CN116154713A - Intelligent adjustment and measurement method for relay protection and safety automatic device - Google Patents
Intelligent adjustment and measurement method for relay protection and safety automatic device Download PDFInfo
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- CN116154713A CN116154713A CN202211402214.2A CN202211402214A CN116154713A CN 116154713 A CN116154713 A CN 116154713A CN 202211402214 A CN202211402214 A CN 202211402214A CN 116154713 A CN116154713 A CN 116154713A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0061—Details of emergency protective circuit arrangements concerning transmission of signals
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/006—Calibration or setting of parameters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00022—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission
- H02J13/00026—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission involving a local wireless network, e.g. Wi-Fi, ZigBee or Bluetooth
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00036—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
- H02J13/0004—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers involved in a protection system
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention provides an intelligent adjusting and testing device of a relay protection and safety automatic device, which comprises the following components: reading a protection 61850 model file by using the MMS communication of the station control layer; matching the protection 61850 model file with a job instruction book template; editing a standard operation instruction book template according to the 61850 model file; loading the standard operation instruction template to obtain an electric quantity test state quantity; sequentially carrying out relay protection communication operation and electric quantity test according to the electric quantity test state quantity, and automatically judging the result to obtain a test result; and generating a report according to the test result. The relay protection device information automatic test system can realize the repeated use of the same type of operation instruction templates, saves the test time and improves the test efficiency.
Description
Technical Field
The invention relates to the field of relay protection automatic test, in particular to an intelligent adjustment and measurement method for a relay protection and safety automatic device.
Background
The relay protection device is an important method for running in the power grid system, the power monitoring platform judges the power grid accident reason by receiving various action information sent by the tested device, and the power monitoring platform performs manual analysis by sending the process data result. In order to clearly determine the information output content and the unified information description of the tested device and realize the output standardization of various protection information, a series of enterprise standards of the national power grid company prescribe 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 main station of an electric power automatic monitoring system, manually setting experimental parameters, applying analog quantity by utilizing the relay protection tester, and manually checking the correctness of the information by utilizing an electric power monitoring platform.
The principle of the existing relay protection information testing method is as follows:
1) According to the content of the test item, setting information triggering parameters such as a fixed value, a control word, a soft pressing plate and the like by manually operating the tested device;
2) Manually operating the relay protection tester on site according to a fixed value single fixed value to select test types, manually filling in each parameter, calculating each state quantity, wherein the parameters and the settings of test items cannot be effectively stored, and the test cannot be reused for the same tested device;
3) The power monitoring platform displays the action information, and can not carry out result judgment and report output, and the power monitoring platform information is judged through manual inspection;
to compress the protection checking time, only how to shorten the checking time of the protection device itself can be explored. At present, the principle and the functions of the protection devices of all factories are basically consistent, so that the investment of technology is increased, the automatic modularized test technology is developed, the self test time of the protection devices is shortened, and the protection and inspection efficiency is improved.
Disclosure of Invention
In view of the foregoing, the present invention has been made to provide an intelligent adjustment method for relay protection and safety automation, which overcomes the foregoing problems or at least partially solves the foregoing problems.
According to one aspect of the invention, there is provided an intelligent adjustment and measurement method for a relay protection and safety automatic device, the method comprising:
reading a protection 61850 model file by using the MMS communication of the station control layer;
matching the protection 61850 model file with a job instruction book template;
editing a standard operation instruction book template according to the 61850 model file;
loading the standard operation instruction template to obtain an electric quantity test state quantity;
sequentially carrying out relay protection communication operation and electric quantity test according to the electric quantity test state quantity, and automatically judging the result to obtain a test result;
and generating a report according to the test result.
Optionally, the reading protection 61850 model file by using the station control layer MMS communication specifically includes:
setting IP, and carrying out online operation with a to-be-tested protection device;
the method comprises the steps of carrying out 61850 communication with the protection device, reading the reference and information description of the protection device, and obtaining a 61850 model file;
analyzing the data set in the 61850 model file to obtain relay protection standard automatic distinguishing system parameters, pressing plates, fixed values, control words, action signals and telemetry signals.
Optionally, the matching the protection 61850 model file with the job guidance template specifically includes: setting the model of the protection device, and setting a corresponding operation instruction book template in a template library Zhong Pipei according to the model name;
reading the 61850 model file, automatically matching the 61850 model file with the operation instruction template, and realizing a fuzzy matching strategy of keywords to match the corresponding operation instruction template and test items.
Optionally, the editing standard job guidance template according to the 61850 model file specifically includes: creating a new operation instruction book template, adding a method, and setting a model name of the method;
loading the 61850 model file;
newly creating a test item, adding operation, selecting a soft pressing 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, carrying out the association matching of the formula number and the fixed value of each parameter, and carrying out result configuration to obtain a standard operation instruction template;
and importing the standard operation instruction book template into a database.
Optionally, the loading the standard operation instruction book template to obtain the electric quantity test state measuring tool specifically includes:
reading a fixed value in the 61850 model file;
analyzing the standard operation instruction book template, and replacing the related fixed value name in the standard operation instruction book template with the fixed value in the 61850 model file;
and carrying out short circuit calculation on each test item, and calculating the corresponding electric quantity test state quantity.
Optionally, the relay protection communication operation and the electric quantity test are sequentially performed according to the electric quantity test state quantity, and the result automatic judgment is performed, so that the test result is obtained specifically including:
according to the electric quantity test state quantity matching related report control block, starting a corresponding report, starting a telemetry report by a precision test, and starting an action information report by a reliable action and action time test;
according to different tests, operating item contents, remotely operating the pressing plate control word through MMS communication;
the WIFI module is used for controlling the output of a lower computer of the tester according to the electric quantity test item, so that the test of adding quantity is realized;
automatically judging a test result, and acquiring an action signal value, a telemetry value and action time;
automatically judging a test result according to the process configuration information of the standard operation instruction book template;
the device is reset, and after the single test is completed, the remote control device is reset.
Optionally, generating the report according to the test result specifically includes:
according to the content names of the test items in the standard operation instruction templates, automatically matching related report subfiles in a report library;
and integrating and splicing the subfiles, and replacing the tag bit with a test result to obtain a report.
The beneficial effects of the invention are as follows:
the invention provides an intelligent adjustment and measurement method for a relay protection and safety automatic device, which comprises the following steps: reading a protection 61850 model file by using the MMS communication of the station control layer; matching the protection 61850 model file with a job instruction book template; editing a standard operation instruction book template according to the 61850 model file; loading the standard operation instruction template to obtain an electric quantity test state quantity; sequentially carrying out relay protection communication operation and electric quantity test according to the electric quantity test state quantity, and automatically judging the result to obtain a test result; and generating a report according to the test result. The relay protection device information automatic test system can realize the repeated use of the same type of operation instruction templates, saves the test time and improves the test efficiency.
The foregoing description is only an overview of the present invention, and is intended to be implemented in accordance with the teachings of the present invention in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present invention more readily apparent.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flowchart of an intelligent adjustment and measurement 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 adjustment and measurement 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 adjustment method for a relay protection and safety automatic 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 to 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 "comprising" and "having" and any variations thereof in the description embodiments of the invention and in the claims and drawings are intended to cover a non-exclusive inclusion, such as a series of steps or elements.
The technical scheme of the invention is further described in detail below with reference to the accompanying drawings and the examples.
As shown in fig. 1 and 2, an intelligent adjustment and measurement platform of a relay protection and safety automatic device comprises a basic setting module, a scheme matching module, a template editing module, a relay protection automatic test module and a tester wireless control module; the platform acquires 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, compares the 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, the intelligent adjustment and measurement platform of the relay protection and safety automatic device of the present invention includes the steps of:
step 1, reading and protecting 61850 model files by using station control layer MMS communication, wherein the step further comprises the following steps:
1.1, setting an IP address of a protection device, or selecting a local network port by analyzing the IP address in an SCD model, and carrying out online communication with the protection device;
1.2, carrying out 61850 communication with the protection, sequentially enumerating the tested device, enumerating logic equipment, enumerating a data set, reading data, and generating a 61850 model file according to each node;
1.3 analyzing the data set in the 61850 model file, and automatically distinguishing system parameters, pressing plates, fixed values, control words, action signals and telemetering signal information according to relay protection standards.
The intelligent adjustment and measurement platform of the relay protection and safety automatic device can read relay 61850 protection information from a device to be measured, automatically classify the information into system parameters, set values, soft pressing plates, control words and other information by referring to the standard specification of national network information through the information reference or description of a data set, and simultaneously has an in-station information storage function to store a model in the current place
And a mapping relation is formed between the model library and the station name of the transformer substation.
Step 2, matching the template of the operation instruction book, and the step further comprises the following steps:
2.1, setting the model of the protection device, and executing the step 3 if the template is not matched with the corresponding operation instruction book template in the template library Zhong Pipei according to the model name, 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 to realize the fuzzy matching strategy of the keywords, firstly selecting an operation instruction template according to the model of the tested device, analyzing the operation instruction template, sequentially enumerating the associated fixed values in each electric measurement test item in the template, matching the fixed value items in the model file in step 1, and if a one-to-one mapping relation can be formed, reserving the test item, otherwise, removing the test item.
The intelligent adjustment and measurement platform for the relay protection and safety automatic device can be used for carrying out keyword matching operation instruction book templates 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 templates and screening and modifying test items.
Step 3, editing a standard operation instruction book template, wherein the step further comprises the following steps:
and 3.1, newly creating an operation instruction template, adding equipment, setting a newly created equipment name, keeping the newly created equipment name consistent with tested equipment, facilitating identification and searching, wherein the equipment type can be selected from a line, a main transformer, a bus and a bus, and a related template of a sub-test item can be automatically provided according to the equipment type.
And 3.2, loading the model file, acquiring data set information, and analyzing data set reference information and description information.
And 3.3, newly creating a test item, adding operation, selecting a soft pressing plate and a control word in the model, importing the soft pressing plate and the control word into configuration, and selecting the current pressing plate and the control word state.
And 3.4, adding an electric quantity test, selecting a test type, and selecting an alternating current test, a state sequence test, a whole group of tests and a differential test, configuring test parameters, and carrying out formula writing or constant value association matching of the parameters. And performing process configuration or result configuration, wherein the result configuration can select 'precision test', 'reliable action test', 'action time test', and 61850 information reference and expected value corresponding to each result are set.
And 3.5, importing the operation instruction book template into a database.
The operation instruction is compiled, flexible and convenient to operate, each test parameter can realize formula editing, can be associated and matched with the 61850 model fixed value, and can be configured in a process and a result. The workload of template reconstruction caused by fixed value modification can be reduced by using fixed value association matching, and a more flexible and changeable strategy is realized. Meanwhile, according to the device type, the reusable sub-template is provided, so that repeated programming work of common test items can be reduced.
Step 4, loading the matched operation instruction book in the step 2, and further comprising:
reading fixed value data in 61850 model files;
and 4.2, analyzing the operation instruction book, and replacing the related fixed value name in the operation instruction book with the fixed value in the 61850 model.
4.3, carrying out short circuit calculation on each test item, and calculating the test state quantity of each electric quantity;
according to the invention, the loading operation instruction automatically replaces the related constant value parameters according to the current operation instruction model, performs short circuit calculation and calculates the parameters of each test state quantity.
And 5, sequentially performing relay protection tests according to the state quantities calculated in the step 4, automatically judging whether the result is broken or not, and further comprising:
5.1, automatically matching relevant report control blocks according to the result configuration content of the test items, starting corresponding reports, starting telemetry reports by precision test, and starting action information reports by reliable action and action time test;
5.2, according to different tests and the content of the operation items, remotely operating the pressing 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, and realizing the test of the added quantity;
5.4, automatically judging the test result, acquiring an action signal value or a telemetry 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 book;
5.5 device reset, after single test is completed, remote control device reset.
And 6, generating a word report according to the test result of the step 5.
And 6.1, automatically matching related report subfiles in a report library according to the content names of the test items in the operation instruction book.
And 6.2, carrying out integration and splicing on the subfiles, replacing the tag bit with a test result, and outputting a word report.
The automatic test process does not need manual intervention, comprises all tests, a single test group test, a single test and multiple control settings of disqualified item retesting, and automatically completes relevant fixed value modification, control word modification and pressing plate switching according to the content of the test items. And then the state quantity applied by the tester is controlled, so that the analog quantity output and the digital quantity output can be supported. And the platform comprises test pause, continue and terminate functions.
The beneficial effects are that: according to the invention, the model file of the tested device 61850 is obtained, and the keyword matching operation instruction template is carried out according to the fixed value name or the model of the tested device, so that the workload of manually selecting the template and screening and modifying the test items can be reduced.
The operation instruction is compiled to realize flexible configuration, each test parameter can realize formula editing, and can be associated and matched with the 61850 model fixed value, meanwhile, the process configuration can be carried out, the result configuration can be realized, the fixed value association and matching can reduce the workload of template re-compiling caused by fixed value modification, and the more flexible and changeable strategy is realized.
The invention adopts wireless WIFI to communicate with the lower computer of the tester, controls the tester to add quantity to the tested device, performs protection and detection work, solves the problem that a common PC has a single network port structure, reduces the use of a switch or adds new network port equipment, and simultaneously realizes flexible movement of the tester.
The invention automatically and flexibly switches the start and stop report control blocks according to the selected test type and the result configuration, and simultaneously adopts the process and the result to automatically verify. The testing capability and the testing efficiency are improved, and the labor cost is reduced.
The automatic relay protection device information testing system can realize repeated use of the templates for testing the same type of operation instruction book for testing a large number of relay protection devices, thereby greatly saving testing time and improving testing efficiency.
The foregoing detailed description of the invention has been presented for purposes of illustration and description, and it should be understood that the invention is not limited to the particular embodiments disclosed, but is intended to cover all modifications, equivalents, alternatives, and improvements within the spirit and principles of the invention.
Claims (7)
1. An intelligent adjustment and measurement method for a relay protection and safety automatic device is characterized by comprising the following steps:
reading a protection 61850 model file by using the MMS communication of the station control layer;
matching the protection 61850 model file with a job instruction book template;
editing a standard operation instruction book template according to the 61850 model file;
loading the standard operation instruction template to obtain an electric quantity test state quantity;
sequentially carrying out relay protection communication operation and electric quantity test according to the electric quantity test state quantity, and automatically judging the result to obtain a test result;
and generating a report according to the test result.
2. The intelligent adjustment and measurement method for a relay protection and safety automatic device according to claim 1, wherein the reading and protecting 61850 model file by using the station control layer MMS communication specifically includes:
setting IP, and carrying out online operation with a to-be-tested protection device;
the method comprises the steps of carrying out 61850 communication with the protection device, reading the reference and information description of the protection device, and obtaining a 61850 model file;
analyzing the data set in the 61850 model file to obtain relay protection standard automatic distinguishing system parameters, pressing plates, fixed values, control words, action signals and telemetry signals.
3. The method for intelligently adjusting and measuring the relay protection and safety automatic device according to claim 2, wherein the step of matching the protection 61850 model file with the operation instruction book template specifically comprises the following steps: setting the model of the protection device, and setting a corresponding operation instruction book template in a template library Zhong Pipei according to the model name;
reading the 61850 model file, automatically matching the 61850 model file with the operation instruction template, and realizing a fuzzy matching strategy of keywords to match the corresponding operation instruction template and test items.
4. The intelligent adjustment and measurement method of the relay protection and safety automatic device according to claim 1, wherein the editing standard operation instruction template according to the 61850 model file specifically comprises: creating a new operation instruction book template, adding a method, and setting a model name of the method;
loading the 61850 model file;
newly creating a test item, adding operation, selecting a soft pressing 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, carrying out the association matching of the formula number and the fixed value of each parameter, and carrying out result configuration to obtain a standard operation instruction template;
and importing the standard operation instruction book template into a database.
5. The method for intelligently adjusting and measuring a relay protection and safety automatic device according to claim 1, wherein the step of loading the standard operation instruction book template to obtain the electric quantity test state measuring tool specifically comprises the following steps:
reading a fixed value in the 61850 model file;
analyzing the standard operation instruction book template, and replacing the related fixed value name in the standard operation instruction book template with the fixed value in the 61850 model file;
and carrying out short circuit calculation on each test item, and calculating the corresponding electric quantity test state quantity.
6. The intelligent adjustment and measurement method of a relay protection and safety automatic device according to claim 1, wherein the steps of sequentially performing relay protection communication operation and electric quantity test according to the electric quantity test state quantity, automatically judging the result, and obtaining the test result specifically comprise:
according to the electric quantity test state quantity matching related report control block, starting a corresponding report, starting a telemetry report by a precision test, and starting an action information report by a reliable action and action time test;
according to different tests, operating item contents, remotely operating the pressing plate control word through MMS communication;
the WIFI module is used for controlling the output of a lower computer of the tester according to the electric quantity test item, so that the test of adding quantity is realized;
automatically judging a test result, and acquiring an action signal value, a telemetry value and action time;
automatically judging a test result according to the process configuration information of the standard operation instruction book template;
the device is reset, and after the single test is completed, the remote control device is reset.
7. The method for intelligently adjusting and measuring relay protection and safety automatic device according to claim 1, wherein the generating a report according to the test result specifically comprises:
according to the content names of the test items in the standard operation instruction templates, automatically matching related report subfiles in a report library;
and integrating and splicing the subfiles, and replacing the tag bit with a test result to obtain a report.
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