Power grid operation mode automatic arrangement method and system

Abstract

The invention discloses an automatic arrangement method and system for a power grid operation mode, and the method is suitable for the automatic arrangement system for the power grid operation mode, and comprises the steps: employing a constructed automatic arrangement system integrating a stability calculation tool, a clearing calculation tool, and a preset system total adjustment amount objective function and constraint conditions; the system is suitable for carrying out automatic arrangement calculation on the power grid operation mode and generating a power grid operation mode arrangement result, realizes automatic arrangement of the power grid operation mode, improves the arrangement efficiency of the power grid operation mode, and reduces the risk of arrangement errors caused by large calculation amount of manual arrangement. The problems that in the prior art, due to the fact that the mode of manually arranging the power grid operation mode is low in automation degree and large in calculation task load, the arrangement time is long, the arrangement error risk is high, and then the power grid operation efficiency and quality are affected are solved.

Description

Technical Field

[0001] The present invention relates to the field of power grid operation scheduling, and in particular to a method and system for automatically scheduling power grid operation modes. Background Art

[0002] Under the wave of "dual carbon" goal construction and energy structure transformation, the penetration rate of renewable energy such as wind power and photovoltaics has increased year by year, and the provincial power grid is operated in AC and DC hybrid mode. The power grid security constraints and decision variables are numerous and the system model is complex. In addition, market operation interacts with power grid operation, which requires the operation mode to consider the impact of the market. The uncertainty of a high proportion of new energy and the impact of market behavior make the operation mode of the power grid more and more complex.

[0003] Currently, the operation mode of power grids is arranged by people who fetch data from different business systems, including planned maintenance orders, load forecast data, generator output curves, etc., and then call different tools to perform calculations, analyze and summarize the results. The calculation process involves repeated tool calls and result corrections. However, the manual arrangement of power grid operation mode will lead to long arrangement time and high risk of arrangement errors due to low automation and large amount of calculation tasks, which will affect the efficiency and quality of power grid operation. Summary of the invention

[0004] The present invention provides a method and system for automatically scheduling power grid operation modes, which can solve the problem that the prior art manually schedules power grid operation modes, due to low automation and large amount of computing tasks, resulting in long scheduling time and high risk of scheduling errors, thereby affecting the efficiency and quality of power grid operation.

[0005] In order to solve the above technical problems, an embodiment of the present invention provides a method for automatically scheduling a power grid operation mode, which is applicable to a system for automatically scheduling a power grid operation mode. The system for automatically scheduling a power grid operation mode includes a stability calculation tool and a clearing calculation tool. The method for automatically scheduling a power grid operation mode includes:

[0006] Obtain load forecast data corresponding to the grid operation mode to be arranged, operation data of each generator set and parameters of each component;

[0007] Calculate the power grid section using stability calculation tools based on the operating data of each generator set and the parameters of each component;

[0008] According to the load forecast data, the operation data of each generator set and the power grid section, the clearing calculation tool is used to solve the system total adjustment amount objective function and constraint conditions preset in the power grid operation scheduling model, and the operation mode and power generation curve of each generator set are obtained when the system total adjustment amount is minimized and the constraint conditions are met; wherein the constraint conditions include the operation constraints of thermal power units, the operation constraints of new energy units and the power balance constraints;

[0009] The grid operation mode scheduling results are determined based on the operation mode and power generation curve of each generator set.

[0010] Furthermore, the automatic arrangement system of the power grid operation mode also includes a keyword extraction tool;

[0011] The step of obtaining load forecast data corresponding to the grid operation mode to be arranged, operation data of each generator set and parameters of each component includes:

[0012] The keyword extraction tool is used to extract keywords from the scheduling requirement instructions of the power grid operation mode to be scheduled, so as to obtain the scheduling requirement keywords of the power grid operation mode to be scheduled;

[0013] According to the scheduling requirement keywords of the power grid operation mode to be scheduled, the load forecast data, the operation data of each generator set and the parameters of each component corresponding to the power grid operation mode to be scheduled are obtained.

[0014] Furthermore, the automatic scheduling system for power grid operation mode also includes an operation scheduling knowledge base and a scheduling verification module; the scheduling verification module includes a power flow calculation tool and an Nk verification calculation tool;

[0015] Before determining the result of the power grid operation mode arrangement, the method further includes:

[0016] The operation scheduling knowledge base is used to retrieve the operation mode and power generation curve of each generator set to obtain the operation scheduling strategy, and the operation mode of each generator set is adjusted according to the operation scheduling strategy to obtain the adjusted operation mode of each generator set;

[0017] The adjusted operation mode and power generation curve of each generator set are checked and judged respectively by the power flow calculation tool and Nk check calculation tool in the arrangement check module to obtain the check and judgment results;

[0018] The operating mode of each generator set is determined based on the verification results.

[0019] Further, the operation mode of each generator set is determined according to the verification result, including:

[0020] When the verification result is not passed, the adjusted operation mode and power generation curve of each generator set are rescheduled and adjusted through the operation and scheduling knowledge base to obtain the re-adjusted operation mode and power generation curve of each generator set;

[0021] The operation mode and power generation curve of each generator set after readjustment are rechecked and judged respectively through the power flow calculation tool and Nk verification calculation tool in the arrangement verification module;

[0022] Until the verification result is passed, the operating mode of each generator set whose verification result is passed is used as the final operating mode of each generator set.

[0023] Furthermore, the calculation formula of the power grid section is as follows:

[0024]

[0025] Among them, the T n represents the nth power grid section, T n,min ≤T n ≤T n，max , the T n,min and T n，max Respectively represent the lower limit and upper limit of the power grid section; the U a (t) and U b (t) respectively represent the voltage of any connection node a and any connection node b in the power grid topology structure in the tth period; the θ ab ((t) represents the phase difference between any connection node a and any connection node b in the power grid topology structure in the tth period; ab and B ab They respectively represent the conductance and susceptance between any connection node a and any connection node b in the power grid topology.

[0026] Furthermore, the expressions of the preset system total adjustment objective function, thermal power unit operation constraints, new energy unit operation constraints and power balance constraints are as follows:

[0027] The expression of the preset system total adjustment amount objective function is:

[0028]

[0029] Wherein, F represents the total system adjustment; C i，t represents the deviation adjustment cost of the i-th unit in the t-th period; I represents the total number of units; T represents the number of time periods;

[0030] The expression of the motor group operation constraint is:

[0031]

[0032] Among them, the Know Respectively represent the active power of the i-th thermal power unit in the t-th period and the t-1-th period; Know They respectively represent the downward climbing threshold and upward climbing threshold of the active power of the i-th thermal power unit; and Respectively represent the lower limit and upper limit of the active power output of the i-th thermal power unit; represents the reactive power of the i-th thermal power unit in the t-th period; and Respectively represent the lower limit and upper limit of reactive power output of thermal power units;

[0033] The expression of the operation constraint of the new energy unit is:

[0034]

[0035] Among them, the represents the output power of the i-th renewable energy unit in the t-th period; Indicates the maximum output power threshold of the i-th renewable energy unit in the t-th period;

[0036] The expression of the power balance constraint is:

[0037]

[0038] Among them, the U min and U max Respectively represent the voltage lower limit and voltage upper limit of any connection node in the power grid topology structure; U(t) represents the voltage of any connection node in the power grid topology structure; θ min and θ max Respectively represent the lower limit value and upper limit value of the phase of any connection node in the power grid topology structure; θ(t) represents the phase value of any connection node in the power grid topology structure; U a (t) and U b (t) respectively represent the voltage of any connection node a and any connection node b in the power grid topology structure in the tth period; the θ ab ((t) represents the phase difference between any connection node a and any connection node b in the power grid topology structure in the tth period; ab and B ab Respectively represent the conductance value and the susceptance value between any connection node a and any connection node b in the power grid topology structure; represents the active power of the i-th thermal power unit in the t-th period; represents the output power of the i-th renewable energy unit in the t-th period; represents the load forecast value of the ith period; represents the adjustable load of the i-th power plant; represents the reactive power of the i-th thermal power unit in the t-th period; represents the i-th reactive load.

[0039] Furthermore, the calculation formula of the deviation adjustment cost is as follows:

[0040]

[0041] Among them, the C i，t represents the deviation adjustment cost; a, b and c represent the first deviation adjustment cost coefficient, the second deviation adjustment cost coefficient and the third deviation adjustment cost coefficient respectively.

[0042] Based on the above method embodiment, the present invention provides a corresponding system embodiment;

[0043] An embodiment of the present invention provides a system for automatically scheduling power grid operation modes, including: a data acquisition module, a scheduling calculation module, and a scheduling result determination module; the scheduling calculation module includes: a stability calculation tool and a clearing calculation tool;

[0044] The data acquisition module is used to acquire the load forecast data corresponding to the power grid operation mode to be arranged and the operation data of each generator set;

[0045] The stability calculation tool is used to calculate the power grid section using the operating data of each generator set;

[0046] The clearing calculation tool is used to solve the system total adjustment amount objective function and constraint conditions preset in the power grid operation scheduling system according to the load forecast data, the operation data of each generator set and the power grid section, and obtain the operation mode and power generation power curve of each generator set when the system total adjustment amount is minimized and the constraint conditions are met; wherein the constraint conditions include the operation constraints of thermal power units, the operation constraints of new energy units and the power balance constraints;

[0047] The scheduling result determination module is used to determine the scheduling result of the power grid operation mode according to the operation mode and power generation curve of each generator set.

[0048] Further, the data acquisition module includes: a keyword extraction tool and a data acquisition unit;

[0049] The keyword extraction tool is used to extract keywords from the scheduling requirement instructions of the power grid operation mode to be scheduled, and obtain the scheduling requirement keywords of the power grid operation mode to be scheduled;

[0050] The data acquisition unit is used to acquire the load forecast data, the operation data of each generator set and the parameters of each component corresponding to the power grid operation mode to be arranged according to the arrangement requirement keywords of the power grid operation mode to be arranged.

[0051] Furthermore, the scheduling result determination module further includes: an operation scheduling knowledge base, a scheduling verification unit and a scheduling result determination unit; the scheduling verification unit includes a power flow calculation tool and an Nk verification calculation tool;

[0052] The operation scheduling knowledge base is used to perform operation scheduling retrieval on the operation mode and power generation curve of each generator set to obtain the operation scheduling strategy, and adjust the operation mode of each generator set according to the operation scheduling strategy to obtain the adjusted operation mode of each generator set;

[0053] The arrangement verification unit is used to use the power flow calculation tool and the Nk verification calculation tool to respectively verify and judge the operation mode of each generator set after adjustment to obtain the verification and judgment result;

[0054] The scheduling result determination unit determines the operation mode of each generator set according to the verification and judgment result.

[0055] Compared with the prior art, the embodiments of the present invention have the following beneficial effects:

[0056] The present invention utilizes an automatic scheduling system that constructs a set of stability calculation tools and clearing calculation tools. The system is suitable for automatically scheduling the operation mode of the power grid. The stability calculation tool in the system is used to calculate the power grid section according to the operation data of each generator set and the parameters of each component. Finally, according to the load forecast data, the operation data of each generator set and the power grid section, the clearing calculation tool is used to solve the system total adjustment amount objective function and constraint conditions preset in the power grid operation scheduling model, and the operation mode and power generation power curve of each generator set are obtained when the system total adjustment amount is minimized and the constraint conditions are met, and then the power grid operation mode scheduling result is determined based on this. That is, the present invention The invention utilizes the constructed integrated stability calculation tool, clearing calculation tool and the automatic scheduling system with preset system total adjustment amount objective function and constraint conditions. The system is suitable for automatically scheduling and calculating the power grid operation mode and generating the power grid operation mode scheduling result, thereby realizing the automation of power grid operation mode scheduling, improving the efficiency of power grid operation mode scheduling, and reducing the risk of scheduling errors caused by manual scheduling due to large calculation amount. It solves the problem that the prior art manually scheduling the power grid operation mode has low automation level and large calculation task amount, resulting in long scheduling time and high scheduling error risk, thereby affecting the efficiency and quality of power grid operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0057] Figure 1 : A flowchart of a method for automatically arranging a power grid operation mode provided by an embodiment of the present invention;

[0058] Figure 2 : A system structure diagram of a power grid operation mode automatic scheduling system provided in an embodiment of the present invention. DETAILED DESCRIPTION

[0059] 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.

[0060] In the description of the present invention, it should be understood that the terms "first", "second" and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.

[0061] Embodiment 1:

[0062] Reference Figure 1 , a flowchart of a method for automatically scheduling a power grid operation mode provided by an embodiment of the present invention, the method is applicable to a system for automatically scheduling a power grid operation mode, the system for automatically scheduling a power grid operation mode comprises a stability calculation tool and a clearing calculation tool, and the method comprises at least the following steps:

[0063] Step S1: Obtain load forecast data corresponding to the grid operation mode to be arranged, operation data of each generator set and parameters of each component;

[0064] In this embodiment, the automatic arrangement system of the power grid operation mode further includes a keyword extraction tool;

[0065] The step of obtaining load forecast data corresponding to the grid operation mode to be arranged, operation data of each generator set and parameters of each component includes:

[0066] The keyword extraction tool is used to extract keywords from the scheduling requirement instructions of the power grid operation mode to be scheduled, so as to obtain the scheduling requirement keywords of the power grid operation mode to be scheduled;

[0067] According to the scheduling requirement keywords of the power grid operation mode to be scheduled, the load forecast data, the operation data of each generator set and the parameters of each component corresponding to the power grid operation mode to be scheduled are obtained.

[0068] In this embodiment, the keyword extraction tool includes but is not limited to a TF-IDF extraction tool, a word frequency statistics tool, a part-of-speech tagging tool, a stop word list filtering tool, and a keyword extraction tool based on deep learning.

[0069] In this embodiment, based on the scheduling demand keywords extracted by the keyword extraction tool, the data monitoring center in the power grid system can be called to obtain the load forecast data, operation data of each generator set and each component parameter corresponding to the power grid to be scheduled.

[0070] Step S2: Calculate the power grid section using a stability calculation tool based on the operating data of each generator set and the parameters of each component;

[0071] In this embodiment, the voltage value, phase value of each node in the power grid topology and the conductance and susceptance between nodes are determined according to the operating data of each generator set and the parameters of each component, and the power grid section is calculated in combination with the calculation formula of the power grid section.

[0072] In this embodiment, the calculation formula of the power grid section is:

[0073]

[0074] Among them, the T n represents the nth power grid section, T n,min ≤T n ≤T n,max , the T n,min and T n，max Respectively represent the lower limit and upper limit of the power grid section; the U a (t) and U b (t) respectively represent the voltage of any connection node a and any connection node b in the power grid topology structure in the tth period; the θ ab (t) represents the phase difference between any connection node a and any connection node b in the power grid topology structure in the tth period; ab and B ab They respectively represent the conductance and susceptance between any connection node a and any connection node b in the power grid topology.

[0075] Step S3: according to the load forecast data, the operation data of each generator set and the power grid section, the clearing calculation tool is used to solve the system total adjustment amount objective function and constraint conditions preset in the power grid operation scheduling model, and the operation mode and power generation power curve of each generator set are obtained when the system total adjustment amount is minimized and the constraint conditions are met; wherein the constraint conditions include the operation constraints of thermal power units, the operation constraints of new energy units and the power balance constraints;

[0076] In this embodiment, the expressions of the preset system total adjustment amount objective function, thermal power unit operation constraints, new energy unit operation constraints and power balance constraints are as follows:

[0077] The expression of the preset system total adjustment amount objective function is:

[0078]

[0079] Wherein, F represents the total system adjustment; C i，t represents the deviation adjustment cost of the i-th unit in the t-th period; I represents the total number of units; T represents the number of time periods;

[0080] The expression of the motor group operation constraint is:

[0081]

[0082] Among them, the Know Respectively represent the active power of the i-th thermal power unit in the t-th period and the t-1-th period; and They respectively represent the downward climbing threshold and upward climbing threshold of the active power of the i-th thermal power unit; and Respectively represent the lower limit and upper limit of the active power output of the i-th thermal power unit; represents the reactive power of the i-th thermal power unit in the t-th period; and Respectively represent the lower limit and upper limit of reactive power output of thermal power units;

[0083] The expression of the operation constraint of the new energy unit is:

[0084]

[0085] Among them, the represents the output power of the i-th renewable energy unit in the t-th period; Indicates the maximum output power threshold of the i-th renewable energy unit in the t-th period;

[0086] The expression of the power balance constraint is:

[0087]

[0088] Among them, the U min and U max Respectively represent the voltage lower limit and voltage upper limit of any connection node in the power grid topology structure; U(t) represents the voltage of any connection node in the power grid topology structure; θ min and θmax Respectively represent the lower limit value and upper limit value of the phase of any connection node in the power grid topology structure; θ(t) represents the phase value of any connection node in the power grid topology structure; U a (t) and U b (t) respectively represent the voltage of any connection node a and any connection node b in the power grid topology structure in the tth period; the θ ab (t) represents the phase difference between any connection node a and any connection node b in the power grid topology structure in the tth period; ab and B ab Respectively represent the conductance value and the susceptance value between any connection node a and any connection node b in the power grid topology structure; represents the active power of the i-th thermal power unit in the t-th period; represents the output power of the i-th renewable energy unit in the t-th period; represents the load forecast value of the ith period; represents the adjustable load of the i-th power plant; represents the reactive power of the i-th thermal power unit in the t-th period; represents the i-th reactive load.

[0089] In this embodiment, the calculation formula of the deviation adjustment cost is as follows:

[0090]

[0091] Among them, the C i，t represents the deviation adjustment cost; a, b and c represent the first deviation adjustment cost coefficient, the second deviation adjustment cost coefficient and the third deviation adjustment cost coefficient respectively.

[0092] Step S4: Determine the result of the grid operation mode arrangement according to the operation mode and power generation curve of each generator set.

[0093] In this embodiment, the automatic scheduling system for power grid operation mode further includes an operation scheduling knowledge base and a scheduling verification module; the scheduling verification module includes a power flow calculation tool and an Nk verification calculation tool;

[0094] Before determining the result of the power grid operation mode arrangement, the method further includes:

[0095] The operation scheduling knowledge base is used to retrieve the operation mode and power generation curve of each generator set to obtain the operation scheduling strategy, and the operation mode of each generator set is adjusted according to the operation scheduling strategy to obtain the adjusted operation mode of each generator set;

[0096] The adjusted operation mode and power generation curve of each generator set are checked and judged respectively by the power flow calculation tool and Nk check calculation tool in the arrangement check module to obtain the check and judgment results;

[0097] The operating mode of each generator set is determined based on the verification results.

[0098] In this embodiment, the construction of the operation scheduling knowledge base includes:

[0099] Obtaining a power grid dispatch text file and a power grid operation text file; wherein the power grid dispatch text file includes but is not limited to a dispatch business guide, a power grid safety operation procedure and a dispatch log; the power grid operation text file includes but is not limited to power grid topology data and power grid operation data;

[0100] The three text embedding units of the BERT model, namely, Embeddings, Segment Embeddings, and Position Embeddings, are used to vectorize the power grid dispatch text files and the power grid operation text files to obtain text feature vectors.

[0101] The multi-layer Transformer encoder in the BERT model is used to associate text feature vectors, generate several power grid operation and dispatch rules, and then build an operation and dispatch knowledge base.

[0102] In this embodiment, the operation mode of each generator set is determined according to the verification result, including:

[0103] When the verification result is not passed, the adjusted operation mode and power generation curve of each generator set are rescheduled and adjusted through the operation and scheduling knowledge base to obtain the re-adjusted operation mode and power generation curve of each generator set;

[0104] The operation mode and power generation curve of each generator set after readjustment are rechecked and judged respectively through the power flow calculation tool and Nk verification calculation tool in the arrangement verification module;

[0105] Until the verification result is passed, the operating mode of each generator set whose verification result is passed is used as the final operating mode of each generator set.

[0106] In this embodiment, the rechecking and judging of the re-adjusted operation mode and power generation curve of each generator set by the power flow calculation tool and the Nk verification calculation tool in the arrangement verification module respectively includes:

[0107] The reactive output and grid section value of each unit are calculated by the power flow calculation tool for the operation mode and power generation power curve of each generator unit after the operation and dispatch knowledge base is adjusted, and the reactive output and grid section value of each unit are obtained. It is judged whether the reactive output and grid section value of each unit exceed the preset reactive output threshold and grid section value threshold according to the reactive output and grid section value of each unit, and the power flow verification result is obtained; wherein, when the reactive output and grid section value of each unit do not exceed the preset reactive output threshold and grid section value threshold, the power flow verification result is qualified, otherwise, the power flow verification result is unqualified;

[0108] Through the Nk verification calculation tool, Nk verification is performed according to the operation mode and power generation curve of each generator set after adjustment in the operation and scheduling knowledge base to obtain the Nk verification result;

[0109] When both the tidal current verification result and the Nk verification result are qualified, the verification judgment result is passed; otherwise, the verification judgment result is failed.

[0110] In this embodiment, Langchain technology can be used to integrate keyword extraction tools, stability calculation tools, clearing calculation tools, operation and scheduling knowledge bases, and orchestration verification modules to construct a power grid daily operation mode orchestration intelligent body. The constructed power grid operation mode orchestration intelligent body can be used to automatically perform power grid operation mode orchestration according to the orchestration demand instructions to generate power grid operation mode orchestration results; wherein, the orchestration verification module includes a flow calculation tool and an Nk verification calculation tool.

[0111] Embodiment 2:

[0112] Reference Figure 2 , is a system structure diagram of a power grid operation mode automatic scheduling system provided by an embodiment of the present invention, the system includes: a data acquisition module, a scheduling calculation module and a scheduling result determination module; the scheduling calculation module includes: a stability calculation tool and a clearing calculation tool;

[0113] The data acquisition module is used to acquire the load forecast data corresponding to the power grid operation mode to be arranged and the operation data of each generator set;

[0114] The stability calculation tool is used to calculate the power grid section using the operating data of each generator set;

[0115] The clearing calculation tool is used to solve the system total adjustment amount objective function and constraint conditions preset in the power grid operation scheduling system according to the load forecast data, the operation data of each generator set and the power grid section, and obtain the operation mode and power generation power curve of each generator set when the system total adjustment amount is minimized and the constraint conditions are met; wherein the constraint conditions include the operation constraints of thermal power units, the operation constraints of new energy units and the power balance constraints;

[0116] The scheduling result determination module is used to determine the scheduling result of the power grid operation mode according to the operation mode and power generation curve of each generator set.

[0117] In this embodiment, the data acquisition module includes: a keyword extraction tool and a data acquisition unit;

[0118] The keyword extraction tool is used to extract keywords from the scheduling requirement instructions of the power grid operation mode to be scheduled, and obtain the scheduling requirement keywords of the power grid operation mode to be scheduled;

[0119] The data acquisition unit is used to acquire the load forecast data, the operation data of each generator set and the parameters of each component corresponding to the power grid operation mode to be arranged according to the arrangement requirement keywords of the power grid operation mode to be arranged.

[0120] In this embodiment, the scheduling result determination module further includes: an operation scheduling knowledge base, a scheduling verification unit and a scheduling result determination unit; the scheduling verification unit includes a power flow calculation tool and an Nk verification calculation tool;

[0121] The operation scheduling knowledge base is used to perform operation scheduling retrieval on the operation mode and power generation curve of each generator set to obtain the operation scheduling strategy, and adjust the operation mode of each generator set according to the operation scheduling strategy to obtain the adjusted operation mode of each generator set;

[0122] The arrangement verification unit is used to use the power flow calculation tool and the Nk verification calculation tool to respectively verify and judge the operation mode of each generator set after adjustment to obtain the verification and judgment result;

[0123] The scheduling result determination unit determines the operation mode of each generator set according to the verification and judgment result.

[0124] The specific embodiments described above further illustrate the purpose, technical solutions and beneficial effects of the present invention. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the scope of protection of the present invention. It is particularly pointed out that for those skilled in the art, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of protection of the present invention.

Claims

1. A method for automatically scheduling power grid operation modes, characterized in that: Applicable to an automatic scheduling system for power grid operation mode, the automatic scheduling system for power grid operation mode includes a stability calculation tool and a clearing calculation tool, and the automatic scheduling method for power grid operation mode includes: Obtain load forecast data corresponding to the grid operation mode to be arranged, operation data of each generator set and parameters of each component; Calculate the power grid section using stability calculation tools based on the operating data of each generator set and the parameters of each component; According to the load forecast data, the operation data of each generator set and the power grid section, the clearing calculation tool is used to solve the system total adjustment amount objective function and constraint conditions preset in the power grid operation scheduling model, and the operation mode and power generation curve of each generator set are obtained when the system total adjustment amount is minimized and the constraint conditions are met; wherein the constraint conditions include the operation constraints of thermal power units, the operation constraints of new energy units and the power balance constraints; The grid operation mode scheduling results are determined based on the operation mode and power generation curve of each generator set.

2. A method for automatically scheduling power grid operation modes according to claim 1, characterized in that: The automatic arrangement system for power grid operation mode also includes a keyword extraction tool; The step of obtaining load forecast data corresponding to the grid operation mode to be arranged, operation data of each generator set and parameters of each component includes: The keyword extraction tool is used to extract keywords from the scheduling requirement instructions of the power grid operation mode to be scheduled, so as to obtain the scheduling requirement keywords of the power grid operation mode to be scheduled; According to the scheduling requirement keywords of the power grid operation mode to be scheduled, the load forecast data, the operation data of each generator set and the parameters of each component corresponding to the power grid operation mode to be scheduled are obtained.

3. A method for automatically scheduling power grid operation modes according to claim 2, characterized in that: The automatic scheduling system for power grid operation mode also includes an operation scheduling knowledge base and a scheduling verification module; The arrangement verification module includes a power flow calculation tool and an Nk verification calculation tool; Before determining the result of the power grid operation mode arrangement, the method further includes: The operation scheduling knowledge base is used to retrieve the operation mode and power generation curve of each generator set to obtain the operation scheduling strategy, and the operation mode of each generator set is adjusted according to the operation scheduling strategy to obtain the adjusted operation mode of each generator set; The adjusted operation mode and power generation curve of each generator set are checked and judged respectively by the power flow calculation tool and Nk check calculation tool in the arrangement check module to obtain the check and judgment results; The operating mode of each generator set is determined based on the verification results.

4. A method for automatically scheduling power grid operation modes according to claim 3, characterized in that: Determining the operation mode of each generator set according to the verification and judgment results includes: When the verification result is not passed, the adjusted operation mode and power generation curve of each generator set are rescheduled and adjusted through the operation scheduling knowledge base to obtain the re-adjusted operation mode and power generation curve of each generator set; The operation mode and power generation curve of each generator set after readjustment are rechecked and judged respectively through the power flow calculation tool and Nk verification calculation tool in the arrangement verification module; Until the verification result is passed, the operating mode of each generator set whose verification result is passed is used as the final operating mode of each generator set.

5. A method for automatically scheduling power grid operation modes according to claim 4, characterized in that: The calculation formula of the power grid section is as follows: Among them, the T n represents the nth power grid section, T n，min ≤T n ≤T n，max , the T n,min and T n，max Respectively represent the lower limit and upper limit of the power grid section; the U a (t) and U b (t) respectively represent the voltage of any connection node a and any connection node b in the power grid topology structure in the tth period; the θ ab (t) represents the phase difference between any connection node a and any connection node b in the power grid topology structure in the tth period; ab and B ab They respectively represent the conductance and susceptance between any connection node a and any connection node b in the power grid topology.

6. A method for automatically scheduling power grid operation modes according to claim 5, characterized in that: The expressions of the preset system total adjustment objective function, thermal power unit operation constraints, new energy unit operation constraints and power balance constraints are as follows: The expression of the preset system total adjustment amount objective function is: Wherein, F represents the total system adjustment; C i，t represents the deviation adjustment cost of the i-th unit in the t-th period; I represents the total number of units; T represents the number of time periods; The expression of the motor group operation constraint is: Among them, the and Respectively represent the active power of the i-th thermal power unit in the t-th period and the t-1-th period; and They respectively represent the downward climbing threshold and upward climbing threshold of the active power of the i-th thermal power unit; and Respectively represent the lower limit and upper limit of the active power output of the i-th thermal power unit; represents the reactive power of the i-th thermal power unit in the t-th period; and Respectively represent the lower limit and upper limit of reactive power output of thermal power units; The expression of the operation constraint of the new energy unit is: Among them, the represents the output power of the i-th renewable energy unit in the t-th period; Indicates the maximum output power threshold of the i-th renewable energy unit in the t-th period; The expression of the power balance constraint is: Among them, the U min and U max Respectively represent the voltage lower limit and voltage upper limit of any connection node in the power grid topology structure; U(t) represents the voltage of any connection node in the power grid topology structure; θ min and θ max Respectively represent the lower limit value and upper limit value of the phase of any connection node in the power grid topology structure; θ(t) represents the phase value of any connection node in the power grid topology structure; U a (t) and U b (t) respectively represent the voltage of any connection node a and any connection node b in the power grid topology structure in the tth period; the θ ab (t) represents the phase difference between any connection node a and any connection node b in the power grid topology structure in the tth period; ab and B ab Respectively represent the conductance value and the susceptance value between any connection node a and any connection node b in the power grid topology structure; represents the active power of the i-th thermal power unit in the t-th period; represents the output power of the i-th renewable energy unit in the t-th period; represents the load forecast value of the ith period; represents the adjustable load of the i-th power plant; represents the reactive power of the i-th thermal power unit in the t-th period; represents the i-th reactive load.

7. A method for automatically scheduling power grid operation modes according to claim 6, characterized in that: The calculation formula of the deviation adjustment cost is as follows: Among them, the C i，t represents the deviation adjustment cost; a, b and c represent the first deviation adjustment cost coefficient, the second deviation adjustment cost coefficient and the third deviation adjustment cost coefficient respectively.

8. A system for automatically scheduling power grid operation modes, characterized in that: include: Data acquisition module, arrangement calculation module and arrangement result determination module; The arrangement calculation module includes: a stable calculation tool and a clearing calculation tool; The data acquisition module is used to acquire the load forecast data corresponding to the power grid operation mode to be arranged and the operation data of each generator set; The stability calculation tool is used to calculate the power grid section using the operating data of each generator set; The clearing calculation tool is used to solve the system total adjustment amount objective function and constraint conditions preset in the power grid operation scheduling system according to the load forecast data, the operation data of each generator set and the power grid section, and obtain the operation mode and power generation power curve of each generator set when the system total adjustment amount is minimized and the constraint conditions are met; wherein the constraint conditions include the operation constraints of thermal power units, the operation constraints of new energy units and the power balance constraints; The scheduling result determination module is used to determine the scheduling result of the power grid operation mode according to the operation mode and power generation curve of each generator set.

9. A system for automatically scheduling power grid operation modes according to claim 8, characterized in that: The data acquisition module includes: a keyword extraction tool and a data acquisition unit; The keyword extraction tool is used to extract keywords from the scheduling requirement instructions of the power grid operation mode to be scheduled, and obtain the scheduling requirement keywords of the power grid operation mode to be scheduled; The data acquisition unit is used to acquire the load forecast data, the operation data of each generator set and the parameters of each component corresponding to the power grid operation mode to be arranged according to the arrangement requirement keywords of the power grid operation mode to be arranged.

10. The automatic scheduling system for power grid operation mode according to claim 9, characterized in that: The arrangement result determination module further includes: an operation scheduling knowledge base, an arrangement verification unit and an arrangement result determination unit; the arrangement verification unit includes a power flow calculation tool and an Nk verification calculation tool; The operation scheduling knowledge base is used to perform operation scheduling retrieval on the operation mode and power generation curve of each generator set to obtain the operation scheduling strategy, and adjust the operation mode of each generator set according to the operation scheduling strategy to obtain the adjusted operation mode of each generator set; The arrangement verification unit is used to use the power flow calculation tool and the Nk verification calculation tool to respectively verify and judge the operation mode of each generator set after adjustment to obtain the verification and judgment result; The scheduling result determination unit determines the operation mode of each generator set according to the verification and judgment result.

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