CN115684807A - Relay protection device defect detection method and system based on intelligent wave recorder - Google Patents
Relay protection device defect detection method and system based on intelligent wave recorder Download PDFInfo
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Abstract
The application provides a relay protection device defect detection method and system based on an intelligent oscillograph, wherein the method comprises the following steps: generating fault characteristic data of the relay protection device according to the intelligent substation equipment data; storing the defect characteristic data of the relay protection device into a database; determining functional indexes of the equipment to be detected and the equipment to be detected according to the defect detection task; matching the defect characteristic data of the relay protection device associated with the equipment to be detected in a database according to the equipment to be detected and the functional indexes of the equipment to be detected; according to the equipment to be detected and the functional indexes of the equipment to be detected, calling the data of the equipment to be detected through an intelligent oscillograph management unit; and generating a defect report by performing defect analysis on the data of the equipment to be detected and the defect characteristic data of the relay protection device. The problems that the relay protection device is low in defect detection efficiency and high in maintenance cost are solved.
Description
Technical Field
The application relates to the field of relay protection, in particular to a method and a system for detecting defects of a relay protection device based on an intelligent oscillograph.
Background
The relay protection device is important equipment for protecting the safety of a power grid, and when the equipment has defects, the condition that the safety of the power grid is influenced due to the loss of a protection function can occur, so that the defect detection of the relay protection device is an important work in power operation and detection. Common methods of defect detection are routine inspection and periodic inspection. At present, unattended operation of a transformer substation is gradually realized, daily inspection work is reduced, the periodic inspection work interval period is long, and the defects of the relay protection device cannot be found and processed in time.
The fault detection of the relay protection device can be performed by checking the running state information of the intelligent electronic device to obtain self-checking information, and the self-checking information can only reflect the working abnormal state of a certain element, so that the fault possibly caused by the abnormal element still needs to be detected manually and deeply. Because the number of elements is large, the information amount is large, the dispersion degree is high, the interference to detection personnel is easy to cause, and the requirement on personal experience and professional level for carrying out defect analysis is also high. The artificial defect detection efficiency is low, and the maintenance success is high.
Disclosure of Invention
The application provides a relay protection device defect detection method and system based on an intelligent oscillograph, which improve defect detection efficiency and reduce maintenance cost.
On the one hand, the application provides a relay protection device defect detection method based on an intelligent oscillograph, which comprises the following steps:
acquiring equipment data of an intelligent substation;
generating fault characteristic data of a relay protection device according to the intelligent substation equipment data;
storing the fault characteristic data of the relay protection device into a database;
determining functional indexes of the equipment to be detected and the equipment to be detected according to the defect detection task;
matching the defect characteristic data of the relay protection device associated with the equipment to be detected in a database according to the equipment to be detected and the functional indexes of the equipment to be detected;
according to the equipment to be detected and the functional indexes of the equipment to be detected, data of the equipment to be detected are called through an intelligent oscillograph management unit;
and generating a defect report by performing defect analysis on the data of the equipment to be detected and the defect characteristic data of the relay protection device.
Optionally, the method for acquiring the data of the intelligent substation device includes:
the method comprises the steps that a power dispatching data network is connected with a smart power grid dispatching control system to obtain a main wiring model;
the method comprises the steps that a total station system configuration file management and control system is connected through a power dispatching data network to obtain a total station system configuration file;
analyzing the obtained configuration file of the total station system to generate a configuration file model of the total station system;
the intelligent recorder management unit is connected through a power dispatching data network, and configuration data and state data of local equipment are further called from a process layer network and a station control layer network.
Optionally, the configuration data includes a fixed value file, an archive file, an intelligent electronic device instance configuration file, an intelligent electronic device secondary circuit instance configuration file, and a switch configuration description file; the state data comprises fault wave files, state files, alarm files and inspection reports.
Optionally, the generating of the characteristic data of the fault of the relay protection device includes:
classifying the data of the intelligent substation to obtain classified data;
and generating the defect characteristic data of the relay protection device according to the classified data.
Optionally, the classification data includes structured data, semi-structured data, and unstructured data;
the structured data is generated or manually input data according to a data template of a defect detection module of the relay protection intelligent patrol maintenance management system;
the semi-structured data are model data, configuration data and state data of the intelligent substation;
the unstructured data are scheduled inspection records, defect elimination records, anti-accident measures, device specifications and operation and maintenance manuals.
Optionally, the method for generating the fault feature data of the relay protection device according to the classified data includes:
extracting entity, relation and attribute information from the semi-structured data and the unstructured data;
generating structured data according to the extracted entity, relationship and attribute information;
and processing the data according to the entity relationship in the structured data to obtain the defect characteristic data of the relay protection device.
Optionally, generating structured data according to the extracted entity, relationship, and attribute information includes:
distinguishing the entity information with the same name through additional relation and attributes;
matching information of a plurality of names referring to the same entity;
and matching the information of the same attribute which is referred by different names of different data sources, and combining different attributes of the same entity.
Optionally, the data processing includes:
calculating the similarity according to the entity relationship, and judging whether the entity relationship is of the same type;
judging the membership between the entities according to the superior-subordinate relationship of the entities;
and clustering the structured data according to the entity relationship.
Optionally, the performing defect analysis on the data of the device to be detected and the defect characteristic data of the relay protection device includes:
performing fault characteristic analysis according to the alarm information of the equipment to be detected, and preliminarily determining a fault range;
comparing the configuration data of the equipment to be detected with the total station system configuration file model, and judging whether the alarm information is correct or not;
if the alarm information is correct, judging whether the configuration information of the equipment to be detected is correct;
judging whether the intelligent electronic equipment with the same signal input source as the equipment to be detected has a fault or not according to the fault characteristic data of the relay protection device;
if the intelligent electronic equipment with the same signal input source as the equipment to be detected fails, performing fault characteristic analysis on the intelligent electronic equipment;
judging whether the intelligent electronic equipment with the same loop logic node as the equipment to be detected has a fault or not according to the fault characteristic data of the relay protection device;
and if the intelligent electronic equipment with the same loop logic node as the equipment to be detected fails, performing fault characteristic analysis on the intelligent electronic equipment.
On the other hand, this application provides a relay protection device defect detecting system based on intelligence oscillograph, includes: the system comprises a database, a task unit and a defect detection unit;
the database is used for storing the defect characteristic data of the relay protection device;
the task unit is used for acquiring a defect detection task;
the defect detection unit is configured to:
acquiring equipment data of an intelligent substation;
generating fault characteristic data of the relay protection device according to the intelligent substation equipment data;
storing the defect characteristic data of the relay protection device into a database;
determining functional indexes of the equipment to be detected and the equipment to be detected according to the defect detection task;
matching the defect characteristic data of the relay protection device associated with the equipment to be detected in a database according to the equipment to be detected and the functional indexes of the equipment to be detected;
according to the equipment to be detected and the functional indexes of the equipment to be detected, data of the equipment to be detected are called through an intelligent oscillograph management unit;
and generating a defect report by performing defect analysis on the data of the equipment to be detected and the defect characteristic data of the relay protection device.
According to the technical scheme, the application provides a relay protection device defect detection method and system based on an intelligent oscillograph, and the method comprises the following steps: generating fault characteristic data of a relay protection device according to the intelligent substation equipment data; storing the defect characteristic data of the relay protection device into a database; determining functional indexes of the equipment to be detected and the equipment to be detected according to the defect detection task; matching the defect characteristic data of the relay protection device associated with the equipment to be detected in a database according to the equipment to be detected and the functional indexes of the equipment to be detected; according to the equipment to be detected and the functional indexes of the equipment to be detected, calling the data of the equipment to be detected through an intelligent oscillograph management unit; and generating a defect report by performing defect analysis on the data of the equipment to be detected and the defect characteristic data of the relay protection device. The problems that the relay protection device is low in defect detection efficiency and high in maintenance cost are solved.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram of a fault detection process of a relay protection device according to an embodiment of the present application;
fig. 2 is a schematic diagram of an intelligent substation data acquisition scheme provided in an embodiment of the present application;
FIG. 3 is a relay according to an embodiment of the present application and analyzing the defect characteristics of the protection device.
Detailed Description
In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In order to make the technical field better understand the scheme of the present application, the following detailed description is provided in conjunction with the accompanying drawings and embodiments.
The relay protection device is an important device for protecting the safety of a power grid. When the equipment has defects, the situation that the safety of a power grid is influenced due to the loss of a protection function can occur, so that the defect detection of the relay protection device is very important work in power operation and detection. In some embodiments, common methods of defect detection are routine inspection and periodic inspection. However, as the transformer substation is gradually unattended, the daily inspection work is reduced, and the periodic inspection work interval period is long, the defects of the relay protection device are difficult to find and process in time.
The fault inspection of the relay protection device can be performed by checking the running state information of the intelligent electronic device to obtain self-checking information, and the self-checking information can only reflect the working abnormal state of a certain element, and the fault possibly caused by the abnormal element still needs to be detected manually. Because the number of elements is large, the information amount is large, the dispersion degree is high, the interference to detection personnel is easy to cause, and the requirement on personal experience and professional level for carrying out defect analysis is also high. The manual defect detection efficiency is low, and the maintenance cost is high.
In order to solve the problems of low efficiency of artificial defect detection and high maintenance cost, referring to fig. 1, an embodiment of the present invention provides a method for detecting defects of a relay protection device, including:
s10: acquiring equipment data of an intelligent substation;
as shown in fig. 2, fig. 2 is a schematic diagram of a data acquisition scheme of an intelligent substation device according to an embodiment of the present application.
The intelligent substation equipment data mainly includes: model data, configuration data, state data.
Wherein the model data mainly comprises a main wiring model and a total Station Configuration Description (SCD) model,
in some embodiments, the main wiring model is connected with a smart grid dispatching control system (D5000 platform) through a power dispatching data network, and the main wiring model is obtained. In this embodiment, the model data may obtain and update the main wiring model through an interface of a smart grid dispatching control system (D5000 platform) of a defect detection module of the relay protection smart patrol maintenance management system;
in some embodiments, in the case of not having a connection with the smart grid dispatching control system (D5000 platform), a graphic drawing tool may be used to draw according to the main wiring diagram in the archived data with controlled version, and generate the main wiring model after drawing. The main wiring model is mainly used for reflecting the operation mode of the primary system of the transformer substation and visually displaying fault conditions of buses, lines and main transformer equipment.
The SCD model mainly obtains an SCD file through an SCD management and control system interface of a relay protection intelligent patrol maintenance management system defect detection module; and analyzing the obtained SCD file to generate an SCD model.
In some embodiments, the SCD model is generated after the SCD file is parsed for the SCD file in the archive material whose version is controlled and which is not built with the SCD control system. The SCD model is mainly used for reflecting capability description of Intelligent Electronic Devices (IEDs) of the substation secondary system and logical relationships among the IED devices.
The configuration data is obtained by calling a configuration file of the IED device stored locally in the intelligent recorder, or sending a request to the specified IED device through the intelligent recorder, so as to obtain the current running configuration file of the device.
In some embodiments, the obtained configuration file mainly includes a fixed value file, an archive file, a Configured IED instance configuration file (CID), a Configured Circuit instance configuration file (CCD), and a Switch configuration Description file (CSD).
The fixed value file is used for checking whether fixed value parameters and operation fixed value intervals of the relay protection device and the intelligent oscillograph acquisition unit are consistent with standard values or not. The archive file is used for checking whether the device models, system version numbers, program check codes and the like of the relay protection device and the intelligent recorder acquisition unit are consistent with standard values. The CID file, the CCD file and the CSD file are used for comparing with the SCD model so as to check whether each IED device correctly installs a corresponding configuration file according to the SCD file.
In some embodiments, the status data includes fault wave files, status files, alarm files, patrol reports.
The fault wave file can acquire a locally stored fault wave recording file through the intelligent wave recorder, and can also transfer a historical fault wave recording file in a specified time period to the intelligent wave recorder acquisition unit or the relay protection device through the intelligent wave recorder management unit. The fault wave file can be used for analyzing the power grid fault condition.
The state file and the alarm file can be obtained by calling an intelligent recorder, and the state file and the alarm file of the equipment can be obtained by sending a request to the appointed IED equipment through the intelligent recorder.
The patrol report can be obtained by sending a request to the calling intelligent recorder at regular time. And the daily inspection report is used for reflecting the operation state and abnormal alarm condition of the IED equipment of the substation inspected by the intelligent oscillograph management unit in the previous day.
S20: generating fault characteristic data of the relay protection device according to the intelligent substation equipment data;
classifying the intelligent substation data to obtain classified data;
the classification data comprises structured data, semi-structured data and unstructured data.
The structured data is generated or manually input data according to a data template of a defect detection module of the relay protection intelligent patrol maintenance management system; the semi-structured data are model data, configuration data and state data of the intelligent substation; the unstructured data are scheduled inspection records, defect elimination records, anti-accident measures, device specifications and operation and maintenance manuals.
The structured data contains entity information, relation information and attribute information required by defect analysis, and can be directly used.
Wherein the entity information at least comprises: devices, elements, logical nodes, models, information, defects, operations;
the relationship information includes at least: device dependency with device, element, logical node; the logical node, the state information and the alarm information are in the subordinate relationship; the connection relation between the logic nodes; risk relationship of operation and defect.
The attribute information includes at least: the names, models, configurations, versions, manufacturers, commissioning dates, etc. of the devices and components; the file name, format, version and generation date of the model and the information; characteristics, type, cause, grade, treatment scheme of the defect; type, period, risk of personnel activity.
The entity information, relationship information and attribute information in the semi-structured data and the unstructured data are incomplete, and the semi-structured data and the unstructured data need to be subjected to data processing to obtain usable structured data.
In some embodiments, entity information with the same name may be distinguished by additional relationships, for example, relay protection devices with different models, manufacturers and uses have great differences in operation principle and configuration, so that they are distinguished by relationships and attributes.
Information of different names referring to the same entity is integrated, for example, in the regular check record and the defect elimination record of unstructured data, descriptions such as "XX relay protection device", "XX protection device", and "XX protection" may appear due to the randomness of descriptions of recording personnel, but the entities refer to the "XX relay protection device", and information of the entities can be integrated to perfect information of the entities.
Matching the same attribute with different names but different names of different data sources, and combining different attributes of the same entity. For example, the "commissioning date" of a device is described as "commissioning date" in record a and "commissioning time" in record B, and the records a and B are described in the same meaning, though they do not coincide with each other, and are merged.
After the semi-structured data and the unstructured data are perfected, the usable structured data can be obtained.
And carrying out data processing on the structured data to obtain the defect characteristic data of the relay protection device.
In some embodiments, first, entity information in the structured data is extracted, and whether entities belong to the same type is calculated according to the entity information, for example, a relay protection device and a merging unit have many relationships and attributes of the same type, branch nodes on the same layer are found in an SCD model, and can be classified into IED classifications; the relay protection device and the logic node are obviously different from each other in the same layer and cannot be classified into the same type.
According to the entity information, the membership between the entities is calculated, for example, a 'constant value file' belongs to a 'configuration file'.
And clustering the structured data according to the entity relationship to obtain the defect characteristic data of the relay protection device.
S30: storing the characteristic data of the relay protection device in a database;
in the defect detection process, the defect detection can be quickly realized by matching the corresponding relay protection device defect characteristic data through the database.
S40: determining functional indexes of the equipment to be detected and the equipment to be detected according to the defect detection task;
in some embodiments, the task sources for defect detection are mainly three: periodic inspection, specified equipment detection and special detection plan.
The periodic inspection is daily detection of the accessed intelligent substation relay protection device automatically initiated by the system.
The detection of the designated equipment is divided into two types of system automatic triggering and user manual triggering. The system automatic triggering is that the system automatically carries out defect detection on the equipment after receiving real-time alarm information of the relay protection device; the manual triggering of the user is to detect the defects of the relay protection device according to the requirements of the user.
The special detection plan is triggered manually by a user and can detect a certain functional index of the relay protection device in a specified range.
S50: analyzing the defects of the equipment to be detected to generate a defect report;
matching the defect characteristic data of the relay protection device associated with the equipment to be detected in a database according to the equipment to be detected and the functional indexes of the equipment to be detected;
according to the functional indexes of the equipment to be detected and the equipment to be detected, calling the data of the equipment to be detected through an intelligent oscillograph management unit;
and analyzing the defects through the detection equipment data and the characteristic data of the defects of the relay protection device to generate a defect report.
In some embodiments, fault characteristic analysis is carried out according to the alarm information of the equipment to be detected, and a fault range is preliminarily determined;
comparing the configuration data of the equipment to be detected with a total station system configuration file model, and judging whether the alarm information is correct or not;
if the alarm information is correct, judging whether the configuration information of the equipment to be detected is correct;
judging whether the intelligent electronic equipment with the same signal input source as the equipment to be detected has a fault or not according to the fault characteristic data of the relay protection device; if the intelligent electronic equipment with the same signal input source as the equipment to be detected fails, performing fault characteristic analysis on the intelligent electronic equipment;
judging whether the intelligent electronic equipment with the same loop logic node as the equipment to be detected has a fault or not according to the fault characteristic data of the relay protection device; if the intelligent electronic equipment with the same loop logic node as the equipment to be detected fails, then the intelligent electronic device is subjected to fault feature analysis.
In some embodiments, as shown in fig. 3, for the example diagram for analyzing the defects of the relay protection device provided by the present application, the intelligent relay protection patrol management system receives SV chain breakage warning information sent by a relay protection device a in a certain line, and also receives a large amount of other types of warning information, and performs priority processing on SV chain breakage warning information according to a defect level priority principle.
And calling the alarm information and the configuration file of the set A of relay protection devices according to the SV broken link defect characteristic data, and simultaneously matching the alarm information of the equipment associated with the set A of relay protection devices.
And (3) carrying out fault analysis on the alarm information of the A set of relay protection device, and sending alarm information such as device alarm, protection function locking, optical port fault and the like besides SV broken link total alarm.
The working voltage out-of-limit alarm of the device is not detected, and the possibility of power loss of the device or power supply plug-in failure is eliminated; if the temperature out-of-limit alarm is not detected, the possibility of the faults of the CPU plug-in of the device is eliminated; the abnormal state alarm of the pressing plate is not detected, and the possibility that the soft pressing plate is abnormally withdrawn due to the software fault of the device is eliminated; and detecting that the optical port of the optical port plug-in sends an optical intensity alarm received by the optical port of the process layer. And meanwhile, SV chain breakage total alarm, device alarm and protection function locking can be chain alarm caused by optical port faults. And the optical port fault of the optical port plug-in of the A set of relay protection device is preliminarily determined through fault characteristic analysis.
And (4) checking other fault reasons causing chain breakage of the set A of relay protection devices SV. Calling a configuration file of the set A of relay protection devices to be compared with the SCD model, if the comparison result is consistent, a CCD version alarm or a virtual terminal version alarm is not found, and the possibility of inconsistency of the configuration file is eliminated; and calling alarm information of a B set of relay protection device, a measurement and control device and a fault recording acquisition unit which are same as the A set of relay protection device, and if the SV broken link total alarm sent by the above devices is not detected, eliminating the fault of the merging unit and the fault of the switch.
A set of relay protection device is arranged at the tail end of the SV acquisition logic loop and is connected with a switch and a merging unit. And calling the switch and the merging unit in the same loop, wherein the SV link breakage total alarm, the device fault alarm and the light intensity alarm sent by the optical port of the process layer are not detected, the device alarm of the switch, the light intensity alarm sent by the optical port of the process layer and the light intensity alarm received by the optical port of the process layer are not detected, the optical fiber channel fault alarms sent by the A set of relay protection device, the merging unit and the switch are not detected, and the device fault, the switch fault and the optical fiber fault of the merging unit are eliminated.
And generating a defect report, wherein the optical port of the optical port plug-in of the A set of relay protection device fails, and the optical port of the optical port plug-in of the relay protection device is a detachable optical port module according to an operation and maintenance manual, and the optical port module is recommended to be replaced.
In some embodiments, the present application further provides a relay protection device defect detection system based on an intelligent oscillograph, including: the system comprises a database, a task unit and a defect detection unit; the database is used for storing the defect characteristic data of the relay protection device; the task unit is used for acquiring a defect detection task; the defect detection unit is used for executing the following program steps:
s10: acquiring equipment data of an intelligent substation;
s20: generating fault characteristic data of the relay protection device according to the intelligent substation equipment data;
s30: storing the defect characteristic data of the relay protection device into a database;
s40: determining the functional indexes of the equipment to be detected and the equipment to be detected according to the defect detection task;
s50: analyzing the defects of the equipment to be detected to generate a defect report;
matching the fault characteristic data of the relay protection device associated with the equipment to be detected in a database according to the equipment to be detected and the functional indexes of the equipment to be detected;
according to the equipment to be detected and the functional indexes of the equipment to be detected, calling the data of the equipment to be detected through an intelligent oscillograph management unit;
and generating a defect report by performing defect analysis on the data of the equipment to be detected and the defect characteristic data of the relay protection device.
According to the technical scheme, the application provides a relay protection device defect detection method and system based on an intelligent oscillograph, and the method comprises the following steps: generating fault characteristic data of the relay protection device according to the intelligent substation equipment data; storing the defect characteristic data of the relay protection device into a database; determining the functional indexes of the equipment to be detected and the equipment to be detected according to the defect detection task; matching the fault characteristic data of the relay protection device associated with the equipment to be detected in the database according to the equipment to be detected and the functional indexes of the equipment to be detected; according to the equipment to be detected and the functional indexes of the equipment to be detected, data of the equipment to be detected are called through an intelligent oscillograph management unit; and generating a defect report by analyzing the defect of the equipment data to be detected and the defect characteristic data of the relay protection device. The problems that the relay protection device is low in defect detection efficiency and high in maintenance cost are solved.
The embodiments provided in the present application are only a few examples of the general concept of the present application, and do not limit the scope of the present application. Any other embodiments that can be extended by the solution according to the present application without inventive efforts will be within the scope of protection of the present application for a person skilled in the art.
Claims (10)
1. A relay protection device defect detection method based on an intelligent oscillograph is characterized by comprising the following steps:
acquiring equipment data of an intelligent substation;
generating fault characteristic data of a relay protection device according to the intelligent substation equipment data;
storing the fault characteristic data of the relay protection device into a database;
determining functional indexes of the equipment to be detected and the equipment to be detected according to the defect detection task;
matching the defect characteristic data of the relay protection device associated with the equipment to be detected in a database according to the equipment to be detected and the functional indexes of the equipment to be detected;
according to the equipment to be detected and the functional indexes of the equipment to be detected, data of the equipment to be detected are called through an intelligent oscillograph management unit;
and generating a defect report by performing defect analysis on the data of the equipment to be detected and the defect characteristic data of the relay protection device.
2. The method of claim 1, wherein the method of obtaining intelligent substation device data comprises:
the method comprises the steps that a power dispatching data network is connected with a smart power grid dispatching control system to obtain a main wiring model;
the method comprises the steps that a total station system configuration file management and control system is connected through a power dispatching data network to obtain a total station system configuration file;
analyzing the obtained configuration file of the total station system to generate a configuration file model of the total station system;
the intelligent recorder management unit is connected through a power dispatching data network, and configuration data and state data of local equipment are further called from a process layer network and a station control layer network.
3. The method of claim 2, wherein the configuration data comprises a profile, an archive, an intelligent electronic device instance profile, an intelligent electronic device secondary loop instance profile, a switch configuration description; the state data comprises fault wave files, state files, alarm files and inspection reports.
4. The method of claim 1, wherein generating relay protection device fault signature data comprises:
classifying the data of the intelligent substation to obtain classified data;
and generating the defect characteristic data of the relay protection device according to the classified data.
5. The method of claim 4, wherein the classification data comprises structured data, semi-structured data, unstructured data;
the structured data is generated according to a data template of a defect detection module of the relay protection intelligent patrol and maintenance management system or manually input data;
the semi-structured data are model data, configuration data and state data of the intelligent substation;
the unstructured data are scheduled inspection records, defect elimination records, anti-accident measures, device specifications and operation and maintenance manuals.
6. The method of claim 5, wherein the method for generating the defect feature data of the relay protection device according to the classification data comprises:
extracting entity information, relationship information and attribute information from the semi-structured data and the unstructured data;
generating structured data according to the extracted entity information, relationship information and attribute information;
and processing the data according to the entity relationship in the structured data to obtain the defect characteristic data of the relay protection device.
7. The method of claim 6, wherein generating structured data from the extracted entity information, relationship information, and attribute information comprises:
distinguishing the entity information with the same name through additional relation and attributes;
matching information of a plurality of names referring to the same entity;
and matching the information of the same attribute with different names but different names of different data sources, and merging different attributes of the same entity.
8. The method of claim 6, wherein the data processing comprises:
calculating the similarity according to the entity relationship, and judging whether the entity relationship is of the same type;
judging the membership between the entities according to the superior-subordinate relationship of the entities;
and clustering the structured data according to the entity relationship.
9. The method according to claim 1, wherein the analyzing the defect of the equipment data to be detected and the defect characteristic data of the relay protection device by the defect analysis comprises:
performing fault characteristic analysis according to the alarm information of the equipment to be detected, and preliminarily determining a fault range;
comparing the configuration data of the equipment to be detected with a total station system configuration file model, and judging whether the alarm information is correct or not;
if the alarm information is correct, judging whether the configuration information of the equipment to be detected is correct;
according to the defect characteristic data of the relay protection device, judging whether the intelligent electronic equipment with the same signal input source as the equipment to be detected has a fault;
if the intelligent electronic equipment with the same signal input source as the equipment to be detected fails, performing fault characteristic analysis on the intelligent electronic equipment;
judging whether the intelligent electronic equipment with the same loop logic node as the equipment to be detected has a fault or not according to the fault characteristic data of the relay protection device;
and if the intelligent electronic equipment with the same loop logic node as the equipment to be detected fails, performing fault characteristic analysis on the intelligent electronic equipment.
10. The utility model provides a relay protection device defect detecting system based on intelligence oscillograph which characterized in that includes: the system comprises a database, a task unit and a defect detection unit;
the database is used for storing the defect characteristic data of the relay protection device;
the task unit is used for acquiring a defect detection task;
the defect detection unit is configured to:
acquiring equipment data of an intelligent substation;
generating fault characteristic data of a relay protection device according to the intelligent substation equipment data;
storing the fault characteristic data of the relay protection device into a database;
determining the functional indexes of the equipment to be detected and the equipment to be detected according to the defect detection task;
matching the defect characteristic data of the relay protection device associated with the equipment to be detected in a database according to the equipment to be detected and the functional indexes of the equipment to be detected;
according to the equipment to be detected and the functional indexes of the equipment to be detected, data of the equipment to be detected are called through an intelligent oscillograph management unit;
and analyzing the defects of the equipment data to be detected and the characteristic data of the defects of the relay protection device to generate a defect report.
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| CN202211401046.5A CN115684807A (en) | 2022-11-09 | 2022-11-09 | Relay protection device defect detection method and system based on intelligent wave recorder |
| PCT/CN2023/121453 WO2024098986A1 (en) | 2022-11-09 | 2023-09-26 | Relay protection apparatus defect detection method and system based on intelligent oscillograph |
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| CN202211401046.5A CN115684807A (en) | 2022-11-09 | 2022-11-09 | Relay protection device defect detection method and system based on intelligent wave recorder |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2024098986A1 (en) * | 2022-11-09 | 2024-05-16 | 云南电网有限责任公司普洱供电局 | Relay protection apparatus defect detection method and system based on intelligent oscillograph |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103117602A (en) * | 2013-03-11 | 2013-05-22 | 辽宁省电力有限公司 | Method for automatically reporting composite accidents in relay protection intelligence online running management system |
| CN105470935B (en) * | 2015-12-31 | 2018-02-13 | 国网浙江省电力公司 | A kind of intelligent substation relay protection device defect security isolation aid decision-making method |
| CN106101173A (en) * | 2016-05-26 | 2016-11-09 | 南京国电南自电网自动化有限公司 | Relay protection device on-line monitoring information file transfer method based on file service |
| CN109102210A (en) * | 2018-09-14 | 2018-12-28 | 国网江苏省电力有限公司镇江供电分公司 | Monitoring defect based on big data analysis technology intelligently assists disposal system |
| CN112287176A (en) * | 2020-09-27 | 2021-01-29 | 国家电网有限公司 | Method for building defect troubleshooting training platform of secondary system of intelligent station and training method |
| CN113420409B (en) * | 2021-05-17 | 2022-12-20 | 云南电网有限责任公司 | Relay protection device operation state prediction method based on deep learning |
| CN115684807A (en) * | 2022-11-09 | 2023-02-03 | 云南电网有限责任公司普洱供电局 | Relay protection device defect detection method and system based on intelligent wave recorder |
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| WO2024098986A1 (en) * | 2022-11-09 | 2024-05-16 | 云南电网有限责任公司普洱供电局 | Relay protection apparatus defect detection method and system based on intelligent oscillograph |
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