CN110691008B - Intelligent management unit test system and test method - Google Patents
Intelligent management unit test system and test method Download PDFInfo
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- CN110691008B CN110691008B CN201910942370.XA CN201910942370A CN110691008B CN 110691008 B CN110691008 B CN 110691008B CN 201910942370 A CN201910942370 A CN 201910942370A CN 110691008 B CN110691008 B CN 110691008B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/50—Testing arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/06—Generation of reports
- H04L43/065—Generation of reports related to network devices
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Abstract
The invention discloses an intelligent management unit test system and a test method, wherein the system comprises a 61850 monitoring background simulation module, a 61850 service equipment simulation module, a test scheme automatic generation module and an intelligent management unit test execution module, wherein the test scheme automatic generation module is connected with the intelligent management unit test execution module; the 61850 monitoring background simulation module and the 61850 service equipment simulation module are respectively connected with the intelligent management unit through 61850 to carry out MMS communication; the intelligent management unit test execution module is in communication connection with the 61850 monitoring background simulation module and the 61850 service equipment simulation module; the system input information is CID/ICD files, the output information is test reports, the information input is realized through the automatic generation module of the test scheme, and the information output is realized through the test execution module of the intelligent management unit. The closed-loop test of the management unit is realized in a software mode, so that the labor cost is reduced, and the debugging period is shortened; the software realizes test comparison, so that the test accuracy can be ensured, and the risk after the equipment is put into operation is reduced.
Description
Technical Field
The invention relates to the field of relay protection of power systems, in particular to a test system of an intelligent management unit, and also relates to a closed-loop test method of the intelligent management unit.
Background
The intelligent management unit for on-site protection is called 'intelligent management unit' for short, and carries out intelligent management on the on-site protection device, integrates elements to protect information of each submachine, and realizes information interaction between the station control layer equipment and on-site protection through proxy service. The intelligent management unit network structure is shown in fig. 1, the in-station in-situ protection three-in-one network is used for forming a protection private network, the intelligent management unit is connected with the protection private network to acquire protection data, and is simultaneously connected with a station control layer MMS network to transmit the protection data to other station control layer equipment.
The intelligent management unit is generated along with the occurrence of on-site protection, and because the application time of the on-site protection is short, the existing test method of the intelligent management unit mainly comprises the steps of connecting the intelligent management unit to the on-site protection, connecting a 61850 monitoring background to the intelligent management unit, monitoring the reading/writing fixed value, a pressing plate and the like of the background in a manual mode through the 61850, and checking and confirming whether the reading/writing command is executed correctly or not in a manual mode. Because the number of the fixed value and the pressing plate is more than one, the number of the fixed value such as transformer protection can reach dozens, the workload is large by adopting a manual one-by-one modification mode, and the working efficiency of field debugging is greatly reduced.
Disclosure of Invention
The invention aims to: the invention aims to provide an intelligent management unit testing system, and the invention also aims to provide a closed-loop testing method of the intelligent management unit, which realizes the closed-loop testing of the management unit by a software mode and replaces the traditional manual testing mode.
The technical scheme is as follows: an intelligent management unit test system comprising:
the 61850 monitoring background simulation module establishes 61850 connection with the intelligent management unit to carry out MMS communication;
the 61850 service equipment simulation module establishes 61850 connection with the intelligent management unit to carry out MMS communication;
the automatic test scheme generation module is connected with the intelligent management unit test execution module and used for importing CID/ICD files, generating an intelligent management unit test scheme and transmitting the intelligent management unit test scheme to the intelligent management unit test execution module; the test scheme defines an execution flow and a test result judgment method of a remote read command test/remote write command test;
and the intelligent management unit test execution module is used for importing an intelligent management unit test scheme, is in communication connection with the 61850 monitoring background simulation module and the 61850 service equipment simulation module respectively, executes a test according to a flow designed by the test scheme and generates a test report.
An intelligent management unit testing method based on the intelligent management unit testing system comprises the following steps:
step 1, a test scheme automatic generation module imports and analyzes a CID/ICD file, verifies the validity of the CID/ICD file, and generates a test scheme according to different data set types in the CID/ICD file and data objects in a corresponding data set; the data set types comprise a fixed value data set and a pressure plate data set.
Step 2, the test scheme automatic generation module stores the CID/ICD file content into the test scheme, and the 61850 service equipment simulation module simulates the 61850 service equipment corresponding to the CID/ICD;
step 3, transmitting the test scheme to an intelligent management unit test execution module;
step 4, the intelligent management unit test execution module executes each test point in sequence according to a test scheme, wherein the test scheme comprises two types of test items of a remote write command test item and a remote read command;
and step 5, the intelligent management unit test execution module fills the test result into the test report, and sequentially executes the communication process of the next test point until the test of all the test points is completed, thereby generating the test report.
Further, the remote write command test item in step 4 specifically includes the following contents:
(1) the intelligent management unit test execution module sends a fixed value/pressure plate write command to the 61850 monitoring background simulation module, wherein the command content comprises an information point path and an information point value;
(2) the 61850 monitoring background analog module establishes 61850 connection with the intelligent management unit to carry out MMS communication, and sends a constant value/pressure plate modification command;
(3) the successful/failed result of the MMS communication command execution is fed back to the intelligent management unit test execution module;
(4) the intelligent management unit test execution module receives the execution failure command, and the test is unqualified; the intelligent management unit test execution module sends an information point reading command to the 61850 service equipment simulation module after receiving the execution success command;
(5) and the 61850 service equipment simulation module feeds the corresponding information point value back to the intelligent management unit test execution module, and compares whether the modified information point value is consistent with the finally read information point value, if the consistency test is qualified, the inconsistency test is unqualified.
Further, the remote read command test item in step 4 specifically includes the following contents:
(1) the intelligent management unit test execution module sends a write information point command to the 61850 service equipment simulation module;
(2) the 61850 service equipment simulation module writes the corresponding data value into the information point, and after the writing is finished, the intelligent management unit is informed to test the execution module;
(3) after receiving the notification, the intelligent management unit test execution module sends a fixed value/pressure plate reading command to the 61850 monitoring background simulation module;
(4) the 61850 monitoring background simulation module establishes 61850 connection with the intelligent management unit to carry out MMS communication, and sends a constant value/pressure plate reading command;
(5) the successful/failed result of the MMS communication command execution and the read value are fed back to the intelligent management unit test execution module;
(6) if the reading fails, the test is unqualified; if the reading is successful, comparing whether the modified information point value is consistent with the finally read information point value, if the consistency test is qualified, the inconsistency test is unqualified.
Compared with the prior art, the invention has the following remarkable progress: 1. the existing testing method adopting a manual mode needs to modify the fixed value and the pressing plate one by one manually and directly communicate with local protection to check and confirm, the actual workload is large and tedious, and the method reduces the labor cost and shortens the debugging period; 2. for on-site transformer protection devices and the like, because the fixed value quantity is large, the manual test is adopted, errors are easy to occur, the method provided by the patent is adopted, the test comparison is realized by software, the test accuracy can be ensured, and the risk after the equipment is put into operation is reduced.
Drawings
FIG. 1 is a schematic diagram of a network architecture of an intelligent management unit of the present invention;
FIG. 2 is a block diagram of an intelligent management unit testing system.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the present invention will be clearly and completely described below with reference to the embodiments and the accompanying drawings.
As shown in fig. 1, which is a schematic diagram of a network structure of an intelligent management unit, a private in-station protection three-in-one network is used to form a private protection network, and the intelligent management unit is connected to the private protection network to obtain protection data and simultaneously connected to a station control layer MMS network to transmit the protection data to other station control layer devices.
As shown in fig. 2, the intelligent management unit test system of the present invention includes an intelligent management unit, a 61850 service device simulation module, a 61850 monitoring background simulation module, a test scheme automatic generation module, and an intelligent management unit test execution module, wherein the intelligent management unit is a tested device of the system, and is respectively in communication connection with the 61850 service device simulation module and the 61850 monitoring background simulation module, and both the 61850 service device simulation module and the 61850 monitoring background simulation module are in communication connection with the intelligent management unit test execution module; the test scheme automatic generation module transmits the generated test scheme to the intelligent management unit test execution module; the test scheme automatic generation module realizes system information input, and the intelligent management unit test execution module realizes system information output.
The automatic generation module of the test scheme comprises the following functions:
1) importing and analyzing CID/ICD files, verifying the validity of the CID/ICD files, supporting importing a plurality of CID/ICDs, searching fixed values and pressure plate data set information in a CID/ICD equipment model to generate all fixed value and pressure plate information point test schemes;
2) and transmitting the generated test scheme to an intelligent management unit test execution module.
The intelligent management unit test execution module comprises the following functions:
1) executing the test scheme according to the test flow designed by the test scheme;
2) transferring the CID/ICD file path to a 61850 service equipment simulation module, and informing the 61850 service equipment simulation module to simulate 61850 service equipment corresponding to the CID/ICD;
3) the read/write operation control of the intelligent management unit is realized by sending fixed value and pressing plate read/write commands to the 61850 monitoring background simulation module. The command content includes: (1) setting values and pressing plate information point path information; (2) corresponding control command types (read operation, write operation); (3) also for write operations information point data values are included.
4) The actual value of the current information point is read or modified by sending a read/write information point value command to the 61850 service device emulation module.
5) And comparing whether the value sent to the 61850 monitoring background write command is consistent with the value of the 61850 service equipment simulation module read information point, and comparing whether the value sent to the 61850 service equipment simulation module write information point is consistent with the value of the 61850 monitoring background read command, wherein if the consistency test is qualified, the inconsistency test is unqualified.
6) And generating a test report of each information point, and deriving the whole test report.
61850 monitoring background analog module includes the following functions:
1) receiving a read-write command sent by an intelligent management unit test execution module;
2) MMS communication is carried out with the intelligent management unit, and the read-write operation of the fixed value and the pressing plate is realized;
3) the success/failure result of the command execution is transmitted to the intelligent management unit test execution module;
4) and for the read operation, transmitting the read result to the intelligent management unit test execution module.
The 61850 service equipment simulation module comprises the following functions:
1) and receiving a 61850 service simulation command sent by the intelligent management unit test execution module, analyzing the CID/ICD according to the CID/ICD file path, and simulating the corresponding 61850 service.
2) Receiving a read/write information point value command sent by an intelligent management unit test execution module;
3) the 61850 simulation service equipment module is used for MMS communication with the intelligent management unit;
4) transmitting success/failure results of command execution to the intelligent management unit test execution module;
5) and for the read command, transmitting the read result to the intelligent management unit test execution module.
Examples
As shown in fig. 2, the input information of the intelligent management unit test system is a CID/ICD file.
Step one, importing a CID/ICD file by a test scheme automatic generation module:
1) analyzing the CID/ICD file and verifying the file validity;
2) analyzing the fixed value and the pressing plate data set in the CID/ICD file and generating a test scheme aiming at all the fixed values and the pressing plates of the CID/ICD according to the type of the data set;
3) and transmitting the generated test scheme to the intelligent management unit test execution module.
Step two, the intelligent management unit test execution module imports a test scheme:
1) displaying the content of the test scheme in a table mode, wherein the content comprises information of all information points to be tested, communication types (constant value operation/pressing plate operation), command types (read command/write command), test values, test results and the like;
2) the intelligent management unit test execution module transmits the path of the CID/ICD file to the 61850 service equipment simulation module, the 61850 service equipment simulation module analyzes the CID/ICD file to create a 61850 service end of the IED equipment corresponding to the CID/ICD file, the IP address is added to the network card according to the IP address in the CID/ICD file, and the 61850 service is bound to the IP address.
Step three, executing each test point in sequence according to the test scheme:
remote modify value/platen (write command) test item:
1) the intelligent management unit test execution module sends a fixed value/pressure plate write command to the 61850 monitoring background simulation module, wherein the command content comprises an information point path, an information point value and the like;
2) the 61850 monitoring background analog module establishes 61850 connection with the intelligent management unit to carry out MMS communication, and sends a constant value/pressure plate modification command;
3) the MMS communication command execution result (success/failure) is fed back to the intelligent management unit test execution module;
4) the intelligent management unit test execution module receives the execution failure command, and the test is unqualified; the intelligent management unit test execution module receives the execution success command, and then sends an information point reading command to the 61850 service equipment simulation module;
5) and the 61850 service equipment simulation module feeds the corresponding information point value back to the intelligent management unit test execution module, and compares whether the modified information point value is consistent with the finally read information point value, if the consistency test is qualified, the inconsistency test is unqualified.
Remote read value/platen (read command) test item:
1) the intelligent management unit test execution module sends a write information point command to the 61850 service equipment simulation module;
2)61850 service equipment emulation module write the corresponding data value into the information point, after finishing writing, notify the intelligent management unit and test the execution module;
3) after receiving the notification, the intelligent management unit test execution module sends a fixed value/pressure plate reading command to the 61850 monitoring background simulation module;
4) the 61850 monitoring background simulation module establishes 61850 connection with the intelligent management unit to carry out MMS communication, and sends a constant value/pressure plate reading command;
5) the MMS communication command execution result (success/failure) and the read value are fed back to the intelligent management unit test execution module;
6) if the reading fails, the test is unqualified; if the reading is successful, comparing whether the modified information point value is consistent with the finally read information point value, if the consistency test is qualified, the inconsistency test is unqualified.
And step four, filling the test result into the test report, and after the filling is finished, sequentially executing the communication process of the next test point until the test of all the test points is finished.
Claims (3)
1. An intelligent management unit testing method is characterized by comprising the following steps:
step 1, a test scheme automatic generation module is connected with an intelligent management unit test execution module, a CID/ICD file is imported and analyzed, the validity of the CID/ICD file is verified, and a test scheme is generated according to different data set types in the CID/ICD file and data objects in corresponding data sets;
step 2, the test scheme automatic generation module stores the CID/ICD file content into the test scheme, and the 61850 service equipment simulation module simulates the 61850 service equipment corresponding to the CID/ICD;
step 3, transmitting the test scheme to an intelligent management unit test execution module;
step 4, the intelligent management unit test execution module executes each test point in sequence according to a test scheme, wherein the test scheme comprises two types of test items of a remote write command test item and a remote read command, and the remote write command test item comprises the following contents:
(1) the intelligent management unit test execution module sends a fixed value/pressure plate write command to the 61850 monitoring background simulation module, and the command content comprises an information point path and an information point value;
(2) the 61850 monitoring background analog module establishes 61850 connection with the intelligent management unit to carry out MMS communication, and sends a constant value/pressure plate modification command;
(3) the successful/failed result of the MMS communication command execution is fed back to the intelligent management unit test execution module;
(4) the intelligent management unit test execution module receives the execution failure command, and the test is unqualified; the intelligent management unit test execution module receives the execution success command, and then sends an information point reading command to the 61850 service equipment simulation module;
(5) the 61850 service equipment simulation module establishes 61850 connection with the intelligent management unit to carry out MMS communication, feeds back the corresponding information point value to the intelligent management unit test execution module, and compares whether the modified information point value and the finally read information point value are consistent, if the consistent test is qualified, the inconsistent test is unqualified;
and 5, importing an intelligent management unit test scheme into the intelligent management unit test execution module, respectively communicating and connecting the intelligent management unit test scheme with the 61850 monitoring background simulation module and the 61850 service equipment simulation module, filling the test result into the test report according to the flow designed by the test scheme, and sequentially executing the communication flow of the next test point until the test of all the test points is completed to generate the test report.
2. The SMU testing method of claim 1, wherein the remote read command test items in step 4 specifically include the following:
(1) the intelligent management unit test execution module sends a write information point command to the 61850 service equipment simulation module;
(2) the 61850 service equipment simulation module writes the corresponding data value into the information point, and after the writing is finished, the intelligent management unit is informed to test the execution module;
(3) after receiving the notification, the intelligent management unit test execution module sends a fixed value/pressure plate reading command to the 61850 monitoring background simulation module;
(4) the 61850 monitoring background simulation module establishes 61850 connection with the intelligent management unit to carry out MMS communication, and sends a constant value/pressure plate reading command;
(5) the successful/failed result of the MMS communication command execution and the read value are fed back to the intelligent management unit test execution module;
(6) if the reading fails, the test is unqualified; if the reading is successful, comparing whether the modified information point value is consistent with the finally read information point value, if the consistency test is qualified, the inconsistency test is unqualified.
3. The intelligent management unit testing method of claim 1, wherein: in step 1, the data set types include a fixed value data set and a pressure plate data set.
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