Method and device for determining equipment state based on power grid alarm signal, electronic equipment and storage medium

Abstract

The invention discloses an equipment state determination method and device based on a power grid alarm signal, electronic equipment and a storage medium, and belongs to the technical field of intelligent power grids, and the method comprises the steps: obtaining an original power grid alarm signal and operation order information; according to the operation order information, determining whether the original power grid alarm signal is an operation signal; when the original power grid alarm signal is not the operation signal, taking the original power grid alarm signal as a target alarm signal and determining the duration; judging whether the duration exceeds an abnormal duration interval threshold or not, and if yes, judging that the target alarm signal is an abnormal signal; according to the device identifier in the abnormal signal, identifying the target device, obtaining the operation data of the target device, and according to the target operation data, determining whether the target device is abnormal in the duration of the abnormal signal; if yes, judging that the target equipment is abnormal. By implementing the method, the problem that the state of the power grid equipment is not accurately determined in the prior art can be solved.

Description

Technical Field

[0001] This invention relates to the field of smart grid technology, and specifically to a method, apparatus, electronic device, and storage medium for determining the status of equipment based on grid alarm signals. Background Technology

[0002] Accurately and quickly determining the actual operating status of power grid equipment based on power grid alarm signals is crucial for timely detection and handling of potential faults, ensuring power supply reliability, and assisting in dispatching decisions. The massive amount of power grid alarm signals serves as a direct window into the operating status of power grid equipment. How to accurately extract key information representing the true state of power grid equipment from this complex array of alarm data is a core issue of ongoing concern in the field of power system automation.

[0003] However, current alarm signal processing often requires handling all reported raw alarm information. This massive stream of raw alarm information not only contains signals indicating actual faults or emergencies, but also frequently mixes in a large number of anticipated signals generated by pre-arranged dispatch instructions or routine maintenance operations—i.e., operational signals—as well as numerous short-duration, self-recovering transient disturbances or brief fluctuations. Existing processing methods are often insufficient in effectively identifying and selectively filtering power grid alarm signals. This leads to these signals being indiscriminately included in subsequent analysis and judgment processes along with critical signals indicating persistent faults or stable abnormal states. This approach results in biased assessments of the actual operating status of power grid equipment, reducing the accuracy of determining its true operating condition. Summary of the Invention

[0004] This invention provides a method, apparatus, electronic device, and storage medium for determining the status of equipment based on power grid alarm signals, which can solve the problem that the determination of the status of power grid equipment in the prior art is not accurate enough.

[0005] One embodiment of the present invention provides a method for determining the status of equipment based on power grid alarm signals, comprising: Acquire the original power grid alarm signal to be processed, as well as the operation ticket information corresponding to the start time of the original alarm signal; Based on the operation ticket information, determine whether the original power grid alarm signal is an operation signal caused by an operation command; When the original power grid alarm signal is not an operation signal caused by an operation command, the original power grid alarm signal shall be used as the target power grid alarm signal; Based on the start and end times of the target power grid alarm signal, determine the duration range and duration of the target power grid alarm signal; Determine whether the duration of the target power grid alarm signal exceeds a preset abnormal duration interval threshold. If so, determine that the target power grid alarm signal is an abnormal signal; otherwise, determine that the target power grid alarm signal is not an abnormal signal. When the target power grid alarm signal is an abnormal signal, the target device is identified according to the device identifier in the abnormal signal, and the operating data of the target device during the duration of the abnormal signal is obtained and recorded as the target operating data; Based on the target operating data, determine whether the target device experienced an anomaly during the duration of the abnormal signal; if so, determine that the target device is abnormal; if not, determine that the abnormal signal is incorrect.

[0006] Furthermore, the operation ticket information includes: the planned operation equipment identifier, the planned execution time period of the operation task, and the change value of the planned operation equipment parameters; the original power grid alarm signal includes: the equipment identifier, the start time, and the change value of the equipment status; Based on the operation ticket information, determining whether the original power grid alarm signal is an operation signal caused by an operation command includes: Determine whether the device identifier matches the planned operation device identifier in the operation ticket information. If they match, determine that the device identifier of the original power grid alarm signal is successfully matched. Determine whether the start time is within the planned execution time period of the operation task in the operation ticket information. If it is, then the start time of the original power grid alarm signal is determined to be successfully matched. Determine whether the device status change value is consistent with the planned operation device parameter change value in the operation ticket information. If they are consistent, it is determined that the device status change value of the original power grid alarm signal is successfully matched. If the device identifier, start time, and device status change value of the original power grid alarm signal are successfully matched, the original power grid alarm signal is determined to be an operation signal caused by an operation command.

[0007] Furthermore, based on the target operating data, determining whether the target device experienced an anomaly during the duration of the abnormal signal includes: Based on the timing information of the switch status in the target operating data, calculate and generate the switch change value of the target device; Based on the change value of the switch quantity of the target device and the preset threshold value of the switch quantity change range, determine whether the target device has tripped during the duration of the abnormal signal. Based on the electrical parameter timing information in the target operating data and the corresponding preset electrical parameter limits, it is determined whether the target device exhibits any over-limit behavior during the duration of the abnormal signal; wherein, the electrical parameter timing information includes current timing information, voltage timing information, and power timing information; If the target device exhibits tripping or over-limit behavior, it is determined that the target device experienced an anomaly during the duration of the abnormal signal.

[0008] Furthermore, the method for determining the device status based on power grid alarm signals also includes: If the target device is determined to be abnormal, the location of the target device will be displayed in the first display area of ​​the preset multi-dimensional visualization interface; The start and end times of the abnormal signal corresponding to the target device are displayed in the second display area of ​​the multi-dimensional visualization interface. The time-series curves of each electrical parameter in the target operating data corresponding to the target device are displayed in the third display area of ​​the multi-dimensional visualization interface; wherein the first display area, the second display area, and the third display area are independently laid out on the multi-dimensional visualization interface.

[0009] Based on the above method embodiments, the present invention provides corresponding apparatus embodiments.

[0010] An embodiment of the present invention provides a device for determining the status of equipment based on power grid alarm signals, comprising: a data acquisition module, a target power grid alarm signal determination module, an abnormal signal determination module, a target operating data determination module, and a target equipment status determination module; The data acquisition module is used to acquire the original power grid alarm signal to be processed, as well as the operation ticket information corresponding to the start time of the original alarm signal; The target power grid alarm signal determination module is used to determine whether the original power grid alarm signal is an operation signal caused by an operation command based on the operation ticket information; when the original power grid alarm signal is not an operation signal caused by an operation command, the original power grid alarm signal is used as the target power grid alarm signal. The abnormal signal determination module is used to determine the duration range and duration of the target power grid alarm signal based on the start time and end time of the target power grid alarm signal; determine whether the duration of the target power grid alarm signal exceeds a preset abnormal duration interval threshold; if so, determine that the target power grid alarm signal is an abnormal signal; otherwise, determine that the target power grid alarm signal is not an abnormal signal. The target operating data determination module is used to identify the target device based on the device identifier in the abnormal signal when the target power grid alarm signal is an abnormal signal, and to obtain the operating data of the target device during the duration of the abnormal signal, which is recorded as the target operating data. The target device status determination module is used to determine, based on the target operating data, whether the target device has experienced an anomaly during the duration of the abnormal signal. If so, the target device is determined to be abnormal; otherwise, the abnormal signal is determined to be erroneous.

[0011] Furthermore, the target power grid alarm signal determination module determines, based on the operation ticket information, whether the original power grid alarm signal is an operation signal caused by an operation command, including: Determine whether the device identifier matches the planned operation device identifier in the operation ticket information. If they match, determine that the device identifier of the original power grid alarm signal is successfully matched. Determine whether the start time is within the planned execution time period of the operation task in the operation ticket information. If it is, then the start time of the original power grid alarm signal is determined to be successfully matched. Determine whether the device status change value is consistent with the planned operation device parameter change value in the operation ticket information. If they are consistent, it is determined that the device status change value of the original power grid alarm signal is successfully matched. If the device identifier, start time, and device status change value of the original power grid alarm signal are successfully matched, the original power grid alarm signal is determined to be an operation signal caused by an operation command.

[0012] Furthermore, the target device status determination module, based on the target operating data, determines whether the target device has experienced an anomaly during the duration of the abnormal signal, including: Based on the timing information of the switch status in the target operating data, calculate and generate the switch change value of the target device; Based on the change value of the switch quantity of the target device and the preset threshold value of the switch quantity change range, determine whether the target device has tripped during the duration of the abnormal signal. Based on the electrical parameter timing information in the target operating data and the corresponding preset electrical parameter limits, it is determined whether the target device exhibits any over-limit behavior during the duration of the abnormal signal; wherein, the electrical parameter timing information includes current timing information, voltage timing information, and power timing information; If the target device exhibits tripping or over-limit behavior, it is determined that the target device experienced an anomaly during the duration of the abnormal signal.

[0013] Furthermore, the device for determining the device status based on power grid alarm signals also includes: a visualization module; The visualization module is used to display the location of the target device in the first display area of ​​a preset multi-dimensional visualization interface when the target device is determined to be abnormal. The start and end times of the abnormal signal corresponding to the target device are displayed in the second display area of ​​the multi-dimensional visualization interface. The time-series curves of each electrical parameter in the target operating data corresponding to the target device are displayed in the third display area of ​​the multi-dimensional visualization interface; wherein the first display area, the second display area, and the third display area are independently laid out on the multi-dimensional visualization interface.

[0014] Based on the above method embodiments, the present invention provides corresponding electronic device embodiments.

[0015] An embodiment of the present invention provides an electronic device, including a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor. When the processor executes the computer program, it implements the method for determining the device status based on a power grid alarm signal as described in any of the above-described method embodiments.

[0016] Based on the above method embodiments, the present invention provides corresponding storage medium embodiments.

[0017] One embodiment of the present invention provides a storage medium storing a computer program thereon, wherein, when the computer program is running, it controls the device where the storage medium is located to execute any of the above-described method embodiments of the method for determining the device status based on a power grid alarm signal.

[0018] Compared with the prior art, the present invention has the following beneficial effects: This invention provides a method, apparatus, electronic device, and storage medium for determining device status based on power grid alarm signals. The method acquires the original power grid alarm signal and combines it with operation ticket information at the time of alarm occurrence to identify and exclude operation signals caused by normal operation commands, thereby filtering out target power grid alarm signals requiring further analysis. Based on whether the duration of these target power grid alarm signals exceeds a preset abnormal duration threshold, it is determined whether they constitute a persistent abnormal signal, thus filtering out instantaneous or short-lived disturbances. For cases confirmed as abnormal signals, the specific target device is located based on the device identifier in the signal. The actual operating data of the device during the duration of the abnormal signal is retrieved, and this operating data is analyzed to determine whether the target device has actually experienced an abnormality. If the operating data cannot confirm that the device is abnormal, the initial abnormal signal is determined to be erroneous. This invention effectively filters out non-persistent alarm signals by excluding target power grid alarm signals caused by human intervention and further filters alarm signals by using a duration threshold. This allows the analysis to focus on persistent alarm signals that are more likely to indicate real faults or stability anomalies, thus significantly improving the accuracy of power grid equipment status determination. Attached Figure Description

[0019] Figure 1 This is a flowchart illustrating a method for determining the status of equipment based on power grid alarm signals, provided in an embodiment of the present invention.

[0020] Figure 2 This is a schematic diagram of a device for determining the status of equipment based on power grid alarm signals, provided in an embodiment of the present invention. Detailed Implementation

[0021] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0022] like Figure 1 As shown, to address the problem of inaccurate determination of power grid equipment status in existing technologies, an embodiment of the present invention provides a method for determining equipment status based on power grid alarm signals, comprising at least the following steps: Step S1: Obtain the original power grid alarm signal to be processed, and the operation ticket information corresponding to the start time of the original alarm signal; In a preferred embodiment, the raw power grid alarm signals that require further analysis and processing are first acquired from the power system's online monitoring and data acquisition platform, such as, but not limited to, a dispatch automation system (SCADA), energy management system (EMS), or operation control system (OCS). These raw alarm signals directly reflect changes in power grid operating conditions and equipment status parameters. They are typically indexed by timestamps and contain information such as equipment identifier, start time, end time, and equipment status change value. This information constitutes the data starting point for all subsequent judgments and decisions.

[0023] While acquiring each original power grid alarm signal and accurately recording its start time, it is also essential to simultaneously retrieve operation ticket information that directly corresponds to the start time of the alarm signal in the time dimension. Here, "corresponding" means querying the power grid's dispatch operation management system, work ticket management system, or similar production planning and control information system to find and filter all valid operation ticket records whose planned execution start and end times precisely cover the occurrence time of the currently processed original alarm signal, or the specific operation tasks related to this time point contained in these tickets. The retrieved operation ticket information is a direct reflection of pre-planned, manually initiated power grid operations, typically detailing the target equipment identifier of the planned operation, the type of operation or specific instructions to be executed, the expected start and end times of the operation, and the expected changes in equipment parameters that may occur after the operation is completed under normal circumstances.

[0024] By acquiring the original power grid alarm signals and the corresponding operation ticket information in a synchronous and correlated manner, a comprehensive and solid data foundation is laid for the subsequent accurate analysis and processing of signals that truly indicate potential equipment failures or abnormal power grid operation.

[0025] Step S2: Based on the operation ticket information, determine whether the original power grid alarm signal is an operation signal caused by the operation command; In a preferred embodiment, the operation ticket information includes: the planned operation equipment identifier, the planned execution time period of the operation task, and the change value of the planned operation equipment parameters; the original power grid alarm signal includes: the equipment identifier, the start time, and the change value of the equipment status; Based on the operation ticket information, determining whether the original power grid alarm signal is an operation signal caused by an operation command includes: Determine whether the device identifier matches the planned operation device identifier in the operation ticket information. If they match, determine that the device identifier of the original power grid alarm signal is successfully matched. Determine whether the start time is within the planned execution time period of the operation task in the operation ticket information. If it is, then the start time of the original power grid alarm signal is determined to be successfully matched. Determine whether the device status change value is consistent with the planned operation device parameter change value in the operation ticket information. If they are consistent, it is determined that the device status change value of the original power grid alarm signal is successfully matched. If the device identifier, start time, and device status change value of the original power grid alarm signal are successfully matched, the original power grid alarm signal is determined to be an operation signal caused by an operation command.

[0026] In a preferred embodiment, to more accurately identify the operation signal triggered by the predetermined operation instruction, the content and data fields of the acquired operation ticket information and the original power grid alarm signal are defined more specifically. Specifically, the operation ticket information not only records the equipment identifier for the planned operation and the planned execution time interval of the operation task, but also explicitly includes the expected change value or target state value of the equipment parameters associated with the planned operation, which we refer to here as the "planned operation equipment parameter change value". This expected parameter change can be a state transition (e.g., a switch changing from "closed" to "open"), an adjustment of a setpoint (e.g., a protection setting changing from A to B), or a new stable range that a certain analog quantity should reach under the influence of the operation. Correspondingly, in this preferred embodiment, the acquired original power grid alarm signal, in addition to the conventional equipment identifier and event start time, is also understood to directly provide or, through simple analysis, clearly reflect the actual changes or final state of the equipment parameters corresponding to the alarm; this is referred to here as the equipment state change value of the alarm signal.

[0027] Based on the detailed input information defined above, the process of determining whether the original power grid alarm signal is an operation signal is more specific and rigorous. First, the device identifier contained in the alarm signal is compared with the planned operation device identifier recorded in the operation ticket information to confirm whether the alarm occurred on the expected device. Only when the device identifiers are completely identical is the device correspondence condition preliminarily considered met, and the device identifier match is determined to be successful. Next, the start time of the alarm signal is compared with the planned execution time period of the corresponding task in the operation ticket information to ensure that the alarm occurrence time coincides with the planned operation time window. Only when the alarm start time accurately falls within the planned execution time interval of the operation task is the time synchronization condition considered met, and the start time match is determined to be successful. The most crucial and precise step involves accurately comparing the actual changes or resulting states of the equipment parameters reflected in the alarm signal with the pre-set planned changes or target states of the equipment parameters in the operation ticket information. Only when these two parameter changes show substantial consistency or conform to a preset correspondence in type, direction, and amplitude (if applicable) are the expected conditions for the operation result met, and the equipment state change value is determined to be successfully matched. Ultimately, only when the original power grid alarm signal simultaneously meets the verification conditions of successful equipment identifier matching, successful start time matching, and successful matching of the core equipment state change value, is the original power grid alarm signal finally determined to be an expected operation signal caused by a predetermined operation command, thus allowing it to be treated differently in subsequent analysis.

[0028] This refined judgment method, which performs triple matching and verification of device identification, operation time, and changes in core parameters, can significantly improve the reliability and accuracy of identifying and separating real operation signals from massive amounts of original alarms.

[0029] Step S3: When the original power grid alarm signal is not an operation signal caused by an operation command, the original power grid alarm signal is taken as the target power grid alarm signal. Understandably, by clearly distinguishing and "targeting" the original alarm signals through this step, subsequent analysis resources and judgment logic are effectively directed to those non-operational alarms that truly require in-depth investigation. This lays a clear foundation for accurately judging the true state of equipment and the actual operation of the power grid, and significantly improves the pertinence and efficiency of the entire alarm handling process.

[0030] Step S4: Determine the duration and duration of the target power grid alarm signal based on the start and end times of the target power grid alarm signal; It should be noted that for each target power grid alarm signal entering this stage, the implementation process first relies on the accurate time point when the signal is first recorded and confirmed as a non-operational event in the monitoring system. This time point is explicitly defined as the "start time" of the target power grid alarm signal. To determine its complete duration, this method then focuses on the activity status of the target power grid alarm signal. Specifically, it monitors and records the moment when the alarm condition is finally lifted, the signal at the corresponding monitoring point returns to normal, or the alarm event is confirmed as ended by the system or operator. This moment is defined as the "end time" of the target power grid alarm signal. In some implementations, for active alarms that have not actually recovered or terminated when the duration is determined, their "end time" can be temporarily regarded as the current evaluation or analysis time to calculate their duration up to the present.

[0031] Once the "start time" and "end time" (whether the actual end time of the event or the current time used for immediate assessment) of the target power grid alarm signal are defined, this method can accurately determine the "duration period" of the signal. This "duration period" clarifies the complete time interval covered by the alarm from its first occurrence to the end of its impact (or up to the current assessment point). Based on this determined start and end time, the "duration duration" of the target power grid alarm signal can be further obtained through simple time difference calculation (i.e., the end time minus the start time). This "duration duration" is a specific, quantified time length value that objectively reflects the time span experienced by the target power grid alarm signal from its occurrence until its state undergoes a significant change or is assessed.

[0032] Accurately determining and quantifying the duration and specific duration of each target power grid alarm signal provides an essential and objectively reliable quantitative basis for subsequent judgment based on preset time thresholds to determine whether the alarm signal has sufficient persistence characteristics, thereby further identifying whether it constitutes an "abnormal signal" that requires in-depth analysis.

[0033] Step S5: Determine whether the duration of the target power grid alarm signal exceeds a preset abnormal duration interval threshold. If so, determine that the target power grid alarm signal is an abnormal signal; otherwise, determine that the target power grid alarm signal is not an abnormal signal. In an optional embodiment, the duration of each target power grid alarm signal calculated in the previous step is directly quantitatively compared with this preset abnormal duration threshold. If the actual duration of the target power grid alarm signal clearly exceeds this preset threshold (e.g., a preset threshold of 5 minutes, but the alarm lasts for 6 minutes), it indicates that the alarm does not disappear immediately after a brief appearance, but rather has a certain degree of stability or persistence of the problem. In this case, the method formally determines the target power grid alarm signal as an "abnormal signal" and marks or transmits it to a subsequent more in-depth analysis and diagnostic process, such as querying the specific operating data of the equipment during the abnormal signal period to confirm the status. Conversely, if the duration of the target power grid alarm signal fails to reach or exceed this preset threshold (e.g., the alarm only lasts for 30 seconds, while the threshold is 5 minutes), that is, its overall duration is relatively short, the method determines that the specific target power grid alarm signal does not constitute an "abnormal signal" under the current method definition. Typically, signals of insufficient duration may represent events that do not require immediate initiation of complex analysis and handling procedures. They can be recorded by the system, classified and archived, or processed according to other lower priority strategies, thus avoiding the subsequent refined equipment status verification and fault diagnosis steps designed for "abnormal signals" in this method.

[0034] By establishing and applying this abnormal duration interval threshold to rigorously and continuously screen target alarm signals, this method can effectively focus on those signals that are more valuable for analysis and have potential risk indications due to their longer duration from a large number of alarms that have undergone initial filtering. This not only significantly reduces the amount of data that needs to be processed for subsequent in-depth analysis, but also greatly improves the pertinence of the final equipment status judgment and the reliability of the overall assessment.

[0035] Step S6: When the target power grid alarm signal is an abnormal signal, identify the target device according to the device identifier in the abnormal signal, and obtain the operating data of the target device during the duration of the abnormal signal, which is recorded as the target operating data. In an optional embodiment, when the target power grid alarm signal is identified as an abnormal signal, the target device associated with the abnormal signal is determined based on the device identification information carried in the abnormal signal. The target device typically includes main equipment such as circuit breakers, current transformers, and voltage transformers in a substation, and may also include secondary equipment such as line protection devices and monitoring and control units, depending on the source of the alarm signal. After identifying the target device, the operating data of the device during the duration of the abnormal signal is further extracted. This operating data includes parameters such as voltage, current, active power, reactive power, and switch status, reflecting the operating condition of the device during the abnormal period. This data is used as target operating data to provide basic support for subsequent judgment of the cause of the abnormality and location of the device's operating status, thereby improving the targeting and accuracy of abnormal signal processing.

[0036] Step S7: Based on the target operating data, determine whether the target device has experienced an anomaly during the duration of the abnormal signal; if yes, determine that the target device is abnormal; if no, determine that the abnormal signal is incorrect.

[0037] In a preferred embodiment, determining whether the target device experienced an anomaly during the duration of the abnormal signal, based on the target operating data, includes: Based on the timing information of the switch status in the target operating data, calculate and generate the switch change value of the target device; Based on the change value of the switch quantity of the target device and the preset threshold value of the switch quantity change range, determine whether the target device has tripped during the duration of the abnormal signal. Based on the electrical parameter timing information in the target operating data and the corresponding preset electrical parameter limits, it is determined whether the target device exhibits any over-limit behavior during the duration of the abnormal signal; wherein, the electrical parameter timing information includes current timing information, voltage timing information, and power timing information; If the target device exhibits tripping or over-limit behavior, it is determined that the target device experienced an anomaly during the duration of the abnormal signal.

[0038] Specifically, the target operating data is analyzed and processed to extract the timing information of the switching status. Based on the status changes at different times, the switching status change values ​​of the target device are calculated and generated to reflect the device's operational characteristics within that time period. These switching status change values ​​can be used to indicate whether the device has undergone a state switch from closed to open or from open to closed.

[0039] The change value of the switch quantity is compared with the preset threshold of the switch quantity change range in the system. If the change amplitude meets the judgment condition of tripping behavior, it can be determined that the target device has tripped behavior during the period of the abnormal signal.

[0040] Simultaneously, the timing information of electrical parameters is extracted from the target operating data. Based on the time series changes of each parameter and combined with preset electrical parameter limits, it is determined whether the equipment has exceeded the limits within that time period. The timing information of electrical parameters includes, but is not limited to, the time series data of key operating indicators such as current, voltage, and power of the equipment. By comparing with the limits, possible operating anomalies such as overload, undervoltage, and overcurrent can be identified.

[0041] When a tripping event or any out-of-limit behavior of an electrical parameter is detected in the target device, it is determined that the target device has experienced an anomaly during the duration of the abnormal signal. This method combines both operational and running status information, which helps improve the accuracy and reliability of anomaly identification.

[0042] Furthermore, in practical applications, to improve the processing efficiency and response accuracy of power grid anomaly alarm signals, the identified anomaly types can be managed in a hierarchical manner. Specifically, if a tripping behavior is detected in the target equipment in the target operating data, i.e., the equipment status changes abruptly from closed to open, and this status change meets the preset tripping judgment conditions, then this type of anomaly can be marked as a Level 1 signal. Level 1 signals typically indicate that the power grid equipment has experienced a direct operational interruption, with obvious operational results and a high priority for emergency handling, requiring immediate alerts to dispatch personnel for manual verification and emergency response.

[0043] If no tripping behavior is detected in the target operating data, but key electrical parameters such as current, voltage, or power exceed normal operating limits, and the duration of this exceedance reaches the warning threshold, then this anomaly can be marked as a Level 2 signal. A Level 2 signal generally indicates that the equipment is in an abnormal but not yet disconnected from the grid operating state, which may lead to potential risks such as equipment overload and overheating, performance degradation, or relay protection malfunction. Further assessment of its impact on system stability is required, taking into account the grid topology and operating context, and dispatch reminders or notifications to relevant operation and maintenance units should be issued as appropriate.

[0044] The above-mentioned hierarchical approach helps the system classify and respond to different types of equipment anomalies, enabling layered processing and refined management, and improving the accuracy of anomaly alarms and the timeliness of processing.

[0045] In a preferred embodiment, the method for determining the device status based on power grid alarm signals further includes: If the target device is determined to be abnormal, the location of the target device will be displayed in the first display area of ​​the preset multi-dimensional visualization interface; The start and end times of the abnormal signal corresponding to the target device are displayed in the second display area of ​​the multi-dimensional visualization interface. The time-series curves of each electrical parameter in the target operating data corresponding to the target device are displayed in the third display area of ​​the multi-dimensional visualization interface; wherein the first display area, the second display area, and the third display area are independently laid out on the multi-dimensional visualization interface.

[0046] Specifically, when a target device is determined to be abnormal, its location information is displayed in the first display area of ​​a preset multi-dimensional visualization interface. This location information may include the device's coordinates on the primary wiring diagram, its geographical location in the GIS system, or its power grid level and system partition information, facilitating maintenance personnel to intuitively identify the area to which the device belongs and its location within the power grid structure from different dimensions.

[0047] The start and end times of the abnormal signal corresponding to the target device are displayed in the second display area of ​​the multi-dimensional visualization interface to clearly reflect the specific time window of the alarm event, supporting subsequent source tracing analysis of the abnormal process and its correlation with other events.

[0048] Simultaneously, time-series curves of various electrical parameters from the target device's operational data during the duration of the abnormal signal are displayed in the third display area of ​​the multi-dimensional visualization interface. These electrical parameters may include typical values ​​reflecting the device's operating status, such as current, voltage, active power, and reactive power. The displayed curves reflect the dynamic trends of these parameters during the abnormal period, thus providing maintenance personnel with a more intuitive basis for judgment.

[0049] The first, second, and third display areas are independently laid out on the multi-dimensional visualization interface and do not overlap with each other. They support viewing the geographical and topological location of the device, abnormal time information, and electrical parameter trends separately. The overall layout is reasonable and the information is clearly displayed, which helps to improve the efficiency and accuracy of anomaly handling.

[0050] Based on the above method embodiments, the present invention provides corresponding apparatus embodiments.

[0051] like Figure 2 As shown, an embodiment of the present invention provides a device for determining the status of equipment based on power grid alarm signals, including: a data acquisition module, a target power grid alarm signal determination module, an abnormal signal determination module, a target operating data determination module, and a target equipment status determination module; The data acquisition module is used to acquire the original power grid alarm signal to be processed, as well as the operation ticket information corresponding to the start time of the original alarm signal; The target power grid alarm signal determination module is used to determine whether the original power grid alarm signal is an operation signal caused by an operation command based on the operation ticket information; when the original power grid alarm signal is not an operation signal caused by an operation command, the original power grid alarm signal is used as the target power grid alarm signal. The abnormal signal determination module is used to determine the duration range and duration of the target power grid alarm signal based on the start time and end time of the target power grid alarm signal; determine whether the duration of the target power grid alarm signal exceeds a preset abnormal duration interval threshold; if so, determine that the target power grid alarm signal is an abnormal signal; otherwise, determine that the target power grid alarm signal is not an abnormal signal. The target operating data determination module is used to identify the target device based on the device identifier in the abnormal signal when the target power grid alarm signal is an abnormal signal, and to obtain the operating data of the target device during the duration of the abnormal signal, which is recorded as the target operating data. The target device status determination module is used to determine, based on the target operating data, whether the target device has experienced an anomaly during the duration of the abnormal signal. If so, the target device is determined to be abnormal; otherwise, the abnormal signal is determined to be erroneous.

[0052] In a preferred embodiment, the operation ticket information includes: the planned operation equipment identifier, the planned execution time period of the operation task, and the change value of the planned operation equipment parameters; the original power grid alarm signal includes: the equipment identifier, the start time, and the change value of the equipment status; The target power grid alarm signal determination module determines, based on the operation ticket information, whether the original power grid alarm signal is an operation signal caused by an operation command, including: Determine whether the device identifier matches the planned operation device identifier in the operation ticket information. If they match, determine that the device identifier of the original power grid alarm signal is successfully matched. Determine whether the start time is within the planned execution time period of the operation task in the operation ticket information. If it is, then the start time of the original power grid alarm signal is determined to be successfully matched. Determine whether the device status change value is consistent with the planned operation device parameter change value in the operation ticket information. If they are consistent, it is determined that the device status change value of the original power grid alarm signal is successfully matched. If the device identifier, start time, and device status change value of the original power grid alarm signal are successfully matched, the original power grid alarm signal is determined to be an operation signal caused by an operation command.

[0053] In a preferred embodiment, the target device status determination module determines, based on the target operating data, whether the target device has experienced an anomaly during the duration of the abnormal signal, including: Based on the timing information of the switch status in the target operating data, calculate and generate the switch change value of the target device; Based on the change value of the switch quantity of the target device and the preset threshold value of the switch quantity change range, determine whether the target device has tripped during the duration of the abnormal signal. Based on the electrical parameter timing information in the target operating data and the corresponding preset electrical parameter limits, it is determined whether the target device exhibits any over-limit behavior during the duration of the abnormal signal; wherein, the electrical parameter timing information includes current timing information, voltage timing information, and power timing information; If the target device exhibits tripping or over-limit behavior, it is determined that the target device experienced an anomaly during the duration of the abnormal signal.

[0054] In a preferred embodiment, the device for determining the device status based on the power grid alarm signal further includes: a visualization module; The visualization module is used to display the location of the target device in the first display area of ​​a preset multi-dimensional visualization interface when the target device is determined to be abnormal. The start and end times of the abnormal signal corresponding to the target device are displayed in the second display area of ​​the multi-dimensional visualization interface. The time-series curves of each electrical parameter in the target operating data corresponding to the target device are displayed in the third display area of ​​the multi-dimensional visualization interface; wherein the first display area, the second display area, and the third display area are independently laid out on the multi-dimensional visualization interface.

[0055] It should be noted that the embodiments of the device described above correspond to the embodiments of the present invention described above, and can realize the device status determination method based on power grid alarm signals described in any one of the above embodiments of the present invention. Furthermore, the embodiments of the device described above are merely illustrative. The modules described as separate components may or may not be physically separate, and the components shown as modules 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 modules can be selected to achieve the purpose of this embodiment according to actual needs. In addition, in the accompanying drawings of the device embodiments provided by the present invention, the connection relationship between modules indicates that they have a communication connection, which can be specifically implemented as one or more communication buses or signal lines. Those skilled in the art can understand and implement this without creative effort.

[0056] Based on the above-described method embodiments of the present invention, a corresponding embodiment of an electronic device is provided.

[0057] An embodiment of the present invention provides an electronic device, including a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor. When the processor executes the computer program, it implements the device status determination method based on power grid alarm signals according to any one of the present invention, or the processor executes the computer program to implement the functions of each module in the above-described device embodiments.

[0058] For example, the computer program may be divided into one or more modules, which are stored in the memory and executed by the processor to complete the present invention. The one or more modules may be a series of computer program instruction segments capable of performing specific functions, which describe the execution process of the computer program in the terminal device.

[0059] The terminal device may be a desktop computer, laptop, handheld computer, or cloud server, etc. The terminal device may include, but is not limited to, a processor and a memory.

[0060] The processor can be a Central Processing Unit (CPU), or other general-purpose processors, digital signal processors (DSPs), application-specific integrated circuits (ASICs), field-programmable gate arrays (FPGAs), or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. A general-purpose processor can be a microprocessor or any conventional processor. The processor is the control center of the terminal device, connecting all parts of the terminal device via various interfaces and lines.

[0061] The memory can be used to store the computer programs and / or modules. The processor implements various functions of the terminal device by running or executing the computer programs and / or modules stored in the memory and by calling data stored in the memory. The memory may mainly include a program storage area and a data storage area. The program storage area may store the operating system, applications required for at least one function, etc.; the data storage area may store data created based on the use of the mobile phone, etc. In addition, the memory may include high-speed random access memory, and may also include non-volatile memory, such as hard disk, memory, plug-in hard disk, smart media card (SMC), secure digital card (SD card), flash card, at least one disk storage device, flash memory device, or other volatile solid-state storage device.

[0062] Based on the above method embodiments, the present invention provides corresponding storage medium embodiments; Another embodiment of the present invention provides a storage medium including a stored computer program, wherein, when the computer program is executed, the device where the storage medium is located executes any of the above-described methods for determining the device status based on power grid alarm signals.

[0063] The aforementioned storage medium is a computer-readable storage medium, and the computer program includes computer program code, which may be in the form of source code, object code, executable file, or certain intermediate forms. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording media, USB flash drive, portable hard drive, magnetic disk, optical disk, computer memory, read-only memory (ROM), random access memory (RAM), electrical carrier signals, telecommunication signals, and software distribution media, etc.

[0064] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of those different embodiments or examples.

[0065] The above description represents the preferred embodiments of the present invention. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principles of the present invention, and these improvements and modifications are also considered to be within the scope of protection of the present invention.

Claims

1. A method for determining the status of equipment based on power grid alarm signals, characterized in that, include: Acquire the original power grid alarm signal to be processed, as well as the operation ticket information corresponding to the start time of the original alarm signal; Based on the operation ticket information, determine whether the original power grid alarm signal is an operation signal caused by an operation command; When the original power grid alarm signal is not an operation signal caused by an operation command, the original power grid alarm signal shall be used as the target power grid alarm signal; Based on the start and end times of the target power grid alarm signal, determine the duration range and duration of the target power grid alarm signal; Determine whether the duration of the target power grid alarm signal exceeds a preset abnormal duration interval threshold. If so, determine that the target power grid alarm signal is an abnormal signal; otherwise, determine that the target power grid alarm signal is not an abnormal signal. When the target power grid alarm signal is an abnormal signal, the target device is identified according to the device identifier in the abnormal signal, and the operating data of the target device during the duration of the abnormal signal is obtained and recorded as the target operating data. Based on the target operating data, determine whether the target device experienced an anomaly during the duration of the abnormal signal; If yes, the target device is determined to be malfunctioning; otherwise, the malfunction signal is determined to be incorrect.

2. The method for determining equipment status based on power grid alarm signals as described in claim 1, characterized in that, The operation ticket information includes: the planned operation equipment identifier, the planned execution time period of the operation task, and the change value of the planned operation equipment parameters; the original power grid alarm signal includes: the equipment identifier, the start time, and the change value of the equipment status; Based on the operation ticket information, determining whether the original power grid alarm signal is an operation signal caused by an operation command includes: Determine whether the device identifier matches the planned operation device identifier in the operation ticket information. If they match, determine that the device identifier of the original power grid alarm signal is successfully matched. Determine whether the start time is within the planned execution time period of the operation task in the operation ticket information. If it is, then the start time of the original power grid alarm signal is determined to be successfully matched. Determine whether the device status change value is consistent with the planned operation device parameter change value in the operation ticket information. If they are consistent, it is determined that the device status change value of the original power grid alarm signal is successfully matched. If the device identifier, start time, and device status change value of the original power grid alarm signal are successfully matched, the original power grid alarm signal is determined to be an operation signal caused by an operation command.

3. The method for determining equipment status based on power grid alarm signals as described in claim 2, characterized in that, Based on the target operating data, determine whether the target device experienced an anomaly during the duration of the abnormal signal, including: Based on the timing information of the switch status in the target operating data, calculate and generate the switch change value of the target device; Based on the change value of the switch quantity of the target device and the preset threshold value of the switch quantity change range, determine whether the target device has tripped during the duration of the abnormal signal. Based on the electrical parameter timing information in the target operating data and the corresponding preset electrical parameter limits, it is determined whether the target device exhibits any over-limit behavior during the duration of the abnormal signal; wherein, the electrical parameter timing information includes current timing information, voltage timing information, and power timing information; If the target device exhibits tripping or over-limit behavior, it is determined that the target device experienced an anomaly during the duration of the abnormal signal.

4. The method for determining equipment status based on power grid alarm signals as described in claim 3, characterized in that, Also includes: If the target device is determined to be abnormal, the location of the target device will be displayed in the first display area of ​​the preset multi-dimensional visualization interface; The start and end times of the abnormal signal corresponding to the target device are displayed in the second display area of ​​the multi-dimensional visualization interface. The time-series curves of each electrical parameter in the target operating data corresponding to the target device are displayed in the third display area of ​​the multi-dimensional visualization interface; wherein the first display area, the second display area, and the third display area are independently laid out on the multi-dimensional visualization interface.

5. A device for determining the status of equipment based on power grid alarm signals, characterized in that, include: Data acquisition module, target power grid alarm signal determination module, abnormal signal determination module, target operating data determination module, and target equipment status determination module; The data acquisition module is used to acquire the original power grid alarm signal to be processed, as well as the operation ticket information corresponding to the start time of the original alarm signal. The target power grid alarm signal determination module is used to determine whether the original power grid alarm signal is an operation signal caused by an operation command based on the operation ticket information; when the original power grid alarm signal is not an operation signal caused by an operation command, the original power grid alarm signal is used as the target power grid alarm signal. The abnormal signal determination module is used to determine the duration range and duration of the target power grid alarm signal based on the start time and end time of the target power grid alarm signal. Determine whether the duration of the target power grid alarm signal exceeds a preset abnormal duration interval threshold. If so, determine that the target power grid alarm signal is an abnormal signal; otherwise, determine that the target power grid alarm signal is not an abnormal signal. The target operating data determination module is used to identify the target device based on the device identifier in the abnormal signal when the target power grid alarm signal is an abnormal signal, and to obtain the operating data of the target device during the duration of the abnormal signal, which is recorded as the target operating data. The target device status determination module is used to determine, based on the target operating data, whether the target device has experienced an anomaly during the duration of the abnormal signal. If so, the target device is determined to be abnormal; otherwise, the abnormal signal is determined to be erroneous.

6. The device for determining the status of equipment based on power grid alarm signals as described in claim 5, characterized in that, The operation ticket information includes: the planned operation equipment identifier, the planned execution time period of the operation task, and the change value of the planned operation equipment parameters; the original power grid alarm signal includes: the equipment identifier, the start time, and the change value of the equipment status; The target power grid alarm signal determination module determines, based on the operation ticket information, whether the original power grid alarm signal is an operation signal caused by an operation command, including: Determine whether the device identifier matches the planned operation device identifier in the operation ticket information. If they match, determine that the device identifier of the original power grid alarm signal is successfully matched. Determine whether the start time is within the planned execution time period of the operation task in the operation ticket information. If it is, then the start time of the original power grid alarm signal is determined to be successfully matched. Determine whether the device status change value is consistent with the planned operation device parameter change value in the operation ticket information. If they are consistent, it is determined that the device status change value of the original power grid alarm signal is successfully matched. If the device identifier, start time, and device status change value of the original power grid alarm signal are successfully matched, the original power grid alarm signal is determined to be an operation signal caused by an operation command.

7. The device for determining the status of equipment based on power grid alarm signals as described in claim 6, characterized in that, The target device status determination module determines, based on the target operating data, whether the target device has experienced an anomaly during the duration of the abnormal signal, including: Based on the timing information of the switch status in the target operating data, calculate and generate the switch change value of the target device; Based on the change value of the switch quantity of the target device and the preset threshold value of the switch quantity change range, determine whether the target device has tripped during the duration of the abnormal signal. Based on the electrical parameter timing information in the target operating data and the corresponding preset electrical parameter limits, it is determined whether the target device exhibits any over-limit behavior during the duration of the abnormal signal; wherein, the electrical parameter timing information includes current timing information, voltage timing information, and power timing information; If the target device exhibits tripping or over-limit behavior, it is determined that the target device experienced an anomaly during the duration of the abnormal signal.

8. The device for determining the status of equipment based on power grid alarm signals as described in claim 7, characterized in that, Also includes: Visualization module; The visualization module is used to display the location of the target device in the first display area of ​​a preset multi-dimensional visualization interface when the target device is determined to be abnormal. The start and end times of the abnormal signal corresponding to the target device are displayed in the second display area of ​​the multi-dimensional visualization interface. The time-series curves of each electrical parameter in the target operating data corresponding to the target device are displayed in the third display area of ​​the multi-dimensional visualization interface; wherein the first display area, the second display area, and the third display area are independently laid out on the multi-dimensional visualization interface.

9. An electronic device, characterized in that, The device includes a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, wherein the processor, when executing the computer program, implements the method for determining the device status based on a power grid alarm signal as described in any one of claims 1 to 4.

10. A storage medium, characterized in that, The storage medium includes a stored computer program, wherein, when the computer program is executed, it controls the device where the storage medium is located to perform the device status determination method based on power grid alarm signals as described in any one of claims 1 to 4.

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