CN111708700A - Intelligent telemechanical closed-loop comprehensive test method - Google Patents
Intelligent telemechanical closed-loop comprehensive test method Download PDFInfo
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Abstract
The invention discloses an intelligent remote motor closed loop comprehensive test method, which comprises the following steps: the method comprises the steps of accurately simulating an IED device and a simulation scheduling master station system in a simulation station by loading a SCD (substation configuration description) file of the whole substation of the substation to be tested, intelligently generating a test case scheme aiming at a certain remote motor in a software guide mode, automatically testing in a one-key closed loop mode, and automatically exporting a test report after the test is completed. The invention can obviously reduce the interference of artificial factors in the test of the common telemechanical machine to the test process, improve the test efficiency and ensure the test normalization and reliability.
Description
Technical Field
The invention relates to a closed-loop comprehensive test method for an intelligent telecontrol machine, and belongs to the technical field of test systems for intelligent telecontrol machines.
Background
The intelligent remote motivation is one of the most important secondary devices of the power system, a panoramic data center is built in a master station according to the requirements of secondary integrated construction of a southern power grid, all professional data need to be integrated, and the intelligent remote motivation is mainly responsible for unified acquisition, processing, storage, transmission and the like of data of a transformer substation, so that the intelligent remote motivation is greatly popularized and applied.
At present, a high-efficiency means is lacked for testing the functions and the performances of the intelligent remote machine during operation or maintenance of a transformer substation, complete testing can be carried out only by depending on the cooperation of an actual device in a site station and a remote dispatching system, time and labor are consumed, and the conditions of test result errors caused by human factors exist.
The conventional technical scheme for testing the intelligent remote motivation is shown in fig. 1, and mainly includes two types of tests, namely, a function test and a performance test for the intelligent remote motivation.
1) Functional testing
The method comprises the steps that in-station testers carry out one-to-one triggering signals on each protection and measurement and control device in the modes of outputting analog quantity, manually triggering to open and enter and the like through a traditional protection tester, simultaneously, the telephone contacts remote scheduling background system personnel to inquire whether related signal quantity is received by a main station system, finally, whether a test result meets experimental requirements is judged manually, and data recording is carried out on a paper telecontrol point-to-point test outline.
For control tests, a control command (remote control or remote regulation) is firstly initiated to a certain primary device on a remote dispatching background system, the intelligent telecontrol machine is sent to a corresponding measurement and control device after receiving the control command, and a tester in the station confirms whether the corresponding primary device is controlled correctly or not.
The workload and time of the point-to-point test are related to the number of devices and signals in the transformer substation, and the time and the labor are consumed.
2) And (3) performance pressure test:
performance testing requires a lot of preparation. At least 10 measurement and control devices are prepared by a tester in a station, and the 10 measurement and control devices are triggered to send 20 point remote signals (20 point remote signals in each case, 200 points in total) at the same time, 1 time in 1 second and 40 times in total (8000 point remote signals in total).
And the remote scheduling background system receives and counts the number of remote signaling points sent by the intelligent remote machine and judges whether the intelligent remote machine has fewer or more remote signaling points.
The existing intelligent telecontrol machine testing method has the following defects:
1) the test of the intelligent remote motivation can be completely tested only by depending on the cooperation of an actual device in a field station and a remote dispatching system; the test efficiency is low, the test arrangement is time-consuming and labor-consuming, and the test result error caused by human factors exists.
2) When the manual trigger signal or analog quantity of the whole station device is changed, the in-station tester faces various device manufacturers and models, the testing methods of different devices are different, the testing workload is large, and the randomness, blindness, redundancy or omission of the test is easily caused.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the intelligent remote motor closed-loop comprehensive test system based on the abstract test case template mechanism is provided, a test system is used for loading an SCD (substation configuration description) file of a transformer substation, IED (intelligent electronic device) devices (up to 255) in a simulation station and a simulation scheduling master station system are accurately simulated, a remote motor test case scheme is intelligently generated, one-key closed-loop automatic test is performed, a test report is automatically exported, interference of human factors to the test process is reduced, the test efficiency is improved, and the test reliability is guaranteed.
The technical scheme adopted by the invention is as follows: an intelligent telemechanical closed-loop comprehensive test method comprises an intelligent telemechanical closed-loop comprehensive test system, wherein the intelligent telemechanical closed-loop comprehensive test system comprises a simulation scheduling master station, a simulation device and an intelligent telemechanical, the simulation scheduling master station is connected to the simulation device and the intelligent telemechanical, and the simulation device is connected with the intelligent telemechanical, and the method comprises the following steps:
the method comprises the following steps: generating an abstract test case scheme aiming at a certain remote motivation through a newly-built project guide in a test system;
step two: the test system performs instantiation on the abstract test cases one by loading a whole station configuration file SCD of the transformer substation to be tested, and associating devices and test point signals;
step three: 4 network ports of an intelligent telecontrol tester (an industrial personal computer) are connected with corresponding network ports of an intelligent telecontrol machine to be tested through 4 network cables;
step four: configuring a simulated dispatching master station system IP address, communication protocols (IEC 104 and IEC 101) and communication medium parameters (network and serial ports) corresponding to the remote transmission area;
step five: providing a guide window through software, enabling a tester to freely select a functional item test case to be tested, saving the functional item test case as project. xml file after the selection is completed, entering an automatic testing main thread mode, and starting to automatically test the intelligent telemotive;
step six: after the test is finished, the test system judges the test result and automatically generates a more scientific and complete test report.
A first network port and a second network port of the four network ports of the intelligent telecontrol tester are respectively used as an A network and a B network of the in-station simulation device to establish IEC61850 communication with the tested intelligent telecontrol machine; the third network port is used as a simulation scheduling master station system and establishes IEC104 communication with the tested intelligent telecontrol machine; and the network port IV is used as a simulation protection information master station system and establishes IEC103 communication with the tested intelligent telecontrol machine.
After the configuration file SCD of the whole substation of the transformer substation to be tested is loaded, the test system can analyze the configuration file SCD, obtain IP addresses, LD, LN and DA leaf information of all IEC61850 devices in the substation, store the leaf information into an XML format file, import a remote transmission region point table file xls or RCD file of the intelligent remote machine, and obtain data measuring points of communication interaction between the remote machine and the scheduling main station system.
The implementation method of the abstract test case scheme comprises the following steps: storing according to the hierarchical classification mode of 'test category/test case subtype', and gradually forming a template warehouse, wherein the abstract template stores the test type, the number of participating devices, the number of signal measuring points and abstract parameters of a discrimination script.
The abstract test case scheme is stored in an XML format.
The abstract test case scheme comprises a function class abstract test case template and a performance class abstract test case template, wherein the function class abstract test case template comprises a remote control test case, an SOE signal test case, a remote control switching test case, a remote control case, an IED communication state uploading case, a telemechanical logic operation function test case, an accident total triggering test case, an overhaul state test case, a remote measurement dead zone case, a remote measurement overload case, a quality q test case and a telemechanical manufacturer integrated tool manual monitoring case; the performance type test case template comprises: the test system comprises a telecontrol storage capacity test case, an avalanche simulation test case and a total station decompression test case.
The test method of the function item test case comprises the following steps: and communicating the device process 61850server.exe related in the test sub item through a named pipe (named pipe), enabling the analog trigger signal or analog quantity to change, sending the analog trigger signal or analog quantity to the tested intelligent remote motivation, sending the analog trigger signal or analog quantity to the analog scheduling master station system, and after receiving corresponding data content, forwarding the data content to the automatic test main thread to form a closed-loop test of the test case.
The invention has the beneficial effects that: compared with the prior art, the invention has the following effects:
1) according to the invention, software simulation is adopted to accurately simulate IED devices (simulating 255 at most) and a simulation scheduling master station system in a simulation station, and trigger signals and commands to form a closed loop of a test process;
2) the abstract test case template establishes the abstract test information of the device to the maximum extent, and a client can quickly and intelligently generate a complete test scheme according to the test requirement, thereby effectively avoiding the defects of limited test range coverage, missing items and the like in the test;
3) in the one-key closed-loop automatic test and 24-hour automatic test, a tester can complete the test in four steps, and can operate repeated tests, so that the test efficiency is greatly improved;
4) according to the invention, the test report is automatically exported, the report format is customized according to the requirements of users, each test data is automatically recorded, and the test report is automatically exported after the test is finished, so that the defect that the analysis and the arrangement of the test data take a long time is effectively overcome;
5) the invention reduces the interference of human factors to the test process, improves the test efficiency and ensures the test normalization and reliability.
Drawings
Fig. 1 is a schematic diagram of a conventional intelligent telemotive test.
Fig. 2 is a diagram of an automatic relay protection test system according to the present invention.
FIG. 3 is a diagram of an XML format display of a test case abstraction template file.
Detailed Description
The invention is further described with reference to the accompanying drawings and specific embodiments.
Example 1: as shown in fig. 2, an intelligent telemechanical closed-loop comprehensive test method includes an intelligent telemechanical closed-loop comprehensive test system, the intelligent telemechanical closed-loop comprehensive test system includes a simulation scheduling master station, a simulation device and an intelligent telemechanical, the simulation scheduling master station is connected to the simulation device and the intelligent telemechanical, the simulation device is connected to the intelligent telemechanical, and the method includes the following steps:
the method comprises the following steps: generating an abstract test case scheme aiming at a certain remote motivation through a newly-built project guide in a test system;
step two: the test system performs instantiation on the abstract test cases one by loading a whole station configuration file SCD of the transformer substation to be tested, and associating devices and test point signals; the single abstract test case is used for instantiating the associated devices and the measuring point signals one by one, and the work only needs to be done once, so that the intelligent telecontrol machine of the transformer substation can be used for loading and using at any time in the subsequent automatic test;
step three: 4 network ports of an intelligent telecontrol tester (an industrial personal computer) are connected with corresponding network ports of an intelligent telecontrol machine to be tested through 4 network cables;
step four: configuring a simulated dispatching master station system IP address, communication protocols (IEC 104 and IEC 101) and communication medium parameters (network and serial ports) corresponding to the remote transmission area;
step five: providing a guide window through software, enabling a tester to freely select a functional item test case to be tested, saving the functional item test case as project. xml file after the selection is completed, entering an automatic testing main thread mode, and starting to automatically test the intelligent telemotive;
step six: after the test is finished, the test system judges the test result and automatically generates a more scientific and complete test report.
A first network port and a second network port of the four network ports of the intelligent telecontrol tester are respectively used as an A network and a B network of the in-station simulation device to establish IEC61850 communication with the tested intelligent telecontrol machine; the third network port is used as a simulation scheduling master station system and establishes IEC104 communication with the tested intelligent telecontrol machine; and the network port IV is used as a simulation protection information master station system and establishes IEC103 communication with the tested intelligent telecontrol machine.
After the configuration file SCD of the whole substation of the transformer substation to be tested is loaded, the test system can analyze the configuration file SCD, obtain IP addresses, LD, LN and DA leaf information of all IEC61850 devices in the substation, store the leaf information into an XML format file, import a remote transmission region point table file xls or RCD file of the intelligent remote machine, and obtain data measuring points of communication interaction between the remote machine and the scheduling main station system.
The implementation method of the abstract test case scheme comprises the following steps: storing according to the hierarchical classification mode of 'test category/test case subtype', and gradually forming a template warehouse, wherein the abstract template stores the test type, the number of participating devices, the number of signal measuring points and abstract parameters of a discrimination script.
The abstract test case scheme is stored in an XML format.
The abstract test case scheme comprises a function class abstract test case template and a performance class abstract test case template, wherein the function class abstract test case template comprises a remote control test case, an SOE signal test case, a remote control switching test case, a remote control case, an IED communication state uploading case, a telemechanical logic operation function test case, an accident total triggering test case, an overhaul state test case, a remote measurement dead zone case, a remote measurement overload case, a quality q test case and a telemechanical manufacturer integrated tool manual monitoring case; the performance type test case template comprises: the test system comprises a telecontrol storage capacity test case, an avalanche simulation test case and a total station decompression test case.
The test method of the function item test case comprises the following steps: and communicating the device process 61850server.exe related in the test sub item through a named pipe (named pipe), enabling the analog trigger signal or analog quantity to change, sending the analog trigger signal or analog quantity to the tested intelligent remote motivation, sending the analog trigger signal or analog quantity to the analog scheduling master station system, and after receiving corresponding data content, forwarding the data content to the automatic test main thread to form a closed-loop test of the test case.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention, and therefore, the scope of the present invention should be determined by the scope of the claims.
Claims (9)
1. The intelligent telemechanical closed-loop comprehensive test method comprises an intelligent telemechanical closed-loop comprehensive test system, wherein the intelligent telemechanical closed-loop comprehensive test system comprises a simulation scheduling master station, a simulation device and an intelligent telemechanical, the simulation scheduling master station is connected to the simulation device and the intelligent telemechanical, and the simulation device is connected with the intelligent telemechanical, and the intelligent telemechanical closed-loop comprehensive test method is characterized in that: the method comprises the following steps:
the method comprises the following steps: generating an abstract test case scheme aiming at a certain remote motivation through a newly-built project guide in a test system;
step two: the test system performs instantiation on the abstract test cases one by loading a whole station configuration file SCD of the transformer substation to be tested, and associating devices and test point signals;
step three: 4 net ports of the intelligent telecontrol tester are connected with corresponding net ports of the tested intelligent telecontrol machine through 4 net cables;
step four: configuring a corresponding simulated dispatching master station system IP address, a communication protocol and a communication medium parameter of a remote transmission area;
step five: providing a guide window through software, enabling a tester to freely select a functional item test case to be tested, saving the functional item test case as project. xml file after the selection is completed, entering an automatic testing main thread mode, and starting to automatically test the intelligent telemotive;
step six: after the test is finished, the test system judges the test result and automatically generates a more scientific and complete test report.
2. The intelligent remote motivation closed-loop comprehensive test method according to claim 1, characterized in that: a first network port and a second network port of the four network ports of the intelligent telecontrol tester are respectively used as an A network and a B network of the in-station simulation device to establish IEC61850 communication with the tested intelligent telecontrol machine; the third network port is used as a simulation scheduling master station system and establishes IEC104 communication with the tested intelligent telecontrol machine; and the network port IV is used as a simulation protection information master station system and establishes IEC103 communication with the tested intelligent telecontrol machine.
3. The intelligent remote motivation closed-loop comprehensive test method according to claim 1, characterized in that: after the configuration file SCD of the whole substation of the transformer substation to be tested is loaded, the test system can analyze the configuration file SCD, obtain IP addresses, LD, LN and DA leaf information of all IEC61850 devices in the substation, store the leaf information into an XML format file, import a remote transmission region point table file xls or RCD file of the intelligent remote machine, and obtain data measuring points of communication interaction between the remote machine and the scheduling main station system.
4. The intelligent remote motivation closed-loop comprehensive test method according to claim 1, characterized in that: the implementation method of the abstract test case scheme comprises the following steps: and storing according to a hierarchical classification mode of 'test type/test case subtype' to form a template warehouse, wherein the abstract template stores test types, the number of participating devices, the number of signal measuring points and abstract parameters of a judgment script.
5. The intelligent remote motivation closed-loop comprehensive test method according to claim 4, characterized in that: the abstract test case scheme is stored in an XML format.
6. The intelligent remote motivation closed-loop comprehensive test method according to claim 1, characterized in that: the abstract test case scheme comprises a function class abstract test case template and a performance class abstract test case template.
7. The intelligent remote-operated machine closed-loop comprehensive test method according to claim 6, characterized in that: the function class abstract test case template comprises a remote control test case, an SOE signal test case, a remote control switching test case, a remote control case, an IED communication state uploading case, a telemechanical logic operation function test case, an accident total trigger test case, an overhaul state test case, a remote measurement dead zone case, a remote measurement overload case, a quality q test case and a telemechanical manufacturer integrated tool manual monitoring case.
8. The intelligent remote-operated machine closed-loop comprehensive test method according to claim 6, characterized in that: the performance type test case template comprises: the test system comprises a telecontrol storage capacity test case, an avalanche simulation test case and a total station decompression test case.
9. The intelligent remote motivation closed-loop comprehensive test method according to claim 1, characterized in that: the test method of the function item test case comprises the following steps: and communicating the device process 61850server.exe involved in the test sub item through a named pipeline, enabling the device process to simulate the change of a trigger signal or an analog quantity, sending the change to the tested intelligent remote control, sending the change to the simulated dispatching master station system, and after receiving corresponding data content, forwarding the corresponding data content to the automatic testing main thread by the simulated dispatching master station system to form the closed-loop test of the test case.
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Cited By (2)
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| CN112910093A (en) * | 2021-03-04 | 2021-06-04 | 广西电网有限责任公司钦州供电局 | Efficient method for checking telecontrol signal by scheduling master station |
| CN114629833A (en) * | 2022-03-31 | 2022-06-14 | 中国电子科技集团公司第三十四研究所 | Automatic testing system and method for SPTN (shortest Path bridging) equipment |
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