that: Traditional unit models include thermal power unit models, hydropower unit models and nuclear power unit models.

5. The method for acquiring new energy consumption space based on REPS new energy production simulation software according to claim 4 is characterized in that: The models of thermal power units, hydropower units and nuclear power units are all the same. Taking the thermal power unit model as an example, the thermal power unit model is: In the formula, is the rated capacity of the jth equivalent thermal power unit, is the active power loss of the transformer connected to the jth equivalent front thermal power unit, is the active power loss of the transmission line of the power plant where the jth equivalent thermal power unit is located, is the power load of the power plant where the jth equivalent thermal power unit is located, N ij N is the number of thermal power units connected to the same transformer as the jth equivalent thermal power unit. ik is the number of operating thermal power units in the power plant where the jth equivalent thermal power unit is located, EQ j is the rated capacity of the jth equivalent thermal power unit; Where P 0j is the no-load loss of the transformer connected to the jth equivalent front thermal power unit, K Tj is the load fluctuation loss coefficient of the transformer connected to the jth equivalent front thermal power unit, β j is the average load factor of the transformer connected to the jth equivalent front thermal power unit, Pk j is the rated load loss of the transformer connected to the jth equivalent front thermal power unit; In the formula, is the rated reactive power output of the jth equivalent thermal power unit, is the rated voltage of the grid-connected point of the jth equivalent thermal power unit, is the output line resistance of the jth equivalent front thermal power unit; Where η j It is the power consumption coefficient of the thermal power plant where the jth equivalent thermal power unit is located.

6. The method for acquiring new energy consumption space based on REPS new energy production simulation software according to claim 4 is characterized in that: The thermal power unit model, hydropower unit model and nuclear power unit model all include the number of units, unit capacity, unit maximum output, unit minimum output, unit ramp-up rate and unit ramp-down rate.

7. The method for acquiring new energy consumption space based on REPS new energy production simulation software according to claim 6 is characterized in that: The maximum output, minimum output, ramp-up rate and ramp-down rate of the thermal power unit model are expressed as follows: In the formula, are the maximum output, minimum output, ramp-up rate, and ramp-down rate of the jth thermal power unit before equivalent, respectively. are the maximum output, minimum output, up-ramp rate and down-ramp rate of the equivalent thermal power unit, respectively. j is the correction coefficient of the jth thermal power unit.

8. The method for acquiring new energy consumption space based on REPS new energy production simulation software according to claim 1 is characterized in that: In step 2, the new energy unit model in each subgrid includes an equivalent output model of a wind turbine unit in each subgrid and an equivalent output model of a photovoltaic unit in each subgrid; The equivalent output model of wind turbines in each subgrid is: In the formula, EQ wind,i is the equivalent active power generated by wind turbines in subgrid i, P windcon,ij is the active power that can be generated by the jth centralized wind turbine in subgrid i, P winddis,ij is the active power that can be generated by the jth distributed wind turbine in subgrid i, η windcon,ij is the grid-connected active power loss coefficient of the jth centralized wind turbine in subgrid i, η winddis,ij is the grid-connected active power loss coefficient of the jth distributed wind turbine in subgrid i, m windcon is the number of centralized wind turbines in subgrid i, nwinddis is the number of distributed wind turbines in subgrid i; The equivalent output model of photovoltaic units in each sub-grid is: In the formula, EQ pho,i is the equivalent active power generated by the photovoltaic unit in subgrid i, P phocon,ij is the active power that can be generated by the jth centralized photovoltaic unit in subgrid i, P phodis,ij is the active power that can be generated by the jth distributed photovoltaic unit in subgrid i, η phocon,ij is the grid-connected active power loss coefficient of the jth centralized photovoltaic unit in subgrid i, η phodis,ij is the grid-connected active power loss coefficient of the jth distributed photovoltaic unit in subgrid i, m phocon is the number of centralized photovoltaic units in subgrid i, n phodis is the number of distributed photovoltaic units in subgrid i.

9. The method for acquiring new energy consumption space based on REPS new energy production simulation software according to claim 8 is characterized in that: In step 3, all the models obtained in the step are input into the REPS new energy production simulation software to obtain the power generation, abandoned power and utilization rate of the new energy units, specifically: The interconnection line model between subgrids, the load model within each subgrid, the traditional unit model within each subgrid and the equivalent output model of wind turbines within each subgrid are input into the REPS new energy production simulation software to obtain the power generation, abandoned power and utilization rate of the wind turbines.

10. The method for acquiring new energy consumption space based on REPS new energy production simulation software according to claim 9 is characterized in that: The method further comprises step 4; Step 4, respectively correcting the power generation, power abandonment and utilization rate of the wind turbine to obtain the corrected power generation, power abandonment and utilization rate of the wind turbine; The power generation, abandoned power and utilization rate of the photovoltaic unit are corrected respectively to obtain the corrected power generation, abandoned power and utilization rate of the photovoltaic unit; The corrected wind turbine power generation is: Where P wind,i is the power generation of wind turbines in subgrid i, P windex,i The power generation of wind turbines in subgrid i obtained by REPS new energy production simulation software; The corrected amount of wind turbine curtailment is: The revised wind turbine utilization rate is: η wind,i = P wind,i / (P wind,i + P windab,i ) Equation 17; The corrected power generation of the photovoltaic unit is: The revised amount of abandoned electricity of photovoltaic units is: The revised photovoltaic unit utilization rate is: η pho,i = P pho,i / (P pho,i + P phoab,i ) Equation 20 Where P phoab,i , η pho,i are the power abandonment and utilization rate of PV units in subgrid i respectively.

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