CN114689978A - Automatic testing system and testing method for relay protection information standard function - Google Patents
Automatic testing system and testing method for relay protection information standard function Download PDFInfo
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- CN114689978A CN114689978A CN202210425954.1A CN202210425954A CN114689978A CN 114689978 A CN114689978 A CN 114689978A CN 202210425954 A CN202210425954 A CN 202210425954A CN 114689978 A CN114689978 A CN 114689978A
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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Abstract
The invention discloses an automatic test system and a test method for relay protection information standard function, the method realizes the communication between an automatic test control center and a relay protection device through a 61850 communication protocol engine, downloads an equipment data model from the communication protocol engine, uses a GuideBook tool to load an equipment model to generate an information standard test case, the automatic test center drives a relay protection tester to apply fault amount through an execution case, then compares relay protection output information obtained from a tested device with standard relay protection information set in the test case according to a plurality of result judgment bases such as message appearance sequence, times and names, and finally records results and various information output by the tested device; the invention can realize the simultaneous test of the action logic verification and the information specification function of the tested device, reduces the complexity of the test case design and the type of the calling tester, and improves the test efficiency and reliability.
Description
Technical Field
The invention relates to an automatic relay protection information standard function testing system and a testing method, and belongs to the technical field of automatic relay protection testing.
Background
With the development of economy, the scale of a power grid is continuously enlarged, new power technologies emerge endlessly, the functions of a relay protection device are more perfect and complex, the testing of the relay protection device faces increasingly serious challenges, especially with the steady advance of a smart power grid, the nonstandard problems of relay protection warning information, action information, intermediate node information and the like of different manufacturers are increasingly prominent, great difficulty is brought to the application of a transformer substation and a dispatching end, and in order to make the output content and the information description of the relay protection device of each manufacturer uniform, the national power grid and the southern power grid come out of the relay protection information standard in sequence, and the output information of the relay protection device is standardized.
One of the conventional standard testing methods for information of the relay protection device is to manually drive a relay protection tester to apply fault quantity, and then check the correctness and standardization of relay protection information item by item through an electric power automatic monitoring master station, so that a lot of time and energy are needed to test and verify the information of the relay protection device. The other method realizes semi-automatic information standard test through the pulse tester, but the method increases the complexity of test case design and the types of calling testers, and easily causes the problems of test missing, incomplete test and the like.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides an automatic testing system and a testing method for relay protection information standard function, the downloading of an equipment data model, the execution of a communication command and the standardized comparison of output information of a relay protection device are realized through a 61850 communication protocol engine, a GuideBook tool is used for loading the equipment model to generate a function test and information specification test integrated case, an automatic test center drives a relay protection tester to apply fault quantity through the execution case, then, the relay protection output information obtained from the tested device is compared with the standardized relay protection information set in the test case according to a plurality of result judgment bases such as message appearance sequence, times, names and the like, and finally, the result and various information output by the tested device are recorded, so that a simple and automatic test method is provided for the information standard function test.
In order to achieve the purpose, the invention adopts the following technical scheme:
in a first aspect, the present invention provides an automatic test system and a test method for relay protection information specification function, including: the automatic test control system comprises an automatic test control center, a GuideBook tool, a relay protection device, a relay protection tester and a tested device, wherein the automatic test control center is in communication connection with the GuideBook tool and comprises a 61850 communication protocol engine and a relay protection tester interface program, the automatic test control center is in data communication with the relay protection device through the 61850 communication protocol engine, the automatic test control center is connected with the relay protection tester through the relay protection tester interface program, and the automatic test control center is in data communication with the tested device through an IEC61850 protocol.
In a second aspect, the present invention provides a method for testing an automatic testing system according to the relay protection information specification function, which is applied to an automatic test control center, and the method includes:
executing a pre-generated information standard test case, and driving a relay protection tester to apply fault quantity;
acquiring relay protection output information from a tested device;
comparing the relay protection output information with standard relay protection information set in an information specification test case according to a plurality of result judgment bases to obtain a judgment result;
the method for generating the information specification test case comprises the following steps:
downloading an equipment data model in the relay protection device through a 61850 communication protocol engine, and exporting and storing the equipment data model;
and importing the equipment data model into a guideBook tool, and generating an information specification test case by using the guideBook tool.
Further, the determination of the multiple results includes determination of the occurrence order, the number of times of the messages and the names of the messages.
Further, the data set of the device data model includes:
the protection action information includes: a protection event;
the alarm information includes: fault signals, alarm signals, communication working conditions and protection functions are locked;
the on-line monitoring information includes: alternating current sampling;
the state displacement information includes: the remote signaling protection, the pressure plate protection, the function protection state, the device running state and the remote operation protection function switching are carried out.
Further, the information specification test case comprises a test parameter editing module, a protection communication command module and an electrical quantity information editing module.
Further, when the information specification automatic test case is executed, firstly, the test parameters are edited by a parameter editing module, and the edited parameters include: the time delay before communication, the time delay after communication, the time before fault, the time margin after fault, the rated current, the rated voltage, the absolute error of current, the relative error of current, the absolute error of time, the relative error of time, the absolute error of voltage, the relative error of voltage, the absolute error of impedance and the relative error of impedance.
Further, the functions implemented by the protection communication command module include: enumerating equipment data models, reading data set values, modifying data set values, remotely controlling, resetting, reading/modifying a current fixed value operation area, starting reports and analyzing protection reports; modifying the data set value comprises modifying a fixed value and putting on or off a soft pressing plate; the reading of the data set values includes reading a measured value, reading a constant value, reading a platen state, reading an SOE.
Furthermore, after the communication command for reading the SOE is put in the action logic verification of the tested device when the command for modifying the data set value is executed, the combination of the function test case and the information specification test case is realized, and the action logic verification of the tested device and the test of the information specification function are simultaneously carried out.
Further, the step of setting the standardized relay protection information in the SOE reading communication command includes: standardized information names, information verification modes, information occurrence times and information data values.
Furthermore, the electrical quantity information editing module is used for setting fault types, fault parameters and result judgment scripts which need to be simulated, and the result judgment scripts can realize calculation of relative errors and absolute errors and logic judgment of action results.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention provides a relay protection information specification function automatic test system and a test method, which realize downloading of an equipment data model, execution of a communication command and standardization comparison of output information of a relay protection device through a 61850 communication protocol engine, utilize a GuideBook tool to load the equipment model to generate a function test and information specification test integrated case, drive a relay protection tester to apply fault quantity through the execution case by an automatic test center, compare relay protection output information obtained from a tested device with standardized relay protection information set in the test case according to a plurality of result judgment bases such as message appearance sequence, times, names and the like, and finally record results and various information output by the tested device, thereby providing a simple and rapid and automatic test method for information specification function test.
2. The method can solve the problems that the technology and the mode excessively depend on personal ability, the testing work efficiency is low and the like in the information specification testing process, provides an automatic testing method aiming at the relay protection information specification, high efficiency and convenience, and achieves the purposes of reducing personnel requirements, simplifying the work process and improving the testing efficiency.
3. And simultaneously carrying out action logic verification and information specification function test on the tested device by integrating the function test case and the information specification test case. And then comparing the relay protection output information obtained from the tested device with the standard relay protection information set in the test case according to a plurality of result judgment bases such as message appearance sequence, times, names and the like. And the manual verification error, the complexity of test case design and the type of calling a tester are reduced.
4. The design idea of the method has important practical significance in the aspects of improving the testing efficiency and reliability.
Drawings
Fig. 1 is a framework flow chart for implementing an automatic test case for relay protection information specification function.
Fig. 2 is a relay protection information specification automatic test case.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Example 1
This embodiment introduces a relay protection information standard function automatic test system, includes: the automatic test control system comprises an automatic test control center, a GuideBook tool, a relay protection device, a relay protection tester and a tested device, wherein the automatic test control center is in communication connection with the GuideBook tool and comprises a 61850 communication protocol engine and a relay protection tester interface program, the automatic test control center is in data communication with the relay protection device through the 61850 communication protocol engine, the automatic test control center is connected with the relay protection tester through the relay protection tester interface program, and the automatic test control center is in data communication with the tested device through an IEC61850 protocol.
Example 2
The embodiment provides a method for testing an automatic test system for relay protection information specification functions, which is applied to an automatic test control center, and the method comprises the following steps:
executing a pre-generated information standard test case, and driving a relay protection tester to apply fault quantity;
acquiring relay protection output information from a tested device;
comparing the relay protection output information with standard relay protection information set in an information specification test case according to a plurality of result judgment bases to obtain a judgment result;
the method for generating the information specification test case comprises the following steps:
downloading an equipment data model in the relay protection device through a 61850 communication protocol engine, and exporting and storing the equipment data model;
and importing the equipment data model into a guideBook tool, and generating an information specification test case by using the guideBook tool.
The present embodiment will be further described with reference to the drawings.
A frame flow chart for realizing an automatic test case of a relay protection information specification function as shown in fig. 1 includes a design of the automatic test case of the information specification, an automatic test center executes the automatic test case of the information specification, and the automatic test center communicates with a relay protection device through a 61850 communication protocol engine program to complete a communication command function designed in the test case; the relay protection tester is driven to apply fault quantity by calling a relay protection tester interface program, then the relay protection output information obtained from the tested device is compared with the standardized relay protection information set in the test case according to a plurality of result judgment bases such as message appearance sequence, times and names, and finally the result and various information output by the tested device are recorded.
The relay protection tester adopted by the embodiment is an Oncui B660 series tester, data communication is carried out between the automatic test control center and the tested device through an IEC61850 protocol, and editing and design of the information specification test case are realized through a GuideBook tool. The design steps of the information specification test case are as follows:
step one, the automatic test control center links to each other with relay protection device communication net gape through the network mode, starts 61850 communication protocol engine program, sets up the IP address when online with relay protection device, downloads the equipment data model among the relay protection device, and wherein the model data set that will download includes:
a) the protection action information includes: protection events (dsTripInfo);
b) the alarm information includes: fault signal (dsAlarm), alarm signal (dsWarning), communication condition (dsCommState), protection function lockout (dsRelayBlk);
c) the on-line monitoring information includes: ac sampling (dsRelayAin);
d) the state displacement information includes: protection remote signaling (dsRelayDin), protection pressure plate (dsRelayEna), protection function state (dsRelayState), device running state (dsDeviceState), remote operation protection function switching (dsRelayFunEn)
And exporting the corresponding model file after downloading is finished, and saving the exported equipment data model in a ttxml file format.
Step two, opening a guideBook tool to import the equipment data model, editing test parameters, and modifying options including: the time delay before communication, the time delay after communication, the time before fault, the time margin after fault, the rated current, the rated voltage, the absolute error of current, the relative error of current, the absolute error of time, the relative error of time, the absolute error of voltage, the relative error of voltage, the absolute error of impedance and the relative error of impedance.
Adding a protection communication command module to realize enumeration of the equipment data model, reading of a data set value, initialization of the data set value, remote control, resetting, reading/modification of a current fixed value operation area, starting of a report and analysis of a protection report; initializing a data set value comprises modifying a fixed value and putting on or off a soft pressing plate; reading the data set includes reading measured values, reading constant values, reading platen status, reading SOE, and the like.
And step four, adding an electric quantity module, selecting an electric quantity item, setting a fault type, a fault parameter and a result judgment script which need to be simulated, and editing the result judgment script to realize calculation of a relative error and an absolute error and logic judgment of an action result.
And fifthly, adding a communication command for reading the SOE in the electrical quantity project, wherein the command is placed after the action logic of the tested device is verified, so that the combination of a function test case and an information specification test case is realized, and the action logic verification of the tested device and the test of the information specification function are performed at the same time.
Step six, setting standard relay protection information in the SOE communication command, including: standardized information names, information verification modes, information occurrence times, information data values and the like. And then comparing the relay protection output information obtained from the tested device with the standard relay protection information set in the test case according to a plurality of result judgment bases such as message appearance sequence, times, names and the like.
And step seven, editing a report format, associating the action value, the action time, the relative error, the absolute error and relay protection output information obtained from the tested device, and automatically filling various data and judging results when the test is finished.
The key part of the design method of the relay protection information specification function automatic test case is the design of the test case, and the test case is generated by a test template editing tool GuideBook as shown in figure 2. The test case application has the characteristics of reusability and effectiveness, and the test case can be flexibly designed according to different relay protection devices through the open design of the relay protection automatic test system.
The information specification test case of the relay protection device comprises two parts: and verifying the fault application quantity of the action logic of the tested device and verifying the communication command of relay protection output information standardization, wherein the fault application quantity comprises general parameters and fault parameter setting, namely the fault type needs to be set before testing, and the setting comprises fault application quantity, fault setting duration and the like. The communication command for verifying the standardization of the relay protection output information is an important step in the whole information standard test, and comprises the steps of outputting protection action information, outputting on-line monitoring information, outputting state information, functional state information, locking and outputting alarm information, and comparing the message with the standardized relay protection information set in a case to judge multiple results such as the occurrence sequence, the times, the name and the like. And finally, the designed test case is operated through the automatic test control center, so that the functions of automatic data filling, data comparison and analysis, result judgment and the like are realized.
The embodiment analyzes the action principle of the relay protection device, makes full use of the existing technical support in the industry, and elaborates the design method of the relay protection information standard function automatic test case in the aspects of a general frame, a wiring mode, a test case and the like of the design method of the relay protection information standard function automatic test case.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a relay protection information standard function automatic test system which characterized in that includes: the automatic test control system comprises an automatic test control center, a GuideBook tool, a relay protection device, a relay protection tester and a tested device, wherein the automatic test control center is in communication connection with the GuideBook tool and comprises a 61850 communication protocol engine and a relay protection tester interface program, the automatic test control center is in data communication with the relay protection device through the 61850 communication protocol engine, the automatic test control center is connected with the relay protection tester through the relay protection tester interface program, and the automatic test control center is in data communication with the tested device through an IEC61850 protocol.
2. A testing method of the relay protection information specification function automatic testing system according to claim 1, applied to an automatic test control center, the method comprising:
executing a pre-generated information standard test case, and driving a relay protection tester to apply fault quantity;
acquiring relay protection output information from a tested device;
comparing the relay protection output information with standard relay protection information set in an information specification test case according to a plurality of result judgment bases to obtain a judgment result;
the method for generating the information specification test case comprises the following steps:
downloading an equipment data model in the relay protection device through a 61850 communication protocol engine, and exporting and storing the equipment data model;
and importing the equipment data model into a guideBook tool, and generating an information specification test case by using the guideBook tool.
3. The test method of claim 2, wherein the determination of the plurality of results comprises determination of an order of occurrence, a number of times of occurrence, and a name of the message.
4. The testing method of claim 2, wherein the data set of the device data model comprises:
the protection action information includes: a protection event;
the alarm information includes: fault signals, alarm signals, communication working conditions and protection functions are locked;
the on-line monitoring information includes: alternating current sampling;
the state displacement information includes: the remote signaling protection, the pressure plate protection, the function protection state, the device running state and the remote operation protection function switching are carried out.
5. The testing method according to claim 2, wherein the information specification test case comprises a test parameter editing module, a protection communication command module, and an electrical quantity information editing module.
6. The testing method of claim 5, wherein when the information specification automatic test case is executed, the test parameters are first edited by a parameter editing module, where the edited parameters include: the time delay before communication, the time delay after communication, the time before fault, the time margin after fault, the rated current, the rated voltage, the absolute error of current, the relative error of current, the absolute error of time, the relative error of time, the absolute error of voltage, the relative error of voltage, the absolute error of impedance and the relative error of impedance.
7. The testing method of claim 5, wherein the functions implemented by the protection communication command module include: enumerating equipment data models, reading data set values, modifying data set values, remotely controlling, resetting, reading/modifying a current fixed value operation area, starting reports and analyzing protection reports; modifying the data set value comprises modifying a fixed value and putting on or off a soft pressing plate; the reading of the data set values includes reading a measured value, reading a constant value, reading a platen state, reading an SOE.
8. The test method of claim 7, wherein the communication command for reading the SOE when executing the command for modifying the data set value is placed after the verification of the operation logic of the device under test, so as to integrate the functional test case and the information specification test case and simultaneously perform the verification of the operation logic of the device under test and the test of the information specification function.
9. The testing method of claim 8, wherein the step of setting the standardized relay protection information in the SOE communication command comprises: standardized information names, information verification modes, information occurrence times and information data values.
10. The testing method according to claim 5, wherein the electrical quantity information editing module is configured to set a fault type, a fault parameter and a result judgment script that need to be simulated, and the result judgment script can implement calculation of a relative error and an absolute error and logic judgment of an action result.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116953383A (en) * | 2023-05-16 | 2023-10-27 | 国电南瑞科技股份有限公司 | Automatic line protection testing method and system capable of simulating abnormality of optical fiber channel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116953383A (en) * | 2023-05-16 | 2023-10-27 | 国电南瑞科技股份有限公司 | Automatic line protection testing method and system capable of simulating abnormality of optical fiber channel |
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