CN113779047B - Fault analysis method and system based on logic template - Google Patents
Fault analysis method and system based on logic template Download PDFInfo
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Abstract
The invention discloses a fault analysis method based on a logic template, which comprises the steps of periodically reading a database in a direct current monitoring background; in response to data refreshing in the database, instantiating a preset corresponding logic template according to the refreshing data; and obtaining a fault analysis result corresponding to the refreshing data according to the logic operation in the instantiated logic template. Corresponding systems are also disclosed. The invention realizes the fault analysis in the DC secondary operation substation based on the logic template.
Description
Technical Field
The invention relates to a fault analysis method and system based on a logic template, and belongs to the technical field of power systems.
Background
In the direct current transmission system, a direct current control device and a direct current protection device (hereinafter referred to as direct current protection device) realize control and protection of the direct current transmission system. When the direct current transmission system fails, the direct current control protection device can act rapidly to protect the direct current transmission system, and meanwhile, the secondary operation maintenance substation receives a large number of various telemetry and remote signaling signals generated by the direct current control protection device. In order to help the related operators in the direct current secondary operation and maintenance substation analyze the faults, a fault analysis method is required to be arranged in the direct current secondary operation and maintenance substation.
Disclosure of Invention
The invention provides a fault analysis method and a fault analysis system based on a logic template, which solve the problems disclosed in the background technology.
In order to solve the technical problems, the invention adopts the following technical scheme:
A fault analysis method based on a logic template comprises the following steps,
Periodically reading a database in a direct current monitoring background;
In response to data refreshing in the database, instantiating a preset corresponding logic template according to the refreshing data;
and obtaining a fault analysis result corresponding to the refreshing data according to the logic operation in the instantiated logic template.
And generating a fault report according to the fault analysis result and the data in the database.
The database comprises a scada database and an alarm database, wherein the scada database stores remote measurement and remote signaling data generated by the direct current control and protection device, and the alarm database stores alarm data generated by the direct current control and protection device.
The logic template comprises an input table, an output table and logic operation, wherein the input quantity in the input table is subjected to the logic operation to obtain the output quantity in the output table.
The input quantity in the input table is integer or floating point type and is configured with a refreshing time attribute; the output in the output table is boolean.
And refreshing an input table in a preset corresponding logic template according to the refreshing data in response to data refreshing in the database, and carrying out logic template instantiation.
In the process of instantiation, once the input table has input quantity refreshing, clearing refreshing time corresponding to all residual input quantity, opening a specific refreshing time window, and receiving the input quantity refreshing in the refreshing time window.
A fault analysis system based on a logic template comprises,
And a reading module: periodically reading a database in a direct current monitoring background;
Instantiation module: in response to data refreshing in the database, instantiating a preset corresponding logic template according to the refreshing data;
And the logic operation module is used for: and obtaining a fault analysis result corresponding to the refreshing data according to the logic operation in the instantiated logic template.
A computer readable storage medium storing one or more programs, the one or more programs comprising instructions, which when executed by a computing device, cause the computing device to perform a logical template-based failure analysis method.
A computing device comprising one or more processors, memory, and one or more programs, wherein one or more programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs comprising instructions for performing a logical template-based failure analysis method.
The invention has the beneficial effects that: 1. the invention realizes the fault analysis in the DC secondary operation substation based on the logic template; 2. the invention can reuse the same logic template aiming at different direct current control and protection devices with the same operation logic, thereby greatly improving the failure analysis efficiency.
Drawings
FIG. 1 is a logic flow diagram of the method of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.
As shown in fig. 1, a fault analysis method based on a logic template includes the following steps:
And step 1, periodically reading a database in the direct current monitoring background.
The database comprises a scada database and an alarm database, wherein the scada database stores remote measurement and remote signaling data generated by the direct current control and protection device, and the alarm database stores alarm data generated by the direct current control and protection device.
And 2, refreshing an input table in a preset corresponding logic template according to the refreshing data in response to data refreshing in the database, and carrying out logic template instantiation.
The direct current control and protection devices of different operation logics construct different logic templates, the direct current control and protection devices of the same operation logic only construct one logic template, and the direct current control and protection devices of the same operation logic can multiplex the logic templates.
The logic template comprises an input table, an output table and logic operation, wherein the input quantity in the input table is subjected to the logic operation to obtain the output quantity in the output table. The input quantity in the input table is integer or floating point type, and is matched with a refresh time window of subsequent instantiation, and all the input quantities are configured with refresh time attributes; the output in the output table is boolean. The input output quantity of the logic template itself has no physical meaning, and the logic template and the actual physical quantity are associated with each other only after the logic template has physical meaning after being associated with the signal quantity of the direct current control and protection device and whether the direct current control and protection device has faults (fault types), and the process of associating the logic template and the actual physical quantity is called as a logic template instantiation process. When the data in the database is refreshed, a template instance is copied from the relevant logic template library, and the fault analysis process is started.
In order to adapt to the delay of various signals in a direct current monitoring background and avoid interference of different input quantities in a logic template input table caused by mixing new and old signals at the same time, in the process of instantiation, once the input quantity of the input table is refreshed (namely, one input quantity is refreshed), the refresh time corresponding to all the residual input quantities is cleared, a specific refresh time window is opened, the input quantity refresh is accepted in the refresh time window, the refresh time window is closed after the refresh time is reached, if all the input quantities are refreshed, the instantiation is successful, and otherwise, the instantiation fails.
And step 3, obtaining a fault analysis result corresponding to the refreshing data according to the logic operation in the instantiated logic template. And automatically triggering logic operation according to the refreshed input quantity to obtain corresponding output quantity, namely a fault analysis result, including whether a direct current fault occurs or not and a direct current fault type result.
And step 4, calling the fault wave recording waveform according to the fault analysis result and the data in the database, and generating a fault report which comprises the contents of the name of the fault equipment, the fault type, the fault occurrence time, the alarm signal summarization, the calling wave recording waveform and the like.
The method realizes fault analysis in the direct current secondary operation and maintenance substation based on the logic template; the method can reuse the same logic template aiming at different direct current control and protection devices with the same operation logic, and greatly improves the fault analysis efficiency.
A fault analysis system based on a logic template comprises,
And a reading module: periodically reading a database in a direct current monitoring background;
Instantiation module: in response to data refreshing in the database, instantiating a preset corresponding logic template according to the refreshing data;
And the logic operation module is used for: and obtaining a fault analysis result corresponding to the refreshing data according to the logic operation in the instantiated logic template.
A computer readable storage medium storing one or more programs, the one or more programs comprising instructions, which when executed by a computing device, cause the computing device to perform a logical template-based failure analysis method.
A computing device comprising one or more processors, memory, and one or more programs, wherein one or more programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs comprising instructions for performing a logical template-based failure analysis method.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The foregoing is illustrative of the present invention and is not to be construed as limiting thereof, but rather as providing for the use of additional embodiments and advantages of all such modifications, equivalents, improvements and similar to the present invention are intended to be included within the scope of the present invention as defined by the appended claims.
Claims (6)
1. A fault analysis method based on a logic template is characterized in that: comprising the steps of (a) a step of,
Periodically reading a database in a direct current monitoring background;
Refreshing an input table in a preset corresponding logic template according to refreshing data in response to data refreshing in a database, and carrying out logic template instantiation; the logic template further comprises an output table and logic operation, wherein the input quantity in the input table is subjected to logic operation to obtain the output quantity in the output table, the input quantity in the input table is of integer type or floating point type, the refresh time attribute is configured, and the output quantity in the output table is of Boolean type; in the process of instantiation, once the input table has input quantity refreshing, clearing refreshing time corresponding to all residual input quantities, opening a specific refreshing time window, and receiving the refreshing of the input quantity in the refreshing time window;
and obtaining a fault analysis result corresponding to the refreshing data according to the logic operation in the instantiated logic template.
2. The fault analysis method based on the logic template according to claim 1, wherein: and generating a fault report according to the fault analysis result and the data in the database.
3. A fault analysis method based on a logic template according to claim 1 or 2, characterized in that: the database comprises a scada database and an alarm database, wherein the scada database stores remote measurement and remote signaling data generated by the direct current control and protection device, and the alarm database stores alarm data generated by the direct current control and protection device.
4.A fault analysis system based on a logic template, characterized in that: comprising the steps of (a) a step of,
And a reading module: periodically reading a database in a direct current monitoring background;
Instantiation module: refreshing an input table in a preset corresponding logic template according to refreshing data in response to data refreshing in a database, and carrying out logic template instantiation; the logic template further comprises an output table and logic operation, wherein the input quantity in the input table is subjected to logic operation to obtain the output quantity in the output table, the input quantity in the input table is of integer type or floating point type, the refresh time attribute is configured, and the output quantity in the output table is of Boolean type; in the process of instantiation, once the input table has input quantity refreshing, clearing refreshing time corresponding to all residual input quantities, opening a specific refreshing time window, and receiving the refreshing of the input quantity in the refreshing time window;
And the logic operation module is used for: and obtaining a fault analysis result corresponding to the refreshing data according to the logic operation in the instantiated logic template.
5. A computer readable storage medium storing one or more programs, characterized by: the one or more programs include instructions, which when executed by a computing device, cause the computing device to perform any of the methods of claims 1-3.
6. A computing device, characterized by: comprising the steps of (a) a step of,
One or more processors, memory, and one or more programs, wherein one or more programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs comprising instructions for performing any of the methods of claims 1-3.
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