A substation monitoring information event-based alarm method and device

Abstract

The application relates to a substation monitoring information eventization alarm method and device. Standardized model information of monitoring main and auxiliary equipment is inducted, classified, abstractly extracted, refined according to information electrical function attributes, expanded in combination with system platform alarm signals, and an eventization rule object library is constructed. Through analysis of the correlation of main and auxiliary equipment fault and abnormal event information occurrence, feature extraction and event expression are carried out, and an eventization rule linkage library is constructed. In real-time operation, considering the information occurrence time sequence relationship and information model space range constraint conditions, reasoning recognition is carried out based on the rule library, comprehensive event results are generated, event related data linkage display is realized in combination with a pre-defined linkage strategy, and through factory station diagram automatic browsing, video linkage display and other means, the problems of monitoring screen difficulty and low accident emergency treatment efficiency existing in substation monitoring are effectively solved.

Description

Technical Field

[0001] The present invention relates to the technical field of power system monitoring, and in particular to a method and device for converting substation monitoring information into event-based alarms. Background Art

[0002] With the rapid development of power systems, substation equipment continues to expand. Substations must monitor not only primary and secondary equipment necessary for power operations, but also auxiliary equipment such as security and firefighting facilities. Integrated primary and secondary monitoring has become a key development direction. Consequently, substation data collection is growing in volume, and alarms are becoming increasingly numerous. Alarm processing is a crucial component of daily substation monitoring. Improving its intelligence is crucial for enhancing comprehensive awareness of substation equipment status and rapidly responding to grid anomalies. Traditional substation monitoring systems face the following challenges in alarm analysis and processing: They primarily fail to categorize and organize large numbers of isolated alarms into comprehensive events to reduce the burden on monitors; they lack the ability to analyze the correlation between primary and secondary equipment failures and abnormal event information, and they lack the ability to display event-related data in a linked manner. Consequently, traditional substation monitoring systems display a large and disorganized amount of alarm information, making it difficult for operators to monitor on-screen and complex to sort through tasks. This makes it difficult to extract comprehensive fault information in a timely and accurate manner, hindering the efficiency of emergency response. Summary of the Invention

[0003] Based on the above situation of the prior art, the purpose of the present invention is to provide a substation monitoring information event alarm method and device, establish a logic and reasoning model of substation alarm information according to the known information of the main and auxiliary equipment of the substation, realize the classification, filtering, comprehensive processing and linkage processing of the alarm information, perform online real-time analysis and reasoning on the operating status of the substation equipment, automatically report substation anomalies and provide alarm processing guidance, effectively solve the problems of screen monitoring difficulties and low efficiency of accident emergency processing in substation monitoring.

[0004] To achieve the above object, according to one aspect of the present invention, a method for converting substation monitoring information into event-based alarms is provided, comprising:

[0005] Receive real-time alarm information from main equipment and / or auxiliary equipment of substation;

[0006] Establishing a signal list and a rule list according to the real-time alarm information;

[0007] Determine comprehensive event descriptions based on established signal lists and rule lists;

[0008] Performing reasoning based on the comprehensive event description, and generating a comprehensive event-based alarm output based on the reasoning result;

[0009] The comprehensive eventized alarm output triggers a linkage service action.

[0010] Further, the signal list is established by classifying the real-time alarm information according to fault information, abnormal information, position change information, locking information and monitoring information.

[0011] Further, the rule list is established by searching for a rule containing the real-time alarm information from a preset rule configuration model and adding the rule to the rule list.

[0012] Further, the rule list is used for analyzing the alarm object and determining an alarm classification type according to an analysis result.

[0013] Further, the comprehensive event description is determined according to the established signal list and rule list, including:

[0014] The rule list confirms a device type where the alarm occurs according to a Bay ID and determines the comprehensive event description according to time and a rule expression.

[0015] Further, reasoning is performed according to the comprehensive event description, and a comprehensive eventized alarm output is generated according to a reasoning result, including:

[0016] Alarm information signals that do not meet a condition in the signal list are obtained;

[0017] Signals consistent with a start event of the rule in the signal list are searched, the rule including classification of information according to a rule; it is determined whether the alarm information signal exists; if the alarm information signal exists, a next step is performed; if the alarm information signal does not exist, a previous step is returned;

[0018] It is determined whether a value of the signal meets a condition; if the value meets the condition, the signal is added to a comprehensive event list that has met the condition; if the value does not meet the condition, the signal is deleted;

[0019] After each signal group in the rule is traversed, a reasoning result is generated according to the comprehensive event list that has met the condition.

[0020] Further, the linkage service action includes triggering a camera linkage of a device location area where the alarm occurs according to a classification of the eventized alarm.

[0021] Further, the comprehensive eventized alarm output is further displayed.

[0022] Further, the display includes an analysis result of the comprehensive eventized alarm output and a result of the linkage service action.

[0023] According to another aspect of the present application, there is provided a substation monitoring information eventized alarm device, comprising an alarm information receiving module, a list establishing module, a comprehensive event description module, a comprehensive eventized alarm output generating module, and a linkage service action module; wherein,

[0024] The alarm information receiving module is configured to receive real-time alarm information of main devices and / or auxiliary devices of a substation.

[0025] The list establishing module is configured to establish a signal list and a rule list according to the real-time alarm information.

[0026] The comprehensive event description module is configured to determine a comprehensive event description according to the established signal list and rule list.

[0027] The comprehensive eventized alarm output generating module is configured to perform reasoning according to the comprehensive event description, and generate a comprehensive eventized alarm output according to a reasoning result.

[0028] The linkage service action module is configured to trigger a linkage service action according to the comprehensive eventized alarm output.

[0029] In summary, the present application provides a substation monitoring information eventized alarm method and device, which classifies and abstractly extracts standardized model information of main and auxiliary monitoring devices, refines the information according to electrical function attributes, expands the information in combination with system platform alarm signals, and constructs an eventized rule object library. By analyzing the correlation between main and auxiliary device fault and abnormal event information, the present application performs feature extraction and event expression, and constructs an eventized rule linkage library. In real-time operation, the present application considers the timing relationship and information model space range constraints, performs reasoning and recognition based on the rule library, generates comprehensive event results, realizes linkage display of event-related data in combination with a pre-defined linkage strategy, and effectively solves the problems of monitoring screen difficulty and low efficiency of emergency handling in substation monitoring. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 is a constituent block diagram of an eventized alarm reasoning machine and an eventized alarm display module;

[0031] Figure 2 is a schematic diagram of an implementation principle of an eventized alarm reasoning machine;

[0032] Figure 3 is a schematic diagram of an eventized alarm rule list;

[0033] Figure 4 is a flowchart of a substation monitoring information eventized alarm method according to an embodiment of the present application;

[0034] Figure 5 is an event-based reasoning process processing flow chart;

[0035] Figure 6 is an event-based alarm notification example diagram;

[0036] Figure 7 is an event-based alarm display interface schematic diagram;

[0037] Figure 8 is an event-based alarm scenario interface schematic diagram. DETAILED DESCRIPTION

[0038] In order to make the objects, technical solutions and advantages of the present application clearer, further detailed description will be given below in combination with specific embodiments and with reference to the drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the present application. In addition, in the following description, the description of well-known structures and techniques is omitted to avoid unnecessary confusion of the concept of the present application.

[0039] The technical solutions of the present application will be described in detail below in combination with the drawings. According to one embodiment of the present application, a substation monitoring information event-based alarm method is provided. The implementation of the substation monitoring information event-based alarm method may, for example, be composed of an event-based alarm reasoning machine and an event-based alarm display module, and the framework is as shown in Figure 1 , which includes an event-based alarm reasoning machine and an event-based alarm display. The event-based alarm reasoning machine uses substation automation technology to establish a logic and reasoning model of the alarm information of the main and auxiliary devices of the substation according to the known information of the main and auxiliary devices, realizes classification and filtering of the alarm information, performs online real-time analysis and reasoning on the running state of the substation, automatically reports the abnormality of the substation and proposes alarm handling guidance. The event-based alarm reasoning machine can include two modules of an event-based alarm knowledge base and an event-based linkage strategy base, and the implementation principle schematic diagram of the event-based alarm reasoning machine is as shown in Figure 2As shown. Among them, the eventized alarm knowledge base module first receives the main and auxiliary equipment real-time alarm, and then establishes a "signal list" and a "rule list" during operation. The signal list is a combination of monitoring real-time alarms within a period of time, and the rule list is the filtering result of the signal list after judging according to the rule expression. For example: there may be operation signals and limit signals in the signal list, and the rule list is the filtering of the signal according to the rule expression, and the rule list only contains limit signals or only contains operation information. "Signal list": the signal list received during operation. After receiving the alarm, the alarm is classified into fault information, abnormal information, displacement information, locking information and monitoring information, and added to the signal list. "Rule list": after receiving the signal, the rule contained in the signal is searched from the rule configuration model in the memory, and the rule is added to the rule list. The "rule list" analyzes the alarm object in multiple scenarios, determines the alarm classification type according to the analysis result, processes according to the limit alarm class, operation alarm class, repeated alarm class, network on-off class and event association class, and the eventized alarm rule list is as shown in Figure 3 As shown. Among them, the "rule list" calls the corresponding reasoning method to reason the alarm, which determines the comprehensive event description according to the device BayID number, confirms the device type where the alarm occurs, and determines the comprehensive event description according to the time and rule expression. The comprehensive event includes several types such as power grid fault event (protection action event caused by power grid operation fault), repeated alarm event (alarm repetition times greater than n within the alarm repetition time domain), alarm jitter event (n consecutive alarm actions and return signals, n greater than the preset limit value), network on-off event (network on-off times greater than n within the network on-off time domain), limit event (measured data greater than the preset value within a certain time range), operation event (summary of the correlation of operation process alarm signals) and the like.

[0040] The flowchart of the substation monitoring information eventized alarm method of the embodiment of the application is as shown in Figure 4 The method comprises the following steps:

[0041] Receive real-time alarm information of the main equipment and / or auxiliary equipment of the substation.

[0042] According to the real-time alarm information, a signal list and a rule list are established. The establishment of the signal list includes classifying the real-time alarm information according to fault information, abnormal information, displacement information, locking information and monitoring information. The establishment of the rule list includes searching for rules containing the real-time alarm information from a preset rule configuration model, and adding the rules to the rule list. The rule list is used for analyzing the alarm object, and determining the alarm classification type according to the analysis result.

[0043] The comprehensive event description is determined according to the established signal list and rule list. The rule list confirms the device type where the alarm occurs according to the equipment BayID, and determines the comprehensive event description according to time and rule expression.

[0044] Inference is made according to the comprehensive event description, and a comprehensive eventized alarm output is generated according to the inference result. In this step, first, alarm information signals that do not meet the conditions in the signal group are obtained; the conditions refer to the descriptions in the brackets below: fault event (a protection action event caused by power grid operation fault), repeated alarm event (in the alarm repetition time domain, the alarm repetition times are greater than n), alarm jitter event (n consecutive alarm actions and return signals, n is greater than the preset limit), network on-off event (in the network on-off time domain, the network on-off times are greater than n), and out-of-limit event (in a certain time range, the measured data is greater than the preset value); the signals consistent with the starting event of the rule are searched from the signal list, and it is determined whether the signals exist; the rule refers to classifying information according to rules, such as fault event class, repeated alarm event, alarm jitter event, network on-off event, and out-of-limit event; if the signals exist, the next step is performed; if the signals do not exist, the previous step is returned; it is determined whether the value of the signal meets the conditions; if the value meets the conditions, the signal is added to the comprehensive event list that has met the conditions; if the value does not meet the conditions, the signal is deleted; after each signal group in the rule is traversed, the inference result is generated according to the comprehensive event list that has met the conditions. Figure 5 The flowchart of the inference process is shown in FIG. 1. Figure 5 As shown in FIG. 1, first, the signal group is obtained, and the signals consistent with the starting event of the rule are searched from the signal list; when the rule expression condition is met in the current time range, the signal is added to the comprehensive event list; otherwise, the signal is deleted; the signals are processed in turn, the inference result is generated, and the comprehensive event description is formed. According to the inference result, a comprehensive eventized alarm is generated, and the eventized alarm is fed back to the client. An example of the eventized alarm notification is shown in FIG. 2. Figure 6

[0045] ​According to the comprehensive eventized alarm output, a linkage service action is triggered. The linkage service action includes triggering a camera linkage of a device location area where the eventized alarm occurs according to the classification of the eventized alarm. The eventized alarm processing measure refers to triggering a video linkage by an eventized alarm signal, controlling a video camera through a linkage service, and realizing remote video confirmation of the eventized alarm. The module includes a linkage strategy configuration and a linkage service. The linkage strategy configuration is configured according to the classification of the eventized alarm, judges an equipment ID of a device location area where the alarm occurs in a substation, configures a camera preset position in the area, performs a logical calculation on real-time data according to a linkage trigger point, and triggers a camera control linkage. The linkage service is configured according to a controlled device (Equipment ID), and the linkage service is configured by issuing a control point to a control component, realizes control of the device, and summarizes the linkage result into an analysis report (AnalysisFile).

[0046] The method further includes the step of displaying the comprehensive eventized alarm output. The display includes an analysis result of the comprehensive eventized alarm output and a result of the linkage service action. The display can be realized through an eventized alarm display module, which is configured to display eventized alarm content to a user by using a visual method. Figure 7 An eventized alarm display interface is shown in FIG. 8, which mainly includes an event comprehensive display module and an event alarm detailed display module. Figure 7 As shown in FIG. 8, the event comprehensive display module displays eventized alarms according to power grid fault events, repeated alarm events, control operation events, network on-off events, and the like, and simultaneously displays the number of unconfirmed alarm entries. When a classification is clicked, a right display area is filtered and displayed according to the eventized classification. The event alarm detailed display module includes an eventized analysis report and a video linkage result, which is a specific description of related alarms of the eventized comprehensive alarm, as shown in FIG. 9. Figure 8 As shown in FIG. 8, through double-clicking of the right area of the eventized alarm display interface, specific correlation information of the comprehensive event can be displayed. A video display area can display a device area video picture.

[0047] According to another embodiment of the present application, a substation monitoring information eventized alarm device is provided, which includes an alarm information receiving module, a list establishing module, a comprehensive event description module, a comprehensive eventized alarm output generating module, and a linkage service action module; wherein,

[0048] The alarm information receiving module is configured to receive real-time alarm information of main devices and / or auxiliary devices of a substation.

[0049] The list establishing module is configured to establish a signal list and a rule list according to the real-time alarm information.

[0050] The comprehensive event description module is configured to determine a comprehensive event description according to the established signal list and rule list.

[0051] The comprehensive eventized alarm output generation module is configured to perform reasoning according to the comprehensive event description, and generate a comprehensive eventized alarm output according to a reasoning result.

[0052] The linkage service action module is configured to trigger a linkage service action according to the comprehensive eventized alarm output.

[0053] The second embodiment provides the device, and each module in the device realizes the corresponding function of the specific steps, which is the same as the method provided in the first embodiment of the application, and thus will not be described here.

[0054] In summary, the application relates to a substation monitoring information eventized alarm method and device, which classifies and abstractly extracts standard model information of main and auxiliary monitoring devices, refines the information according to electrical function attributes, expands the information in combination with system platform alarm signals, and constructs an eventized rule object library. By analyzing the correlation of main and auxiliary device fault and abnormal event information, the application performs feature extraction and event expression, and constructs an eventized rule linkage library. In real-time operation, the application considers the timing relationship of information occurrence and the constraint conditions such as information model space range, performs reasoning and identification based on the rule library, generates comprehensive event results, realizes linkage display of event-related data in combination with a predefined linkage strategy, and effectively solves the problems of monitoring screen difficulty and low efficiency of emergency handling of accidents in the substation monitoring.

[0055] It should be understood that the above specific embodiments of the application are only used for illustrative or explanatory purposes of the principles of the application, and do not constitute a limitation of the application. Therefore, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the application shall be included in the protection scope of the application. In addition, the appended claims of the application are intended to cover all variations and modifications falling within the scope and boundary of the appended claims, or the equivalent forms of such scope and boundary.

Claims

1. A method for substation monitoring information eventized alarm, characterized in that, The method comprises the following steps: receiving real-time alarm information of main equipment and / or auxiliary equipment of a substation; establishing a signal list and a rule list according to the real-time alarm information; determining a comprehensive event description according to the established signal list and rule list, which comprises: the rule list confirming the type of device where the alarm occurs according to the Bay ID of the equipment, and determining the comprehensive event description according to time and rule expression; performing reasoning according to the comprehensive event description, and generating a comprehensive eventized alarm output according to the reasoning result, which comprises: obtaining alarm information signals that do not meet the conditions in the signal list; starting to search from the signals in the signal list that are consistent with the starting event of the rule, the rule including classification of information according to rules; judging whether the alarm information signals exist; if they exist, the next step is performed; if they do not exist, the previous step is returned; judging whether the value of the signal meets the conditions; if it meets the conditions, the signal is added to the comprehensive event list that has met the conditions; if it does not meet the conditions, the signal is deleted; after traversing each signal group in the rule, the reasoning result is generated according to the comprehensive event list that has met the conditions; triggering a linkage service action according to the comprehensive eventized alarm output.

2. The method of claim 1, wherein, The signal list is established by classifying the real-time alarm information according to fault information, abnormal information, position change information, locking information and monitoring information.

3. The method of claim 2, wherein, The rule list is established by searching for rules containing the real-time alarm information from a preset rule configuration model, and adding the rules to the rule list.

4. The method of claim 3, wherein, The rule list is used to analyze alarm objects, and determine alarm classification types according to the analysis result.

5. The method of claim 1, wherein, The linkage service action comprises triggering a camera linkage of a device location area where the alarm occurs according to the classification of the eventized alarm.

6. The method of claim 5, wherein, The method further comprises: displaying the comprehensive eventized alarm output.

7. The method of claim 6, wherein, The display comprises analysis results of the comprehensive eventized alarm output and results of the linkage service action.

8. A substation monitoring information eventized alarm apparatus, characterized by, The method comprises an alarm information receiving module, a list establishing module, a comprehensive event description module, a comprehensive eventized alarm output generating module, and a linkage service action module, wherein: The alarm information receiving module is used to receive real-time alarm information of main equipment and / or auxiliary equipment of a substation; The list establishing module is used to establish a signal list and a rule list according to the real-time alarm information; The comprehensive event description module is used to determine a comprehensive event description according to the established signal list and rule list, which comprises: the rule list confirming the type of device where the alarm occurs according to the Bay ID of the equipment, and determining the comprehensive event description according to time and rule expression; The integrated eventized alarm output generation module is configured to perform reasoning according to the integrated event description, and generate an integrated eventized alarm output according to a reasoning result; and includes: obtaining alarm information signals that do not meet a condition in a signal list; starting to search from a signal consistent with a starting event of a rule in the signal list, the rule including classification of information according to a rule; judging whether the alarm information signal exists; if the alarm information signal exists, proceeding to a next step; if the alarm information signal does not exist, returning to a previous step; judging whether a value of the signal meets a condition; if the value meets the condition, adding the signal to an integrated event list that has met the condition; if the value does not meet the condition, deleting the signal; and after traversing each signal group in the rule, generating a reasoning result according to the integrated event list that has met the condition. The linkage service action module is configured to trigger a linkage service action according to the integrated eventized alarm output.

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