Control method of intelligent measurement circuit breaker based on data driving

Abstract

The invention relates to the technical field of electric power operation and maintenance, provides a control method of an intelligent measurement circuit breaker based on data driving, and aims to improve the efficiency and safety of electric power system operation and maintenance, and automatically divide monitoring partitions and distribute measurement circuit breakers by obtaining real-time and historical electric power system operation data and combining user requirements. The circuit breaker monitors overload and short-circuit protection objects in partitions in real time according to measurement tasks, circuit breaker operation is simulated through a mirror image virtual system, the accuracy of protection actions is improved, the protection actions are executed in real time after verification in the virtual system is correct, fault expansion is effectively prevented, fine management of a power system is achieved, and the reliability of the power system is improved. The predictability and the maintenance capability are improved, and the operation and maintenance cost is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of electric power operation and maintenance, and in particular to a control method of an intelligent measuring circuit breaker based on data drive. Background Art

[0002] Intelligent measuring circuit breakers can realize the overload protection and short circuit protection functions of traditional circuit breakers, and also incorporate intelligent measurement technology. Intelligent measuring circuit breakers monitor the current, voltage, power and other parameters in the power system in real time through built-in current transformers, voltage transformers and other sensors, and transmit these data to the host computer for processing and analysis. When an abnormal situation (such as overload, short circuit, etc.) is detected, the intelligent measuring circuit breaker can quickly cut off the circuit to prevent the fault from expanding and ensure the safe and stable operation of the power system.

[0003] The control method of the intelligent measuring circuit breaker is mainly based on its integrated advanced sensing technology, data processing technology and communication technology. With the help of artificial intelligence and big data analysis technology, the intelligent measuring circuit breaker can automatically learn and adapt to the load characteristics of the power system, optimize operating parameters, and improve energy efficiency. For example, based on historical data, predict future load changes and adjust the circuit breaker settings in advance to cope with possible overload conditions. By analyzing the operating data, the intelligent measuring circuit breaker can also achieve predictive maintenance. When it is detected that certain parameters deviate from the normal range, the intelligent measuring circuit breaker will issue a warning in advance to prompt the user to perform maintenance or replace components, thereby avoiding sudden failures.

[0004] Smart measuring circuit breakers need to use artificial intelligence and big data analysis technology to automatically learn and adapt to the load characteristics of the power system. However, in the actual use of the control method of data-driven smart measuring circuit breakers, when monitoring new energy loads, new energy loads include household photovoltaics, energy storage stations, charging stations, etc., smart measuring circuit breakers need to continuously process new and old data. When the smart measuring circuit breaker makes an error analysis during the data processing, the power system will stop normal operation. For example, data inconsistency is a common problem. There may be differences between real-time data and historical data or between data collected by different sensors, which may cause the smart measuring circuit breaker to make misjudgments when making protection decisions. In addition, data loss is also an issue that needs attention. Due to sensor failure, communication interruption or other reasons, some data is missing, which in turn affects the comprehensive analysis and accurate judgment of the smart measuring circuit breaker. At the same time, new energy loads may generate large data fluctuations and noise, such as the intermittent nature of wind or solar energy. If the noise data is not effectively processed, it will interfere with the normal operation of the intelligent measurement circuit breaker. If the above technical pain points are not solved in time, it will affect the safe and stable operation of the power system, for example, causing the circuit breaker to fail to operate accurately at a critical moment, thereby causing power failures or accidents. To avoid this situation, the present invention provides a control method for a data-driven intelligent measurement circuit breaker. Summary of the invention

[0005] In view of the shortcomings of the prior art, the present invention provides a control method for a data-driven intelligent measuring circuit breaker to solve the following problems:

[0006] In the existing power system, the intelligent measuring circuit breaker combines the overload protection and short-circuit protection functions of the traditional circuit breaker and integrates the intelligent measurement technology to monitor the power system parameters in real time through the built-in sensors. However, the existing data-driven control method may have erroneous analysis during the data processing process, which will have a serious impact on the normal operation of the power system.

[0007] In order to solve this problem, the present invention provides a control method for a data-driven intelligent measuring circuit breaker. First, by acquiring the real-time data, historical data, system status data and user demand data of the power system, a basis is provided for subsequent analysis and processing, and the protection object and monitoring partition are determined according to the user demand data, and the relevant information is retrieved by using the geographic information system or the equipment management system, and the power system is divided into several monitoring partitions, and a measuring circuit breaker is allocated to each partition.

[0008] In terms of generating measurement tasks and real-time monitoring, the intelligent measurement circuit breaker generates clear measurement tasks based on user demand data, including monitoring objects, parameters, thresholds and conditions. Then, the measurement circuit breaker monitors the protection objects in the corresponding monitoring area in real time, collects and processes data, and improves the accuracy and timeliness of the data.

[0009] In addition, the present invention also establishes a mirrored virtual measuring circuit breaker simulation system, which is constructed according to the hardware configuration and software algorithm of the actual measuring circuit breaker. It can substitute real-time monitoring data into the virtual system, simulate the judgment and protection process of the circuit breaker, and improve the accuracy of the system operation status and command execution results by generating simulation execution commands and performing verification in the virtual system. If the virtual system operates normally and the command execution results meet expectations, the simulation execution commands are converted into real-time execution commands and sent to the actual measuring circuit breaker for execution.

[0010] In order to solve the above technical problems, the specific technical solutions of the present invention are as follows:

[0011] The present invention provides a data-driven intelligent measurement circuit breaker control method, comprising:

[0012] Step S101, acquiring power system operation data, the power system operation data including real-time current data, real-time voltage data, real-time power data, historical operation data, system status data and user demand data;

[0013] Step S102: determining the overload protection object and the short-circuit protection object of the intelligent measuring circuit breaker according to the user demand data, retrieving the location information of the overload protection object and the short-circuit protection object of the intelligent measuring circuit breaker in the power system and the line connection relationship information in the power system, taking the location information and the line connection relationship information in the power system as the division basis of the monitoring area of ​​the intelligent measuring circuit breaker, and obtaining the monitoring partition corresponding to the intelligent measuring circuit breaker;

[0014] Step S103, loading the user demand data into the intelligent measuring circuit breaker, the intelligent measuring circuit breaker generates a measuring task according to the user demand data, establishes a matching relationship between the measuring task and the monitoring partition corresponding to the measuring circuit breaker, and the intelligent measuring circuit breaker monitors the overload protection object and the short-circuit protection object of the corresponding monitoring partition in real time according to the measuring task, and obtains the real-time monitoring data of the measuring circuit breaker;

[0015] Step S104, establishing a matching relationship between the measurement task and the monitoring partition corresponding to the measurement circuit breaker, establishing a mirror virtual measurement circuit breaker simulation system, substituting the real-time monitoring data of the measurement circuit breaker into the mirror virtual measurement circuit breaker simulation system, and generating a measurement circuit breaker simulation execution command;

[0016] Step S105, executing the measuring circuit breaker simulation execution command in the measuring circuit breaker simulation system to obtain the measuring circuit breaker simulation command execution result. If the mirrored virtual measuring circuit breaker simulation system in the measuring circuit breaker simulation command execution result operates normally, the executing measuring circuit breaker simulation execution command corresponding to the measuring circuit breaker simulation command execution result is converted into a real-time measuring circuit breaker execution command, and the real-time measuring circuit breaker execution command includes an overload protection action or a short-circuit protection action.

[0017] Furthermore, the control method of the intelligent measuring circuit breaker based on data drive provided by the present invention, said step S101 comprises:

[0018] Determine the type of power system operation data to be obtained, the types of power system operation data include real-time current data, real-time voltage data, real-time power data, historical operation data, system status data and user demand data;

[0019] According to the data acquisition scope, configure the data acquisition equipment, the data acquisition equipment includes a current sensor, a voltage sensor and a power meter;

[0020] Utilize the configured data acquisition equipment to collect the current, voltage and power of the power system in real time.

[0021] Furthermore, the control method of the intelligent measuring circuit breaker based on data drive provided by the present invention, said step S101 comprises:

[0022] Retrieving the historical operation data of the power system stored in the database, the historical operation data including historical current, historical voltage, historical power data, and historical status records of the system;

[0023] Real-time monitoring of the power system status, including the operating status of equipment, line connection status, etc.

[0024] Obtain user demand data, which includes user's monitoring requirements for the power system and the setting of protection objects.

[0025] Furthermore, the control method of the intelligent measuring circuit breaker based on data drive provided by the present invention, said step S102 comprises:

[0026] Read and analyze user demand data, and identify objects in the power system that require overload protection and short-circuit protection based on the user demand data;

[0027] Use the geographic information system or equipment management system of the power system to retrieve the location information of objects in the power system that require overload protection and short-circuit protection;

[0028] Confirm the coordinates, area and relative position to other equipment or lines of each object requiring overload protection and short-circuit protection in the power system.

[0029] Furthermore, the control method of the intelligent measuring circuit breaker based on data drive provided by the present invention, said step S102 comprises:

[0030] Analyze the line connection relationship between objects that need overload protection and short-circuit protection in the power system through the power system database;

[0031] Identify the lines that are directly connected to or indirectly affected by objects in the power system that require overload protection and short-circuit protection, as well as the direction and load information of the lines;

[0032] According to the location information and line connection relationship of the objects that need overload protection and short-circuit protection in the power system, the division criteria of the monitoring area of ​​the intelligent measurement circuit breaker are set;

[0033] According to the set division criteria, the power system is divided into several monitoring areas.

[0034] Furthermore, the control method of the intelligent measuring circuit breaker based on data drive provided by the present invention, said step S102 comprises:

[0035] Each monitoring zone includes one or more protection objects. According to the division result of the monitoring zone, a corresponding measuring circuit breaker is allocated to each zone.

[0036] Each measuring circuit breaker is used to monitor the corresponding monitoring partition protection object, and execute overload protection action and short-circuit protection action for the monitoring partition protection object.

[0037] Furthermore, the control method of the intelligent measuring circuit breaker based on data drive provided by the present invention, said step S103 comprises:

[0038] The intelligent measurement circuit breaker automatically generates corresponding measurement tasks based on the loaded user demand data;

[0039] The measurement task should clearly include the monitored object, monitored parameters, and monitoring thresholds and conditions. The monitored objects include equipment and lines, the monitored parameters include current, voltage and power, the monitoring thresholds include overload thresholds, and the monitoring conditions include short-circuit judgment conditions;

[0040] Establish a clear matching relationship between the generated measurement tasks and the corresponding monitoring partitions.

[0041] Furthermore, the control method of the intelligent measuring circuit breaker based on data drive provided by the present invention, said step S103 comprises:

[0042] The measuring circuit breaker monitors the overload protection object and the short-circuit protection object in the corresponding monitoring zone in real time according to the established matching relationship;

[0043] Utilize the built-in sensors and data processing modules of the power system to collect the current, voltage and power parameter data of the monitored object in real time;

[0044] Process the collected data in real time to determine whether the monitored object is in a normal state or triggers protection conditions;

[0045] The real-time monitored data is recorded in the storage module of the intelligent measuring circuit breaker, and the real-time monitoring data and abnormal processing results are fed back to the power system control center or user terminal through the communication module.

[0046] Furthermore, the control method of the intelligent measuring circuit breaker based on data drive provided by the present invention, said step S104 comprises:

[0047] Confirm the matching relationship between the measurement task and the monitoring partition corresponding to the measurement circuit breaker, and build the corresponding mirror virtual measurement circuit breaker simulation system according to the hardware configuration, software algorithm and configuration parameters of the actual measurement circuit breaker;

[0048] Establish a stable data interface between the virtual system and the actual measurement circuit breaker, and import the real-time monitoring data obtained from the actual measurement circuit breaker, including real-time current, real-time voltage and real-time power data, into the mirror virtual measurement circuit breaker simulation system in real time;

[0049] Initialize the simulation environment in the virtual system, including setting power system parameters, simulating line connection status, and executing corresponding simulation tasks in the mirrored virtual measurement circuit breaker simulation system according to measurement tasks and real-time monitoring data;

[0050] Utilize the preset algorithms and logic in the virtual system to analyze and process the real-time monitoring data and simulate the judgment and protection process of the actual circuit breaker;

[0051] According to the execution result of the simulation task, a measurement circuit breaker simulation execution command is generated, and the measurement circuit breaker simulation execution command includes corresponding action instructions for overload protection and short-circuit protection.

[0052] Furthermore, the control method of the intelligent measuring circuit breaker based on data drive provided by the present invention, said step S105 comprises:

[0053] According to the execution result of the measurement circuit breaker simulation command, determine whether the mirror virtual measurement circuit breaker simulation system operates normally;

[0054] If the mirrored virtual measurement circuit breaker simulation system runs normally and the execution results of the simulation command meet expectations, proceed to the next step;

[0055] After confirming that the mirror virtual measuring circuit breaker simulation system operates normally, converting the measuring circuit breaker simulation execution command corresponding to the measuring circuit breaker simulation command execution result into a real-time measuring circuit breaker execution command;

[0056] The converted real-time measurement circuit breaker execution command is sent to the actual measurement circuit breaker.

[0057] The beneficial effects of the present invention are mainly reflected in the following aspects:

[0058] Improve the accuracy and reliability of data processing: By introducing the mirror virtual measurement circuit breaker simulation system, the real-time monitoring data can be simulated without affecting the actual power system operation, effectively avoiding the risk of power system failure caused by actual data processing errors and improving the accuracy and reliability of data processing.

[0059] Enhance the safety and stability of the power system: Monitor the operating status of the power system in real time and quickly cut off the circuit when abnormal conditions (such as overload, short circuit, etc.) are detected to prevent the expansion of faults, thereby ensuring the safe and stable operation of the power system. Fully testing the circuit breaker operation in a simulated environment reduces the risk of erroneous execution in actual operation and further enhances the safety of the power system.

[0060] Realize personalized and refined management: Set overload protection and short-circuit protection objects according to user demand data to realize personalized protection needs of the power system. Divide the power system into multiple monitoring partitions and assign corresponding intelligent measurement circuit breakers to each partition, realize refined management of the power system and improve resource utilization efficiency.

[0061] Improve predictive and maintenance capabilities: Combining historical operating data with real-time data, smart measuring circuit breakers can predict future load changes, adjust settings in advance to deal with possible overload conditions, and achieve predictive protection. When certain parameters are detected to deviate from the normal range, smart measuring circuit breakers can issue warnings in advance to prompt users to perform maintenance or replace components to avoid sudden failures.

[0062] Reduce operation and maintenance costs: Through accurate monitoring and protection strategies, power outage time and maintenance costs caused by faults are reduced. Partition management and personalized settings improve the flexibility and adaptability of the system and reduce unnecessary waste of resources.

[0063] In summary, the present invention not only improves the operational accuracy and reliability of the intelligent measuring circuit breaker, but also enhances the safety, stability and predictive maintenance capability of the power system, reduces the operation and maintenance costs, and provides an effective solution for the operation and maintenance of the smart grid through various technical means such as data collection, simulation verification, real-time monitoring and zoning management. BRIEF DESCRIPTION OF THE DRAWINGS

[0064] In order to more clearly illustrate the technical solution of the present invention, the following briefly introduces the drawings required for use in the embodiments. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0065] Figure 1 A schematic flow chart of a control method for a data-driven intelligent measuring circuit breaker provided in an embodiment of the present invention. DETAILED DESCRIPTION

[0066] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described in conjunction with the specific embodiments of the present invention and the corresponding drawings. 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. The technical solutions provided by the embodiments of the present invention are described in detail below in conjunction with the drawings.

[0067] In order to better understand the purpose of the present invention, the present invention is described in further detail below.

[0068] See also Figure 1 The present invention provides a control method of a data-driven intelligent measuring circuit breaker, comprising:

[0069] Step S101, acquiring power system operation data, the power system operation data including real-time current data, real-time voltage data, real-time power data, historical operation data, system status data and user demand data;

[0070] In step S101, obtaining the power system operation data is the basis and starting point of the entire control method. Step S101 covers various data types generated during the operation of the power system, as follows:

[0071] Real-time current data: Real-time current data reflects the current status of each line or equipment in the power system, and is an important basis for judging whether the system is overloaded or has other current anomalies.

[0072] Real-time voltage data: Voltage is another key parameter in the power system. Real-time voltage data can display the voltage status at each point in the system, helping to determine whether the voltage is stable and whether there are any abnormal conditions.

[0073] Real-time power data: Power data provides information on the efficiency of energy conversion and utilization in the power system, which is important for evaluating the system operating status, predicting future load changes, and optimizing operating parameters.

[0074] Historical operation data: Historical data records the past operation status of the power system, including historical current, voltage, power data and historical status records of the system. Historical operation data is useful for analyzing the long-term operation trend of the system, predicting future status and discovering potential problems.

[0075] System status data: System status data includes the operating status of the equipment (such as on / off status), the connection status of the line, etc.

[0076] User demand data: User demand data reflects the user's specific monitoring needs and protection requirements for the power system. This includes the user's monitoring needs for specific equipment or lines, the setting of protection objects, etc. It is an important basis for intelligent measuring circuit breakers to generate measurement tasks and divide monitoring zones.

[0077] In order to obtain the operation data of the power system, it is necessary to configure the corresponding data acquisition equipment, such as current sensors, voltage sensors and power meters, to collect the current, voltage and power data of the power system in real time. At the same time, it is also necessary to establish a database to store historical operation data and obtain the current status data of the system and user demand data through a real-time monitoring mechanism.

[0078] Step S102: determining the overload protection object and the short-circuit protection object of the intelligent measuring circuit breaker according to the user demand data, retrieving the location information of the overload protection object and the short-circuit protection object of the intelligent measuring circuit breaker in the power system and the line connection relationship information in the power system, taking the location information and the line connection relationship information in the power system as the division basis of the monitoring area of ​​the intelligent measuring circuit breaker, and obtaining the monitoring partition corresponding to the intelligent measuring circuit breaker;

[0079] In step S102, the main task is to determine the overload protection object and short-circuit protection object of the intelligent measuring circuit breaker according to the user demand data, and further divide the monitoring area according to the location information of these objects in the power system and the line connection relationship information, so as to obtain the monitoring partition corresponding to each intelligent measuring circuit breaker. The following is a detailed analysis of this step:

[0080] Analyze user demand data: First, it is necessary to read and analyze user demand data, which includes the user's specific requirements for overload protection and short-circuit protection of specific equipment or lines in the power system.

[0081] Determine the protection object: Based on user demand data, identify which equipment or lines in the power system require overload protection and short-circuit protection. The object will become the key monitoring and protection target of the intelligent measuring circuit breaker.

[0082] Retrieve location information: Use the power system's geographic information system (GIS) or equipment management system to retrieve the location information of the protected object in the power system. The location information includes the coordinates of each protected object, the area it belongs to, and its relative position to other equipment or lines.

[0083] Analyze line connection relationships: Analyze the line connection relationships between these protected objects through the power system database, identify the lines that are directly connected to or indirectly affected by the protected objects, as well as key information such as the direction and load conditions of these lines.

[0084] Set the division basis of monitoring area: According to the location information of the protected object and the line connection relationship, set the division basis of the intelligent measuring circuit breaker monitoring area. The basis includes the distribution density of the protected object, the complexity of the line, the load condition and other factors.

[0085] Divide monitoring zones: Divide the power system into several monitoring zones according to the set division criteria. Each zone contains one or more protection objects, and a corresponding intelligent measuring circuit breaker is allocated to each zone according to actual needs.

[0086] Assign measurement circuit breakers: Assign one or more intelligent measurement circuit breakers to each monitoring zone. The measurement circuit breaker will be responsible for real-time monitoring of the overload protection objects and short-circuit protection objects in the zone. When allocating, factors such as the performance parameters of the circuit breaker, the monitoring range, and the compatibility with other systems need to be considered.

[0087] Through the above steps, the intelligent measuring circuit breaker can accurately divide the monitoring area according to user needs and allocate appropriate circuit breakers to each area for real-time monitoring and protection. This not only improves the accuracy of monitoring and protection, but also helps to optimize the resource allocation of circuit breakers and reduce operating costs.

[0088] Step S103, loading the user demand data into the intelligent measuring circuit breaker, the intelligent measuring circuit breaker generates a measuring task according to the user demand data, establishes a matching relationship between the measuring task and the monitoring partition corresponding to the measuring circuit breaker, and the intelligent measuring circuit breaker monitors the overload protection object and the short-circuit protection object of the corresponding monitoring partition in real time according to the measuring task, and obtains the real-time monitoring data of the measuring circuit breaker;

[0089] In step S103, the control method of the present invention further refines the process of how the intelligent measuring circuit breaker performs specific operations according to the user demand data. The following is a detailed analysis of this step:

[0090] Loading user demand data: First, load the user demand data into the intelligent measuring circuit breaker. The user demand data includes the user's monitoring requirements for specific equipment or lines in the power system, the setting of protection objects, etc. The user demand data is the basis for the subsequent operation of the circuit breaker.

[0091] Generate measurement tasks: The intelligent measurement circuit breaker automatically generates corresponding measurement tasks based on the loaded user demand data. The tasks specify the monitored objects (such as specific equipment or lines), monitored parameters (such as current, voltage, power, etc.), and monitored thresholds and conditions (such as overload thresholds, short-circuit judgment conditions, etc.).

[0092] Establish a matching relationship: Establish a clear matching relationship between the generated measurement tasks and the corresponding monitoring partitions. This means that each measurement task clearly specifies the specific partition that needs to be monitored, allowing the circuit breaker to accurately monitor the partition it is responsible for in real time.

[0093] Real-time monitoring: The intelligent measuring circuit breaker monitors the overload protection objects and short-circuit protection objects in the corresponding monitoring zone in real time according to the established matching relationship. The current, voltage and power parameter data of the monitoring object are collected in real time by using the built-in sensors (such as current transformers, voltage transformers, etc.) and data processing modules of the power system.

[0094] Data processing and judgment: The collected data is processed in real time, including pre-processing steps such as filtering and calibration to remove noise and interference. Then, according to the preset thresholds and conditions, it is judged whether the monitored object is in a normal state or a protection condition (such as overload, short circuit, etc.) has been triggered.

[0095] Recording and feedback: The real-time monitoring data is recorded in the storage module of the intelligent measuring circuit breaker for subsequent analysis and query. At the same time, the real-time monitoring data and abnormal processing results are fed back to the power system control center or user terminal through the communication module in a timely manner, so that the user or system administrator can grasp the operating status of the power system in a timely manner and take corresponding measures.

[0096] Through the above steps, the intelligent measuring circuit breaker can accurately generate and execute measurement tasks according to user demand data, and monitor the overload protection objects and short-circuit protection objects in a specific monitoring zone in real time. This not only improves the accuracy and efficiency of monitoring, but also helps to timely discover and handle abnormal situations in the power system, ensuring the safe and stable operation of the power system.

[0097] Step S104, establishing a matching relationship between the measurement task and the monitoring partition corresponding to the measurement circuit breaker, establishing a mirror virtual measurement circuit breaker simulation system, substituting the real-time monitoring data of the measurement circuit breaker into the mirror virtual measurement circuit breaker simulation system, and generating a measurement circuit breaker simulation execution command;

[0098] In step S104, the control method of the present invention further improves the accuracy and reliability of the operation of the intelligent measuring circuit breaker by introducing a mirror virtual measuring circuit breaker simulation system. The following is a detailed analysis of this step:

[0099] Establishing a matching relationship: According to the matching relationship between the measurement tasks established in step S103 and the monitoring partitions corresponding to the measured circuit breakers, the system can clearly know which monitoring tasks each circuit breaker should be responsible for.

[0100] Build a mirror virtual measurement circuit breaker simulation system: Based on the hardware configuration, software algorithm and configuration parameters of the actual measurement circuit breaker, build a corresponding mirror virtual measurement circuit breaker simulation system. This virtual system can simulate the operating environment and behavior of the actual circuit breaker and is used for simulation testing without affecting the actual system operation.

[0101] Establish data interface: Establish a stable data interface between the virtual system and the actual measurement circuit breaker. This interface is used to transmit real-time monitoring data (such as real-time current, real-time voltage, real-time power, etc.) obtained from the actual measurement circuit breaker to the mirror virtual measurement circuit breaker simulation system.

[0102] Initialize the simulation environment: Initialize the simulation environment in the mirrored virtual measurement circuit breaker simulation system. This includes setting the relevant parameters of the power system (such as voltage level, frequency, etc.), the connection status of the simulated line, etc., so that the virtual system can accurately reflect the operation of the actual power system.

[0103] Execute simulation tasks: According to the measurement tasks and real-time monitoring data, corresponding simulation tasks are executed in the mirror virtual measurement circuit breaker simulation system. These tasks include overload protection judgment, short circuit protection judgment, etc., which are designed to simulate the reaction and action of the actual circuit breaker when encountering abnormal conditions.

[0104] Generate simulation execution commands: Use the preset algorithms and logic in the virtual system to analyze and process the real-time monitoring data to simulate the judgment and protection process of the actual circuit breaker. Generate measurement circuit breaker simulation execution commands based on the execution results of the simulation task. Measurement circuit breaker simulation execution commands include overload protection action commands, short-circuit protection action commands, etc.

[0105] Through the implementation of step S104, the present invention performs a comprehensive simulation test on the operation of the actual circuit breaker through the mirrored virtual measurement circuit breaker simulation system without affecting the operation of the actual power system. The test not only helps to verify the correctness and reliability of the operation of the actual circuit breaker, but also can find potential problems and faults in the virtual environment, thereby avoiding the risk of erroneous analysis in actual operation causing the power system to stop operating. At the same time, this simulation test method also provides valuable data support and reference basis for subsequent optimization and improvement.

[0106] Step S105, executing the measuring circuit breaker simulation execution command in the measuring circuit breaker simulation system to obtain the measuring circuit breaker simulation command execution result. If the mirrored virtual measuring circuit breaker simulation system in the measuring circuit breaker simulation command execution result operates normally, the executing measuring circuit breaker simulation execution command corresponding to the measuring circuit breaker simulation command execution result is converted into a real-time measuring circuit breaker execution command, and the real-time measuring circuit breaker execution command includes an overload protection action or a short-circuit protection action.

[0107] In step S105, the control method of the present invention improves the accuracy and reliability of the actual measurement circuit breaker operation by testing and verifying the simulation execution command generated in the mirror virtual measurement circuit breaker simulation system. The following is a detailed analysis of this step:

[0108] Execute simulation commands: Execute measurement circuit breaker simulation execution commands in the mirrored virtual measurement circuit breaker simulation system. These commands are generated in a virtual environment based on real-time monitoring data and preset algorithms and logics, and are designed to simulate the actions that an actual circuit breaker should take when encountering abnormal conditions (such as overload protection, short circuit protection, etc.).

[0109] Evaluate simulation results: The system evaluates the execution results of the simulation commands, mainly checking whether the mirror virtual measurement circuit breaker simulation system is running normally and whether the execution results of the simulation commands meet expectations. This step is a key link to improve the accuracy of virtual environment simulation.

[0110] Convert execution commands: If the mirrored virtual measurement circuit breaker simulation system operates normally and the execution results of the simulation commands meet expectations, the system converts the execution measurement circuit breaker simulation execution commands corresponding to the simulation command execution results into real-time measurement circuit breaker execution commands. This means that after the test results in the virtual environment are verified to be valid, they will be used to guide the operation of the actual circuit breaker.

[0111] Send real-time execution commands: Send the converted real-time measurement circuit breaker execution commands to the actual measurement circuit breaker. These commands include overload protection action commands, short-circuit protection action commands, etc., which are intended to guide the actual circuit breaker to take correct protection measures when encountering abnormal situations.

[0112] Execute real-time actions: After receiving the real-time execution command, the actual measurement circuit breaker will perform the corresponding overload protection or short-circuit protection action according to the command requirements. For example, when an overload or short circuit is detected, the circuit breaker will quickly cut off the circuit to prevent the fault from expanding and ensure the safe and stable operation of the power system.

[0113] Through the implementation of step S105, the present invention comprehensively tests and verifies the operation of the measuring circuit breaker in the mirror virtual environment, and improves the accuracy and reliability of the actual circuit breaker when performing protection actions. This method not only improves the safety and stability of the power system, but also reduces the risk of power outages caused by misoperation or erroneous analysis. At the same time, it also demonstrates the great potential and application value of data-driven control methods in smart grid operation and maintenance.

[0114] Specifically, the control method of the intelligent measuring circuit breaker based on data drive provided by the present invention, the step S101 comprises:

[0115] Determine the type of power system operation data to be obtained, the types of power system operation data include real-time current data, real-time voltage data, real-time power data, historical operation data, system status data and user demand data;

[0116] According to the data acquisition scope, configure the data acquisition equipment, the data acquisition equipment includes a current sensor, a voltage sensor and a power meter;

[0117] Utilize the configured data acquisition equipment to collect the current, voltage and power of the power system in real time.

[0118] Specifically, the control method of the intelligent measuring circuit breaker based on data drive provided by the present invention, the step S101 comprises:

[0119] Retrieving the historical operation data of the power system stored in the database, the historical operation data including historical current, historical voltage, historical power data, and historical status records of the system;

[0120] Real-time monitoring of the power system status, including the operating status of equipment, line connection status, etc.

[0121] Obtain user demand data, which includes user's monitoring requirements for the power system and the setting of protection objects.

[0122] Specifically, the control method of the intelligent measuring circuit breaker based on data drive provided by the present invention, the step S102 includes:

[0123] Read and analyze user demand data, and identify objects in the power system that require overload protection and short-circuit protection based on the user demand data;

[0124] Use the geographic information system or equipment management system of the power system to retrieve the location information of objects in the power system that require overload protection and short-circuit protection;

[0125] Confirm the coordinates, area and relative position to other equipment or lines of each object requiring overload protection and short-circuit protection in the power system.

[0126] Specifically, the control method of the intelligent measuring circuit breaker based on data drive provided by the present invention, the step S102 includes:

[0127] Analyze the line connection relationship between objects that need overload protection and short-circuit protection in the power system through the power system database;

[0128] Identify the lines that are directly connected to or indirectly affected by objects in the power system that require overload protection and short-circuit protection, as well as the direction and load information of the lines;

[0129] According to the location information and line connection relationship of the objects that need overload protection and short-circuit protection in the power system, the division criteria of the monitoring area of ​​the intelligent measurement circuit breaker are set;

[0130] According to the set division criteria, the power system is divided into several monitoring areas.

[0131] Specifically, the control method of the intelligent measuring circuit breaker based on data drive provided by the present invention, the step S102 includes:

[0132] Each monitoring zone includes one or more protection objects. According to the division result of the monitoring zone, a corresponding measuring circuit breaker is allocated to each zone.

[0133] Each measuring circuit breaker is used to monitor the corresponding monitoring partition protection object, and execute overload protection action and short-circuit protection action for the monitoring partition protection object.

[0134] Specifically, the control method of the intelligent measuring circuit breaker based on data drive provided by the present invention, the step S103 includes:

[0135] The intelligent measurement circuit breaker automatically generates corresponding measurement tasks based on the loaded user demand data;

[0136] The measurement task should clearly include the monitored object, monitored parameters, and monitoring thresholds and conditions. The monitored objects include equipment and lines, the monitored parameters include current, voltage and power, the monitoring thresholds include overload thresholds, and the monitoring conditions include short-circuit judgment conditions;

[0137] Establish a clear matching relationship between the generated measurement tasks and the corresponding monitoring partitions.

[0138] Specifically, the control method of the intelligent measuring circuit breaker based on data drive provided by the present invention, the step S103 includes:

[0139] The measuring circuit breaker monitors the overload protection object and the short-circuit protection object in the corresponding monitoring zone in real time according to the established matching relationship;

[0140] Utilize the built-in sensors and data processing modules of the power system to collect the current, voltage and power parameter data of the monitored object in real time;

[0141] Process the collected data in real time to determine whether the monitored object is in a normal state or triggers protection conditions;

[0142] The real-time monitored data is recorded in the storage module of the intelligent measuring circuit breaker, and the real-time monitoring data and abnormal processing results are fed back to the power system control center or user terminal through the communication module.

[0143] Specifically, the control method of the intelligent measuring circuit breaker based on data drive provided by the present invention, the step S104 includes:

[0144] Confirm the matching relationship between the measurement task and the monitoring partition corresponding to the measurement circuit breaker, and build the corresponding mirror virtual measurement circuit breaker simulation system according to the hardware configuration, software algorithm and configuration parameters of the actual measurement circuit breaker;

[0145] Establish a stable data interface between the virtual system and the actual measurement circuit breaker, and import the real-time monitoring data obtained from the actual measurement circuit breaker, including real-time current, real-time voltage and real-time power data, into the mirror virtual measurement circuit breaker simulation system in real time;

[0146] Initialize the simulation environment in the virtual system, including setting power system parameters, simulating line connection status, and executing corresponding simulation tasks in the mirrored virtual measurement circuit breaker simulation system according to measurement tasks and real-time monitoring data;

[0147] Utilize the preset algorithms and logic in the virtual system to analyze and process the real-time monitoring data and simulate the judgment and protection process of the actual circuit breaker;

[0148] According to the execution result of the simulation task, a measurement circuit breaker simulation execution command is generated, and the measurement circuit breaker simulation execution command includes corresponding action instructions for overload protection and short-circuit protection.

[0149] Specifically, the control method of the intelligent measuring circuit breaker based on data drive provided by the present invention, the step S105 includes:

[0150] According to the execution result of the measurement circuit breaker simulation command, determine whether the mirror virtual measurement circuit breaker simulation system operates normally;

[0151] If the mirrored virtual measurement circuit breaker simulation system runs normally and the execution results of the simulation command meet expectations, proceed to the next step;

[0152] After confirming that the mirror virtual measuring circuit breaker simulation system operates normally, converting the measuring circuit breaker simulation execution command corresponding to the measuring circuit breaker simulation command execution result into a real-time measuring circuit breaker execution command;

[0153] The converted real-time measurement circuit breaker execution command is sent to the actual measurement circuit breaker.

[0154] The present invention proposes a control method for a data-driven intelligent measuring circuit breaker, which effectively solves the problem that the power system may stop operating normally when an error analysis occurs in the data processing process of the intelligent measuring circuit breaker. The following are specific technical solutions and implementation steps:

[0155] The control method of the present invention mainly includes the following five steps:

[0156] Acquire power system operation data (step S101): acquire various operation data of the power system in real time, including real-time current, voltage, power data, as well as historical operation data, system status data and user demand data. By configuring current sensors, voltage sensors, power meters and other equipment, key parameters of the power system are collected in real time.

[0157] Determine the protection objects and monitoring partitions (step S102): According to the user demand data, determine the objects that need overload protection and short-circuit protection. Use the geographic information system or equipment management system of the power system to retrieve the location information and line connection relationship information of these protection objects in the power system. Divide the power system into several monitoring partitions, and assign corresponding intelligent measurement circuit breakers to each partition.

[0158] Generate measurement tasks and monitor in real time (step S103): Load user demand data into the intelligent measurement circuit breaker and generate corresponding measurement tasks. The measurement tasks include clear monitoring objects, monitoring parameters, monitoring thresholds and conditions. The intelligent measurement circuit breaker monitors the overload protection objects and short-circuit protection objects in the corresponding monitoring partition in real time according to the measurement tasks.

[0159] Establishing a mirror image virtual measuring circuit breaker simulation system (step S104): constructing a mirror image virtual measuring circuit breaker simulation system according to the hardware configuration, software algorithm and configuration parameters of the actual measuring circuit breaker.

[0160] Substitute the real-time monitoring data into the simulation system, simulate the judgment and protection process of the actual circuit breaker, and generate a simulation execution command. Execute the simulation command and give feedback (step S105): Execute the simulation command in the simulation system, and verify the operation status of the simulation system and the command execution result. If the simulation system operates normally and the command execution result meets expectations, the simulation execution command is converted into a real-time measurement circuit breaker execution command and sent to the actual measurement circuit breaker for execution.

[0161] Specific implementation plans to solve technical problems;

[0162] Data preprocessing and verification: By comprehensively collecting and verifying data before data processing, the accuracy and completeness of data can be improved and the possibility of erroneous analysis can be reduced. The combined use of real-time and historical data enhances the robustness of data analysis.

[0163] Simulation verification mechanism: Introduce a mirror virtual measurement circuit breaker simulation system to simulate the real-time monitoring data without affecting the actual power system operation. Through the verification of the simulation system, the actual measurement circuit breaker has been fully tested before execution, reducing the risk of erroneous execution.

[0164] Real-time monitoring and feedback: Intelligent measuring circuit breakers monitor the power system status in real time and provide immediate feedback when an abnormality is detected, reducing the risk of fault expansion. Real-time monitoring data and timely feedback of abnormal processing results help to quickly respond to and handle problems.

[0165] Partition management and personalized settings: By dividing the power system into different monitoring partitions and allocating measurement circuit breakers to each partition according to user needs, refined management of the power system is achieved. Users can set protection objects and monitoring parameters according to actual needs, which improves the flexibility and adaptability of the system.

[0166] In summary, the present invention effectively solves the problem that the intelligent measuring circuit breaker may have erroneous analysis during data processing, resulting in the suspension of the power system, through multiple technical means such as data collection, simulation verification, real-time monitoring and partition management.

[0167] The control method of the intelligent measuring circuit breaker based on data drive provided by the present invention has significant practicality in the field of power operation and maintenance technology. The following are the main manifestations of its practicality:

[0168] The present invention introduces a mirror virtual measurement circuit breaker simulation system, which can simulate the real-time monitoring data without affecting the actual operation of the power system, effectively avoiding the risk of power system failure caused by actual data processing errors and improving the accuracy of data processing. The operating status of the power system is monitored in real time, and the circuit is quickly cut off when an abnormal situation (such as overload, short circuit, etc.) is detected to prevent the expansion of the fault, thereby ensuring the safe and stable operation of the power system.

[0169] Set overload protection and short-circuit protection objects according to user demand data to meet personalized protection needs for the power system. Divide the power system into multiple monitoring partitions and assign corresponding intelligent measuring circuit breakers to each partition, so as to achieve refined management of the power system and improve resource utilization efficiency. Combining historical operation data and real-time data, intelligent measuring circuit breakers can predict future load changes, adjust settings in advance to cope with possible overload conditions, and achieve predictive protection. When certain parameters are detected to deviate from the normal range, warnings can be issued in advance to prompt users to perform maintenance or replace components to avoid sudden failures. Through precise monitoring and protection strategies, power outages and maintenance costs caused by failures are reduced. Partition management and personalized settings improve the flexibility and adaptability of the system and reduce unnecessary waste of resources.

[0170] The following is a specific embodiment based on the technical solution of the present invention:

[0171] During the operation of a certain city's power grid, it often faces power instability problems caused by large fluctuations in new energy loads (such as photovoltaics, energy storage stations, etc.). Traditional circuit breakers have deficiencies in data processing and abnormal judgment, making it difficult to respond to these complex situations accurately and promptly.

[0172] Implementation steps;

[0173] Obtaining power system operation data (step S101): Configure current sensors, voltage sensors and power meters to collect current, voltage and power data of the power system in real time. Retrieve historical operation data stored in the database, including historical current, voltage, power data and historical status records of the system. Monitor the status of the power system in real time, including the operating status of the equipment, the connection status of the line, etc. Obtain user demand data, including user monitoring requirements for the power system, settings of protection objects, etc.

[0174] Determine the protection objects and monitoring partitions (step S102): Read and analyze user demand data to identify objects that require overload protection and short-circuit protection. Use the power system's Geographic Information System (GIS) to retrieve the location information and line connection relationship information of these protection objects in the power system. According to the location information and line connection relationship, set the division criteria of the intelligent measuring circuit breaker monitoring area, divide the power system into several monitoring partitions, and assign corresponding intelligent measuring circuit breakers to each partition.

[0175] Generate measurement tasks and monitor in real time (step S103): Load user demand data into the intelligent measurement circuit breaker to generate clear measurement tasks, including monitoring objects, monitoring parameters (such as current, voltage, power), monitoring thresholds and conditions. The intelligent measurement circuit breaker monitors the overload protection objects and short-circuit protection objects in the corresponding monitoring partition in real time according to the measurement tasks, and collects and processes real-time data.

[0176] Establishing a mirror virtual measuring circuit breaker simulation system (step S104): According to the hardware configuration, software algorithm and configuration parameters of the actual measuring circuit breaker, a mirror virtual measuring circuit breaker simulation system is constructed. The real-time monitoring data is substituted into the simulation system to simulate the judgment and protection process of the actual circuit breaker and generate a simulation execution command.

[0177] Execute simulation command and feedback (step S105): Execute simulation command in simulation system and verify the operation status of simulation system and command execution result. If the simulation system runs normally and the command execution result is in line with expectations, convert the simulation execution command into real-time measurement circuit breaker execution command and send it to the actual measurement circuit breaker for execution.

[0178] Implementation effect;

[0179] Through the above implementation steps, the city power grid successfully introduced a data-driven intelligent measurement circuit breaker control method. In actual operation, the intelligent measurement circuit breaker can accurately and timely monitor and handle abnormal conditions in the power system, effectively preventing power instability caused by fluctuations in new energy loads. At the same time, the present invention also significantly improves the safety and stability of the power system, reduces operation and maintenance costs, and provides strong support for the development of smart grids.

[0180] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations, and the above-described embodiments of the present invention do not constitute a limitation on the scope of protection of the present invention.

Claims

1. A control method for a data-driven intelligent measurement circuit breaker, characterized in that: include: Step S101, acquiring power system operation data, the power system operation data including real-time current data, real-time voltage data, real-time power data, historical operation data, system status data and user demand data; Step S102: determining the overload protection object and the short-circuit protection object of the intelligent measuring circuit breaker according to the user demand data, retrieving the location information of the overload protection object and the short-circuit protection object of the intelligent measuring circuit breaker in the power system and the line connection relationship information in the power system, taking the location information and the line connection relationship information in the power system as the division basis of the monitoring area of ​​the intelligent measuring circuit breaker, and obtaining the monitoring partition corresponding to the intelligent measuring circuit breaker; Step S103, loading the user demand data into the intelligent measuring circuit breaker, the intelligent measuring circuit breaker generates a measuring task according to the user demand data, establishes a matching relationship between the measuring task and the monitoring partition corresponding to the measuring circuit breaker, and the intelligent measuring circuit breaker monitors the overload protection object and the short-circuit protection object of the corresponding monitoring partition in real time according to the measuring task, and obtains the real-time monitoring data of the measuring circuit breaker; Step S104, establishing a matching relationship between the measurement task and the monitoring partition corresponding to the measurement circuit breaker, establishing a mirror virtual measurement circuit breaker simulation system, substituting the real-time monitoring data of the measurement circuit breaker into the mirror virtual measurement circuit breaker simulation system, and generating a measurement circuit breaker simulation execution command; Step S105, executing the measuring circuit breaker simulation execution command in the measuring circuit breaker simulation system to obtain the measuring circuit breaker simulation command execution result. If the mirrored virtual measuring circuit breaker simulation system in the measuring circuit breaker simulation command execution result operates normally, the executing measuring circuit breaker simulation execution command corresponding to the measuring circuit breaker simulation command execution result is converted into a real-time measuring circuit breaker execution command, and the real-time measuring circuit breaker execution command includes an overload protection action or a short-circuit protection action.

2. The control method of the intelligent measuring circuit breaker based on data drive according to claim 1, characterized in that: The step S101 includes: Determine the type of power system operation data to be obtained, the types of power system operation data include real-time current data, real-time voltage data, real-time power data, historical operation data, system status data and user demand data; According to the data acquisition scope, configure the data acquisition equipment, the data acquisition equipment includes a current sensor, a voltage sensor and a power meter; Utilize the configured data acquisition equipment to collect the current, voltage and power of the power system in real time.

3. The control method of the intelligent measuring circuit breaker based on data drive according to claim 2, characterized in that: The step S101 includes: Retrieving the historical operation data of the power system stored in the database, the historical operation data including historical current, historical voltage, historical power data, and historical status records of the system; Real-time monitoring of the power system status, including the operating status of equipment, line connection status, etc. Obtain user demand data, which includes user's monitoring requirements for the power system and the setting of protection objects.

4. The control method of the intelligent measuring circuit breaker based on data drive according to claim 1, characterized in that: The step S102 includes: Read and analyze user demand data, and identify objects in the power system that require overload protection and short-circuit protection based on the user demand data; Use the geographic information system or equipment management system of the power system to retrieve the location information of objects in the power system that require overload protection and short-circuit protection; Confirm the coordinates, area and relative position to other equipment or lines of each object requiring overload protection and short-circuit protection in the power system.

5. The control method of the intelligent measuring circuit breaker based on data drive according to claim 4, characterized in that: The step S102 includes: Analyze the line connection relationship between objects that need overload protection and short-circuit protection in the power system through the power system database; Identify the lines that are directly connected to or indirectly affected by objects in the power system that require overload protection and short-circuit protection, as well as the direction and load information of the lines; According to the location information and line connection relationship of the objects that need overload protection and short-circuit protection in the power system, the division criteria of the monitoring area of ​​the intelligent measuring circuit breaker are set; According to the set division criteria, the power system is divided into several monitoring areas.

6. The control method of the intelligent measuring circuit breaker based on data drive according to claim 5, characterized in that: The step S102 includes: Each monitoring zone includes one or more protection objects. According to the division result of the monitoring zone, a corresponding measuring circuit breaker is allocated to each zone; Each measuring circuit breaker is used to monitor the corresponding monitoring partition protection object, and execute overload protection action and short-circuit protection action for the monitoring partition protection object.

7. The control method of the intelligent measuring circuit breaker based on data drive according to claim 1, characterized in that: The step S103 includes: The intelligent measurement circuit breaker automatically generates corresponding measurement tasks based on the loaded user demand data; The measurement task should clearly include the monitored object, monitored parameters, and monitoring thresholds and conditions. The monitored objects include equipment and lines, the monitored parameters include current, voltage and power, the monitoring thresholds include overload thresholds, and the monitoring conditions include short-circuit judgment conditions; Establish a clear matching relationship between the generated measurement tasks and the corresponding monitoring partitions.

8. The control method of the intelligent measuring circuit breaker based on data drive according to claim 7, characterized in that: The step S103 includes: The measuring circuit breaker monitors the overload protection object and the short-circuit protection object in the corresponding monitoring zone in real time according to the established matching relationship; Utilize the built-in sensors and data processing modules of the power system to collect the current, voltage and power parameter data of the monitored object in real time; Process the collected data in real time to determine whether the monitored object is in a normal state or triggers protection conditions; The real-time monitored data is recorded in the storage module of the intelligent measuring circuit breaker, and the real-time monitoring data and abnormal processing results are fed back to the power system control center or user terminal through the communication module.

9. The control method of the intelligent measuring circuit breaker based on data drive according to claim 1, characterized in that: The step S104 includes: Confirm the matching relationship between the measurement task and the monitoring partition corresponding to the measurement circuit breaker, and build the corresponding mirror virtual measurement circuit breaker simulation system according to the hardware configuration, software algorithm and configuration parameters of the actual measurement circuit breaker; Establish a stable data interface between the virtual system and the actual measurement circuit breaker, and import the real-time monitoring data obtained from the actual measurement circuit breaker, including real-time current, real-time voltage and real-time power data, into the mirror virtual measurement circuit breaker simulation system in real time; Initialize the simulation environment in the virtual system, including setting power system parameters, simulating line connection status, and executing corresponding simulation tasks in the mirrored virtual measurement circuit breaker simulation system according to measurement tasks and real-time monitoring data; Utilize the preset algorithms and logic in the virtual system to analyze and process the real-time monitoring data and simulate the judgment and protection process of the actual circuit breaker; According to the execution result of the simulation task, a measurement circuit breaker simulation execution command is generated, and the measurement circuit breaker simulation execution command includes corresponding action instructions for overload protection and short-circuit protection.

10. The control method of the intelligent measuring circuit breaker based on data drive according to claim 1, characterized in that: The step S105 includes: According to the execution result of the measurement circuit breaker simulation command, determine whether the mirror virtual measurement circuit breaker simulation system operates normally; If the mirrored virtual measurement circuit breaker simulation system runs normally and the execution results of the simulation command meet expectations, proceed to the next step; After confirming that the mirror virtual measuring circuit breaker simulation system operates normally, converting the measuring circuit breaker simulation execution command corresponding to the measuring circuit breaker simulation command execution result into a real-time measuring circuit breaker execution command; The converted real-time measurement circuit breaker execution command is sent to the actual measurement circuit breaker.

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