Power transformation equipment fault tripping monitoring system, method, medium and program product

Abstract

The application provides a power transformation equipment fault tripping monitoring system, method, medium and program product, and relates to the technical field of power grid fault processing. The monitoring system comprises: a data acquisition system, configured to acquire system operation data of a power grid system; if it is detected that the system operation data contains alarm information of a target substation and position change information of a switch in the target substation, the alarm information and the position change information are sent to a tripping judgment system; the tripping judgment system is configured to determine whether there is an operation and maintenance record corresponding to a time stamp; if not, it is determined that the switch has failed tripping, and the time stamp and a target switch identifier of the switch are sent to a tripping analysis system; the tripping analysis system is configured to determine system operation data of the target substation within a first preset time length corresponding to the time stamp according to the target switch identifier, and generate a fault tripping report of the switch. The application improves data collection efficiency, automatically realizes research and judgment of fault tripping, and further improves fault troubleshooting efficiency and fault processing efficiency.

Description

Technical Field

[0001] This application relates to the field of power grid fault handling technology, and in particular to a power equipment fault trip monitoring system, method, medium and program product. Background Technology

[0002] As a crucial node in power transmission and distribution, the operational stability of substations directly impacts the overall stability, reliability, and security of the power grid. However, with the continuous expansion of power grid construction and the high proportion of distributed energy integration, the topological complexity of substation equipment has increased accordingly. Consequently, circuit breaker tripping issues caused by equipment failures in substations are becoming more frequent, posing a severe challenge to the normal operation of the power grid.

[0003] In related technologies, after a power equipment trips, data is mainly collected through on-site inspections by maintenance personnel, followed by manual data analysis. However, this method suffers from low data collection efficiency, which in turn leads to low troubleshooting efficiency. Summary of the Invention

[0004] This application provides a power equipment fault trip monitoring system, method, medium, and program product to improve data collection efficiency and thus improve fault diagnosis efficiency.

[0005] In a first aspect, this application provides a power equipment fault trip monitoring system, comprising:

[0006] The data acquisition system is used to acquire system operation data of the power grid system; and when it detects that the system operation data contains alarm information of the target substation and change information of the switch in the target substation, it sends alarm information and change information to the trip judgment system. The alarm information includes a timestamp.

[0007] The tripping judgment system is used to determine whether there is an operation and maintenance record with a corresponding timestamp. The operation and maintenance record includes the operation and maintenance record of the switch and / or the operation and maintenance record of the substation equipment associated with the switch. If it does not exist, it is determined that the switch has tripped due to a fault, and the timestamp and the target switch identifier of the switch are sent to the tripping analysis system.

[0008] The tripping analysis system is used to determine the system operation data of the target substation within the first preset time period corresponding to the timestamp based on the target switch identifier, and generate a fault tripping report of the switch.

[0009] In one possible implementation, the trip analysis system is specifically used for:

[0010] Based on the mapping relationship between switch identifiers and substations, the target substation is determined according to the target switch identifier;

[0011] Acquire system operation data of the target substation within the first preset time period corresponding to the timestamp;

[0012] Based on the target switch identifier, obtain the inspection data for the switch;

[0013] Based on the inspection data and the system operation data within the first preset time period, a fault trip report of the switch is generated.

[0014] In one possible implementation, the power equipment fault trip monitoring system further includes: an intelligent inspection system;

[0015] The trip analysis system is also used to send inspection instructions for switches to the intelligent inspection system in order to obtain inspection data. The inspection instructions carry the target switch identifier.

[0016] The intelligent inspection system is used to respond to inspection commands. Based on the mapping relationship between switch identifiers, inspection points, and equipment intervals, it controls the intelligent inspection equipment at the inspection point corresponding to the target switch identifier to inspect the equipment interval corresponding to the switch and obtain inspection data.

[0017] In one possible implementation, the intelligent inspection system includes:

[0018] The equipment ledger management module is used to establish the mapping relationship between power equipment, switches and equipment bays, the mapping relationship between outgoing line bays and external transmission towers of substations, and the mapping relationship between the inspection points of intelligent inspection equipment and equipment ledger information.

[0019] The camera management module is used for network debugging, preset position acceptance, and program management of power transmission and transformation cameras.

[0020] The drone management module is used to perform 3D real-scene modeling of substations, as well as flight path planning, flight path splitting, management, and risk point verification for drones.

[0021] The robot management module is used to perform two-dimensional radar modeling of the inside and outside of the substation, as well as to plan, connect and manage the inspection points of indoor and outdoor robots.

[0022] In one possible implementation, the trip analysis system is also used for:

[0023] Acquire video data of the target substation within the second preset duration corresponding to the timestamp;

[0024] Based on video data, inspection data, and system operation data within a first preset time period, a fault trip report for the switch is generated.

[0025] In one possible implementation, the operation and maintenance records include substation equipment maintenance information, substation equipment operating status planned adjustment information, and power grid operation mode planned adjustment information.

[0026] The power equipment fault trip monitoring system also includes an operation and maintenance pool system, which is used to record and update power equipment maintenance information, power equipment operating status, planned adjustment information of power equipment operating status, and planned adjustment information of power grid operation mode;

[0027] Correspondingly, the equipment tripping judgment system is also used to obtain the operation and maintenance records of the substation equipment from the operation and maintenance pool system.

[0028] In one possible implementation, the trip analysis system is also used to: output a fault trip report via voice call or SMS to remind relevant personnel to handle the fault.

[0029] In one possible implementation, the data acquisition system includes:

[0030] The system operates a data acquisition module to acquire real-time monitoring data of the power grid; and when it detects that the real-time monitoring data contains alarm information and change information, it sends alarm information and change information to the equipment trip judgment system.

[0031] The weather data acquisition module is used to acquire weather information and lightning strike location information for key areas of concern.

[0032] The operation and maintenance data acquisition module is used to acquire work tickets carried out in the station on the same day, operation tickets for switching operations on the same day, historical defect information, inspection and maintenance records, N-1 power grid risk and basic information data related to the tripped equipment.

[0033] Secondly, this application provides a method for monitoring power equipment fault tripping, applied to the power equipment fault tripping monitoring system of the first aspect. The method for monitoring power equipment fault tripping includes:

[0034] The data acquisition system acquires the system operation data of the power grid system; and when it detects that the system operation data contains alarm information of the target substation and change information of the switch in the target substation, it sends alarm information and change information to the trip judgment system. The alarm information includes a timestamp.

[0035] The tripping judgment system determines whether there is a corresponding timestamp of operation and maintenance record. The operation and maintenance record includes the operation and maintenance record of the switch and / or the operation and maintenance record of the substation equipment associated with the switch. If it does not exist, it determines that the switch has tripped due to a fault and sends the timestamp and the target switch identifier of the switch to the tripping analysis system.

[0036] The trip analysis system determines the system operation data of the target substation within the first preset time period corresponding to the timestamp based on the target switch identifier, and generates a fault trip report for the switch.

[0037] Thirdly, this application provides a computer-readable storage medium storing computer-executable instructions, which, when executed, are used to implement the second aspect and / or various possible embodiments of the second aspect as described above.

[0038] Fourthly, this application provides a computer program product, including a computer program that, when executed, implements the second aspect and / or various possible implementations of the second aspect.

[0039] The power equipment fault tripping monitoring system, method, medium, and program products provided in this application include a data acquisition system, a tripping judgment system, and a tripping analysis system. The data acquisition system acquires system operation data of the power grid system. When it detects that the system operation data contains alarm information from a target substation and change information of a switch in the target substation, it sends the change information and an alarm message with a timestamp to the tripping judgment system. The tripping judgment system determines whether a maintenance record with a corresponding timestamp exists. This maintenance record includes the maintenance records of the switch and / or the maintenance records of the power equipment associated with the switch. If no such record exists, it determines that the switch has tripped due to a fault and sends the timestamp and the target switch identifier to the tripping analysis system. The tripping analysis system determines the system operation data of the target substation within a first preset time period corresponding to the timestamp based on the target switch identifier and generates a fault tripping report for the switch. This application automatically detects alarms and switch position changes by monitoring system operation data in real time. It promptly correlates and judges tripping events based on alarm information, switch position changes, and maintenance records, eliminating human interference and reducing the false alarm rate of fault tripping. In addition, the entire process is automated, reducing labor costs while improving data collection timeliness and shortening fault investigation time. Furthermore, it performs in-depth analysis only on fault tripping events without maintenance records, generating fault tripping reports, reducing redundant data processing, thereby improving fault investigation efficiency, increasing fault handling response speed, and ensuring the safe and stable operation of the power grid. Attached Figure Description

[0040] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application.

[0041] Figure 1 A schematic diagram of the structure of the power equipment fault tripping monitoring system provided in the embodiments of this application. Figure 1 ;

[0042] Figure 2 A schematic diagram of the structure of the power equipment fault tripping monitoring system provided in the embodiments of this application. Figure 2 ;

[0043] Figure 3A flowchart illustrating the substation fault tripping monitoring method provided in this application embodiment. Figure 1 ;

[0044] Figure 4 A flowchart illustrating the substation fault tripping monitoring method provided in this application embodiment. Figure 2 .

[0045] The accompanying drawings illustrate specific embodiments of this application, which will be described in more detail below. These drawings and descriptions are not intended to limit the scope of the concept in any way, but rather to illustrate the concept of this application to those skilled in the art through reference to particular embodiments. Detailed Implementation

[0046] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with some aspects of this application as detailed in the appended claims.

[0047] In related technologies, after a power equipment trips, the main reliance is on maintenance personnel to conduct on-site inspections, collect data, and analyze the data. However, the complexity of power equipment faults and the diversity of data make the efficiency of traditional manual data collection and analysis even lower, making it impossible to quickly and accurately identify the cause of the fault, thus affecting the efficiency of fault handling and the safe and stable operation of the power grid.

[0048] To address the aforementioned technical issues, the substation equipment fault tripping monitoring system provided in this application, through the coordinated operation of a data acquisition system, a tripping judgment system, and a tripping analysis system, performs fully automated execution, improving data collection timeliness and shortening fault investigation time. Furthermore, upon detecting substation alarms and switch position changes, it intelligently analyzes whether the tripping is faulty, filtering out tripping events caused by human operation. It further performs in-depth analysis only on faulty tripping events without maintenance records, generating fault tripping reports, reducing redundant data processing, thereby improving fault investigation efficiency and increasing fault response speed.

[0049] The technical solution of this application and how the technical solution of this application solves the above-mentioned technical problems are described in detail below with specific embodiments. These specific embodiments can be combined with each other, and the same or similar concepts or processes may not be described again in some embodiments. The embodiments of this application will now be described with reference to the accompanying drawings.

[0050] Figure 1 A schematic diagram of the structure of the power equipment fault tripping monitoring system provided in the embodiments of this application. Figure 1 ,like Figure 1 As shown, the power equipment fault tripping monitoring system provided in this embodiment includes: a data acquisition system 11, a tripping judgment system 12, and a tripping analysis system 13; wherein:

[0051] The data acquisition system 11 is used to acquire system operation data of the power grid system; and when it detects that the system operation data contains alarm information of the target substation and change information of the switch in the target substation, it sends alarm information and change information to the trip judgment system 12. The alarm information includes a timestamp.

[0052] Among them, the system operation data is used to assist in the online monitoring and fault analysis of power equipment tripping. For example, it includes real-time monitoring data (equipment status potential information, load data, current, voltage, protection information, interval light sign information, intelligent waveform recording data, etc.), meteorological data (such as weather information of the power grid transmission and transformation main network area, lightning strike location information, etc.), and power equipment operation and maintenance work data (such as work tickets carried out in the station on the same day, operation tickets for switching operations on the same day, historical defect information, inspection and maintenance records, etc.).

[0053] Switches in a substation include devices such as circuit breakers and disconnectors, used to control the connection and disconnection of circuits. For example, a circuit breaker can cut off the current in the event of a fault, protecting other equipment.

[0054] For example, the data acquisition system 11 acquires real-time monitoring data from the power grid dispatch data center, meteorological data from the local meteorological bureau or power grid meteorological service system, and operation and maintenance data of substation equipment from the power grid management platform. It can also acquire real-time stored system operation data from other servers or databases.

[0055] The data acquisition system 11 performs real-time detection of alarms at the target substation and the change-position information of switches within the target substation on the acquired system operation data. For example, during the operation of the power grid system, if a tripping event occurs at substation A, the system operation data can detect alarm information for substation A. This alarm information may include a timestamp of the tripping event, the substation identifier of substation A, and the alarm content (tripping). Simultaneously, the system can also detect the change-position information of the switches that tripped in substation A. Multiple switches may trip, resulting in one or more change-position information entries. The change-position information includes at least a switch identifier (such as a unique identifier like switch name or switch number), and may also include change-position type (open / closed), timestamp, and other data. For example, the change-position information may indicate that switch A-2# is in the open state, meaning that switch A-2# tripped in substation A.

[0056] The tripping judgment system 12 is used to determine whether there is an operation and maintenance record with a corresponding timestamp. The operation and maintenance record includes the operation and maintenance record of the switch and / or the operation and maintenance record of the substation equipment associated with the switch. If it does not exist, it determines that the switch has tripped due to a fault and sends the timestamp and the target switch identifier of the switch to the tripping analysis system 13.

[0057] The operation and maintenance records can be stored in the trip judgment system 12, a server communicating with the trip judgment system 12, or other systems interfaced with the trip judgment system 12. These records can be updated periodically. Upon receiving alarm and change information from the data acquisition system 11, the operation and maintenance records can be retrieved from the memory or database of the trip judgment system 12, from the server communicating with the trip judgment system 12, or from other systems interfaced with the trip judgment system 12.

[0058] It is understandable that a substation, as a whole, is internally divided into multiple equipment bays, each containing specific electrical equipment (such as transformers and circuit breakers). Switches, as part of this electrical equipment, are installed within these bays to control the flow of circuits and protect the electrical equipment. Therefore, manual maintenance operations on a switch, or manual operations on the electrical equipment associated with that switch, may cause the switch to trip.

[0059] For example, the trip judgment system 12 responds to the alarm information and change information sent by the data acquisition system 11. Based on the timestamp and switch identifier in the alarm information, it searches the maintenance records to determine whether there are maintenance records for the switch identifier and / or the associated substation equipment within a certain time range before or after the timestamp. If there are, it is determined that the tripping event is a non-faulty tripping event caused by human operation, such as switching or planned maintenance of substation equipment, and no further investigation of the tripping cause is required. If there are no records, it is determined that the tripping event is a faulty tripping event caused by non-human operation, and further investigation of the tripping cause is required. In this case, the timestamp and the target switch identifier carried in the alarm information are sent to the tripping analysis system 13 for tripping cause analysis.

[0060] The tripping analysis system 13 is used to determine the system operation data of the target substation within the first preset time period corresponding to the timestamp based on the target switch identifier, and generate a fault tripping report of the switch.

[0061] The first preset duration can be preset according to the fault type to ensure coverage of critical event data. It should be noted that this application does not impose a specific limit on the first preset duration, as long as it ensures that critical event data can be covered within this duration.

[0062] For example, in response to receiving a timestamp and the target switch identifier sent by the trip judgment system 12, the trip analysis system 13 obtains the system operation data of the target substation corresponding to the target switch identifier within a first preset time period corresponding to the timestamp from the data acquisition system 11. For example, the system operation data from 5 minutes before to 5 minutes after the trip event occurs. Based on the system operation data within the first preset time period, a fault trip report for the switch is generated. For example, the system operation data is cleaned, standardized, correlated and integrated, and key feature extraction and analysis are performed. Based on the report template, a fault trip report is automatically generated. This fault trip report can assist maintenance personnel in determining the cause of the fault and thus quickly handle the fault.

[0063] Optionally, the fault report may also include fault handling suggestions.

[0064] Optionally, the trip analysis system 13 can visualize fault reports on the front-end interface of the power equipment fault trip monitoring system and / or send them to relevant personnel.

[0065] It should be noted that at least one of the data acquisition system 11, the trip judgment system 12, and the trip analysis system 13 can be independently deployed on at least one server. For example, the data acquisition system 11 can be deployed on one server; the trip judgment system 12 can be deployed on multiple servers, with the multiple servers working together to complete the functions of the trip judgment system 12. The servers can also be replaced by server clusters, virtual resources (such as containers), or computing devices with a certain computing power. This application does not limit the deployment form of the acquisition system 11, the trip judgment system 12, and the trip analysis system 13.

[0066] This application embodiment automatically detects alarms and switch position changes by real-time monitoring of system operation data, and promptly integrates multi-source data, such as alarm information, switch position changes, and maintenance records, to perform correlation judgment on tripping events, eliminate human operation interference, and reduce the false judgment rate of fault tripping. In addition, the entire process is automated, which reduces labor costs, improves data collection timeliness, and shortens fault investigation time. Furthermore, it performs in-depth analysis only on fault tripping events without maintenance records, generates fault tripping reports, reduces redundant data processing, thereby improving fault investigation efficiency, increasing fault handling response speed, reducing load loss and power outage time after a fault occurs, and ensuring the safe and stable operation of the power grid.

[0067] In some embodiments, the trip analysis system 13 is specifically used for: determining the target substation based on the mapping relationship between the switch identifier and the substation; obtaining system operation data of the target substation within a first preset time period corresponding to the timestamp; obtaining inspection data for the switch based on the target switch identifier; and generating a fault trip report for the switch based on the inspection data and the system operation data within the first preset time period.

[0068] For example, the trip analysis system 13 has a pre-set mapping relationship between switch identifiers and substations in its database. After receiving the timestamp and the target switch identifier sent by the trip judgment system 12, the system uses the target switch identifier as an index to search for the substation corresponding to that target switch identifier in the mapping relationship. The system acquisition system 11 can obtain the system operation data of the target substation corresponding to the target switch identifier within a first preset time period corresponding to the timestamp, for example, system operation data from 5 minutes before to 5 minutes after the trip event. Furthermore, based on the target switch identifier, the specific substation equipment associated with the switch and the equipment bay where the substation equipment is located can be identified. This allows for the association with inspection data for that switch, for example, by querying a database (such as cloud storage or an inspection record database), using API calls, or exporting data from other equipment management systems or inspection systems. The inspection data includes infrared thermal imaging data (such as temperature anomalies) and visible light images (such as external rust, oil leaks, and smoke).

[0069] The obtained inspection data and system operation data within the first preset time period are cleaned, standardized, correlated and integrated, and key feature extraction and analysis are performed. Based on the report template, a fault trip report is automatically generated.

[0070] In this embodiment, the on-site situation after a fault trip is collected through inspection data, providing safety recommendations for the accident level of the tripping event and fault handling; by fusing multimodal information from inspection data and system operation data, comprehensive monitoring of substation equipment before and after a fault trip is achieved, avoiding blind spots in fault data collection, improving the accuracy of fault trip analysis, providing more complete and accurate fault trip reports, and thus improving fault handling efficiency.

[0071] See below Figure 2 As shown, in some embodiments, the power equipment fault trip monitoring system further includes: an intelligent inspection system 14; a trip analysis system 13, which is also used to send inspection instructions for the switch to the intelligent inspection system 14 to obtain inspection data, the inspection instructions carrying the target switch identifier; the intelligent inspection system 14 is used to respond to the inspection instructions, and based on the mapping relationship between the switch identifier and the inspection point and equipment interval, control the intelligent inspection equipment at the inspection point corresponding to the target switch identifier to inspect the equipment interval corresponding to the switch and obtain inspection data.

[0072] For example, after the trip judgment system 12 determines that the switch has tripped due to a fault, it sends the trip timestamp and the target switch identifier to the trip analysis system 13 to trigger the trip analysis system 13 to issue an inspection command to the intelligent inspection system 14. The inspection command shall at least carry the target switch identifier, and may also carry information such as inspection duration, inspection range, and priority.

[0073] The intelligent inspection system 14 has a pre-set mapping relationship between switch identifiers, inspection points, and equipment intervals in its database. Inspection points are associated with intelligent inspection devices; each intelligent inspection device is responsible for at least one inspection point, and each equipment interval can be configured with at least one inspection point. When the intelligent inspection system 14 receives an inspection command, it assigns the intelligent inspection device corresponding to the inspection point of that switch identifier to perform the inspection. The intelligent inspection device then inspects the equipment interval corresponding to the switch (e.g., temperature measurement, inspection), and returns inspection data such as visible light and infrared images to the intelligent inspection system 14.

[0074] Intelligent inspection equipment includes, for example, drones and indoor / outdoor robots.

[0075] In this embodiment, after a fault trip occurs, the intelligent inspection system quickly responds to the inspection command, assigns intelligent inspection equipment to inspect the designated equipment intervals, and quickly obtains inspection data. Compared with manual inspection, this improves data collection efficiency and saves labor costs. The deep integration between the intelligent inspection system and the trip analysis system provides maintenance personnel with richer data for judgment, thereby improving the efficiency of fault diagnosis and fault handling.

[0076] Furthermore, in some embodiments, the intelligent inspection system includes: an equipment ledger management module, used to establish mapping relationships between power equipment, switches and equipment bays, mapping relationships between outgoing line bays and external transmission towers of the substation, and mapping relationships between inspection points of intelligent inspection equipment and equipment ledger information; a camera management module, used to perform network debugging, preset position acceptance and program management of power transmission and transformation cameras; a drone management module, used to perform 3D real-scene modeling of the substation, and to perform flight path planning, flight path splitting, management and risk point verification of drones; and a robot management module, used to perform 2D radar modeling of the inside and outside of the substation, and to plan, connect and manage inspection points of indoor and outdoor robots.

[0077] The intelligent inspection equipment includes drones, indoor and outdoor robots, cameras inside substations, and cameras on power transmission channels outside substations.

[0078] The equipment ledger management module records the names, numbers, and other ledger information of all substation equipment and external transmission towers in the power grid system. It binds substation equipment to their respective equipment bays, and switches to their respective equipment bays, establishing a mapping relationship between substation equipment, switches, and equipment bays. It also binds outgoing line bays to external transmission towers, establishing a mapping relationship between outgoing line bays and external transmission towers. Furthermore, it binds the inspection points of cameras, drones, and indoor / outdoor robots to the equipment ledger information, establishing a mapping relationship between the inspection points of intelligent inspection equipment and the equipment ledger information. This allows the intelligent inspection system to easily index the inspection points of corresponding intelligent inspection equipment based on the target switch identifier (name, number) and conduct inspections of individual substation equipment or their respective equipment bays. It also enables rapid acquisition of video data from the external transmission channels associated with the target switch identifier.

[0079] The camera management module performs network debugging, preset position acceptance, and program management for power transmission and transformation cameras (including cameras inside substations and cameras on power transmission channels outside substations).

[0080] The drone management module performs 3D real-scene modeling of the substation, as well as flight path planning, flight path splitting, management, and risk point verification for drones. Specifically, drone flight paths are planned manually within the 3D real-scene model of the substation; flight path splitting involves executing a portion of the inspection points along a flight path; and risk point verification automatically calculates the shortest distance between the flight path and obstacles in the 3D real-scene model to determine the safety of the inspection.

[0081] The robot management module performs two-dimensional radar modeling of the substation's interior and exterior (including outdoor high-voltage areas and indoor equipment rooms), and plans, connects, and manages the inspection points for indoor and outdoor robots. The inspection points for indoor and outdoor robots are located by manual remote control of the robots and marked as points in the two-dimensional radar model. It also supports manually connecting inspection points to form inspection paths.

[0082] Based on the above embodiments, in some embodiments, the trip analysis system is also used to: acquire video data of the target substation within a second preset duration corresponding to the timestamp; and generate a fault trip report of the switch based on the video data, inspection data, and system operation data within a first preset duration.

[0083] The second preset duration can be preset according to the fault type to ensure coverage of critical event data. It should be noted that this application does not impose a specific limit on the second preset duration, as long as it ensures that critical event data can be covered within this duration.

[0084] For example, in response to receiving the timestamp and target switch identifier sent by the trip judgment system 12, the trip analysis system 13 searches for the target substation corresponding to the target switch identifier in the mapping relationship between switch identifiers and substations, using the target switch identifier as an index. The trip analysis system 13 then obtains video data of the target substation within a second preset time period corresponding to the timestamp from the intelligent inspection system 14. For example, it obtains visible light video recordings of one minute before and after the tripping event inside and outside the target substation to assist in fault analysis of power equipment tripping.

[0085] The system cleans, standardizes, integrates, and extracts key features from the obtained video data, inspection data, and system operation data within the first preset time period. Based on the report template, it automatically generates fault trip reports.

[0086] In this embodiment, video data collection provides a reliable basis for fault tracing. Fault tripping data is collected based on various types of intelligent inspection equipment (such as cameras, drones, and indoor and outdoor robots), and multimodal information fusion is performed with system operation data. Compared with a single data dimension, the comprehensiveness and accuracy of fault analysis are improved, providing accurate and reliable reference data for judging the cause of fault tripping, speeding up fault handling time, and thus improving power grid reliability.

[0087] In some embodiments, the operation and maintenance records include substation equipment maintenance information, substation equipment operating status planned adjustment information, and power grid operation mode planned adjustment information.

[0088] See below Figure 2 As shown, the power equipment fault trip monitoring system also includes an operation and maintenance pool system 15, which is used to record and update power equipment maintenance information, power equipment operating status, planned adjustment information of power equipment operating status, and planned adjustment information of power grid operation mode; correspondingly, the equipment trip judgment system 12 is also used to obtain the operation and maintenance records of the power equipment from the operation and maintenance pool system 15.

[0089] For example, the operation and maintenance pool system 15 includes an operation pool module and a maintenance pool module. The operation pool module records the operating status of all substation equipment in the power grid system that is already in formal operation. The operating status of the substation equipment can include cold standby, hot standby, maintenance, and operation. Each equipment bay records the name, number, and status of the switch and the disconnectors on both sides, and these records are linked together. Initially, the equipment information (including substation equipment) and operating status of each equipment bay in the power grid system are manually compiled in the operation pool module. Subsequently, the equipment information (including substation equipment) and operating status of the equipment bays can be automatically updated. For example, the operation and maintenance pool system 15 interfaces with the power grid management platform and can automatically update the equipment information (including substation equipment) and operating status of the equipment bays based on the switching operation plan information and the daily dispatch operation ticket information in the power grid management platform. When carrying out planned adjustments to the operating status of substation equipment or the operating mode of the power grid, circuit breaker trips may occur due to improper parameter settings, equipment not adapting to the new status, protection settings not being updated in a timely manner, or incorrect operation sequence. Therefore, the operation pool module also records and updates the planned adjustment information of the operating status of substation equipment and the planned adjustment information of the operating mode of the power grid to avoid misjudging trips caused by planned adjustments to the operating status of substation equipment or the operating mode of the power grid as fault trips.

[0090] The maintenance pool module records and updates maintenance information for substation equipment within the power grid system. For example, maintenance work orders are packaged and obtained from the power grid management platform via a firewall. Maintenance work orders are then used to record or update the substation equipment maintenance information. Each maintenance work order contains information such as the name, number, and status of the equipment under maintenance. Automated fuzzy retrieval is then used to find information about the name, number, and status of the equipment under maintenance (e.g., switches, disconnectors, equipment bays, substation equipment), as well as the status of the maintenance work order (whether it has been completed).

[0091] In this embodiment, by recording the operation and maintenance records of the substation equipment in the operation and maintenance pool system, the equipment tripping judgment system can refer to the operation and maintenance records recorded in the operation and maintenance pool system when judging the tripping type (fault tripping or non-fault tripping). This can shield false alarms and change information caused by human operation and maintenance, reduce the false judgment rate of fault tripping, provide a basis for generating accurate fault tripping reports in the future, and thus improve the efficiency of operation and maintenance work and user experience.

[0092] In some embodiments, the trip analysis system is also used to output a fault trip report via voice call or SMS to remind relevant personnel to handle the fault.

[0093] For example, after a fault trip report is generated, it is pushed to the relevant equipment personnel via AI voice call, intranet SMS, or email, reminding them to log in to the power equipment fault trip monitoring system to view and confirm the specific alarm and handle the fault in a timely manner.

[0094] Optionally, the trip analysis system supports the storage, query, and playback of historical alarms.

[0095] In this embodiment of the application, a fault trip report is sent to relevant personnel via voice call or SMS, enabling them to promptly understand the fault trip event and handle the fault, thereby improving the speed of fault handling and enhancing the user experience.

[0096] In some embodiments, the data acquisition system includes: a data acquisition module for acquiring real-time monitoring data of the power grid; and when the real-time monitoring data is detected to contain alarm information and change information, sending alarm information and change information to the equipment tripping judgment system; a weather data acquisition module for acquiring weather information and lightning strike location information for each key area of ​​concern; and an operation and maintenance data acquisition module for acquiring work tickets carried out in the station on the same day, operation tickets for switching operations on the same day, historical defect information, inspection and maintenance records, N-1 power grid risk and basic information data related to the tripped equipment.

[0097] For example, real-time monitoring data includes equipment status potential information, load data, current, voltage, protection information, interval light sign information, intelligent waveform recording data, etc., which can be obtained from the power grid dispatch data center. The key focus area can be considered as the area where all substations are located and the power grid equipment and facilities area along the external transmission corridor, i.e., the main transmission and transformation network of the power grid. The weather data acquisition module can obtain weather information and lightning strike location information from the local meteorological bureau or the power grid meteorological service system. The operation and maintenance data acquisition module can obtain work tickets related to tripped equipment carried out within the station that day, operation tickets for switching operations that day, historical defect information, inspection and maintenance records, N-1 power grid risk, and basic information data from modules such as work ticket management, operation ticket management, defect management, maintenance and repair management, power grid risk management, and equipment ledger management on the power grid management platform.

[0098] Figure 2 A schematic diagram of the structure of the power equipment fault tripping monitoring system provided in the embodiments of this application. Figure 2 .like Figure 2 As shown, based on the above embodiments, the substation equipment fault trip monitoring system provided in this embodiment includes: a data acquisition system 11, a trip judgment system 12, a trip analysis system 13, an intelligent inspection system 14, and an operation and maintenance pool system 15. Wherein:

[0099] The data acquisition system 11 includes an operational data acquisition module, a weather data acquisition module, and an operation and maintenance data acquisition module. It acquires system operational data of the power grid system through these modules. When real-time monitoring data contains alarm information and change information, the operational data acquisition module sends the alarm information and change information to the equipment tripping judgment system 12. The alarm information includes a timestamp.

[0100] The trip judgment system 12 is used to respond to alarm information and change information sent by the data acquisition system 11, obtain the operation and maintenance records of the substation equipment from the operation and maintenance pool system 15, determine whether there is an operation and maintenance record with a corresponding timestamp, and if not, determine that the switch has tripped due to fault, and send the timestamp and the target switch identifier of the switch to the trip analysis system 13.

[0101] The trip analysis system 13, in response to receiving a timestamp and the target switch identifier from the trip judgment system 12, obtains video data of the target substation within a second preset time period corresponding to the timestamp from the intelligent inspection system 14. It then sends an inspection command for the switch to the intelligent inspection system 14 to obtain inspection data; the inspection command carries the target switch identifier. Based on the video data, inspection data, and system operation data within a first preset time period, it generates a fault trip report for the switch. The fault trip report is output via voice call or SMS to remind relevant personnel to handle the fault.

[0102] The intelligent inspection system 14 includes an equipment ledger management module, a camera management module, a drone management module, and a robot management module. The intelligent inspection system 14 is used to respond to the inspection instructions issued by the trip analysis system 13. Based on the mapping relationship between switch identifiers, inspection points, and equipment intervals, it controls the intelligent inspection equipment at the inspection point corresponding to the target switch identifier to inspect the equipment interval corresponding to the switch and obtain inspection data.

[0103] The operation and maintenance pool system 15 is used to record and update substation equipment maintenance information, substation equipment operating status, planned adjustment information for substation equipment operating status, and planned adjustment information for power grid operation mode. The operation and maintenance pool system 15 includes an operation pool module and a maintenance pool module.

[0104] The above embodiments illustrate the power equipment fault trip monitoring system. Next, this application embodiment also provides a power equipment fault trip monitoring method.

[0105] Figure 3 A flowchart illustrating the substation fault tripping monitoring method provided in this application embodiment. Figure 1 .like Figure 3As shown, the power equipment fault tripping monitoring method provided in this embodiment is applied to a power equipment fault tripping monitoring system. The power equipment fault tripping monitoring method includes:

[0106] S301, The data acquisition system acquires the system operation data of the power grid system; when it detects that the system operation data contains alarm information of the target substation and change information of the switch in the target substation, it sends alarm information and change information to the trip judgment system. The alarm information includes a timestamp.

[0107] S302. The tripping judgment system determines whether there is a corresponding timestamp of operation and maintenance record. The operation and maintenance record includes the operation and maintenance record of the switch and / or the operation and maintenance record of the substation equipment associated with the switch. If it does not exist, it determines that the switch has tripped due to a fault and sends the timestamp and the target switch identifier of the switch to the tripping analysis system.

[0108] It should be noted that if there is a maintenance record with a corresponding timestamp, it is determined that the switch has tripped due to a non-fault, and then step S301 is executed.

[0109] S303. The tripping analysis system determines the system operation data of the target substation within the first preset time period corresponding to the timestamp based on the target switch identifier, and generates a fault tripping report for the switch.

[0110] The specific implementation of the embodiments in this application is similar to that of the power equipment fault trip monitoring system, and will not be described in detail here.

[0111] This application embodiment automatically detects alarms and switch position changes by real-time monitoring of system operation data, and integrates multi-source data such as alarm information, switch position changes, and maintenance records in a timely manner to perform correlation judgment on tripping events, eliminate human operation interference, and reduce the false judgment rate of fault tripping. In addition, the entire process is automated, which improves the timeliness of data collection, shortens the fault investigation time, and performs in-depth analysis only on fault tripping events without maintenance records to generate fault tripping reports, reducing redundant data processing, thereby improving fault investigation efficiency, increasing the response speed of fault handling, reducing load loss and power outage time after a fault occurs, and ensuring the safe and stable operation of the power grid.

[0112] Figure 4 A flowchart illustrating the substation fault tripping monitoring method provided in this application embodiment. Figure 2 .like Figure 4 As shown, the substation fault tripping monitoring method provided in this embodiment includes the following steps:

[0113] S401, The operation data acquisition module acquires real-time monitoring data of the power grid system.

[0114] Real-time monitoring data includes equipment status potential information, load data, current, voltage, protection information, interval light sign information, intelligent waveform recording data, etc., which can be obtained from the power grid dispatch data center.

[0115] S402. The running data acquisition module detects whether the real-time monitoring data simultaneously includes alarm information and displacement information.

[0116] If alarm information and change information are detected in the real-time monitoring data, execute S403; if not detected, it means that no substation has tripped, and continue to execute S402.

[0117] S403, the operation data acquisition module sends alarm information and change information to the equipment trip judgment system, and the equipment trip judgment system obtains the operation and maintenance records of the substation equipment from the operation and maintenance pool system.

[0118] The operation and maintenance records include information on substation equipment maintenance, information on planned adjustments to the operating status of substation equipment, and information on planned adjustments to the power grid operation mode.

[0119] S404. The equipment tripping judgment system determines whether there is a maintenance record with a corresponding timestamp.

[0120] Based on the timestamp and switch identifier in the alarm message, search the maintenance records to determine whether there are maintenance records for the switch identifier and / or the associated substation equipment within a certain time range before or after the timestamp.

[0121] If it exists, determine that the switch has tripped without fault and continue to execute S402; if it does not exist, determine that the switch has tripped without fault and execute S405.

[0122] S405. The equipment trip judgment system sends a timestamp and the target switch identifier of the switch to the trip analysis system.

[0123] S406. The tripping analysis system obtains the system operation data of the target substation within the first preset time period corresponding to the timestamp from the data acquisition system.

[0124] The trip analysis system obtains the system operation data of the target substation corresponding to the target switch identifier from the data acquisition system within the first preset time period corresponding to the timestamp, such as the system operation data from 5 minutes before the trip event to 5 minutes after the event.

[0125] S407, the trip analysis system sends inspection instructions for the switch to the intelligent inspection system to obtain inspection data and video data of the target substation within the second preset time period corresponding to the timestamp.

[0126] The inspection instructions must include at least the target switch identifier, and may also include information such as inspection duration, inspection range, and priority.

[0127] The trip analysis system receives a timestamp and the target switch identifier from the trip judgment system. Using the target switch identifier as an index, it searches for the corresponding target substation in the mapping relationship between switch identifiers and substations. Then, in the intelligent inspection system, it acquires video data of the target substation within a second preset time period corresponding to the timestamp. For example, it acquires visible light video recordings of one minute before and after a tripping event inside and outside the target substation to assist in fault analysis of power equipment tripping.

[0128] S408 The intelligent inspection system responds to inspection commands and, based on the mapping relationship between switch identifiers, inspection points, and equipment intervals, controls the intelligent inspection equipment at the inspection point corresponding to the target switch identifier to inspect the equipment interval corresponding to the switch and obtain inspection data.

[0129] When a patrol instruction is received, the system will assign the intelligent patrol device corresponding to the patrol point of the switch to work. The intelligent patrol device will patrol the equipment intervals corresponding to the switch (e.g., temperature measurement, inspection) and return the patrol data such as visible light and infrared photos to the intelligent patrol system.

[0130] S409. The tripping analysis system generates a fault tripping report for the switch based on video data, inspection data, and system operation data within a first preset time period, and reminds relevant personnel to handle the fault via voice call or SMS.

[0131] The acquired video data, inspection data, and system operation data within a first preset time period are cleaned, standardized, correlated and integrated, and key feature extraction and analysis are performed. Based on the report template, a fault trip report is automatically generated. The report is then pushed to the relevant equipment personnel via AI voice calls, intranet SMS, and email, reminding them to log in to the substation equipment fault trip monitoring system to view and confirm the specific alarm and handle the fault in a timely manner.

[0132] In summary, this application has at least the following advantages:

[0133] First, by monitoring system operation data in real time, the system automatically detects alarms and switch position changes, and promptly integrates multi-source data, such as alarm information, switch position changes, and maintenance records, to perform correlation judgments on tripping events, eliminating human interference and reducing the false alarm rate of fault tripping. Furthermore, the entire process is automated, improving data collection timeliness and shortening fault investigation time. In-depth analysis is performed only on fault tripping events without maintenance records, generating fault tripping reports and reducing redundant data processing. This improves fault investigation efficiency, enhances fault handling response speed, reduces load loss and power outage time after a fault occurs, and ensures the safe and stable operation of the power grid.

[0134] Second, after a fault trip occurs, the intelligent inspection system responds quickly to the inspection command, assigns intelligent inspection equipment to inspect the designated equipment intervals, and quickly obtains inspection data. Compared with manual inspection, this improves data collection efficiency and saves labor costs.

[0135] Third, by collecting fault tripping data using various types of intelligent inspection equipment (such as cameras, drones, and indoor / outdoor robots) and fusing it with system operation data in a multimodal manner, comprehensive monitoring of substation equipment before and after fault tripping can be achieved, avoiding blind spots in fault data collection. Compared to a single data dimension, this improves the comprehensiveness and accuracy of fault analysis, provides more complete and accurate fault tripping reports, offers precise and reliable reference data for determining the cause of fault tripping, accelerates fault handling, improves fault handling efficiency, and thus enhances power grid reliability.

[0136] Fourth, by recording the operation and maintenance records of substation equipment in the operation and maintenance pool system, the equipment tripping judgment system can refer to the operation and maintenance records recorded in the operation and maintenance pool system when judging the tripping type (fault tripping or non-fault tripping). This can help to shield false alarms and change information caused by human operation and maintenance, reduce the false judgment rate of fault tripping, provide a basis for generating accurate fault tripping reports in the future, and thus improve the efficiency of operation and maintenance work and user experience.

[0137] 5. Send fault trip reports to relevant personnel via voice calls or text messages so that they can be informed of the fault trip event in a timely manner and handle the fault, thereby improving the speed of fault handling and enhancing the user experience.

[0138] This application also provides a computer program product, including a computer program that, when executed by a processor, implements the above-described method.

[0139] This application also provides a computer-readable storage medium storing computer-executable instructions, which, when executed by a processor, implement the above-described method.

[0140] The aforementioned readable storage medium can be implemented by any type of volatile or non-volatile storage device or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic storage, flash memory, magnetic disk, or optical disk. The readable storage medium can be any available medium accessible to a general-purpose or special-purpose computer.

[0141] An exemplary readable storage medium is coupled to a processor, enabling the processor to read information from and write information to the readable storage medium. Of course, the readable storage medium can also be a component of the processor. The processor and the readable storage medium can reside in an Application Specific Integrated Circuit (ASIC). Alternatively, the processor and the readable storage medium can exist as discrete components in the device.

[0142] The division of units is merely a logical functional division; in actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the coupling or direct coupling or communication connection shown or discussed may be indirect coupling or communication connection through some interfaces, devices, or units, and may be electrical, mechanical, or other forms.

[0143] The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the units can be selected to achieve the purpose of this embodiment according to actual needs.

[0144] In addition, the functional units in the various embodiments of the present invention can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit.

[0145] If a function is implemented as a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of this invention, or the part that contributes to the prior art, or a part of the technical solution, can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute all or part of the steps of the methods of the various embodiments of this invention. The aforementioned storage medium includes various media capable of storing program code, such as USB flash drives, portable hard drives, read-only memory (ROM), random access memory (RAM), magnetic disks, or optical disks.

[0146] Those skilled in the art will understand that all or part of the steps of the above-described method embodiments can be implemented by hardware related to program instructions. The aforementioned program can be stored in a computer-readable storage medium. When executed, the program performs the steps of the above-described method embodiments; and the aforementioned storage medium includes various media capable of storing program code, such as ROM, RAM, magnetic disks, or optical disks.

[0147] Finally, it should be noted that other embodiments of the invention will readily occur to those skilled in the art upon consideration of the specification and practice of the invention disclosed herein. This invention is intended to cover any variations, uses, or adaptations of the invention that follow the general principles of the invention and include common knowledge or customary techniques in the art not disclosed herein, and is not limited to the precise structures described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. The scope of the invention is limited only by the appended claims.

Claims

1. A fault trip monitoring system for power equipment, characterized in that, include: The data acquisition system is used to acquire system operation data of the power grid system. And when the system operation data is detected to contain alarm information of the target substation and change information of the switch in the target substation, the alarm information and the change information are sent to the trip judgment system, and the alarm information contains a timestamp; The tripping judgment system is used to determine whether there is an operation and maintenance record corresponding to the timestamp. The operation and maintenance record includes the operation and maintenance record of the switch, the operation and maintenance record of the substation equipment associated with the switch, the substation equipment maintenance information, the substation equipment operation status planned adjustment information, and the power grid operation mode planned adjustment information. The operation and maintenance record can be obtained from the operation and maintenance pool system. If it does not exist, it is determined that the switch has tripped due to a fault, and the timestamp and the target switch identifier of the switch are sent to the tripping analysis system. The trip analysis system is used to send an inspection command for the switch to the intelligent inspection system in order to obtain inspection data. The inspection command carries the identifier of the target switch. Based on the target switch identifier, determine the system operation data of the target substation within the first preset time period corresponding to the timestamp, and generate a fault trip report of the switch based on the inspection data and the system operation data within the first preset time period; The intelligent inspection system is used to respond to the inspection command, and based on the mapping relationship between switch identifiers, inspection points and equipment intervals, control the intelligent inspection device at the inspection point corresponding to the target switch identifier to inspect the equipment interval corresponding to the switch and obtain the inspection data. The operation and maintenance pool system is used to record and update the maintenance information of the substation equipment, the operating status of the substation equipment, the planned adjustment information of the operating status of the substation equipment, and the planned adjustment information of the power grid operation mode. The operation and maintenance pool system includes an operation pool module and a maintenance pool module. The operation pool module is used to update the equipment information and operation status of the equipment bay according to the switching operation plan information and the daily dispatch operation ticket information in the power grid management platform. The operation pool module records the operation status of all substation equipment that has been put into formal operation in the power grid system, and records the name, number and status of the switch and the disconnectors on both sides of each equipment bay. The operation status may include cold standby, hot standby, maintenance and operation. The maintenance pool module records and updates information on the maintenance of substation equipment within the power grid system.

2. The power equipment fault trip monitoring system according to claim 1, characterized in that, The trip analysis system is specifically used for: Based on the mapping relationship between switch identifiers and substations, the target substation is determined according to the target switch identifier; Obtain the system operation data of the target substation within the first preset time period corresponding to the timestamp; Based on the target switch identifier, obtain the inspection data for the switch.

3. The power equipment fault trip monitoring system according to claim 1, characterized in that, The intelligent inspection system includes: The equipment ledger management module is used to establish the mapping relationship between power equipment, switches and equipment bays, the mapping relationship between outgoing line bays and external transmission towers of substations, and the mapping relationship between the inspection points of intelligent inspection equipment and equipment ledger information. The camera management module is used for network debugging, preset position acceptance, and program management of power transmission and transformation cameras. The drone management module is used to perform 3D real-scene modeling of substations, as well as flight path planning, flight path splitting, management, and risk point verification for drones. The robot management module is used to perform two-dimensional radar modeling of the inside and outside of the substation, as well as to plan, connect and manage the inspection points of indoor and outdoor robots.

4. The substation equipment fault trip monitoring system according to any one of claims 1 to 3, characterized in that, The trip analysis system is also used for: Acquire video data of the target substation within the second preset duration corresponding to the timestamp; A fault trip report for the switch is generated based on the video data, the inspection data, and the system operation data within the first preset time period.

5. The substation equipment fault trip monitoring system according to any one of claims 1 to 3, characterized in that, The trip analysis system is also used to output the fault trip report via voice call or SMS to remind relevant personnel to handle the fault.

6. The substation equipment fault trip monitoring system according to any one of claims 1 to 3, characterized in that, The data acquisition system includes: The system operates a data acquisition module to acquire real-time monitoring data of the power grid; and when it detects that the real-time monitoring data contains the alarm information and the change information, it sends the alarm information and the change information to the trip judgment system. The weather data acquisition module is used to acquire weather information and lightning strike location information for key areas of concern. The operation and maintenance data acquisition module is used to acquire work tickets carried out within the station that day related to the tripped equipment, operation tickets for switching operations that day, historical defect information, and inspection and maintenance records. Power grid risk and basic information data.

7. A method for monitoring fault tripping in power equipment, characterized in that, The substation equipment fault tripping monitoring system, as described in any one of claims 1 to 6, comprises the following methods: The data acquisition system acquires system operation data of the power grid system; and when it detects that the system operation data contains alarm information of the target substation and change information of the switch in the target substation, it sends the alarm information and the change information to the trip judgment system, wherein the alarm information contains a timestamp; The tripping determination system determines whether there is an operation and maintenance record corresponding to the timestamp. The operation and maintenance record includes the operation and maintenance record of the switch and / or the operation and maintenance record of the substation equipment associated with the switch. If there is no record, it determines that the switch has tripped due to a fault and sends the timestamp and the target switch identifier of the switch to the tripping analysis system. The tripping analysis system determines the system operation data of the target substation within the first preset time period corresponding to the timestamp based on the target switch identifier, and generates a fault tripping report for the switch.

8. A computer-readable storage medium, characterized in that, The computer-readable storage medium stores computer-executable instructions, which, when executed, are used to implement the method as described in claim 7.

9. A computer program product, characterized in that, It includes a computer program that, when executed, implements the method of claim 7.

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