Power grid operation control method under emergency situation

Abstract

The invention, which belongs to the technical field of network operation control, discloses a power grid operation control method in an emergency situation, comprising the following steps: S1, collecting power grid operation real-time data of a power grid in an operation state; s2, processing the power grid operation real-time data, and determining power grid operation characterization data; s3, comparing and analyzing the power grid operation characterization data, and determining a power grid operation analysis result; and S4, carrying out deep mining on a power grid operation analysis result, and determining a power grid operation management and control method. The method solves the problems that when an existing power grid runs, integration among power grid running data is low, corresponding emergency pre-control measures cannot be rapidly made in the face of power grid emergency situations, the power grid emergency situations cannot be well solved, and consequently the power grid running control effect is poor. Corresponding emergency pre-control measures can be rapidly formulated, the emergency situation of the power grid can be well solved, and the operation control effect of the power grid can be improved.

Description

Technical Field

[0001] The present invention relates to the technical field of power grid operation control, and in particular to a power grid operation control method under emergency conditions. Background Art

[0002] The whole composed of substations of various voltages and transmission and distribution lines in the power system is called the power grid, which includes three units: substation, transmission and distribution. The task of the power grid is to transmit and distribute electric energy and change the voltage. When the power grid is in operation, unified dispatch and hierarchical management are implemented.

[0003] When the existing power grid is in operation, the integration between the power grid operation data is low. When faced with sudden power grid conditions, corresponding emergency prevention and control measures cannot be quickly formulated, and sudden power grid conditions cannot be well resolved, resulting in poor power grid operation control effects. Summary of the invention

[0004] The purpose of the present invention is to provide a method for controlling the operation of a power grid under emergency conditions. When faced with an emergency condition in the power grid, corresponding emergency preventive measures can be quickly formulated, which can better solve the emergency condition in the power grid, improve the effect of power grid operation control, and solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions: A method for controlling power grid operation under emergency conditions comprises the following steps: S1: Collect the grid current, grid voltage and grid power information when the grid is in operation, and determine the real-time operation data of the grid when the grid is in operation; S2: Processing the real-time operation data of the power grid when the power grid is in operation, and determining the power grid operation characterization data when the power grid is in operation; S3: performing comparative analysis on the grid operation characterization data when the grid is in operation, and determining the grid operation analysis result when the grid is in operation; S4: Conduct in-depth mining of the power grid operation analysis results when the power grid is in operation, and determine the power grid operation control method when the power grid is in operation.

[0006] Preferably, in S1, the real-time operation data of the power grid in the operation state is determined, and the following operations are performed: Based on the grid operation control requirements under emergency conditions, current sensors, voltage sensors and power sensors installed at the grid in operation are used to obtain grid current information, grid voltage information and grid power information in real time. Based on the real-time acquired grid current information, grid voltage information and grid power information, the real-time grid operation data of the grid in the operating state is determined.

[0007] Preferably, in S2, the real-time operation data of the power grid in the running state is processed, and the following operations are performed: Obtain real-time data of power grid operation when the power grid is in operation; Based on the sequential retrieval method, the real-time data of the power grid operation when the power grid is in operation is retrieved; Based on the power grid operation control requirements under emergency situations, filter out the power grid operation real-time data that is not valuable for the power grid operation control under emergency situations; Determine the real-time data of the power grid operation that is valuable for the control of the power grid operation under emergency conditions; Obtain real-time data on power grid operation that is valuable for controlling power grid operation under emergency conditions; Based on the principle of mutual exclusivity, some real-time data of power grid operation are grouped; Different power grid operation real-time data groups are determined, and each power grid operation real-time data group stores power grid operation real-time data with the same attributes.

[0008] Preferably, in S2, the real-time operation data of the power grid in the running state is processed, and the following operations are further performed: Obtain different real-time data sets of power grid operation; Based on the internal sorting method, the real-time power grid operation data stored in different real-time power grid operation data groups are uniformly sorted; Determine the real-time data of power grid operation with corresponding arrangement order; The real-time operation data of the power grid having an arrangement order are acquired, and the real-time operation data of the power grid are calculated to determine the power grid operation characterization data when the power grid is in an operation state.

[0009] Preferably, in S3, the grid operation characterization data of the grid in operation state is compared and analyzed, and the following operations are performed: Acquiring grid operation characterization data when the grid is in operation; Based on the power grid operation characterization data, indexing the power grid operation standard data stored in advance and used for comparative analysis of the power grid operation characterization data; Obtain the indexed power grid operation standard data and retrieve the power grid operation standard data; Based on the grid operation standard data, the grid operation characterization data is compared and analyzed to determine the grid operation analysis results when the grid is in operation.

[0010] Preferably, in S3, the power grid operation standard data is indexed and the following operations are performed: Acquiring grid operation characterization data when the grid is in operation; Based on the power grid operation characterization data, each previously stored power grid operation standard data is indexed one by one; Compare and analyze the grid operation standard data indexed one by one with the grid operation characterization data; Until the indexed grid operation standard data matches the grid operation characterization data, the indexed grid operation standard data is the grid operation standard data for comparative analysis of the grid operation characterization data.

[0011] Preferably, in S3, the power grid operation analysis result when the power grid is in operation is determined, and the following operations are performed: Obtaining grid operation characterization data and grid operation standard data; Compare and analyze the grid operation characterization data based on grid operation standard data; In the case where the grid operation characterization data is within the grid operation standard data range, the grid operation analysis result determined when the grid is in operation is that the grid operation state is normal; In the case where the power grid operation characterization data is not within the power grid operation standard data range, the power grid operation analysis result determined when the power grid is in operation is that the power grid operation state is abnormal.

[0012] Preferably, in S4, the power grid operation analysis results in the running state of the power grid are deeply mined, and the following operations are performed: Obtaining grid operation analysis results when the grid is in operation; Based on data mining technology, the power grid operation analysis results are deeply mined and analyzed to determine the reasons for the power grid operation status; Based on reinforcement learning technology and artificial intelligence technology, a correlation analysis is conducted on the causes of the power grid operation status, and the power grid operation control method when the power grid is in operation is determined.

[0013] Preferably, in S4, a method for controlling the operation of a power grid when the power grid is in operation is determined, and the following operations are performed: In the case where the power grid is in a normal operating state, the power grid operation control method determined in the operating state of the power grid is to continuously monitor and analyze the real-time data of the power grid operation in the operating state of the power grid to ensure that the power grid is in a normal operating state; In response to abnormal power grid operation status, the power grid operation control method determined in the operating state is to quickly formulate corresponding emergency prevention and control measures, so that the emergency prevention and control measures can better adapt to the changeable operation mode of the power grid when it is online, and better solve the sudden situation of the power grid.

[0014] Preferably, in S4, after the emergency preventive control measures are formulated, the emergency preventive control measures are promptly transmitted to the power grid operation control terminal, so that the power grid operation control terminal can solve the power grid operation problems under the sudden power grid conditions.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The present invention collects grid current, grid voltage and grid power information when the grid is in operation, determines real-time grid operation data when the grid is in operation, processes the real-time grid operation data when the grid is in operation, determines grid operation characterization data when the grid is in operation, compares and analyzes the grid operation characterization data when the grid is in operation, determines grid operation analysis results when the grid is in operation, deeply mines the grid operation analysis results when the grid is in operation, determines a grid operation control method when the grid is in operation, and can quickly formulate corresponding emergency pre-control measures when facing grid emergencies, can better solve grid emergencies, and can improve grid operation control effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a flow chart of the method for controlling the operation of a power grid under an emergency situation of the present invention; Figure 2 The present invention is an algorithm flow chart of the power grid operation control method under emergency conditions. DETAILED DESCRIPTION

[0017] 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.

[0018] In order to solve the problem that the integration of grid operation data is low during the operation of the existing power grid, the corresponding emergency control measures cannot be quickly formulated when facing power grid emergencies, and the power grid emergencies cannot be well solved, resulting in poor power grid operation control effect, please refer to Figure 1-Figure 2 , this embodiment provides the following technical solutions: A method for controlling power grid operation under emergency conditions comprises the following steps: S1: Collect the grid current, grid voltage and grid power information when the grid is in operation, and determine the real-time operation data of the grid when the grid is in operation; In this embodiment, as a preferred technical solution of the present invention, in S1, the real-time operation data of the power grid in the running state is determined, and the following operations are performed: Based on the grid operation control requirements under emergency conditions, current sensors, voltage sensors and power sensors installed at the grid in operation are used to obtain grid current information, grid voltage information and grid power information in real time. Specifically, based on the real-time acquired grid current information, grid voltage information and grid power information, the real-time grid operation data of the grid in the operating state is determined.

[0019] S2: Processing the real-time operation data of the power grid when the power grid is in operation, and determining the power grid operation characterization data when the power grid is in operation; In this embodiment, as a preferred technical solution of the present invention, in S2, the real-time operation data of the power grid in the running state is processed, and the following operations are performed: Obtain real-time data of power grid operation when the power grid is in operation; Based on the sequential retrieval method, the real-time data of the power grid operation when the power grid is in operation is retrieved; Based on the power grid operation control requirements under emergency situations, filter out the power grid operation real-time data that is not valuable for the power grid operation control under emergency situations; Determine the real-time data of the power grid operation that is valuable for the control of the power grid operation under emergency conditions; Obtain real-time data on power grid operation that is valuable for controlling power grid operation under emergency conditions; Based on the principle of mutual exclusivity, some real-time data of power grid operation are grouped; Determine different power grid operation real-time data groups, and each power grid operation real-time data group stores power grid operation real-time data with the same attributes; Obtain different real-time data sets of power grid operation; Based on the internal sorting method, the real-time power grid operation data stored in different real-time power grid operation data groups are uniformly sorted; Determine the real-time data of power grid operation with corresponding arrangement order; The real-time operation data of the power grid having an arrangement order are acquired, and the real-time operation data of the power grid are calculated to determine the power grid operation characterization data when the power grid is in an operation state.

[0020] By adopting the above technical scheme, by acquiring the real-time operation data of the power grid when the power grid is in operation and searching the real-time operation data of the power grid, the real-time operation data of the power grid that is valuable for the control of the power grid operation under emergency conditions is determined; by grouping part of the real-time operation data of the power grid, different groups of real-time operation data of the power grid are determined; by uniformly sorting the real-time operation data of the power grid stored in different groups of real-time operation data of the power grid, the real-time operation data of the power grid with a corresponding arrangement order is determined; by calculating the real-time operation data of the power grid, the power grid operation characterization data of the power grid when the power grid is in operation is determined, so as to facilitate the subsequent comparative analysis of the power grid operation characterization data of the power grid when the power grid is in operation.

[0021] S3: performing comparative analysis on the grid operation characterization data when the grid is in operation, and determining the grid operation analysis result when the grid is in operation; In this embodiment, as a preferred technical solution of the present invention, in S3, the grid operation characterization data of the grid in the operating state is compared and analyzed, and the following operations are performed: Acquiring grid operation characterization data when the grid is in operation; Based on the power grid operation characterization data, indexing the power grid operation standard data stored in advance and used for comparative analysis of the power grid operation characterization data; Obtain the indexed power grid operation standard data and retrieve the power grid operation standard data; Based on the grid operation standard data, the grid operation characterization data is compared and analyzed to determine the grid operation analysis results when the grid is in operation.

[0022] By adopting the above technical scheme, by acquiring the grid operation characterization data when the grid is in operation, the grid operation standard data is indexed based on the grid operation characterization data, and the grid operation characterization data is compared and analyzed through the grid operation standard data to determine the grid operation analysis results when the grid is in operation, so as to facilitate the subsequent emergency control of the grid operation.

[0023] In this embodiment, as a preferred technical solution of the present invention, in S3, the power grid operation standard data is indexed and the following operations are performed: Acquiring grid operation characterization data when the grid is in operation; Based on the power grid operation characterization data, each previously stored power grid operation standard data is indexed one by one; Compare and analyze the grid operation standard data indexed one by one with the grid operation characterization data; Until the indexed grid operation standard data matches the grid operation characterization data, the indexed grid operation standard data is the grid operation standard data for comparative analysis of the grid operation characterization data.

[0024] In this embodiment, as a preferred technical solution of the present invention, in S3, the power grid operation analysis result when the power grid is in operation is determined, and the following operations are performed: Obtaining grid operation characterization data and grid operation standard data; Compare and analyze the grid operation characterization data based on grid operation standard data; In the case where the grid operation characterization data is within the grid operation standard data range, the grid operation analysis result determined when the grid is in operation is that the grid operation state is normal; In the case where the power grid operation characterization data is not within the power grid operation standard data range, the power grid operation analysis result determined when the power grid is in operation is that the power grid operation state is abnormal.

[0025] S4: Conduct in-depth mining of the power grid operation analysis results when the power grid is in operation, and determine the power grid operation control method when the power grid is in operation.

[0026] In this embodiment, as a preferred technical solution of the present invention, in S4, the power grid operation analysis results in the running state of the power grid are deeply mined, and the following operations are performed: Obtaining grid operation analysis results when the grid is in operation; Based on data mining technology, the power grid operation analysis results are deeply mined and analyzed to determine the reasons for the power grid operation status; Based on reinforcement learning technology and artificial intelligence technology, a correlation analysis is conducted on the causes of the power grid operation status, and the power grid operation control method when the power grid is in operation is determined.

[0027] By adopting the above technical scheme, by obtaining the grid operation analysis results when the grid is in operation, based on the data mining technology, the grid operation analysis results when the grid is in operation are deeply mined and analyzed to determine the cause of the grid operation state. By using the reinforcement learning technology and artificial intelligence technology, the correlation analysis of the cause of the grid operation state is carried out to determine the grid operation control method when the grid is in operation, which is convenient for emergency control of the grid operation, can better solve the sudden situation of the grid, and can improve the grid operation control effect.

[0028] In this embodiment, as a preferred technical solution of the present invention, in S4, a method for controlling the operation of a power grid in an operating state is determined, and the following operations are performed: In the case where the power grid is in a normal operating state, the power grid operation control method determined in the operating state of the power grid is to continuously monitor and analyze the real-time data of the power grid operation in the operating state of the power grid to ensure that the power grid is in a normal operating state; In response to abnormal power grid operation status, the power grid operation control method determined in the operating state is to quickly formulate corresponding emergency prevention and control measures, so that the emergency prevention and control measures can better adapt to the changeable operation mode of the power grid when it is online, and better solve the sudden situation of the power grid.

[0029] In this embodiment, as the preferred technical solution of the present invention, in S4, after the emergency preventive control measures are formulated, the emergency preventive control measures are promptly transmitted to the power grid operation control terminal, so that the power grid operation control terminal can solve the power grid operation problems under sudden power grid conditions.

[0030] Specifically, a method for controlling the operation of a power grid under an emergency situation is used to control the operation of a power grid under an emergency situation, wherein the operation control of a power grid under an emergency situation is shown in Table 1: Table 1: Grid operation control under emergency conditions Compare and analyze grid operation characterization data based on grid operation standard data Grid operation analysis results when the grid is in operation Power grid operation control method when the power grid is in operation The grid operation characterization data is within the range of grid operation standard data The power grid is operating normally Continuously monitor and analyze the real-time data of the power grid operation to ensure the normal operation of the power grid The grid operation characterization data is not within the scope of the grid operation standard data The power grid is operating abnormally Quickly formulate corresponding emergency prevention and control measures so that they can better adapt to the changing operation mode of the power grid when it is online and better solve the emergencies of the power grid Therefore, by collecting the grid current, grid voltage and grid power information when the grid is in operation, the real-time data of the grid operation when the grid is in operation is determined, the real-time data of the grid operation when the grid is in operation is processed, the grid operation characterization data when the grid is in operation is determined, the grid operation characterization data when the grid is in operation is compared and analyzed, the grid operation analysis results when the grid is in operation are determined, the grid operation analysis results when the grid is in operation are deeply mined, and the grid operation control method when the grid is in operation is determined. When facing sudden situations in the grid, corresponding emergency prevention and control measures can be quickly formulated, which can better solve sudden situations in the grid and improve the control effect of grid operation.

[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A method for controlling power grid operation under emergency conditions, characterized in that: The steps include: S1: Collect the grid current, grid voltage and grid power information when the grid is in operation, and determine the real-time operation data of the grid when the grid is in operation; S2: Processing the real-time operation data of the power grid when the power grid is in operation, and determining the power grid operation characterization data when the power grid is in operation; S3: performing comparative analysis on the grid operation characterization data when the grid is in operation, and determining the grid operation analysis result when the grid is in operation; S4: Conduct in-depth mining of the power grid operation analysis results when the power grid is in operation, and determine the power grid operation control method when the power grid is in operation.

2. A method for controlling power grid operation under emergency conditions according to claim 1, characterized in that: In S1, the real-time operation data of the power grid in the operation state is determined, and the following operations are performed: Based on the grid operation control requirements under emergency conditions, current sensors, voltage sensors and power sensors installed at the grid in operation are used to obtain grid current information, grid voltage information and grid power information in real time. Based on the real-time acquired grid current information, grid voltage information and grid power information, the real-time grid operation data of the grid in the operating state is determined.

3. A method for controlling power grid operation under emergency conditions according to claim 2, characterized in that: In S2, the real-time operation data of the power grid in the running state is processed, and the following operations are performed: Obtain real-time data of power grid operation when the power grid is in operation; Based on the sequential retrieval method, the real-time data of the power grid operation when the power grid is in operation is retrieved; Based on the power grid operation control requirements under emergency situations, filter out the power grid operation real-time data that is not valuable for the power grid operation control under emergency situations; Determine the real-time data of the power grid operation that is valuable for the control of the power grid operation under emergency conditions; Obtain real-time data on power grid operation that is valuable for controlling power grid operation under emergency conditions; Based on the principle of mutual exclusivity, some real-time data of power grid operation are grouped; Different power grid operation real-time data groups are determined, and each power grid operation real-time data group stores power grid operation real-time data with the same attributes.

4. A method for controlling power grid operation under emergency conditions according to claim 3, characterized in that: In S2, the real-time operation data of the power grid in the running state is processed, and the following operations are performed: Obtain different real-time data sets of power grid operation; Based on the internal sorting method, the real-time power grid operation data stored in different real-time power grid operation data groups are uniformly sorted; Determine the real-time data of power grid operation with corresponding arrangement order; The real-time operation data of the power grid having an arrangement order are acquired, and the real-time operation data of the power grid are calculated to determine the power grid operation characterization data when the power grid is in an operation state.

5. A method for controlling power grid operation under emergency conditions according to claim 4, characterized in that: In S3, the grid operation characterization data of the grid in operation state is compared and analyzed, and the following operations are performed: Acquiring grid operation characterization data when the grid is in operation; Based on the power grid operation characterization data, indexing the power grid operation standard data stored in advance and used for comparative analysis of the power grid operation characterization data; Obtain the indexed power grid operation standard data and retrieve the power grid operation standard data; Based on the grid operation standard data, the grid operation characterization data is compared and analyzed to determine the grid operation analysis results when the grid is in operation.

6. A method for controlling power grid operation under emergency conditions according to claim 5, characterized in that: In S3, the power grid operation standard data is indexed and the following operations are performed: Acquiring grid operation characterization data when the grid is in operation; Based on the power grid operation characterization data, each previously stored power grid operation standard data is indexed one by one; Compare and analyze the grid operation standard data indexed one by one with the grid operation characterization data; Until the indexed grid operation standard data matches the grid operation characterization data, the indexed grid operation standard data is the grid operation standard data for comparative analysis of the grid operation characterization data.

7. A method for controlling power grid operation under emergency conditions according to claim 6, characterized in that: In S3, the power grid operation analysis result when the power grid is in operation is determined, and the following operations are performed: Obtaining grid operation characterization data and grid operation standard data; Compare and analyze the grid operation characterization data based on grid operation standard data; In the case where the grid operation characterization data is within the grid operation standard data range, the grid operation analysis result determined when the grid is in operation is that the grid operation state is normal; In the case where the power grid operation characterization data is not within the power grid operation standard data range, the power grid operation analysis result determined when the power grid is in operation is that the power grid operation state is abnormal.

8. A method for controlling power grid operation under emergency conditions according to claim 7, characterized in that: In S4, the power grid operation analysis results in the operating state of the power grid are deeply mined, and the following operations are performed: Obtaining grid operation analysis results when the grid is in operation; Based on data mining technology, the power grid operation analysis results are deeply mined and analyzed to determine the reasons for the power grid operation status; Based on reinforcement learning technology and artificial intelligence technology, a correlation analysis is conducted on the causes of the power grid operation status, and the power grid operation control method when the power grid is in operation is determined.

9. A method for controlling power grid operation under emergency conditions according to claim 8, characterized in that: In S4, a method for controlling the operation of a power grid when the power grid is in operation is determined, and the following operations are performed: In the case where the power grid is in a normal operating state, the power grid operation control method determined in the operating state of the power grid is to continuously monitor and analyze the real-time data of the power grid operation in the operating state of the power grid to ensure that the power grid is in a normal operating state; In response to abnormal power grid operation status, the power grid operation control method determined in the operating state is to quickly formulate corresponding emergency prevention and control measures, so that the emergency prevention and control measures can better adapt to the changeable operation mode of the power grid when it is online, and better solve the sudden situation of the power grid.

10. A method for controlling power grid operation under emergency conditions according to claim 9, characterized in that: In S4, after the emergency pre-control measures are formulated, the emergency pre-control measures are transmitted to the power grid operation control terminal in a timely manner, so that the power grid operation control terminal can solve the power grid operation problems under the emergency conditions of the power grid.

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