CN116738496A - Checking method and system for ICD model of relay protection device of transformer substation - Google Patents
Checking method and system for ICD model of relay protection device of transformer substation Download PDFInfo
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Abstract
The application discloses a checking method and a checking system for an ICD model of a relay protection device of a transformer substation, wherein the method comprises the following steps: extracting key information of the professional-detected qualified icd file, acquiring key information of the scd file, and checking whether the professional-detected qualified icd file and the scd file are homologous or not; if the professional detection is qualified, the cid file and the scd file are homologous, connecting a testing tool with the relay protection device, acquiring the cid file of the relay protection device, extracting key information of the cid file, and checking whether the cid file of the relay protection device and the scd file are homologous or not; if the cid file of the relay protection device is homologous to the scd file, detecting whether the cid file of the relay protection device is homologous to the professional detected qualified cid file, and if the cid file of the relay protection device is homologous to the professional detected qualified cid file, detecting whether the ccd file is homologous to the scd file; if the ccd file is homologous to the scd file, whether all relay protection devices are detected is confirmed.
Description
Technical Field
The application relates to the technical field of relay protection of power systems, in particular to a checking method and system of an ICD (interface control unit) model of a substation relay protection device.
Background
The relay protection device is important equipment in the power system, and the stability and reliability of operation of the relay protection device are the basis for guaranteeing the safe and stable operation of the power grid. The intelligent substation widely adopts IEC61850 standard to communicate, and ICD, SCD, CID, CCD and other model configuration files are the basis for realizing IEC61850 communication, and whether the configuration files are standard, complete and correct directly influence the safe operation and the interoperation function of the equipment. The ICD file is a device capability description file, the SCD file is a total station configuration description file, the CID file is a device instance configuration file, and the CCD file is a loop instance configuration file. In practical engineering application, a transformer station is formed by a plurality of intelligent devices, and SCD model files are integrated by ICD model files of the intelligent devices and added with engineering configuration information. Finally, the SCD derives CID, and the CCD file generating device is configured and downloaded to the actual device for application after validation.
For modeling of standard IEC61850 equipment, a great amount of general model standards and standardized design specifications about equipment functional units, data templates and information normalization are formulated by a power user on the basis of IEC61850 standard grammar, basic logic nodes and common data types and combined with engineering application experience, meanwhile, an ICD file of a relay protection device which is accessed to the network is detected, the design unit is required to develop design according to the ICD file version which is qualified and released by the detection, and the ICD file version which is qualified and released by the detection is adopted by new construction and transformation engineering.
In the whole engineering model configuration and application flow, ICD file contents are often changed by configuration personnel at will in the engineering configuration process, the information of version number can be modified at will by personnel through a management and control mode of updating version number, and an actual commissioned relay protection device information model is inconsistent with the ICD file contents qualified in detection; in addition, in the process of intelligent substation construction and debugging, the SCD file is often changed in a plurality of versions due to various working conditions on site, and the final SCD file version is difficult to confirm. The problems can cause the configuration file error of the field device, so that the problems of abnormal operation, communication abnormality, incorrect functional response and the like of the secondary equipment are caused, and hidden danger is brought to the safe and stable operation of the relay protection device.
Disclosure of Invention
According to the checking method and system of the ICD model of the relay protection device of the square transformer substation, the technical problems that in the prior art, errors of a field device configuration file are caused, operation abnormality, communication abnormality, incorrect function response and the like of secondary equipment are caused, and hidden danger is brought to safe and stable operation of the relay protection device are solved.
According to a first aspect of the present application, there is provided a checking method of an ICD model of a relay protection device of a transformer substation, including:
extracting key information of a professional qualified icd file through a testing tool, acquiring key information of a scd file, and checking whether the professional qualified icd file and the scd file are homologous or not based on the key information of the professional qualified icd file and the key information of the scd file;
if the professional detected qualified cid file is homologous to the scd file, connecting a testing tool with the relay protection device, acquiring the cid file of the relay protection device, extracting key information of the cid file, and checking whether the cid file of the relay protection device is homologous to the scd file or not based on the key information of the cid file of the relay protection device and the key information of the scd file;
if the cid file of the relay protection device is homologous to the scd file, detecting whether the cid file of the relay protection device is homologous to the professional detected qualified cid file, and if the cid file of the relay protection device is homologous to the professional detected qualified cid file, detecting whether the ccd file is homologous to the scd file;
and if the ccd file is homologous to the scd file, confirming whether all relay protection devices are detected.
Optionally, the method further comprises:
if the professional detected qualified icd file is different from the scd file, notifying to modify the scd file through a testing tool, and downloading the cid file for each relay protection device after re-detecting and confirming that the scd file is correct.
Optionally, the method further comprises:
after downloading of all the cid files of the relay protection device of the total station is finished, the cid files in the device are dynamically obtained and key information is extracted by using the file service of 61850 and compared with corresponding contents of the cid files through the association of the obtained IP addresses in the scd with the relay protection device one by one, and whether the cid files in the relay protection device are homologous with the scd files or not is judged.
Optionally, the method further comprises:
if the cid file of the relay protection device is different from the scd file, notifying to modify the cid file through a testing tool.
Optionally, the method further comprises:
checking whether the cid file is homologous with the icd file in the qualified library and whether the CCD file is homologous with the SCD file.
According to another aspect of the present application, there is also provided a checking system of an ICD model of a substation relay protection device, including:
the system comprises a detection icd file module, a professional detection qualified icd file generation module and a professional detection qualified icd file generation module, wherein the detection icd file module is used for extracting key information of the professional detection qualified icd file through a test tool, acquiring key information of the scd file, and checking whether the professional detection qualified icd file and the scd file are homologous or not based on the key information of the professional detection qualified icd file and the key information of the scd file;
the cid file detection module is used for connecting a testing tool with the relay protection device if the professional qualified cid file and the scd file are homologous, acquiring the cid file of the relay protection device and extracting key information of the cid file, and checking whether the cid file of the relay protection device and the scd file are homologous or not based on the key information of the cid file of the relay protection device and the key information of the scd file;
the detecting ccd file module is configured to detect whether the cid file of the relay protection device is homologous to the cid file of the professional detection qualified if the cid file of the relay protection device is homologous to the cid file, and detect whether the cid file is homologous to the cid file if the cid file of the relay protection device is homologous to the cid file of the professional detection qualified;
and the confirming device detection module is used for confirming whether all relay protection devices are detected to be finished if the ccd file is homologous to the scd file.
Optionally, the method further comprises:
and the downloading cid file module is used for notifying the scd file to be modified through the testing tool if the professional detected qualified cid file and the scd file are different, and downloading the cid file for each relay protection device after detecting and confirming that the scd file is correct again.
Optionally, the method further comprises:
and the cid file judging module is used for sequentially associating the cid files in the device with the relay protection device one by one through the IP addresses obtained in the scd after the downloading of all the cid files of the relay protection device in the total station is finished, dynamically obtaining the cid files in the device by using 61850 file service, extracting key information, comparing the key information with the corresponding content of the scd files, and judging whether the cid files in the relay protection device are homologous to the scd files.
Optionally, the method further comprises:
and the cid file modification module is used for notifying to modify the cid file through the test tool if the cid file of the relay protection device is different from the scd file.
Optionally, the method further comprises:
and the detection homology module is used for detecting whether the cid file is homologous with the icd file in the qualified library and whether the CCD file is homologous with the SCD file.
Therefore, the method and the tool for standardized checking of the ICD file engineering of the substation relay protection device are provided, are suitable for the on-site debugging and testing process of the relay protection device to realize the full verification of the correctness of the configuration file of the relay protection device, discover the configuration defects and hidden dangers of equipment in advance, ensure the reliability of the functions and information interaction of the relay protection device of the substation, and provide solid technical support for the reliable operation of the relay protection device of the intelligent substation.
Drawings
Exemplary embodiments of the present application may be more completely understood in consideration of the following drawings:
fig. 1 is a flow chart of a checking method of an ICD model of a relay protection device of a transformer substation according to the present embodiment;
fig. 2 is a schematic diagram of a checking method according to the present embodiment;
fig. 3 is a schematic diagram of a checking system of an ICD model of a relay protection device of a transformer substation according to the present embodiment.
Detailed Description
The exemplary embodiments of the present application will now be described with reference to the accompanying drawings, however, the present application may be embodied in many different forms and is not limited to the examples described herein, which are provided to fully and completely disclose the present application and fully convey the scope of the application to those skilled in the art. The terminology used in the exemplary embodiments illustrated in the accompanying drawings is not intended to be limiting of the application. In the drawings, like elements/components are referred to by like reference numerals.
Unless otherwise indicated, terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art. In addition, it will be understood that terms defined in commonly used dictionaries should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense.
According to a first aspect of the present application, there is provided a checking method 100 of an ICD model of a relay protection device of a transformer substation, referring to fig. 1, the method 100 includes:
s101, extracting key information of a professional-detected qualified icd file through a testing tool, acquiring key information of a scd file, and checking whether the professional-detected qualified icd file and the scd file are homologous or not based on the key information of the professional-detected qualified icd file and the key information of the scd file;
s102, if the professional detected qualified cid file is homologous to the scd file, connecting a testing tool with the relay protection device, acquiring the cid file of the relay protection device, extracting key information of the cid file, and checking whether the cid file of the relay protection device is homologous to the scd file or not based on the key information of the cid file of the relay protection device and the key information of the scd file; the method comprises the steps of carrying out a first treatment on the surface of the
S103, if the cid file of the relay protection device is homologous to the scd file, detecting whether the cid file of the relay protection device is homologous to the professional detected qualified cid file, and if the cid file of the relay protection device is homologous to the professional detected qualified cid file, detecting whether the cid file is homologous to the scd file;
and S104, if the ccd file is homologous to the scd file, confirming whether all relay protection devices are detected.
Specifically, because the cid files are all operated in the relay protection device after the transformer substation is put into operation, to complete checking whether the cid files of the device design application are consistent with the professional detection qualified cid files, whether the cid files in the device are homologous with the professional detection qualified cid files needs to be verified in practice. Meanwhile, since all the cid files are derived from the scd file, the scd file must be ensured to be homologous with the professional qualified scd file, that is, whether the running cid file is homologous with the scd file is checked on the device side to judge whether an error occurs in the process of deriving the scd file and whether the cid file is derived from the scd file which passes verification. Considering the situation that the scd file is lack to be backed up when part of transformer substations are transformed and only the cid file can be manually modified, the part of the cid file in the device, which is homologous with the professional qualified cid file, can be used as the selected content. In addition, some content about goose and sv in the scd file is reflected in the ccd file during export, and reference may be made to performing verification.
Finally, the key contents of the ICD file engineering application standardized check of the relay protection device of the transformer substation, which need to be checked, mainly comprise the following three points:
1) Whether the cid file is homologous with the professional detected qualified cid file or not;
2) Whether the scd file is homologous with the icd file qualified by professional detection;
3) Whether the cid file is homologous to the scd file.
An ICD file engineering application standardized checking method and a flow chart of the relay protection device are shown in fig. 2.
The scheme mainly comprises three parts: firstly, the configuration of the obtained total station scd file is sent to a checking tool, and the tool extracts relevant information of corresponding parts in the professional detection qualified icd file and the scd respectively for checking whether the scd is homologous with the professional detection qualified icd file or not. If different sources exist, the tool notifies to modify the scd file, and after re-detecting and confirming that the scd file is correct, the cid file is downloaded for each relay protection device.
And secondly, after downloading all the cid files of the relay protection device of the total station, the checking tool is sequentially associated with the relay protection device one by one through the IP addresses acquired in the scd, the cid files in the device are dynamically acquired by using the 61850 file service, key information is extracted, the key information is compared with the corresponding content of the scd files, and whether the cid files in the relay protection device are homologous to the scd files or not is judged.
Finally, it has been possible to basically conclude through the above two steps that the cid file running in the device is homologous to the eligible icd in the model library. Considering that the above two steps of inspection cannot be performed under the condition that some substation SCD files are required to be manually modified when being backed up and lost, the scheme increases the inspection of directly inspecting whether the cid files are homologous with the icd files in the qualified library and whether the CCD files are homologous with the SCD files, and the inspection is used as an option for inspection.
The elements of the model file to be compared in the above steps are shown in table 1 below:
table 1 elements of model files to be aligned
The Substation, history part does not act as a comparison item because it does not affect the actual operation of the device, and the content in the Communication and the content contained in the Inputs field in the G1 and M1 access points are only compared if the cid file is homologous to the scd file. The fields that need to be compared are the data sets and the corresponding instantiated contents, and for the DataTypeTemplates parts of different model files, the cid file is tailored to the non-instantiated parts, so that the non-instantiated parts in the template can be ignored during comparison.
In order to meet the requirements of the scheme, the checking tool should meet the following conditions:
the checking tool should pass through an icd file library qualified by professional detection; a scd file can be imported; the method has a certain text analysis and key sentence summarization capability, and can extract key information from an xml file; has the capability to communicate with the device and supports part 61850 file services, can receive messages and decode.
Specific checking step and method
Comparison of scd to icd
After receiving the scd file sent by the master station manufacturer, the tool verifies whether the scd file is homologous to the professional-detected qualified icd file by comparing the professional-detected qualified icd file with key text information corresponding to the scd file. The tool can select the icd files with the same content in the field in the qualified library by searching the type field in the IED in the scd to perform text key information comparison, and the main content of the check is shown in the following table 2.
TABLE 2 main content of comparative check of scd and icd
comparison of cid to scd
When the homology comparison is performed between the cid file and the scd file, the checking tool needs to establish association with the device through 61850 communication through the internet access, and then obtains the cid model file operated in the device by using the file service of the GetFile. After receiving the scd file sent by the master station manufacturer, the tool verifies whether the cid file and the scd file are homologous or not by extracting and comparing the cid file and the key text information of the corresponding part of the scd file. The tool can select the same part of the content of the field in the scd by searching the type field in the IED in the cid file to perform text key information comparison, and the main content of the check is shown in table 3.
TABLE 3 comparative checking of cid and scd Main Contents
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comparison of cid to icd
When comparing the cid file with the cid file, the checking tool needs to establish association with the device through 61850 communication through the internet access, and obtains the cid model file operated in the device by using the file service of the GetFile. The tool can select the professional qualified icd file to compare the text key information by searching the type field in the IED in the cid, and the main content of the check is shown in the following table 4.
TABLE 4 comparative checking of cid and icd Main Contents
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Comparison of scd with ccd (optional)
When comparing the ccd file with the scd file, the checking tool needs to establish a relationship with the device through 61850 communication through the internet portal, and uses the file service of the GetFile to obtain the ccd model file running in the device. The tool can select the corresponding text key information comparison in scd by searching the type field in IED in the ccd, and the main content of the check is shown in Table 5.
Table 5 main content of comparative check of scd and ccd
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The application provides a method and a tool for standardized checking of substation relay protection device ICD file engineering application, which are suitable for realizing full verification of the correctness of the configuration file of the relay protection device in the field debugging and testing process of the relay protection device, discover equipment configuration defects and hidden danger in advance, ensure the reliability of the functions and information interaction of the substation relay protection device, and provide solid technical support for the reliable operation of the intelligent substation relay protection device.
Optionally, the method further comprises:
if the professional detected qualified icd file is different from the scd file, notifying to modify the scd file through a testing tool, and downloading the cid file for each relay protection device after re-detecting and confirming that the scd file is correct.
Optionally, the method further comprises:
after downloading of all the cid files of the relay protection device of the total station is finished, the cid files in the device are dynamically obtained and key information is extracted by using the file service of 61850 and compared with corresponding contents of the cid files through the association of the obtained IP addresses in the scd with the relay protection device one by one, and whether the cid files in the relay protection device are homologous with the scd files or not is judged.
Optionally, the method further comprises:
if the cid file of the relay protection device is different from the scd file, notifying to modify the cid file through a testing tool.
Optionally, the method further comprises:
checking whether the cid file is homologous with the icd file in the qualified library and whether the CCD file is homologous with the SCD file.
Therefore, the method is suitable for the on-site debugging and testing process of the relay protection device to realize the full verification of the correctness of the configuration file of the relay protection device, discover the configuration defects and hidden dangers of equipment in advance, ensure the reliability of the function and information interaction of the relay protection device of the transformer substation, and provide solid technical support for the reliable operation of the relay protection device of the intelligent transformer substation.
According to another aspect of the present application, there is further provided a checking system 300 of an ICD model of a substation relay protection device, referring to fig. 3, the system 300 includes:
the icd file detection module 310 is configured to extract key information of a professional qualified icd file through a testing tool, obtain key information of a scd file, and detect whether the professional qualified icd file and the scd file are homologous based on the key information of the professional qualified icd file and the key information of the scd file;
the cid file detection module 320 is configured to connect a testing tool with the relay protection device if the professional detected qualified cid file is homologous to the scd file, obtain the cid file of the relay protection device and extract key information thereof, and check whether the cid file of the relay protection device is homologous to the scd file based on the key information of the cid file of the relay protection device and the key information of the scd file;
the detecting ccd file module 330 is configured to detect whether the cid file of the relay protection device is homologous to the cid file of the professional detection qualified if the cid file of the relay protection device is homologous to the cid file, and detect whether the cid file is homologous to the cid file if the cid file of the relay protection device is homologous to the cid file of the professional detection qualified;
and the confirming device detecting module 340 is configured to confirm whether all relay protection devices are detected if the ccd file is homologous to the scd file.
Optionally, the method further comprises:
and the downloading cid file module is used for notifying the scd file to be modified through the testing tool if the professional detected qualified cid file and the scd file are different, and downloading the cid file for each relay protection device after detecting and confirming that the scd file is correct again.
Optionally, the method further comprises:
and the cid file judging module is used for sequentially associating the cid files in the device with the relay protection device one by one through the IP addresses obtained in the scd after the downloading of all the cid files of the relay protection device in the total station is finished, dynamically obtaining the cid files in the device by using 61850 file service, extracting key information, comparing the key information with the corresponding content of the scd files, and judging whether the cid files in the relay protection device are homologous to the scd files.
Optionally, the method further comprises:
and the cid file modification module is used for notifying to modify the cid file through the test tool if the cid file of the relay protection device is different from the scd file.
Optionally, the method further comprises:
and the detection homology module is used for detecting whether the cid file is homologous with the icd file in the qualified library and whether the CCD file is homologous with the SCD file.
The checking system 300 of the substation relay protection device ICD model according to the embodiment of the present application corresponds to the checking method 100 of the substation relay protection device ICD model according to another embodiment of the present application, and is not described herein.
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 scheme in the embodiment of the application can be realized by adopting various computer languages, such as object-oriented programming language Java, an transliteration script language JavaScript and the like.
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.
While preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present application without departing from the spirit or scope of the application. Thus, it is intended that the present application also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (10)
1. The checking method of the ICD model of the relay protection device of the transformer substation is characterized by comprising the following steps of:
extracting key information of a professional qualified icd file through a testing tool, acquiring key information of a scd file, and checking whether the professional qualified icd file and the scd file are homologous or not based on the key information of the professional qualified icd file and the key information of the scd file;
if the professional detected qualified cid file is homologous to the scd file, connecting a testing tool with the relay protection device, acquiring the cid file of the relay protection device, extracting key information of the cid file, and checking whether the cid file of the relay protection device is homologous to the scd file or not based on the key information of the cid file of the relay protection device and the key information of the scd file;
if the cid file of the relay protection device is homologous to the scd file, detecting whether the cid file of the relay protection device is homologous to the professional detected qualified cid file, and if the cid file of the relay protection device is homologous to the professional detected qualified cid file, detecting whether the ccd file is homologous to the scd file;
and if the ccd file is homologous to the scd file, confirming whether all relay protection devices are detected.
2. The method as recited in claim 1, further comprising:
if the professional detected qualified icd file is different from the scd file, notifying to modify the scd file through a testing tool, and downloading the cid file for each relay protection device after re-detecting and confirming that the scd file is correct.
3. The method as recited in claim 2, further comprising:
after downloading of all the cid files of the relay protection device of the total station is finished, the cid files in the device are dynamically obtained and key information is extracted by using the file service of 61850 and compared with corresponding contents of the cid files through the association of the obtained IP addresses in the scd with the relay protection device one by one, and whether the cid files in the relay protection device are homologous with the scd files or not is judged.
4. A method according to claim 3, further comprising:
if the cid file of the relay protection device is different from the scd file, notifying to modify the cid file through a testing tool.
5. The method as recited in claim 1, further comprising:
checking whether the cid file is homologous with the icd file in the qualified library and whether the CCD file is homologous with the SCD file.
6. The utility model provides a checking system of substation relay protection device ICD model which characterized in that includes:
the system comprises a detection icd file module, a professional detection qualified icd file generation module and a professional detection qualified icd file generation module, wherein the detection icd file module is used for extracting key information of the professional detection qualified icd file through a test tool, acquiring key information of the scd file, and checking whether the professional detection qualified icd file and the scd file are homologous or not based on the key information of the professional detection qualified icd file and the key information of the scd file;
the cid file detection module is used for connecting a testing tool with the relay protection device if the professional qualified cid file and the scd file are homologous, acquiring the cid file of the relay protection device and extracting key information of the cid file, and checking whether the cid file of the relay protection device and the scd file are homologous or not based on the key information of the cid file of the relay protection device and the key information of the scd file;
the detecting ccd file module is configured to detect whether the cid file of the relay protection device is homologous to the cid file of the professional detection qualified if the cid file of the relay protection device is homologous to the cid file, and detect whether the cid file is homologous to the cid file if the cid file of the relay protection device is homologous to the cid file of the professional detection qualified;
and the confirming device detection module is used for confirming whether all relay protection devices are detected to be finished if the ccd file is homologous to the scd file.
7. The system of claim 6, further comprising:
and the downloading cid file module is used for notifying the scd file to be modified through the testing tool if the professional detected qualified cid file and the scd file are different, and downloading the cid file for each relay protection device after detecting and confirming that the scd file is correct again.
8. The system of claim 7, further comprising:
and the cid file judging module is used for sequentially associating the cid files in the device with the relay protection device one by one through the IP addresses obtained in the scd after the downloading of all the cid files of the relay protection device in the total station is finished, dynamically obtaining the cid files in the device by using 61850 file service, extracting key information, comparing the key information with the corresponding content of the scd files, and judging whether the cid files in the relay protection device are homologous to the scd files.
9. The system of claim 8, further comprising:
and the cid file modification module is used for notifying to modify the cid file through the test tool if the cid file of the relay protection device is different from the scd file.
10. The system of claim 6, further comprising:
and the detection homology module is used for detecting whether the cid file is homologous with the icd file in the qualified library and whether the CCD file is homologous with the SCD file.
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