Bus voltage regulation method and system based on power distribution network topology model, and medium

Abstract

The invention relates to a bus voltage regulation method and system based on a power distribution network topology model and a medium, and the method comprises the following steps: carrying out the topology recognition of a power distribution network, determining the specific connection modes of each bus, line, transformer and load, and constructing a connected graph of the network; estimating the operation state of the whole power grid through a state estimation algorithm by using real-time measurement data and the topological model, including the voltage amplitude and the phase angle of an unknown node; monitoring the voltage level of each bus according to a state estimation result, and evaluating whether the voltage level meets a voltage quality standard or not; based on a voltage monitoring result, applying an optimization algorithm; determining the most effective voltage regulation measure; and issuing the formulated voltage regulation strategy to corresponding control equipment for execution, performing state estimation again, and verifying the voltage regulation effect. Stable operation and power supply quality of the power distribution network are powerfully guaranteed, and a foundation is laid for further intelligent and automatic management of the power distribution network.

Description

Technical Field

[0001] The present application relates to the technical field of power grids, and in particular to a bus voltage regulation method, system and medium based on a distribution network topology model. Background Art

[0002] With the development of the power system, the topological structure of the distribution network has become increasingly complex. As a key technology to maintain the stable operation of the power grid, the research and application of bus voltage regulation have received extensive attention. However, there are some defects and deficiencies in the existing technologies for bus voltage regulation, which are mainly manifested in the following aspects:

[0003] I. Complexity of topological structure: With the access of new energy, the topological structure of the distribution network is more complex, and traditional voltage regulation methods are difficult to adapt to the dynamically changing topological structure. This results in insufficient response speed and accuracy of voltage regulation, affecting the stability of the power grid.

[0004] II. Limitations of voltage regulation strategies: The control strategies of the existing Automatic Voltage Control (AVC) systems are based on limit adjustment, and there are problems of untimely regulation and overshoot of individual devices in some cases. Due to control strategy reasons, situations such as instantaneous voltage over-limit, equipment locking of voltage regulation, and voltage regulation contradictions may occur. If manual monitoring is not in place, it is difficult to meet the voltage quality requirements.

[0005] III. Equipment quality and capital issues: Due to the uneven quality of substation equipment and too many remaining defects in on-load tap-changers, reactive power compensation equipment, etc., the AVC cannot automatically regulate the voltage. Manual monitoring and manual adjustment cannot meet the requirements, and only on-site voltage regulation by maintenance personnel can be carried out, and the voltage quality is difficult to guarantee. At the same time, the shortage of transformation funds restricts the improvement of the equipment operation level. Summary of the Invention

[0006] The purpose of the embodiments of the present application is to provide a bus voltage regulation method, system and medium based on a distribution network topology model, which clearly reflects the electrical connection relationship and power flow situation among various nodes in the power grid by establishing a mathematical model of the distribution network. By real-time monitoring and analyzing the operation state of the power grid, and using advanced control strategies such as model predictive control and adaptive control, the bus voltage is effectively regulated to cope with the rapidly changing grid conditions and improve the response speed and accuracy of voltage regulation.

[0007] To achieve the above object, the present application provides the following technical solutions:

[0008] In a first aspect, the embodiments of the present application provide a bus voltage regulation method based on a distribution network topology model, including the following steps:

[0009] Topological analysis: Perform topological identification on the distribution network to determine the specific connection methods of each bus, line, transformer and load, and construct a connectivity graph of the network;

[0010] State estimation: Using real-time measurement data and the above topological model, estimate the operating state of the entire power grid through state estimation algorithms, including the voltage amplitude and phase angle of unknown nodes;

[0011] Voltage monitoring and evaluation: According to the results of state estimation, monitor the voltage levels of each bus and evaluate whether they meet the voltage quality standards;

[0012] Voltage regulation strategy formulation: Based on the voltage monitoring results, use optimization algorithms to determine the most effective voltage regulation measures;

[0013] Execution and feedback: Send the formulated voltage regulation strategy to the corresponding control equipment for execution, and perform state estimation again to verify the voltage regulation effect.

[0014] The topological identification of the distribution network to determine the specific connection methods of each bus, line, transformer, and load, and construct the connectivity graph of the network is specifically as follows:

[0015] Data collection: Collect information on all components in the distribution network, including buses, lines, transformers, and loads, through the PMS system, design drawings, or on-site measurements;

[0016] Component identification: Identify each component in the distribution network, including buses;, lines;, transformers;, and loads;

[0017] Connection method analysis: Analyze the connection methods between components to determine the connection relationships, including identifying the starting and ending buses of the line, the input and output buses of the transformer, and the bus to which the load is connected;

[0018] Construct connectivity graph: Based on the above analysis, construct the connectivity graph of the distribution network;

[0019] Verification and adjustment: Compare with on-site data and make necessary modifications to the graph during the construction of the connectivity graph to ensure its accuracy.

[0020] The use of real-time measurement data and the above topological model to estimate the operating state of the entire power grid through state estimation algorithms, including the voltage amplitude and phase angle of unknown nodes is specifically as follows:

[0021] Real-time data acquisition: Real-time collect data on key electrical parameters such as voltage, current, and power from the distribution network system;

[0022] Data preprocessing: Perform necessary preprocessing on the collected data, including data cleaning, filtering, and verification, to ensure the accuracy and availability of the data;

[0023] Topological model application: Through the obtained topological model of the distribution network, using the state estimation algorithm, combined with real-time data and the topological model, estimate the operating state of the entire power grid;

[0024] Result verification: Verify the results of state estimation to ensure the accuracy and reliability of the estimation.

[0025] According to the results of state estimation, monitor the voltage levels of each bus and evaluate whether they meet the voltage quality standards. Specifically:

[0026] Voltage level monitoring: According to the results of state estimation, monitor the voltage levels of each bus in the distribution network to ensure the real-time and accuracy of voltage data;

[0027] Voltage quality standard comparison: Compare the monitored bus voltage levels with the voltage quality standards;

[0028] Voltage deviation assessment: Evaluate whether the bus voltage is within the specified voltage quality standard range to determine whether the voltage meets the requirements;

[0029] Voltage regulation operation decision: If it is found that the voltage of a certain bus deviates from the rated value, that is, exceeds the allowable voltage fluctuation range, a decision on voltage regulation operation needs to be made.

[0030] Based on the voltage monitoring results, use an optimization algorithm; determine the most effective voltage regulation measures. Specifically,

[0031] Voltage regulation data filtering: Filter the collected voltage data to ensure the accuracy and availability of the data, and provide high-quality input data for state estimation and optimization algorithms;

[0032] Optimization algorithm selection: Select a suitable optimization algorithm to determine the most effective voltage regulation measures;

[0033] Voltage regulation measure formulation: Based on the results of the optimization algorithm, formulate voltage regulation measures, which mainly include adjusting the transformation ratio of transformers, switching capacitors / reactors, and adjusting generator excitation;

[0034] Cost-benefit analysis: Conduct a cost-benefit analysis of the formulated voltage regulation measures to ensure the maximization of the voltage qualification rate at the minimum cost.

[0035] The formulated voltage regulation strategy is sent to the corresponding control equipment for execution, and state estimation is performed again to verify the voltage regulation effect. Specifically,

[0036] Voltage regulation strategy distribution: Send the formulated voltage regulation strategy to the corresponding control equipment in the distribution network;

[0037] Control equipment execution: The corresponding control equipment performs operations according to the sent voltage regulation strategy;

[0038] State re - estimation: After the control device performs voltage regulation operations, re - estimate the state to obtain updated data on the grid operation status;

[0039] Verification of voltage regulation effect: Utilize the results of state estimation to verify the effect of voltage regulation operations, including whether the voltage amplitude and phase angle have reached the expected goals;

[0040] Assessment of goal achievement: Evaluate whether the voltage regulation effect meets the voltage quality standards and expected goals;

[0041] Strategy adjustment: If the voltage regulation effect does not reach the expected goal, analyze the reasons and adjust the voltage regulation strategy;

[0042] Re - execution and verification: Send the adjusted voltage regulation strategy to the control device for execution, and repeat the steps of state estimation and effect verification;

[0043] Recording and reporting: Record the execution process of the voltage regulation strategy, the results of effect verification, and any necessary strategy adjustments, and compile a detailed voltage regulation operation report.

[0044] In a second aspect, an embodiment of the present application provides a bus voltage regulation system based on a distribution network topology model, including a memory and a processor. The memory includes a program for the bus voltage regulation method based on the distribution network topology model. When the program for the bus voltage regulation method based on the distribution network topology model is executed by the processor, the following steps are implemented: Topological analysis: Identify the topology of the distribution network to determine the specific connection methods of each bus, line, transformer, and load, and construct a connectivity graph of the network; State estimation: Utilize real - time measurement data and the above - mentioned topology model to estimate the operation state of the entire power grid through a state estimation algorithm, including the voltage amplitude and phase angle of unknown nodes; Voltage monitoring and assessment: According to the results of state estimation, monitor the voltage levels of each bus and evaluate whether they meet the voltage quality standards; Voltage regulation strategy formulation: Based on the voltage monitoring results, use an optimization algorithm to determine the most effective voltage regulation measures; Execution and feedback: Send the formulated voltage regulation strategy to the corresponding control device for execution, and perform state estimation again to verify the voltage regulation effect.

[0045] In a third aspect, an embodiment of the present application provides a computer - readable storage medium, on which a computer program is stored. When the computer program is executed by a processor, the steps of the bus voltage regulation method based on the distribution network topology model as described above are implemented.

[0046] Compared with the prior art, the beneficial effects of the present invention are:

[0047] (A) A bus voltage regulation method based on the distribution network topology model provided by the present invention can maximize the voltage qualification rate at the minimum cost while meeting the voltage quality standards by using optimization algorithms such as linear programming and genetic algorithms. Cost-benefit analysis helps to clarify goals and priorities, rationally allocate limited resources, and ensure the optimal use of resources.

[0048] (B) The voltage regulation strategy of the present invention based on real-time measurement data and optimization algorithms not only improves the accuracy and economy of voltage regulation, but also enhances the flexibility, adaptability, and transparency of the system, providing strong support for the stable operation of the power system. BRIEF DESCRIPTION OF THE DRAWINGS

[0049] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the accompanying drawings required for use in the embodiments of the present application will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present application and should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.

[0050] Figure 1 It is a flowchart of a bus voltage regulation method based on the distribution network topology model provided by the present application. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0051] The technical solutions in the embodiments of the present application will be described below with reference to the accompanying drawings in the embodiments of the present application. It should be noted that: similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0052] The term "including", "comprising" or any other variant thereof is intended to cover a non-exclusive inclusion, such that a process, method, article or device including a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the phrase "including a..." does not exclude the presence of additional identical elements in the process, method, article or device including the element.

[0053] The terms "first", "second", etc. are only used to distinguish one entity or operation from another entity or operation, and cannot be understood as indicating or implying relative importance, nor can it be understood as requiring or implying any actual relationship or order between these entities or operations.

[0054] Figure 1 It is a flowchart of a bus voltage regulation method based on the distribution network topology model provided by the present invention.

[0055] The method provided by the present invention includes the following steps:

[0056] Step 1: Distribution network topology identification and state estimation. At the initial stage of the distribution network voltage regulation process, the collection of real-time measurement data is the basic work, involving key electrical parameters such as voltage, current, and power. These data are used to construct a network model of the distribution network, which details the connection methods between buses, lines, transformers, and loads, and draws a connectivity graph of the power grid. The distribution network topology identification further confirms the specific connection methods and network structure of each component in the power grid. Subsequently, a state estimation algorithm is applied, which combines real-time data and the distribution network topology model to predict the operating state of the entire power grid, including the voltage amplitude and phase angle of the buses. Finally, the voltage levels of each bus are monitored, which provides an important basis for subsequent calculation of the voltage qualification rate and formulation of voltage regulation strategies;

[0057] The process of distribution network topology identification and state estimation in the present invention mainly consists of the following five sub-steps:

[0058] Step 11: Identify and confirm the specific connection methods and network structure of each component in the power grid through the distribution network model.

[0059] Step 12: Use the collected data to construct a network model of the distribution network, including the connection methods of buses, lines, transformers, and loads, to form a connectivity graph of the network.;

[0060] Step 13: Collect real-time measurement data of key electrical parameters such as voltage, current, and power in the distribution network;

[0061] Step 14: Apply a state estimation algorithm to estimate the operating state of the entire power grid, including the voltage amplitude and phase angle of the buses, by combining real-time data and the distribution network topology model.

[0062] Step 15: Monitor the voltage levels of each bus to provide a basis for subsequent calculation of the voltage qualification rate and formulation of voltage regulation strategies.

[0063] Step 2: Formulation and execution of voltage regulation strategies. In the execution stage of the distribution network voltage regulation process, it involves calculating the voltage qualification rate of the buses based on the state estimation results and evaluating whether the voltage levels meet the specified range. If the voltage quality does not meet the standard, a voltage regulation strategy needs to be formulated, which may cover measures such as adjusting the transformer ratio, switching capacitors or reactors, and adjusting the generator excitation. The voltage regulation strategy is then sent to the relevant control devices for execution, including operations such as adjusting the transformer tap position and switching reactive power compensation devices. After the voltage regulation operation is completed, the bus voltage data is filtered to eliminate outliers and ensure the accuracy and reliability of the data. This series of operations aims to optimize the voltage level of the power grid and ensure its stability and power supply quality;

[0064] Step 2 includes the following steps:

[0065] Step 21: According to the state estimation result, calculate the voltage qualification rate of the buses in the distribution network and determine whether the voltage level is within the specified range;

[0066] Step 22: Evaluate whether the voltage quality of the distribution network meets the standard and determine whether voltage regulation operations are required;

[0067] Step 23: If the voltage quality does not meet the standard, formulate a voltage regulation strategy, which may include means such as adjusting the transformation ratio of transformers, switching capacitors / reactors, and adjusting the excitation of generators;

[0068] Step 24: Send the voltage regulation strategy to the corresponding control equipment for execution, such as adjusting the tap position of the transformer, switching reactive power compensation equipment, etc.;

[0069] Step 25: After performing the voltage regulation operation, filter the bus voltage data to remove outliers and ensure the accuracy of the data.

[0070] Step 3: In the verification stage of the voltage regulation process, after performing the voltage regulation operation, it is necessary to re - perform state estimation to obtain the latest operating state data of the power grid. By analyzing these new data, verify the effect of the voltage regulation operation, including checking the improvement of the voltage qualification rate and whether the voltage quality standard is met. In addition, it is necessary to specifically check whether there is a low - voltage problem in the power grid after voltage regulation to ensure the effectiveness of the voltage regulation measures. If the voltage regulation effect fails to meet the expected goal or the low - voltage situation still exists, adjust the voltage regulation strategy according to the evaluation result and re - perform the voltage regulation operation. Once the voltage regulation effect reaches the expected goal, confirm that the voltage regulation is successful and end the process. If the voltage regulation effect still does not meet the requirements, continue to adjust the strategy and verify the effect until the voltage quality meets the specified requirements. This process ensures the continuous optimization of the voltage regulation strategy until the voltage regulation of the distribution network reaches the best state.

[0071] Step 3 includes the following steps:

[0072] Step 31: After performing the voltage regulation operation, re - perform state estimation to obtain updated operating state data of the power grid;

[0073] Step 32: Use the new state estimation result to verify the effect of the voltage regulation operation, check whether the voltage qualification rate has increased and whether it meets the voltage quality standard;

[0074] Step 33: Specifically check whether there is a low - voltage situation in the adjusted power grid to ensure the effectiveness of the voltage regulation measures;

[0075] Step 34: If the voltage regulation effect fails to reach the expected goal or there is a low voltage situation, adjust the voltage regulation strategy according to the evaluation results and perform the voltage regulation operation again.

[0076] Step 35: If the voltage regulation effect reaches the expected goal, confirm the successful voltage regulation and end the process. If the goal is not achieved, continue with strategy adjustment and verification until the voltage quality requirements are met.

[0077] After the above three steps, a bus voltage regulation method based on the distribution network topology model is formed, which provides a strong guarantee for the stable operation of the distribution network and the power supply quality, and at the same time lays a foundation for the further intelligent and automated management of the power grid.

[0078] The embodiment of the present application provides a bus voltage regulation system based on the distribution network topology model, including a memory and a processor. The memory includes a program of the bus voltage regulation method based on the distribution network topology model. When the program of the bus voltage regulation method based on the distribution network topology model is executed by the processor, the following steps are implemented: Topological analysis: Perform topological identification on the distribution network to determine the specific connection methods of each bus, line, transformer, and load, and construct a connectivity graph of the network; State estimation: Use real-time measurement data and the above topological model to estimate the operating state of the entire power grid through a state estimation algorithm, including the voltage amplitude and phase angle of unknown nodes; Voltage monitoring and evaluation: Monitor the voltage levels of each bus according to the results of state estimation and evaluate whether the voltage quality standards are met; Voltage regulation strategy formulation: Based on the voltage monitoring results, use an optimization algorithm to determine the most effective voltage regulation measures; Execution and feedback: Send the formulated voltage regulation strategy to the corresponding control device for execution, and perform state estimation again to verify the voltage regulation effect.

[0079] The embodiment of the present application provides a computer-readable storage medium, on which a computer program is stored. When the computer program is executed by a processor, the steps of the bus voltage regulation method based on the distribution network topology model as described above are implemented.

[0080] Those skilled in the art should understand that the embodiments of the present application can be provided as a method, a system, or a computer program product. Therefore, the present application can adopt the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware aspects. Moreover, the present application can adopt the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk memory, CD-ROM, optical memory, etc.) containing computer-usable program code.

[0081] This application is described with reference to the flowcharts and / or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It should be understood that each flow and / or block in the flowchart and / or block diagram, and combinations of flows and / or blocks in the flowchart and / or block diagram, can be implemented by computer program instructions. These computer program instructions can be provided to the processor of a general-purpose computer, special-purpose computer, embedded processor, or other programmable data processing device to produce a machine, such that the instructions executed by the processor of the computer or other programmable data processing device generate means for implementing the functions specified in one or more of the flows Figure 1 one or more of the flows and / or blocks Figure 1 or means for implementing the functions specified in one or more of the blocks.

[0082] These computer program instructions can also be stored in a computer-readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer-readable memory produce a manufacture including instruction means that implement the functions specified in one or more of the flows Figure 1 one or more of the flows and / or blocks Figure 1 or means for implementing the functions specified in one or more of the blocks.

[0083] These computer program instructions can also be loaded onto a computer or other programmable data processing device, such that a series of operation steps are executed on the computer or other programmable device to produce a computer-implemented process, and thus the instructions executed on the computer or other programmable device provide steps for implementing the functions specified in one or more of the flows Figure 1 one or more of the flows and / or blocks Figure 1 or means for implementing the functions specified in one or more of the blocks.

[0084] In a typical configuration, a computing device includes one or more processors (CPUs), an input / output interface, a network interface, and memory.

[0085] The memory may include non-permanent memory in the form of computer-readable media, random access memory (RAM), and / or non-volatile memory such as read-only memory (ROM) or flash memory (flash RAM). The memory is an example of computer-readable media.

[0086] A computer-readable medium includes both permanent and non-permanent, removable and non-removable media that can store information by any method or technology. The information can be computer-readable instructions, data structures, program modules, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), flash memory or other memory technologies, compact disc read-only memory (CD-ROM), digital versatile disc (DVD) or other optical storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other non-transitory medium that can be used to store information accessible by a computing device. As defined herein, a computer-readable medium does not include transitory media such as modulated data signals and carrier waves.

[0087] The above are only embodiments of the present application and are not intended to limit the protection scope of the present application. For those skilled in the art, various changes and modifications can be made to the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A busbar voltage regulation method based on a distribution network topology model, characterized in that: The steps include: Topological analysis: Identify the topology of the distribution network, determine the specific connection methods of each bus, line, transformer and load, and construct a connectivity diagram of the network; State estimation: Using real-time measurement data and the above topological model, the state estimation algorithm estimates the operating state of the entire power grid, including the voltage amplitude and phase angle of unknown nodes; Voltage monitoring and evaluation: Based on the results of state estimation, monitor the voltage level of each busbar and evaluate whether it meets the voltage quality standards; Voltage regulation strategy formulation: Based on the voltage monitoring results, use the optimization algorithm to determine the most effective voltage regulation measures; Execution and feedback: The formulated voltage regulation strategy is sent to the corresponding control equipment for execution, and the state estimation is performed again to verify the voltage regulation effect.

2. A busbar voltage regulation method based on a distribution network topology model as claimed in claim 1, characterized in that: The topology identification of the distribution network is performed to determine the specific connection mode of each bus, line, transformer and load, and to construct a network connectivity diagram as follows: Data collection: Collect information on all components in the distribution network, including busbars, lines, transformers and loads, through PMS systems, design drawings or field measurements; Component identification: Identify the various components in the distribution network, including busbars; lines; , transformer; and load; Connection analysis: Analyze the connection between components and determine the connection relationship, including identifying the starting and ending busbars of the line, the input and output busbars of the transformer, and the busbars connected to the load; Constructing connectivity graph: Based on the above analysis, construct a connectivity graph of the distribution network; Verification and adjustment: By comparing with field data, necessary modifications are made to the connectivity graph during its construction to ensure its accuracy.

3. A busbar voltage regulation method based on a distribution network topology model as claimed in claim 1, characterized in that: The real-time measurement data and the above topology model are used to estimate the operation state of the entire power grid through a state estimation algorithm, including the voltage amplitude and phase angle of the unknown node: Real-time data collection: collect data on key electrical parameters such as voltage, current and power from the distribution network system in real time; Data preprocessing: Perform necessary preprocessing on the collected data, including data cleaning, filtering and verification, to ensure the accuracy and availability of the data; Topology model application: By acquiring the topology model of the distribution network, using the state estimation algorithm, combining real-time data and the topology model, the operating status of the entire power grid can be estimated; Result verification: Verify the results of state estimation to ensure the accuracy and reliability of the estimation.

4. A busbar voltage regulation method based on a distribution network topology model as claimed in claim 1, characterized in that: The method of monitoring the voltage level of each busbar and evaluating whether the voltage quality standard is met according to the state estimation result is as follows: Voltage level monitoring: Based on the state estimation results, monitor the voltage level of each bus in the distribution network to ensure the real-time and accuracy of voltage data; Voltage quality standard comparison: compare the monitored bus voltage level with the voltage quality standard; Voltage deviation assessment: assess whether the bus voltage is within the specified voltage quality standard range and determine whether the voltage meets the requirements; Voltage regulation operation decision: If the voltage of a bus is found to deviate from the rated value, that is, it exceeds the allowable voltage fluctuation range, a decision on voltage regulation operation needs to be made.

5. A busbar voltage regulation method based on a distribution network topology model as claimed in claim 1, characterized in that: Based on the voltage monitoring results, the optimization algorithm is used to determine the most effective voltage regulation measures, specifically, Voltage regulation data filtering: Filter the collected voltage data to ensure the accuracy and availability of the data and provide high-quality input data for state estimation and optimization algorithms; Optimization algorithm selection: Select a suitable optimization algorithm to determine the most effective voltage regulation measures; Voltage regulation measures: Based on the results of the optimization algorithm, voltage regulation measures are formulated. These measures mainly include adjusting the transformer ratio, switching capacitors / reactors, and adjusting generator excitation. Cost-benefit analysis: Conduct cost-benefit analysis on the formulated voltage regulation measures to ensure that the voltage qualification rate is maximized at the lowest cost.

6. A busbar voltage regulation method based on a distribution network topology model as claimed in claim 1, characterized in that: The voltage regulation strategy is sent to the corresponding control device for execution, and the state estimation is performed again to verify the voltage regulation effect. Specifically, Voltage regulation strategy issuance: The formulated voltage regulation strategy is issued to the corresponding control equipment in the distribution network; Control device execution: The corresponding control device performs operations according to the issued voltage regulation strategy; State re-estimation: After the control device performs the voltage regulation operation, the state estimation is re-performed to obtain updated data on the grid operation status; Voltage regulation effect verification: Use the results of state estimation to verify the effect of voltage regulation operation, including whether the voltage amplitude and phase angle have reached the expected target; Target achievement assessment: assess whether the voltage regulation effect meets the voltage quality standards and expected goals; Strategy adjustment: If the voltage regulation effect does not meet the expected target, analyze the reasons and adjust the voltage regulation strategy; Re-execution and verification: Send the adjusted voltage regulation strategy to the control device for execution, and repeat the steps of state estimation and effect verification; Records and reports: Record the implementation process of the voltage regulation strategy, the results of effect verification and any necessary strategy adjustments, and prepare a detailed voltage regulation operation report.

7. A busbar voltage regulation system based on a distribution network topology model, characterized in that: The invention comprises a memory and a processor, wherein the memory comprises a program of a bus voltage regulation method based on a distribution network topology model, and the program of the bus voltage regulation method based on a distribution network topology model implements the following steps when executed by the processor: topology analysis: topology identification of the distribution network is performed to determine the specific connection mode of each bus, line, transformer and load, and to construct a connectivity diagram of the network; state estimation: using real-time measurement data and the above topology model, the operation state of the entire power grid is estimated through a state estimation algorithm, including the voltage amplitude and phase angle of unknown nodes; voltage monitoring and evaluation: according to the result of state estimation, the voltage level of each bus is monitored to evaluate whether the voltage quality standard is met; voltage regulation strategy formulation: based on the voltage monitoring result, an optimization algorithm is used to determine the most effective voltage regulation measure; execution and feedback: the formulated voltage regulation strategy is sent to the corresponding control device for execution, and state estimation is performed again to verify the voltage regulation effect.

8. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the steps of the bus voltage regulation method based on the distribution network topology model as described in any one of claims 1 to 6 are implemented.

Images