A method for analyzing operation results based on typical operations and alarm signals

Abstract

The present invention discloses an operation result analysis method based on typical operations and alarm signals, comprising: S1: obtaining operation instructions within a preset time period, and obtaining corresponding typical operation information and target device information according to the operation instructions; S2: obtaining a corresponding remote signal change alarm signal according to the actual change of the target device information, and obtaining the operation result after the device status is changed; S3: performing regular matching between the remote signal change alarm signal and a preset typical operation rule library to obtain a matching result; S4: judging whether the matching result is consistent with the operation result; if not, it is considered that the device status change process is blocked or abnormal, and a secondary confirmation is performed to obtain the analysis result. The present invention analyzes the operation instructions and remote signal change signals in real time, judges the operating status and operation results of the corresponding equipment, and can promptly discover situations such as planned operation obstruction and operation abnormality.

Description

Technical Field

[0001] The present invention relates to the technical field of alarm analysis, and in particular to an operation result analysis method based on typical operations and alarm signals. Background Art

[0002] With the sustained and stable growth of my country's economy, the power grid's electricity load has maintained a high growth rate. Meeting this growing demand requires the continuous development of the power grid and the continuous commissioning of new equipment. To ensure the orderly, smooth, and safe integration of new equipment into the system, while also ensuring the stable and safe operation of existing grid equipment, the monitoring industry faces a massive amount of alarm information. While implementing real-time equipment monitoring, there is a lack of technical support for the complete and standardized management of monitoring information, as well as statistical analysis, intelligent decision-making, and identification mechanisms and analysis methods for the operating status of monitored equipment. Summary of the Invention

[0003] In response to the problem that the existing technology lacks analysis of operation results and equipment operating status, the present invention provides an operation result analysis method based on typical operations and alarm signals, which analyzes operation instructions and telesignal change signals in real time, judges the operating status and operation results of the corresponding equipment, and can promptly discover situations such as planned operation obstruction and operation abnormality.

[0004] The following are the technical solutions of the present invention.

[0005] A method for analyzing operation results based on typical operations and alarm signals comprises the following steps:

[0006] S1: Obtaining operation instructions within a preset time period, and obtaining corresponding typical operation information and target device information according to the operation instructions;

[0007] S2: Obtain the corresponding remote signal change alarm signal according to the actual change of the target device information, and obtain the operation result after the device status changes;

[0008] S3: Perform regular matching between the remote signal change alarm signal and the preset typical operation rule library to obtain the matching result;

[0009] S4: Determine whether the matching result is consistent with the operation result. If not, it is considered that the device status change process is blocked or abnormal, and a second confirmation is performed to obtain the analysis result.

[0010] Preferably, in step S1, the operation instruction is compiled according to the maintenance plan, and after being reviewed and approved, it is issued through the network according to actual needs. The operation instruction includes corresponding typical operation information and target device information.

[0011] Preferably, in step S2, the remote signal change alarm signal includes the operation start time, operation start status, operation duration, operation end time, operation end status and confirmation information, and the operation result includes the operation end time and operation end status, and the voltage and / or current curve is drawn according to the operation duration, operation start status and operation end status.

[0012] Preferably, the confirmation information includes a data transmission schedule, and the data transmission schedule records the duration of each data transmission.

[0013] Preferably, in step S3, the preset typical operation rule base is a device typical operation alarm information rule base, which includes typical operation information and device information corresponding to the primary and secondary device operation centralized monitoring.

[0014] Preferably, in step S4, the secondary confirmation includes: obtaining the data transmission schedule in the confirmation information; if the data transmission duration is longer than the preset transmission duration, it is considered that there is an abnormality in the data transmission, and the operation result is considered inaccurate, and step S2 is re-executed; if the data transmission duration is less than or equal to the preset transmission duration, it is considered that the data transmission is normal and the operation result is accurate, and the operation is blocked or abnormal based on the characteristic segments in the voltage and / or current curve.

[0015] Preferably, the determining of operation obstruction or abnormality based on characteristic segments in the voltage and / or current curves includes: extracting segmented data based on curve variation characteristics during normal opening and / or closing operations to obtain normal characteristic sub-segments, and expanding the data of the normal characteristic sub-segments by horizontally stretching or compressing them to obtain normal characteristic expanded sub-segments;

[0016] Matching the normal feature expanded sub-paragraph with the currently obtained voltage and / or current curve to find a feature segment with a degree of overlap higher than a threshold, and determining the degree of overlap between the morphology of the feature segment and the normal feature sub-paragraph, the laterally elongated normal feature expanded sub-paragraph, and the laterally compressed normal feature expanded sub-paragraph;

[0017] If there is no characteristic segment with a degree of overlap higher than the threshold, the operation result is considered abnormal or invalid;

[0018] If the overlap with the normal feature sub-paragraph is the highest, the operation result is considered normal;

[0019] If the overlap with the horizontally elongated normal feature expansion sub-paragraph is the highest, the operation is considered to be blocked or abnormal.

[0020] If the overlap with the normal characteristic expansion subparagraph of the horizontal compression is the highest, the operation is considered abnormal.

[0021] Preferably, the target equipment includes switches, circuit breakers, grounding circuit breakers, lines, main transformers, busbars, capacitors, relay protection devices, and automatic devices.

[0022] The substantial effects of the present invention include: real-time analysis of operating instructions and telemetering position change signals, judging the operating status and operating results of the corresponding equipment, and timely discovering situations such as planned operation obstruction and operation abnormality; through the identification and matching of characteristic sections, problems with the operating results can be quickly determined, and it can be applied to most situations. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a flow chart of an embodiment of the present invention. DETAILED DESCRIPTION

[0024] To make the objectives, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions will be clearly and completely described below in conjunction with the embodiments. Obviously, the embodiments described are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] It should be understood that in various embodiments of the present invention, the size of the sequence number of each process does not mean the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of the present invention.

[0026] It should be understood that in the present invention, "include" and "have" and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, system, product or apparatus that includes a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to these processes, methods, products or apparatuses.

[0027] It should be understood that in the present invention, "multiple" refers to two or more. "And / or" is only a description of the association relationship of associated objects, indicating that three relationships can exist. For example, and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. The character " / " generally indicates that the previous and next associated objects are in an "or" relationship. "Contains A, B and C", "Contains A, B, C" means that A, B, and C are all included, "Contains A, B or C" means that one of A, B, and C is included, and "Contains A, B and / or C" means that any one, any two, or any three of A, B, and C are included.

[0028] The technical solution of the present invention is described in detail below with reference to specific embodiments. The embodiments may be combined with each other, and the same or similar concepts or processes may not be described in detail in some embodiments.

[0029] Example:

[0030] A method for analyzing operation results based on typical operations and alarm signals, such as Figure 1 As shown, the following steps are included:

[0031] S1: Obtaining operation instructions within a preset time period, and obtaining corresponding typical operation information and target device information according to the operation instructions;

[0032] S2: Obtain the corresponding remote signal change alarm signal according to the actual change of the target device information, and obtain the operation result after the device status changes;

[0033] S3: Perform regular matching between the remote signal change alarm signal and the preset typical operation rule library to obtain the matching result;

[0034] S4: Determine whether the matching result is consistent with the operation result. If not, it is considered that the device status change process is blocked or abnormal, and a second confirmation is performed to obtain the analysis result.

[0035] This embodiment is used to perform real-time analysis of typical operation alarm analysis results based on the real-time telesignaling change signal of the EMS, combined with the control cloud maintenance and network command data, to determine the operation results (successful operation, failed operation, blocked operation, repeated operation, etc.).

[0036] In this embodiment, in step S1, the operation instruction is compiled according to the maintenance plan, and after being reviewed and approved, it is issued through the network according to actual needs. The operation instruction includes corresponding typical operation information and target device information.

[0037] In this embodiment, in step S2, the remote signal change alarm signal includes the operation start time, operation start status, operation duration, operation end time, operation end status and confirmation information, and the operation result includes the operation end time and operation end status, and the voltage and / or current curve is drawn according to the operation duration, operation start status and operation end status.

[0038] In this embodiment, the confirmation information includes a data transmission schedule, and the data transmission schedule records the duration of each data transmission.

[0039] In this embodiment, in step S3, the preset typical operation rule base is a device typical operation alarm information rule base, which includes typical operation information and device information corresponding to the primary and secondary device operation centralized monitoring.

[0040] In this embodiment, in step S4, the secondary confirmation includes: obtaining the data transmission schedule in the confirmation information; if the data transmission duration is longer than the preset transmission duration, it is considered that there is an abnormality in the data transmission, and the operation result is considered inaccurate, and step S2 is re-executed; if the data transmission duration is less than or equal to the preset transmission duration, it is considered that the data transmission is normal and the operation result is accurate, and the operation is blocked or abnormal based on the characteristic segments in the voltage and / or current curve.

[0041] In this embodiment, determining whether operation is blocked or abnormal based on characteristic segments in the voltage and / or current curves includes:

[0042] According to the curve variation characteristics during normal opening and / or closing operations, segmented extraction is performed to obtain normal feature sub-segments, and the normal feature sub-segments are expanded by horizontally stretching or compressing the data to obtain normal feature expanded sub-segments;

[0043] Matching the normal feature expanded sub-paragraph with the currently obtained voltage and / or current curve to find a feature segment with a degree of overlap higher than a threshold, and determining the degree of overlap between the morphology of the feature segment and the normal feature sub-paragraph, the laterally elongated normal feature expanded sub-paragraph, and the laterally compressed normal feature expanded sub-paragraph;

[0044] If there is no characteristic segment with a degree of overlap higher than the threshold, the operation result is considered abnormal or invalid;

[0045] If the overlap with the normal feature sub-paragraph is the highest, the operation result is considered normal;

[0046] If the overlap with the horizontally elongated normal feature expansion sub-paragraph is the highest, the operation is considered to be blocked or abnormal.

[0047] If the overlap with the normal characteristic expansion subparagraph of the horizontal compression is the highest, the operation is considered abnormal.

[0048] In this embodiment, the target equipment includes switches, circuit breakers, grounding circuit breakers, lines, main transformers, busbars, capacitors, relay protection devices, and automatic devices.

[0049] This embodiment analyzes the operating instructions and telesignaling position change signals in real time, and determines the corresponding interval operating status based on the section file. The position change signals, equipment status, and interval status during the equipment operation process are controlled in real time, and relevant users are promptly reminded when planned operations are blocked or abnormal operations occur. At the same time, when temporary operations are performed on site, the temporary operations on site are monitored in real time based on the rule base, position change alarms, equipment status, and interval status to determine whether the temporary operation process is standardized and whether the operation results are correct. As an information supervision department, the monitoring and command center can control the equipment operation process and operation results through the full process control of the equipment switching operation.

[0050] During planned operations, the real-time alarm data of EMS telesignaling position changes is analyzed according to the network-issued operating instructions and the centralized monitoring alarm information rule library information of the equipment's typical operations. The equipment operation sequence is obtained according to the position change alarm signal timing, and the operation process and results are judged according to the equipment's typical operation rule library and operating instructions.

[0051] 1. Obtain all operation instruction data from the last calculation time to the current time, and obtain the corresponding substation, bay, and equipment information based on the operation instruction.

[0052] 2. Use the power grid model to perform topology and obtain the switch, circuit breaker, and grounding switch equipment information corresponding to the operation instructions.

[0053] 3. Obtain the corresponding remote signal change alarm signal based on the substation, interval, equipment information and time range.

[0054] 4. Obtain the corresponding rule data from the corresponding device typical operation rule library based on the operation instruction and the corresponding device type.

[0055] 5. Perform regular matching through the description of the remote signal change alarm signal and the operation rules, and calculate its operation process and operation results based on the matching results.

[0056] During temporary operation, the typical equipment operation centralized monitoring alarm information rule base information is combined to realize the analysis of the EMS telesignaling position change real-time alarm data, obtain the equipment operation sequence according to the position change alarm signal timing, and calculate the corresponding operation instructions and operation results according to the typical equipment operation rule base.

[0057] 1. Obtain all real-time alarm signals of telesignal changes from the last calculation time to the current time, and derive the corresponding power stations, bays, equipment, and equipment types based on the power grid model.

[0058] 2. Obtain the corresponding rule data from the device typical operation rule library based on the device type.

[0059] 3. Regular matching is performed through the description of the remote signal change alarm signal and the operation rules to obtain its operation instructions and operation results.

[0060] This embodiment is applicable to equipment operation information under typical 500kV 3 / 2 wiring, 220kV dual-bus segmented wiring, 110kV internal bridge wiring, and 35kV and below single-bus segmented wiring. For operations under special wiring and special operating modes, the actual transmitted information shall prevail.

[0061] This embodiment realizes real-time analysis of typical operation alarm analysis results based on the real-time telesignaling position change signal of EMS, combined with the control cloud maintenance and network command data, to judge the current operation type (planned operation, temporary operation) and operation result (successful operation, failed operation, blocked operation, repeated operation, etc.); by identifying and matching characteristic paragraphs, problems with the operation results can be quickly determined, and it can be applied to most situations.

[0062] Through the description of the above implementation methods, technical personnel in the relevant field can understand that for the convenience and simplicity of description, only the division of the above-mentioned functional modules is used as an example. In actual applications, the above-mentioned functions can be distributed and completed by different functional modules as needed, that is, the internal structure of the specific device can be divided into different functional modules to complete all or part of the functions described above.

[0063] In the embodiments provided in this application, it should be understood that the disclosed structures and methods can be implemented in other ways. For example, the embodiments of the structure described above are merely illustrative. For example, the division of modules or units is only a logical function division. In actual implementation, there may be other division methods, such as multiple units or components can be combined or integrated into another structure, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be an indirect coupling or communication connection through some interface, structure or unit, which can be electrical, mechanical or other forms.

[0064] Units described as separate components may or may not be physically separate, and components shown as units may be one physical unit or multiple physical units, that is, they may be located in one place or distributed in multiple places. Some or all of the units may be selected according to actual needs to achieve the purpose of the present embodiment.

[0065] In addition, the functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above-mentioned integrated units may be implemented in the form of hardware or software functional units.

[0066] If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a readable storage medium. Based on this understanding, the technical solution of the embodiment of the present application is essentially or the part that contributes to the prior art or all or part of the technical solution can be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for enabling a device (which can be a single-chip microcomputer, chip, etc.) or a processor (processor) to execute all or part of the steps of the various embodiments of the present application. The aforementioned storage medium includes: various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk.

[0067] The above content is merely a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this application should be included in the scope of protection of the present application. Therefore, the scope of protection of the present application should be based on the scope of protection of the claims.

Claims

1. A method for analyzing operation results based on typical operations and alarm signals, characterized in that: The following steps are involved: S1: Obtaining operation instructions within a preset time period, and obtaining corresponding typical operation information and target device information according to the operation instructions; S2: Obtain the corresponding remote signal change alarm signal according to the actual change of the target device information, and obtain the operation result after the device status changes; S3: Perform regular matching between the remote signal change alarm signal and the preset typical operation rule library to obtain the matching result; S4: Determine whether the matching result is consistent with the operation result. If not, it is considered that the device status change process is blocked or abnormal, and a second confirmation is performed to obtain the analysis result; In step S4, the secondary confirmation includes: obtaining the data transmission schedule in the confirmation information; if the data transmission duration is longer than the preset transmission duration, it is considered that the data transmission is abnormal, the operation result is considered inaccurate, and step S2 is re-executed; if the data transmission duration is less than or equal to the preset transmission duration, the data transmission is considered normal and the operation result is accurate, and the operation is blocked or abnormal based on the characteristic segments in the voltage and / or current curves. The determining of operation obstruction or abnormality based on characteristic sections in the voltage and / or current curves includes: According to the curve variation characteristics during normal opening and / or closing operations, segmented extraction is performed to obtain normal feature sub-segments, and the normal feature sub-segments are expanded by horizontally stretching or compressing the data to obtain normal feature expanded sub-segments; Matching the normal feature expanded sub-paragraph with the currently obtained voltage and / or current curve to find a feature segment with a degree of overlap higher than a threshold, and determining the degree of overlap between the morphology of the feature segment and the normal feature sub-paragraph, the laterally elongated normal feature expanded sub-paragraph, and the laterally compressed normal feature expanded sub-paragraph; If there is no characteristic segment with a degree of overlap higher than the threshold, the operation result is considered abnormal or invalid; If the overlap with the normal feature sub-paragraph is the highest, the operation result is considered normal; If the overlap with the horizontally elongated normal feature expansion sub-paragraph is the highest, the operation is considered to be blocked or abnormal. If the overlap with the normal characteristic expansion subparagraph of the horizontal compression is the highest, the operation is considered abnormal.

2. The method for analyzing operation results based on typical operations and alarm signals according to claim 1, characterized in that: In step S1, the operation instruction is compiled according to the maintenance plan, and after being reviewed and approved, it is issued through the network according to actual needs. The operation instruction contains corresponding typical operation information and target device information.

3. The method for analyzing operation results based on typical operations and alarm signals according to claim 1, characterized in that: In step S2, the remote signal change alarm signal includes the operation start time, operation start status, operation duration, operation end time, operation end status and confirmation information, and the operation result includes the operation end time and operation end status, and the voltage and / or current curve is drawn according to the operation duration, operation start status and operation end status.

4. The method for analyzing operation results based on typical operations and alarm signals according to claim 3, characterized in that: The confirmation information includes a data transmission schedule, and the data transmission schedule records the duration of each data transmission.

5. The method for analyzing operation results based on typical operations and alarm signals according to claim 1, characterized in that: In step S3, the preset typical operation rule base is a device typical operation alarm information rule base, which includes typical operation information and device information corresponding to the primary and secondary device operation centralized monitoring.

6. The method for analyzing operation results based on typical operations and alarm signals according to claim 1, characterized in that: The target equipment includes switches, circuit breakers, grounding circuit breakers, lines, main transformers, busbars, capacitors, relay protection devices, and automatic devices.

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