CN114880278A - Fault recording file processing method and device based on station voltage grade and area - Google Patents

Abstract

The embodiment of the present invention relates to a method and device for processing a fault recording file based on the voltage level and area of a plant. The method includes the steps of: starting a timing program, and obtaining a fault packet containing only line faults according to the start time of the timing program Obtain the information related to this fault according to the fault packet list; according to the information related to the fault, give priority to calling, filing and downloading the wave recording files that are directly related to the factory station and meet the time standard; according to the fault factory station voltage The level discrimination is to call, archive and download the wave recording files of the whole station; according to the wave recording file list in the fault archive report, call the wave recording file processing and analysis system for analysis and processing and summarize the processing results into the analysis report. The technical scheme of the embodiment of the present invention comprehensively analyzes the failure of primary equipment in the power grid based on conditions such as primary equipment topology model information, plant voltage level, area, and whether the wave recording file is to start wave recording.

Description

Method and device for processing fault recording files based on plant voltage level and area

technical field

Embodiments of the present invention relate to the technical field of power plant fault processing, and in particular, to a method and device for processing fault recording files based on power station voltage levels and regions.

Background technique

The primary equipment in the substation is the basis for ensuring the safety of the power grid and the core of the substation. If the primary equipment fails, it will affect the operation efficiency of the substation, and in more serious cases, it may affect the safe operation of the substation. The fault recorder can automatically and accurately record the changes of various electrical quantities in the process before and after the fault when the system fails. System safety plays an important role. Therefore, after a device failure occurs, how to quickly and intelligently archive, download and analyze the fault recorder related to the failure has become an urgent problem to be solved.

The existing technical solution generally only archives, downloads and analyzes the recording files of the factory site directly related to the primary equipment. If it is a single-ended fault, the fault archiving module will only archive and download and analyze the protection recording files and wave recorder recording files of the local plant; if it is a double-ended fault, the fault archiving module will archive and download the local plant The protected wave recording files and wave recorder recording files of the station will also be archived and downloaded from the protection wave recording files and wave recorder wave recording files of the opposite plant station. That is to say, the existing technical solution only archives, automatically downloads and analyzes the wave recording files of the plant station directly related to the faulty primary equipment, and does not archive the wave recorder files of the plant station that is indirectly related to the faulty primary equipment. , automatically downloaded and analyzed. Due to the complexity of the power grid system, when an equipment failure occurs, in order to better infer the evolution of cascading failures and conduct analysis and research on large-scale power outages, the archiving module needs to record the wave files (including but not limited to) associated with the failure. It is not limited to the recording files of the factory station directly related to the primary equipment) for intelligent archiving, downloading and analysis.

SUMMARY OF THE INVENTION

Based on the above situation in the prior art, the purpose of the embodiments of the present invention is to provide a fault recording file processing method and device based on the voltage level and area of the plant, so as to solve the problem of the fault archiving module in the prior art after the primary equipment fails. The problem that the fault recorder related to this fault cannot be quickly and intelligently archived, downloaded and analyzed.

In order to achieve the above object, according to one aspect of the present invention, a method for processing fault recording files based on the voltage level and area of a plant is provided, comprising the steps of:

Start the timing program, and obtain a list of fault packets that only contain line faults according to the start time of the timing program;

Obtain information related to the fault according to the fault packet list;

According to the fault-related information, call, archive and download the wave recording files that are directly related to the factory station and meet the time standard in priority;

According to the voltage level of the faulty plant, it is necessary to call, archive and download the wave recording files of the whole station;

According to the recorder file list in the fault archive report, call the recorder file processing and analysis system for analysis and processing and summarize the processing results into the analysis report.

Further, the fault-related information includes the fault time, the voltage level of the faulty plant and the name of the faulty primary equipment.

Further, according to the name of the equipment once the fault, the recorder files that are directly related to the factory station and meet the time standard are called, archived and downloaded first.

Further, the meeting the time standard includes a wave recording file whose wave recording time is within the first failure time.

Further, according to the judgment of the voltage level of the faulty plant, it is necessary to summon, archive and download the wave recording files of the whole station, including:

If the voltage level is less than or equal to 220kV, call, archive and download all the recording files whose recording time is within the second fault time in the area where the current plant is located;

If the voltage level is greater than 220kV, call, archive and download all the recording files of the whole station whose recording time is within the third fault time.

According to another aspect of the present invention, there is provided a fault recorder file processing device based on the voltage level and area of the plant, including:

The fault packet list acquisition module is used to start the timing program, and according to the start time of the timing program, obtain a list of fault packets that only contain line faults;

a fault information acquisition module, configured to acquire information related to the fault according to the fault packet list;

The wave recorder file acquisition module is used to call, archive and download the wave recorder files that are directly related to the factory station and meet the time standard according to the information related to the fault;

The fault judgment module is used to judge whether it is necessary to summon, archive and download the wave recording files of the whole station according to the voltage level of the faulty plant;

The fault processing and summarizing module is used to call the wave recording file processing and analysis system for analysis and processing according to the record wave file list in the fault archive report, and summarize the processing results into the analysis report.

Further, the fault-related information includes the fault time, the voltage level of the faulty plant and the name of the faulty primary equipment.

Further, the wave recording file acquisition module preferentially calls, archives and downloads wave recording files that are directly related to the factory site and meet the time standard according to the name of the equipment once the fault.

Further, the meeting the time standard includes a wave recording file whose wave recording time is within the first failure time.

Further, the fault judging module judges that it is necessary to call, archive and download the wave recording files of the whole station according to the voltage level of the faulty plant, including:

If the voltage level is less than or equal to 220kV, call, archive and download all the recording files whose recording time is within the second fault time in the area where the current plant is located;

If the voltage level is greater than 220kV, call, archive and download all the recording files of the whole station whose recording time is within the third fault time.

To sum up, the embodiments of the present invention provide a method and device for processing fault recording files based on the voltage level and area of the plant. The method includes the steps of: starting a timing program, and obtaining only A list of fault packets containing line faults; obtain information related to the fault according to the fault packet list; according to the fault-related information, prioritize calling, filing and downloading wave recording files that are directly related to the factory and meet the time standard ; According to the voltage level of the faulty plant, it is necessary to call, archive and download the wave recording files of the whole station; according to the wave recording file list in the fault filing report, call the wave recording file processing and analysis system for analysis and processing and summarize the processing results into the analysis report. In the technical scheme of the embodiment of the present invention, a comprehensive analysis is performed on the failure of primary equipment in the power grid based on the topology model information of the primary equipment, the voltage level of the plant, the area, and whether the wave recording file is to start the wave recording. The analysis result can be as follows: Experts from the Relay Protection Division infer the evolution of cascading failures and provide strong data support for the analysis of large-scale power outages, thereby providing security for the safe and stable operation of substations.

Description of drawings

FIG. 1 is a flowchart of a method for processing a fault recording file based on the voltage level and area of a plant according to an embodiment of the present invention.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the specific embodiments and the accompanying drawings. It should be understood that these descriptions are exemplary only and are not intended to limit the scope of the invention. Also, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concepts of the present invention.

The technical solutions of the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiment of the present invention provides a fault recording file processing method based on the voltage level and area of the power plant. FIG. 1 shows a flowchart of the method, including the following steps:

Start the timing program, which is executed once every 6 minutes and is dynamically adjustable, and obtains a list of fault packets that only contain line faults according to the start time of the timing program.

The information related to the fault is acquired according to the fault packet list, wherein the information related to the fault includes the fault time, the voltage level of the faulted plant and the name of the faulty primary equipment, and the like.

According to the name of the first-time failure equipment, the recorder files that are directly related to the factory station and meet the time standard are called, archived and downloaded first.

According to the voltage level of the faulty plant, it is necessary to call, archive and download the wave recording files of the whole station. Specifically include:

If the voltage level is less than or equal to 220kV, call, archive and download all the recording files whose recording time is within the second fault time in the area where the current plant is located;

If the voltage level is greater than 220kV, call, archive and download all the recording files of the whole station whose recording time is within the third fault time.

In this embodiment, the whole station refers to all the substations that have been connected in the master station. The Guarantee master station system is based on the type of the faulty primary equipment (specifically, the line in the embodiment of the present invention), the fault time, the topology model of the primary equipment, the voltage level of the plant, the area (in the unit of the city), and whether the recording file is the start of the recording. Based on other conditions, according to the information of the primary equipment topology model, the recorder files directly related to the factory station are preferentially archived and downloaded, and the recorder time is within the first fault time (for example, 2 minutes and dynamically adjustable); if the voltage If the voltage level is less than or equal to 220kV, it is necessary to summon, archive and download all the recorder files whose recording time is within the second fault time (for example, 3 minutes and dynamically adjustable) in the area where the current plant is located. If the voltage level is greater than 220kV , for example, 500kV, you need to summon, archive and download all the recorded wave files of the whole station whose wave recording time is within the third fault time (for example, 5 minutes and dynamically adjustable). In addition, the system also needs to determine whether the fault recording file is a startup recording, and the technical solution of the embodiment of the present invention does not call, archive and download the startup recording. Baoxin master station refers to the master station of relay protection fault information, which is used to collect and process information of various power secondary devices, use this information to analyze and deal with primary equipment failures, provide protection device status maintenance decisions, and provide relay protection operation and management services , is a monitoring and decision-making system serving the operation and management of relay protection. Regions refer to areas with prefectures and cities as units. Taking Henan Province as an example, there are 23 regions in total, including Xinxiang Power Supply Company, Zhumadian Power Supply Company, and Xuchang Power Supply Company.

According to the wave recording file list in the fault filing report, call the wave recording file processing and analysis system for analysis and processing. In this embodiment, for example, the i-processorSystem analysis system is used, and the processing results are summarized in the analysis report. The system analyzes the power COMTRADE File, the system configuration information and recorded wave data information in the file are analyzed by the analysis engine of the system, and displayed to the user as waveform or formatted data to assist the user in fault location and waveform analysis.

According to another embodiment of the present invention, there is provided a fault recorder file processing device based on the voltage level and area of the plant, including:

The fault packet list acquisition module is used to start the timing program, and according to the start time of the timing program, obtain a list of fault packets that only contain line faults;

a fault information acquisition module, configured to acquire information related to the fault according to the fault packet list;

The wave recorder file acquisition module is used to call, archive and download the wave recorder files that are directly related to the factory station and meet the time standard according to the information related to the fault;

The fault judgment module is used to judge whether it is necessary to summon, archive and download the wave recording files of the whole station according to the voltage level of the faulty plant;

The fault processing and summarizing module is used to call the wave recording file processing and analysis system for analysis and processing according to the record wave file list in the fault archive report, and summarize the processing results into the analysis report.

The process of each module in the device for processing a fault recording file based on the voltage level and area of the plant in the embodiment of the present invention is the same as the steps in the above-mentioned method for processing a fault recording file based on the voltage level and area of the plant. No longer.

To sum up, the embodiments of the present invention relate to a method and device for processing a fault recording file based on the voltage level and area of a plant. The method includes the steps of: starting a timing program, and according to the start time of the timing program, obtaining only A list of fault packets of line faults; obtain information related to the fault according to the fault packet list; according to the fault-related information, call, archive and download the wave recording files that are directly related to the factory station and meet the time standard in priority; According to the voltage level of the faulty plant, it is necessary to call, archive and download the wave recording files of the whole station; according to the wave recording file list in the fault filing report, call the wave recording file processing and analysis system for analysis and processing and summarize the processing results into in the analysis report. In the technical scheme of the embodiment of the present invention, a comprehensive analysis is performed on the failure of primary equipment in the power grid based on the topology model information of the primary equipment, the voltage level of the plant, the area, and whether the wave recording file is to start the wave recording. The analysis result can be as follows: Experts from the Relay Protection Division infer the evolution of cascading failures and provide strong data support for the analysis of large-scale power outages, thereby providing security for the safe and stable operation of substations.

It should be understood that the above-mentioned specific embodiments of the present invention are only used to illustrate or explain the principle of the present invention, but not to limit the present invention. Therefore, any modifications, equivalent replacements, improvements, etc. made without departing from the spirit and scope of the present invention should be included within the protection scope of the present invention. Furthermore, the appended claims of this invention are intended to cover all changes and modifications that fall within the scope and boundaries of the appended claims, or the equivalents of such scope and boundaries.

Claims (10)

1. A fault recording file processing method based on station voltage grade and area is characterized by comprising the following steps:

starting a timing program, and acquiring a fault packet list only containing line faults according to the starting time of the timing program;

acquiring information related to the fault according to the fault packet list;

according to the information related to the fault, a recording file which is directly related to a station and meets a time standard is called, filed and downloaded preferentially;

according to the voltage grade of the fault station, calling, archiving and downloading a wave recording file of the whole station;

and calling a wave recording file processing and analyzing system to analyze and process according to a wave recording file list in the fault filing report and summarizing a processing result into an analysis report.

2. The method according to claim 1, characterized in that the fault related information comprises time of fault, fault station voltage class and fault primary device name.

3. The method of claim 2, wherein the recording file directly associated with the plant site and meeting the time criteria is preferentially summoned, archived and downloaded based on the failed primary device name.

4. The method of claim 3, wherein the meeting the time criteria comprises a recording file having a recording time within a first failure time.

5. The method of claim 4, wherein the judging according to the voltage level of the fault station is that a wave recording file of the whole station needs to be summoned, filed and downloaded, and comprises the following steps:

if the voltage level is less than or equal to 220kV, calling, filing and downloading all wave recording files of which the wave recording time is within the second fault time in the area where the current station is located;

and if the voltage level is higher than 220kV, calling, filing and downloading all wave recording files with the wave recording time within the third fault time.

6. A fault recording file processing device based on station voltage grade and area is characterized by comprising:

the fault packet list acquisition module is used for starting a timing program and acquiring a fault packet list only containing line faults according to the starting time of the timing program;

the fault information acquisition module is used for acquiring the information related to the fault according to the fault packet list;

the recording file acquisition module is used for calling, filing and downloading the recording file which is directly associated with the plant station and meets the time standard according to the information related to the fault preferentially;

the fault judgment module is used for judging whether the recording file of the whole station needs to be called, filed and downloaded according to the voltage grade of the fault station;

and the fault processing and summarizing module is used for calling the wave recording file processing and analyzing system to analyze and process according to the wave recording file list in the fault filing report and summarizing the processing result into the analysis report.

7. The apparatus according to claim 6, wherein the fault related information comprises time of fault, voltage class of faulty station and name of faulty primary device.

8. The apparatus of claim 7, wherein the recording file obtaining module is configured to call, file, and download the recording file that is directly associated with the station and meets the time standard according to the name of the failed primary device.

9. The apparatus of claim 8, wherein the meeting time criteria comprises a recording file having a recording time within a first failure time.

10. The method of claim 9, wherein the fault determination module determines whether the recording file of the total station needs to be called, filed and downloaded according to the voltage level of the fault station, and the method comprises:

if the voltage level is less than or equal to 220kV, calling, filing and downloading all wave recording files of which the wave recording time is within the second fault time in the area where the current station is located;

and if the voltage level is higher than 220kV, calling, filing and downloading all wave recording files with the wave recording time within the third fault time.

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