A method for establishing fault rules and assisting decision-making based on distribution network data

Abstract

The present invention discloses a method for establishing fault rules and assisting decision-making based on distribution network data, and relates to the technical field of power system distribution network dispatch fault processing. The method includes: detecting whether the line is tripped, if the line is tripped, collecting the alarm data of the equipment signal, and obtaining the equipment topology relationship network of the relevant equipment on the line from the system; monitoring whether the equipment signal is abnormal, if the equipment signal is abnormal, obtaining the fault location range of the fault; generating the optimal transfer plan according to the fault location range, sending the transfer plan to the user terminal, and assisting the user in handling the fault. The automatic collection of main network fault information and distribution network equipment automation signal data is realized, which significantly improves the efficiency and accuracy of data collection, and improves the stability and reliability of the power system.

Description

Technical Field

[0001] The present application relates to the technical field of power system distribution network dispatching fault processing, and in particular to a fault rule establishment and auxiliary decision-making method based on distribution network data. Background Art

[0002] In the power system, it is crucial for distribution network dispatchers to correctly and quickly handle faults to ensure the safe operation of the power grid. Traditional fault handling methods often rely on manual review of fault information and judgment, which is inefficient and prone to errors. With the development of information technology, automatic collection and analysis of distribution network equipment data combined with intelligent algorithms for fault analysis has become an important means to improve fault handling efficiency. However, existing fault handling methods still have shortcomings in terms of data collection integrity, analysis accuracy, and intelligent fault analysis. Summary of the invention

[0003] The object of the present invention is to provide a method for establishing fault rules and assisting decision-making based on distribution network data, so as to solve the problems raised in the above-mentioned background technology.

[0004] This application provides a method for establishing fault rules and assisting decision-making based on distribution network data, which adopts the following technical solutions:

[0005] Detect whether the line is tripped. If the line is tripped, collect the alarm data of the equipment signal and obtain the equipment topology relationship network of the relevant equipment on the line from the system;

[0007] Monitor whether the device signal is abnormal. If the device signal is abnormal, the fault scope is obtained;

[0008] Generate the optimal power transfer plan based on the fault scope, and send the plan to the user terminal to assist the user in handling the fault.

[0009] Preferably,

[0010] The step of collecting the alarm data of the device signal and obtaining the device topology relationship network after processing the alarm data is specifically as follows:

[0011] Collect the alarm data of the equipment, filter and process the alarm data to obtain valid data;

[0012] Extract key information from valid data and establish equipment information database based on key information;

[0013] Obtain the superior-subordinate relationship of devices, and establish a device topology network based on the device information database and the superior-subordinate relationship;

[0014] Obtain basic device information, match the basic device information with the alarm data according to the device topology network, establish a one-to-one mapping relationship, and obtain mapping data.

[0015] Preferably, the step of collecting the alarm data of the equipment and filtering the alarm data to obtain valid data is specifically:

[0016] Classify the alarm data, match the corresponding type, parse according to the type corresponding to the alarm data and the preset standard format, and obtain standard data;

[0017] Set filtering keywords and filter out valid signals from the standard data according to the filtering keywords as valid data.

[0018] Preferably, the step of monitoring whether the device signal is abnormal, and obtaining the fault scope of the fault if the device signal is abnormal, is specifically:

[0019] Determine whether the main network equipment has a trip action. If the main network equipment has a trip action, check the distribution network equipment one by one according to the preset topological relationship;

[0020] Obtain the power-on closing time and power-off opening time of each distribution network device, and determine whether the power-on closing time and power-off opening time are consistent with the preset expected values;

[0021] If it is consistent with the preset expected value, it is judged that the device is normal; if it is inconsistent with the preset expected value, it is judged that the device is abnormal;

[0022] If the equipment is abnormal, the first switch with abnormality is immediately marked and recorded as a potential fault point;

[0023] Monitor the signal of the equipment and determine the fault scope based on the potential fault points.

[0024] Preferably, the step of determining the fault range of the fault by combining the signal of the monitoring device with the potential fault point is specifically as follows:

[0025] Determine whether the device switch has a leaking lock phenomenon. If the device switch has a leaking lock phenomenon, determine whether the device switch sends an alarm signal;

[0026] If the device switch sends out an alarm signal, it is judged that the fault range is located in the rear section of the abnormal device switch;

[0027] Continue to monitor the conditions of other switches at the rear section of the abnormal device switch until it is determined that the fault is located at the front section of the device switch that has not issued an alarm signal, and obtain the fault range;

[0028] If the abnormal device switch does not send out an alarm signal, it is determined that the fault range of the fault is located in the front section of the abnormal device switch, and the fault range is obtained;

[0029] If it is detected that multiple switches send out alarm signals at the same time, check them according to the order of the alarm signals;

[0030] The last circuit breaker that sends out an alarm signal is the upstream of the fault, and the next circuit breaker after the last circuit breaker that sends out an alarm signal is the downstream of the fault. The fault range is between the upstream of the fault and the downstream of the fault.

[0031] Isolate the fault according to its scope.

[0032] Preferably, the step of isolating the fault according to the fault scope is specifically:

[0033] When it is confirmed that the fault range is in the front section of the abnormal device switch, first close and open the abnormal device switch;

[0034] When it is confirmed that the fault range is in the rear section of the abnormal equipment switch, the next circuit breaker after the last circuit breaker that issued an alarm signal is remotely closed and opened.

[0035] Preferably, the step of generating the optimal power transfer plan according to the fault scope, sending the power transfer plan to the user terminal, and assisting the user in handling the fault is specifically as follows:

[0036] Obtain historical fault data and extract the cause of the fault based on the fault scope and valid data;

[0037] Combine the equipment topology relationship, the cause of the fault and the scope of the fault impact to obtain the fault information of the line;

[0038] Generate the optimal power transfer plan based on the fault information, and send the plan to the user terminal to assist the user in handling the fault.

[0039] Preferably, the step of generating the optimal power transfer plan according to the fault information, sending the power transfer plan to the user terminal, and assisting the user in handling the fault is specifically as follows:

[0040] Extracting the tie switch transfer information stored in the system, wherein the tie switch transfer information includes the location, capacity and transfer range of the tie switch;

[0041] Search for contact switches within a preset distance range from the specific location as potential transfer sources;

[0042] According to the capacity and transfer range of the tie switch, determine whether the tie switch can meet the requirements of fault recovery;

[0043] If the fault recovery requirements can be met, it will serve as the main transfer source, and the optimal transfer plan will be formed based on the main transfer source;

[0044] The optimal power transfer plan is sent to the user terminal to assist the user in handling faults.

[0045] Preferably, the step of generating the optimal power transfer plan according to the fault information, sending the power transfer plan to the user terminal, and assisting the user in handling the fault is specifically as follows:

[0046] Convert the optimal supply transfer plan into a graphical representation and attach data descriptions to form a user view;

[0047] Send the user view to the user terminal to assist the user in troubleshooting.

[0048] In summary, the present application includes at least one of the following beneficial technical effects:

[0049] 1. Realize the automatic collection of main network fault information and distribution network equipment automation signal data, significantly improving the efficiency and accuracy of data collection. Collect basic equipment information and topological relationships, build equipment information database and topological relationship network, and provide a solid foundation for fault analysis. Intelligently adjust signal abnormality judgment, quickly locate fault points according to alarm signals and leakage lockout phenomena, reduce manual intervention, and improve fault handling speed.

[0050] 2. Rapidly lock abnormal equipment by comparing time parameters to improve the accuracy of fault location. Intelligently upgrade the signal fault judgment method, comprehensively analyze the sequence and type of alarm signals, further narrow the fault scope, and improve the efficiency of judgment. Integrate the judgment results, automatically generate switch topology diagrams and detailed fault reports, and provide users with comprehensive fault information.

[0051] 3. The collected information on the interconnection switch transfer is combined with the fault location to provide users with an accurate transfer plan. The transfer plan is scientific and reliable, and is displayed in an intuitive map annotation format, which facilitates users to make decisions quickly, effectively respond to faults, and ensure stable operation of the power system. BRIEF DESCRIPTION OF THE DRAWINGS

[0052] Figure 1 It is a schematic diagram of specific steps of an embodiment of a method for establishing fault rules and assisting decision-making based on distribution network data of the present invention. DETAILED DESCRIPTION

[0053] Below is a combination of the embodiments and Figure 1 The present invention is further described in detail, but the embodiments of the present invention are not limited thereto.

[0054] The present invention discloses a method for establishing fault rules and assisting decision-making based on distribution network data, which specifically includes the following steps:

[0055] Step S1, detect whether the line is tripped. If the line is tripped, collect the alarm data of the equipment signal, and obtain the equipment topology relationship network of the relevant equipment on the line from the system.

[0056] Step S2, monitoring whether the device signal is abnormal, if the device signal is abnormal, then obtaining the fault range of the fault.

[0057] Step S3, generating an optimal power transfer plan according to the fault scope, and sending the power transfer plan to the user terminal to assist the user in handling the fault.

[0058] In actual application, advanced Python technology is used to realize the automatic collection of fault information of the main network of the OCS system, and at the same time capture the automation signal data of the distribution network equipment related to it. These data are strictly formatted and parsed in a unified and standardized manner according to the line to which the equipment belongs, the tower to which the equipment belongs, the equipment name, the signal type, the signal action and the SOE standard format. On this basis, the secondary parsing process is further executed to carefully screen the valid signals containing keywords such as "leakage lockout", "alarm signal", "overcurrent alarm", "lockout", "closing" and "opening and closing" to ensure the accuracy and practicality of the information.

[0059] Through Python scripts, it is possible to log in to the GIS system seamlessly, thereby obtaining detailed information on all switchgear under the faulty substation, including but not limited to key parameters such as topological relationships, switch types, incoming power closing settings, and power-off opening settings. A comprehensive equipment information database has been established based on the equipment ID, the line to which the equipment belongs, the tower to which the equipment belongs, the equipment name, the upper-level equipment information and its ID, the switch type (distinguishing between non-throwing and logical types), the incoming power closing and power-off opening settings of the switch, and whether it has the ability to transfer power and specific power transfer information. This information forms the basis for fault judgment, and based on the upper and lower relationships of the equipment, a network of equipment topological relationships is carefully constructed.

[0060] The steps of collecting the alarm data of the device signal and processing the alarm data to obtain the device topology relationship network are as follows:

[0061] Step S11, collecting alarm data of the equipment, and filtering and processing the alarm data to obtain valid data.

[0062] Step S12, extracting key information from the valid data and establishing a device information database based on the key information.

[0063] Step S13, obtaining the superior-subordinate relationship of the devices, and establishing a device topology relationship network according to the device information database and the superior-subordinate relationship.

[0064] Step S14, obtaining basic device information, matching the basic device information with the alarm data according to the device topology network, establishing a one-to-one mapping relationship, and obtaining mapping data.

[0065] In actual application, write a Python script, log in to the GIS system, and obtain detailed information on all switchgear under the faulty substation. Extract parameters such as the topological relationship of the equipment, switch type, closing setting value when incoming power is applied, and opening setting value when power is lost. Establish an equipment information database to store data according to fields such as equipment ID, equipment line, equipment tower, equipment name, upper-level equipment information and its ID. Construct an equipment topological relationship network based on the upper-lower relationship of the equipment. Write a data matching program to match SOE data with basic equipment information. The matching basis includes the equipment line, equipment tower, and equipment name. Establish a one-to-one mapping relationship to ensure that each data point can accurately correspond to a specific device.

[0066] The steps of collecting the alarm data of the equipment and filtering and processing the alarm data to obtain valid data are as follows:

[0067] Step S111 , classify the alarm data, match the corresponding type, parse the alarm data according to the type corresponding to the alarm data and a preset standard format, and obtain standard data.

[0068] Step S112, setting a screening keyword, and screening out valid signals from the standard data according to the screening keyword as valid data.

[0069] In actual application, Python scripts are used to write automation programs, connect to the OCS system, and obtain main network fault information regularly. The acquired fault information is parsed to extract the automation signal data related to the distribution network equipment. The signal data is formatted according to the line to which the equipment belongs, the tower to which the equipment belongs, the equipment name, the signal type, the signal action, and the SOE standard format. A secondary parsing program is written to filter valid signals containing keywords such as "leakage lockout", "alarm signal", "overcurrent alarm", "lockout", "close", and "open and close".

[0070] The steps of monitoring whether the device signal is abnormal, and if the device signal is abnormal, obtaining the fault location range of the fault are as follows:

[0071] Step S21, determining whether the main network device has a tripping action. If the main network device has a tripping action, the distribution network devices are checked one by one according to the preset topological relationship.

[0072] Step S22, obtaining the power-on closing time and power-off opening time of each distribution network device, and determining whether the power-on closing time and power-off opening time are consistent with preset expected values.

[0073] Step S23: If the value is consistent with the preset expected value, it is determined that the device is normal; if the value is inconsistent with the preset expected value, it is determined that the device is abnormal.

[0074] Step S24: If the device is abnormal, the first switch that has the abnormality is immediately marked and recorded as a potential fault point.

[0075] Step S25, monitoring the signal of the equipment, and determining the fault location range of the fault in combination with the potential fault point.

[0076] In actual use, we use a more intelligent method to judge signal faults. First, the system will detect whether there is a missed lockout phenomenon and confirm whether it is accompanied by an alarm signal. If both are met at the same time, the fault is likely to be located in the rear section of the switch. At this time, the system will further analyze other signal conditions of the line section to verify the specific location of the fault point. If the system does not detect an overcurrent alarm signal, we can preliminarily determine that the fault is located in the front section of the switch. In order to verify this judgment, the system can take remote control operation, first close and open the switch, and after confirming its status, remotely close the contact circuit breaker in the rear section to try to restore power supply. If the system detects that multiple switches send out alarm signals at the same time, it will conduct a comprehensive analysis based on the sequence and type of the alarm signals. By remotely closing and opening the next circuit breaker of the last circuit breaker that sends out an alarm signal, and remotely closing the contact circuit breaker in the rear section again, the fault location range can be further narrowed. If this operation fails to solve the problem, the system will locate the fault point on the line between the last alarm circuit breaker and the broken loop point.

[0077] Write a program to lock the action time of the main network equipment as a benchmark based on the equipment topology. Calculate the opening and closing time of the distribution network equipment, and compare it with the data collected and mapped by the SOE system. If there is an abnormality in the time parameters, start the fault location mechanism, check the equipment one by one, and lock the potential fault point. Write a program to detect whether there is a leakage lock phenomenon and confirm whether it is accompanied by an alarm signal. If both are met at the same time, the program determines that the fault is located in the rear section of the switch, and further analyzes other signal conditions of this section of the line. If no overcurrent alarm signal is detected, it is determined that the fault is located in the front section of the switch, and a remote control operation program is written for verification. If multiple switches are detected to send alarm signals at the same time, a comprehensive analysis is performed based on the sequence and type of the alarm signals to narrow the scope of the fault location.

[0078] The steps of monitoring the signal of the equipment and determining the fault location range of the fault in combination with the potential fault point are as follows:

[0079] Step S251, determining whether the device switch has a missing lock phenomenon, and if the device switch has a missing lock phenomenon, determining whether the device switch sends an alarm signal.

[0080] Step S252: If the device switch sends an alarm signal, it is determined that the fault location range of the fault is located at the rear section of the abnormal device switch.

[0081] Step S253, continuously monitor the conditions of other switches at the rear section of the abnormal device switch until it is determined that the fault is located at the front section of the device switch that has not issued an alarm signal, and the fault range is obtained.

[0082] Step S254: If the abnormal device switch does not send out an alarm signal, it is determined that the fault range of the fault is located in the front section of the abnormal device switch, and the fault position range is obtained.

[0083] Step S255: If it is detected that multiple switches send out alarm signals at the same time, check according to the sequence of the alarm signals.

[0084] Step S256: the last circuit breaker that sends out an alarm signal is the upstream of the fault, and the next circuit breaker after the last circuit breaker that sends out an alarm signal is the downstream of the fault, and the fault position range is between the upstream of the fault and the downstream of the fault.

[0085] Step S257, isolating the fault according to the fault location range.

[0086] In actual use, write a program to set the rules for the main network equipment to open the switch. When the main network equipment opens, the program checks the distribution network equipment one by one according to the preset topological relationship. Monitor the power-on closing time and power-off opening time of each distribution network equipment and compare them with the expected values. Mark the first switch with an abnormality as a potential fault point. Write a program to set signal abnormality rules. When a switch is detected to have a leakage lock phenomenon and an alarm signal is received at the same time, the program preliminarily determines that the fault is located in the rear section of the switch. Further analyze other signal conditions of this section of the line to verify the specific location of the fault point. If no overcurrent alarm signal is detected, it is determined that the fault is located in the front section of the switch. Write a remote control operation program to close, open and lock the switch and try to restore power supply.

[0087] The steps to isolate the fault according to the fault location range are as follows:

[0088] Step S2571, when it is confirmed that the fault location range is in the front section of the equipment switch, first close and open the abnormal equipment switch.

[0089] Step S2572, when it is confirmed that the fault location range is in the rear section of the equipment switch, remotely close and open the next circuit breaker of the last circuit breaker that issued an alarm signal.

[0090] Generate the optimal power transfer plan according to the fault location range, send the power transfer plan to the user terminal, and assist the user in handling the fault. The specific steps are as follows:

[0091] Step S31, obtaining historical fault data, and extracting the cause of the fault in combination with the fault location range and valid data.

[0092] Step S33, combining the equipment topology relationship, and incorporating the cause of the fault and the scope of the fault impact, to obtain line fault information.

[0093] Step S34, generating an optimal power transfer plan based on the fault information, and sending the power transfer plan to the user terminal to assist the user in handling the fault.

[0094] In actual use, the system will integrate all the judgment results and automatically generate a switch topology diagram and a detailed fault report based on the device topology. These reports not only include the specific location of the fault point, but also provide the cause of the fault, the scope of impact, and the recommended solutions.

[0095] The steps of generating the optimal power transfer plan based on the fault information and sending the power transfer plan to the user terminal to assist the user in handling the fault are as follows:

[0096] Step S341, extracting the tie switch transfer information stored in the system, where the tie switch transfer information includes the location, capacity and transfer range of the tie switch.

[0097] Step S342, searching for a tie switch within a preset distance range from the specific location as a potential transfer source.

[0098] Step S343: judging whether the tie switch can meet the requirement of fault recovery according to the capacity and transfer range of the tie switch.

[0099] Step S344: If the fault recovery requirements can be met, it will be used as the main transfer source, and an optimal transfer plan will be formed based on the main transfer source.

[0100] Step S345, sending the optimal power transfer plan to the user terminal to assist the user in handling the fault.

[0101] In actual use, write a program to connect to the GIS system to obtain key parameters such as the location, capacity, and transfer range of the interconnection switch. When the system detects the fault point and determines its location, the program automatically searches and selects the interconnection switch close to the fault point on the GIS map. Write a program to analyze the capacity and transfer range of the interconnection switch to ensure that the requirements of fault recovery are met. Consider factors such as safety, stability, and economy during the transfer process, and provide users with one or more optimal transfer plans. The plan includes detailed information such as the transfer path, transfer capacity, and transfer time.

[0102] The optimal power transfer plan is sent to the user terminal to assist the user in handling the fault, specifically:

[0103] Step S3451, convert the optimal supply transfer plan into a graphical annotation format, attach data descriptions, and form a user view.

[0104] Step S3452: Send the user view to the user terminal to assist the user in troubleshooting.

[0105] In actual use, a program is written to display the power transfer plan to the user in an intuitive map annotation manner. Detailed instructions and suggestions are attached, including the steps and precautions for the power transfer operation. A user interaction interface is provided to facilitate users to view and select the power transfer plan. The technical solution of the present invention can realize the automatic collection and analysis of distribution network data, the refined setting and intelligent adjustment of fault rules, the accurate and efficient fault analysis and judgment, and the scientific and reliable auxiliary decision-making, providing a strong guarantee for the stable operation of the power system.

[0106] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A fault rule establishment and auxiliary decision-making method based on distribution network data, characterized in that: The following steps are involved: Detect whether the line is tripped. If the line is tripped, collect the alarm data of the equipment signal and obtain the equipment topology relationship network of the relevant equipment on the line from the system; Monitor whether the device signal is abnormal. If the device signal is abnormal, the fault range is obtained; Generate the optimal power transfer plan based on the fault location range, and send the plan to the user terminal to assist the user in handling the fault.

2. A method for establishing fault rules and assisting decision-making based on distribution network data according to claim 1, characterized in that: The step of collecting the alarm data of the device signal and obtaining the device topology relationship network after processing the alarm data is specifically as follows: Collect the alarm data of the equipment, filter and process the alarm data to obtain valid data; Extract key information from valid data and establish equipment information database based on key information; Obtain the superior-subordinate relationship of devices, and establish a device topology network based on the device information database and the superior-subordinate relationship; Obtain basic device information, match the basic device information with the alarm data according to the device topology network, establish a one-to-one mapping relationship, and obtain mapping data.

3. A method for establishing fault rules and assisting decision-making based on distribution network data according to claim 2, characterized in that: The step of collecting the alarm data of the device and filtering and processing the alarm data to obtain valid data is specifically as follows: Classify the alarm data, match the corresponding type, parse according to the type corresponding to the alarm data and the preset standard format, and obtain standard data; Set filtering keywords and filter out valid signals from the standard data according to the filtering keywords as valid data.

4. The method for establishing fault rules and assisting decision-making based on distribution network data according to claim 1, characterized in that: The step of monitoring whether the device signal is abnormal and obtaining the fault scope of the fault if the device signal is abnormal is specifically as follows: Determine whether the main network equipment has a trip action. If the main network equipment has a trip action, check the distribution network equipment one by one according to the preset topological relationship; Obtain the power-on closing time and power-off opening time of each distribution network device, and determine whether the power-on closing time and power-off opening time are consistent with the preset expected values; If it is consistent with the preset expected value, it is judged that the device is normal; if it is inconsistent with the preset expected value, it is judged that the device is abnormal; If the equipment is abnormal, the first switch with abnormality is immediately marked and recorded as a potential fault point; Monitor the signal of the equipment and determine the fault scope based on the potential fault points.

5. A method for establishing fault rules and assisting decision-making based on distribution network data according to claim 4, characterized in that: The step of determining the fault range of the fault by combining the signal of the monitoring device with the potential fault point is specifically as follows: Determine whether the device switch has a leaking lock phenomenon. If the device switch has a leaking lock phenomenon, determine whether the device switch sends an alarm signal; If the device switch sends out an alarm signal, it is judged that the fault range is located in the rear section of the abnormal device switch; Continue to monitor the conditions of other switches at the rear section of the abnormal device switch until it is determined that the fault is located at the front section of the device switch that has not issued an alarm signal, and obtain the fault range; If the abnormal device switch does not send out an alarm signal, it is determined that the fault range of the fault is located in the front section of the abnormal device switch, and the fault range is obtained; If it is detected that multiple switches send out alarm signals at the same time, check them according to the order of the alarm signals; The last circuit breaker that sends out an alarm signal is the upstream of the fault, and the next circuit breaker after the last circuit breaker that sends out an alarm signal is the downstream of the fault. The fault range is between the upstream of the fault and the downstream of the fault. Isolate the fault according to its scope.

6. A method for establishing fault rules and assisting decision-making based on distribution network data according to claim 5, characterized in that: The steps of isolating the fault according to the fault scope are specifically as follows: When it is confirmed that the fault range is in the front section of the abnormal device switch, first close and open the abnormal device switch; When it is confirmed that the fault range is in the rear section of the abnormal equipment switch, the next circuit breaker after the last circuit breaker that issued an alarm signal is remotely closed and opened.

7. A method for establishing fault rules and assisting decision-making based on distribution network data according to claim 6, characterized in that: The steps of generating the optimal power transfer plan according to the fault range, sending the power transfer plan to the user terminal, and assisting the user in handling the fault are specifically as follows: Obtain historical fault data and extract the cause of the fault based on the fault scope and valid data; Combine the equipment topology relationship, the cause of the fault and the scope of the fault impact to obtain the fault information of the line; Generate the optimal power transfer plan based on the fault information, and send the plan to the user terminal to assist the user in handling the fault.

8. A method for establishing fault rules and assisting decision-making based on distribution network data according to claim 7, characterized in that: The step of generating the optimal power transfer plan according to the fault information, sending the power transfer plan to the user terminal, and assisting the user in handling the fault is specifically as follows: Extracting the tie switch transfer information stored in the system, wherein the tie switch transfer information includes the location, capacity and transfer range of the tie switch; Search for contact switches within a preset distance range from the specific location as potential transfer sources; According to the capacity and transfer range of the tie switch, determine whether the tie switch can meet the requirements of fault recovery; If the fault recovery requirements can be met, it will serve as the main transfer source, and the optimal transfer plan will be formed based on the main transfer source; The optimal power transfer plan is sent to the user terminal to assist the user in handling faults.

9. A method for establishing fault rules and assisting decision-making based on distribution network data according to claim 8, characterized in that: The step of sending the optimal power transfer plan to the user terminal to assist the user in handling the fault is specifically as follows: Convert the optimal supply transfer plan into a graphical representation and attach data descriptions to form a user view; Send the user view to the user terminal to assist the user in troubleshooting.

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