CN114778986A - Intelligent debugging and testing method for relay protection and safety automatic device - Google Patents
Intelligent debugging and testing method for relay protection and safety automatic device Download PDFInfo
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Abstract
The invention provides an intelligent debugging and testing method for a relay protection and safety automatic device, which comprises the following steps: reading a 61850 protection model file by using the station control layer MMS communication; matching the protection 61850 model file with an operation instruction template; editing a standard operation instruction template according to the 61850 model file; loading the standard operation instruction template to obtain the electric quantity test state quantity; according to the electric quantity test state quantity, sequentially performing relay protection communication operation and electric quantity test, and automatically judging a result to obtain a test result; generating a report according to the test result; the automatic information testing system for the relay protection device can realize the repeated use of the operation instruction templates of the same model, save the testing time and improve the testing efficiency.
Description
Technical Field
The invention relates to the field of relay protection automatic testing, in particular to an intelligent debugging and testing method for a relay protection and safety automatic device.
Background
The power monitoring platform judges the cause of the power grid accident by receiving various action information sent by a tested device and carries out manual analysis by sending a process data result. In order to clarify the information output content and uniform information description of the tested device and realize the output standardization of various protection information, a series of enterprise standards of national power grid companies stipulate the input and output information format of the relay protection device. The method for testing the relay protection information in the prior art comprises the steps of utilizing a relay protection tester and a power automatic monitoring system main station, manually setting experiment parameters, applying analog quantity by utilizing the relay protection tester, and manually checking the correctness of the information by a power monitoring platform.
The principle of the existing relay protection information testing method is as follows:
1) setting information trigger parameters such as a fixed value, a control word, a soft pressing plate and the like through manual operation of the tested device according to the content of the test item;
2) manually operating the relay protection tester according to a fixed value single fixed value field, selecting test types, manually filling in parameters, calculating various state quantities, and effectively storing the parameters and the settings of test items, wherein the test for the same tested device has no reusability;
3) the power monitoring platform displays the action information, cannot perform result judgment and report output, and judges the power monitoring platform information through manual inspection;
to compress the protection verification time, only how to shorten the verification time of the protection device itself can be explored. At present, the principle and the function of the protection device of each manufacturer are basically consistent, so that the scientific and technological investment needs to be increased, the automatic modular test technology needs to be developed, the inspection time of the protection device is shortened, and the protection regular inspection efficiency is improved.
Disclosure of Invention
In view of the above problems, the present invention has been made to provide a relay protection and safety automation device intelligent commissioning method that overcomes or at least partially solves the above problems.
According to one aspect of the invention, the invention provides an intelligent debugging and testing method for a relay protection and safety automatic device, which comprises the following steps:
reading a 61850 protection model file by using station control layer MMS communication;
matching the protection 61850 model file with an operation instruction template;
editing a standard operation instruction template according to the 61850 model file;
loading the standard operation instruction template to obtain the electric quantity test state quantity;
according to the electric quantity test state quantity, sequentially performing relay protection communication operation and electric quantity test, and automatically judging a result to obtain a test result;
and generating a report according to the test result.
Optionally, the reading and protecting 61850 model file by using station control layer MMS communication specifically includes:
setting an IP and carrying out online operation with a protection device to be tested;
61850 communication is carried out between the model file and the protection device, the reference and the information description of the protection device are read, and a 61850 model file is obtained;
and analyzing the data set in the 61850 model file to obtain relay protection standard automatic distinguishing system parameters, a pressing plate, a fixed value, control words, action signals and remote signals.
Optionally, matching the protected 61850 model file with the operation instruction template specifically includes: setting the model of the protection device, and matching a corresponding operation instruction template in a template library clock according to the model name;
and reading the 61850 model file, automatically matching the operation instruction template according to the 61850 model file, realizing a fuzzy matching strategy of keywords, and matching the corresponding operation instruction template and the test item.
Optionally, the editing of the standard operation instruction template according to the 61850 model file specifically includes: newly building an operation instruction template, adding a method, and setting a method model name;
loading the 61850 model file;
newly building a test item, adding operation, selecting a soft pressure plate and a control word in the 61850 model file, and setting a state;
adding an electrical quantity test, selecting a test type, configuring each test parameter, performing formula number and fixed value correlation matching of each parameter, and configuring a result to obtain a standard operation instruction template;
and importing the standard operation instruction template into a database.
Optionally, the loading the standard operation instruction template, and obtaining the electrical quantity test state quantity specifically includes:
reading a fixed value in the 61850 model file;
analyzing the standard operation instruction template, and replacing the related constant value name in the standard operation instruction template with the constant value in the 61850 model file;
and short circuit calculation is carried out on each test item, and the corresponding electric quantity test state quantity is calculated.
Optionally, according to the electrical quantity test state quantity, sequentially performing relay protection communication operation and electrical quantity test, and performing automatic result judgment to obtain a test result specifically including:
matching a relevant report control block according to the electric quantity test state quantity, starting a corresponding report, starting a remote measurement report for precision test, and starting an action information report for reliable action and action time test;
remotely operating the press plate control word through MMS communication according to different tests and operation item contents;
controlling the output of a lower computer of the tester according to the electrical quantity test items through the WIFI module to realize the dosage test;
automatically judging the test result, and acquiring an action signal value, a remote measurement value and action time;
automatically judging a test result according to the process configuration information of the standard operation instruction template;
and resetting the device, and resetting the remote control device after the single test is finished.
Optionally, the generating a report according to the test result specifically includes:
automatically matching related report subfiles in a report library according to the content names of the test items in the standard operation instruction template;
and integrating and splicing the subfiles, replacing the label position with a test result, and obtaining a report.
The invention provides an intelligent debugging and testing method for a relay protection and safety automatic device, which comprises the following steps: reading a 61850 protection model file by using station control layer MMS communication; matching the protection 61850 model file with an operation instruction template; editing a standard operation instruction template according to the 61850 model file; loading the standard operation instruction template to obtain the electric quantity test state quantity; according to the electric quantity test state quantity, sequentially performing relay protection communication operation and electric quantity test, and automatically judging a result to obtain a test result; and generating a report according to the test result. The automatic testing system for the information of the relay protection device can realize the repeated use of the operation instruction templates of the same model, save the testing time and improve the testing efficiency.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a flowchart of an intelligent tuning and testing method for a relay protection and safety automatic device according to an embodiment of the present invention;
fig. 2 is a schematic block diagram of an intelligent tuning and measuring method for a relay protection and safety automatic device according to an embodiment of the present invention;
fig. 3 is a flowchart of an implementation of an intelligent tuning and testing method for a relay protection and safety automation device according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The terms "comprises" and "comprising," and any variations thereof, in the present description and claims and drawings are intended to cover a non-exclusive inclusion, such as a list of steps or elements.
The technical solution of the present invention is further described in detail with reference to the accompanying drawings and embodiments.
As shown in fig. 1 and 2, an intelligent debugging and testing platform for a relay protection and safety automatic device comprises a basic setting module, a scheme matching module, a template editing module, an automatic relay protection testing module and a wireless control module of a tester. The platform obtains a 61850 model file of the tested device, edits a test template, matches a standard operation instruction book and test items, starts an automatic test module, then compares test relay protection information correspondingly generated by the tested device with a result configuration basis of the operation instruction book, and automatically obtains a test report.
Example 1:
as shown in fig. 3, in the intelligent debugging platform for relay protection and safety automatic device of the present invention, the automatic testing steps of the information of the relay protection device include:
step 1, reading and protecting 61850 model files by station control layer MMS communication, and the step further comprises:
1.1 setting IP address of the protection device, or selecting local network port by analyzing the IP address in SCD model to perform online communication with the protection device;
1.2, 61850 communication is carried out with protection, a tested device, logic equipment and a data set are enumerated in sequence, data are read, and a 61850 model file is generated according to each node;
1.3 analyzing a data set in a 61850 model file, and automatically distinguishing system parameters, a pressing plate, a fixed value, a control word, an action signal and telemetering signal information according to a relay protection standard.
The intelligent debugging platform for the relay protection and safety automatic device can read relay 61850 protection information from a tested device, can automatically classify the information into system parameters, set fixed values, soft pressing plates, control words and other information by referring to data set information reference or description and national network information standard specification, and has an in-station information storage function to store a model in a database
And forming a mapping relation with the substation name in the model library.
Step 2, matching the operation instruction templates, and further comprising the following steps:
2.1, setting the model of the protection device, matching a corresponding operation instruction template in a template library clock according to the model name, and executing the step 3 if the template is not matched, otherwise, executing the operation 4;
2.2 reading the model file in 1.2, automatically matching the model with the test template in 2.1 according to the model to realize a fuzzy matching strategy of keywords, firstly selecting an operation instruction template according to the model of the device to be tested, analyzing the operation instruction template, enumerating the associated fixed values in the electric quantity test items in the template in sequence, matching the fixed values in the model file in the step 1, if a one-to-one mapping relation can be formed, reserving the test items, and otherwise, rejecting the test items.
According to the intelligent testing platform for the relay protection and safety automatic device, the keyword matching operation instruction template is performed according to the protection model file read by the protection device and the fixed value name or the model of the tested device, and the method can reduce the workload of manually selecting the template and screening and modifying test items.
Step 3, editing a standard operation instruction template, and further comprising the following steps:
3.1 newly-built operation instruction template, add equipment, set up newly-built equipment name, keep and by the test equipment unanimity, be convenient for discernment and seek, equipment type can select "circuit", "owner become", "generating line", "bus-bar" the mother allies oneself with ", can provide the relevant template of subtest item automatically according to equipment type.
And 3.2, loading the model file, acquiring data set information, and analyzing the reference information and the description information of the data set.
3.3 newly building a test item, adding operation, selecting a soft pressing plate and a control word in the model, importing the configuration, and selecting the current pressing plate and control word state.
3.4 adding an electric quantity test, selecting a test type, selecting an alternating current test, a state sequence test, a whole group of tests and a differential test, configuring test parameters, and compiling a formula of each parameter or performing fixed value correlation matching. And (3) carrying out process configuration or result configuration, wherein the result configuration can be selected from precision test, reliable action test and action time test, and 61850 information reference and expected values corresponding to each result are set.
3.5 importing the operation instruction template into the database.
The operation instruction book compiling method has the advantages of flexible operation and convenient operation, can realize formula editing of each test parameter, can be associated and matched with the 61850 model fixed value, and can carry out process configuration and result configuration. The fixed value correlation matching can reduce the workload of template reorganization caused by fixed value modification, and a more flexible and variable strategy is realized. Meanwhile, a reusable sub-template is provided according to the type of the device, and repeated compiling work of common test items can be reduced.
And 4, loading the operation instruction book matched in the step 2, and further comprising the following steps:
4.1 reading fixed value data in the 61850 model file;
4.2 analyzing the operation instruction book, and replacing the related constant value names in the operation instruction book with the constant values in the 61850 model.
4.3, short circuit calculation is carried out on each test item, and test state quantity of each electrical quantity is calculated;
the invention loads the operation instruction book, automatically replaces the associated constant value parameter according to the current operation instruction book model, carries out short circuit calculation and calculates each test state quantity parameter.
Step 5, according to each state quantity calculated in step 4, sequentially performing a relay protection test, and performing automatic judgment on a result, further comprising:
5.1 configuring content according to the result of the test item, automatically matching a related report control block, starting a corresponding report, starting a remote measurement report for precision test, and starting an action information report for reliable action and action time test;
5.2 according to different tests, according to the content of the operation item, remotely operating the press plate control word through MMS communication;
5.3, controlling the output of a lower computer of the tester according to the electric quantity test item through the WIFI module to realize the addition quantity test;
5.4, automatically judging the test result, acquiring an action signal value or a remote measurement value and action time, and automatically judging the test result according to the process configuration information or the result configuration information of the operation instruction;
and 5.5, resetting the device, and resetting the remote control device after the single test is finished.
And 6, generating a word report according to the test result in the step 5.
6.1 automatically matching the related report subfiles in the report library according to the content names of the test items in the operation instruction book.
6.2, integrating and splicing the subfiles, replacing the label bit with a test result, and outputting a word report.
The automatic test process of the invention does not need manual intervention, and comprises various control settings of all tests, single test group tests, single tests and unqualified retests, and the automatic tests automatically complete related fixed value modification, control word modification and pressing plate switching according to the contents of the test items. And the state quantity is applied by controlling the tester, so that the analog quantity output and the digital quantity output can be supported. Meanwhile, the platform comprises functions of test pause, continuation and termination.
Has the beneficial effects that: according to the method, the 61850 model file of the tested device is obtained, the keyword matching operation instruction template is carried out according to the fixed value name or the model of the tested device, and the workload of manually selecting the template and screening and modifying test items can be reduced.
The work instruction book compilation of the invention realizes flexible configuration, each test parameter can realize formula editing, and can be associated and matched with the 61850 model fixed value, and meanwhile, the process configuration, the result configuration and the fixed value association matching can reduce the workload of template reorganization caused by fixed value modification, and realize more flexible and changeable strategies.
The invention adopts wireless WIFI to communicate with the lower computer of the tester, controls the tester to add quantity to the tested device, protects and detects, solves the problem that the common PC only has a single network port structure, reduces the use of switches or adds new network port equipment, and simultaneously realizes the flexible movement of the tester.
The invention automatically and flexibly switches the start-stop report control block according to the selected test type and result configuration, and simultaneously adopts the process and result automatic verification. The testing capability and the testing efficiency are improved, and meanwhile, the labor cost is reduced.
The automatic testing system for the relay protection device information can realize the repeated use of the operation instruction templates of the same model, greatly saves the testing time and improves the testing efficiency for the test of the large-scale relay protection device.
The above embodiments are provided to further explain the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above embodiments are merely exemplary embodiments of the present invention and are not intended to limit the scope of the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. An intelligent debugging method for a relay protection and safety automatic device is characterized by comprising the following steps:
reading a 61850 protection model file by using station control layer MMS communication;
matching the protection 61850 model file with an operation instruction template;
editing a standard operation instruction template according to the 61850 model file;
loading the standard operation instruction template to obtain the electric quantity test state quantity;
according to the electric quantity test state quantity, sequentially performing relay protection communication operation and electric quantity test, and performing result judgment to obtain a test result;
and generating a report according to the test result.
2. The intelligent debugging method for the automatic relay protection and safety device according to claim 1, wherein the method for reading the 61850 model file by station control layer MMS communication comprises:
performing online operation with a protection device to be tested;
61850 communication is carried out with the protection device, the reference and the information description of the protection device are read, and a 61850 model file is obtained;
and analyzing the data set in the 61850 model file to obtain relay protection standard automatic distinguishing system parameters, a pressing plate, a fixed value, a control word, an action signal and a telemetering signal.
3. The intelligent debugging method for the relay protection and safety automatic device according to claim 2, wherein the method for matching the protection 61850 model file with the operation instruction template comprises the following steps:
setting the model of the protection device, and matching a corresponding operation instruction template in a template library clock according to the model name;
reading the 61850 model file, automatically matching the operation instruction template according to the 61850 model file, and matching the corresponding operation instruction template and the test item according to the fuzzy matching strategy of the keywords.
4. The intelligent debugging method for the automatic relay protection and safety device according to claim 3, wherein the method for editing the standard operation instruction template according to the 61850 model file comprises the following steps:
establishing an operation guide template, adding a method, and setting a method model name;
loading the 61850 model file;
newly building a test item, adding operation, selecting a soft pressure plate and a control word in the 61850 model file, and setting a state;
adding an electric quantity test, selecting a test type, configuring each test parameter, performing correlation matching of formula numbers and fixed values of each parameter, and configuring results to obtain a standard operation instruction template;
and importing the standard operation instruction template into a database.
5. The intelligent tuning and testing method for the relay protection and safety automatic device according to claim 4, wherein the method for loading the standard operation instruction template to obtain the electrical quantity test state quantity comprises the following steps:
reading a fixed value in the 61850 model file;
analyzing the standard operation instruction template, and replacing the related constant value name in the standard operation instruction template with the constant value in the 61850 model file;
and short circuit calculation is carried out on each test item, and the corresponding electric quantity test state quantity is calculated.
6. The intelligent debugging method for relay protection and safety automatic device according to claim 5, wherein the method for sequentially performing relay protection communication operation and electric quantity test according to electric quantity test state quantity to perform result judgment and obtain test result comprises:
matching a relevant report control block according to the electric quantity test state quantity, starting a corresponding report, starting a remote measurement report for precision test, and starting an action information report for reliable action and action time test;
remotely operating the press plate control word through MMS communication according to different tests and operation item contents;
through the WIFI module, the output of a lower computer of the tester is controlled according to the electric quantity test item, so that the dosage test is realized;
automatically judging the test result, and acquiring an action signal value, a remote measurement value and action time;
automatically judging a test result according to the process configuration information of the standard operation instruction template;
and resetting the device, and resetting the remote control device after the single test is finished.
7. The intelligent debugging method for relay protection and safety automatic device according to claim 6, wherein said generating a report according to the test result specifically comprises:
automatically matching related report subfiles in a report library according to the content names of the test items in the standard operation instruction template;
and integrating and splicing the subfiles, replacing the label position with a test result, and obtaining a report.
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