CN104579817A - Communication loop test method based on GOOSE (generic object-oriented substation event) logics - Google Patents
Communication loop test method based on GOOSE (generic object-oriented substation event) logics Download PDFInfo
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Abstract
The invention relates to a communication loop test method based on GOOSE (generic object-oriented substation event) logics in a power dispatching system. The communication loop test method is characterized by comprising the following steps: (1) a test system creates IEC61850 communication connection with IED (intelligent electronic device) simulation equipment and creates IEC104 communication connection with a power telecontrol device of tested equipment, the tested equipment also creates IEC61850 communication connection with the IED simulation equipment, and data of the tested equipment is kept consistent with data of corresponding points of the IED simulation equipment; (2) the data acquired by IEC104 is compared with data acquired by IEC61850 to check the data processing correctness and real-time property of the tested equipment; (3) outputting a test result and forming a test report. According to the method, the correctness and real-time property of remote metering and remote signaling communication data sent to the tested equipment and remote control and remote regulating commands sent by a main station can be automatically detected.
Description
Technical field
The present invention relates in electric power dispatching system, based on the implementation method of GOOSE logic to IED device command automatic detection technology of parameter, especially a kind of communication loop method of testing based on GOOSE logic.
Background technology
Along with IEC61850 technology is in the successful Application of transformer station, the test job of intelligent substation is become more and more important.For a transformer station, except the test to its allomeric function, be also necessary to access in the test of the telemechanical apparatus etc. of substation field, this can play important effect to the daily operation and maintenance of transformer station.
For ensureing communication quality and the fail safe of communication system of power grids process, need to detect through strict networking to the electric power telemechanical device of each access.
Summary of the invention
The object of this invention is to provide a kind of communication loop method of testing based on GOOSE logic, the telemechanical apparatus testing time can be shortened, ensure real-time and the validity of test result.
Based on a communication loop method of testing for GOOSE logic, its special feature is, comprises the steps:
(1) test macro sets up IEC61850 communication connection to emulation IED equipment, sets up IEC104 communication connection to equipment under test electric power telemechanical device; Equipment under test also sets up the communication connection of IEC61850 with emulation IED equipment, and the data of equipment under test should be consistent with the data of emulation IED equipment corresponding points;
(2) data by gathering the data gathered from IEC104 and IEC61850 are compared, to verify correctness, the real-time of equipment under test data processing;
(3) output test result, form test report.
In step (2), the correctness verification of data processing is specific as follows: tested by the comparison of data value, and preset transformed error, is judged to be correct otherwise is judged to be mistake when result is in error range.
In step (2), the real-time verification of data processing is specific as follows: tested by delta data, namely whether be less than or equal to the time difference of the more new data obtained from IEC61850 passage and IEC104 passage the real-time that preset value obtains equipment under test, if met, be judged to be in real time otherwise be judged to exist delayed.
Present approach provides a kind of communication loop method of testing based on GOOSE logic, the correctness and the real-time that achieve remote control and the remote regulating order issued the remote measurement that equipment under test send, remote signalling communication data and main website carry out Aulomatizeted Detect, ensure tested subsystem communication ability, complete Round Card and form templating test report.Compared with prior art the present invention also has following beneficial effect: utilize Module Division mode, realize monitoring the real-time packet of different passage without stipulations simultaneously, ensure protocol analysis real-time, real-time generation anomalous event, quick output abnormality information, provide judged result, shorten the telemechanical apparatus testing time.Ensure real-time and the validity of test result.The protocol analysis technology that the present invention adopts can be applied in protocol analysis software, ensure that the correctness of protocol analysis.
Accompanying drawing explanation
Accompanying drawing 1 is test philosophy figure of the present invention;
Accompanying drawing 2 is the value and time of occurrence schematic diagram that in embodiment 1, IEC61850 stipulations passage is resolved on axle at one time.
Embodiment
In order to solve current intelligent substation telemechanical apparatus networking test problems, the present invention proposes the communication loop method of testing based on GOOSE logic, namely based on communications analysis and the comparison method of IEC104 stipulations and IEC61850GOOSE logic, correctness and the promptness of telemechanical apparatus transmission data is detected.
Technical scheme of the present invention is, the present invention adopts multimode compound mode, realizes testing process.Mainly comprise 104 stipulations submodules, 61850 stipulations submodules and automatic test submodule, send instructions under being respectively used to collection communication message and execution, check the correctness of message and the promptness of command execution.
In 104 stipulations submodules, monitor communication message by network switch mirror port, through detailed protocol analysis and outgoing event information, the event information of output is saved to database and calls for automatic test submodule; Main station system issues remote control and remote regulating order by 104 submodules to substation device, and command execution process is embodied by the message that substation is sent.
In 61850 stipulations submodules, monitor communication message by network switch mirror port, through detailed protocol analysis and outgoing event information, the event information of output is saved to database and calls for automatic test submodule; Main station system is by 61850 submodules, and utilize substitution value function to establish value to remote control, the remote measurement of remote regulating association, remote signalling, command execution process is embodied by the message that substation is sent.
In automatic test submodule, using the event information that exports in 104 stipulations submodules and 61850 stipulations submodules as input, by automatic test alignment algorithm, the exception of the event information of comparison twice input, provides test judged result.
Embodiment 1:
(1) test macro sets up IEC61850 communication connection to emulation IED equipment, sets up IEC104 communication connection to equipment under test electric power telemechanical device; Equipment under test also sets up the communication connection of IEC61850 with emulation IED equipment, and the data of equipment under test should be consistent with the data of emulation IED equipment corresponding points;
Such as first formulate data to a mapping table as following table example:
Table one:
Separately showed the addressing system of IEC104 stipulations and IEC61850 stipulations in table one, content measurement is unique sign, the parameters value of the identical information body address of the two groups of stipulations obtained after comparing analytic message.Concrete manner of comparison is with reference to step (2).
(2) data by gathering the data gathered from IEC104 and IEC61850 are compared, to verify correctness, the real-time of equipment under test data processing;
Wherein the correctness verification of data processing is specific as follows: tested by the comparison of data value, and preset transformed error, is judged to be correct otherwise is judged to be mistake when result is in error range.
Such as in (1), resolving in 104 stipulations passages and obtaining imformosome address in table one is the value of 4001, in adjacent time window (2 seconds), obtains 1,2,3,4 four position of four values at time shaft as shown in Figure 2:
Relatively, on same time shaft, X is value and the time of occurrence of the parsing of IEC61850 stipulations passage, this method is about to the value judging X, is in 0.001 scope, if X equals any one in 1,2,3,4 in error range, namely judge that the value of the performance of 4001 addresses in two groups of passages is equal, by that analogy.
Wherein the real-time verification of data processing is specific as follows: tested by delta data, namely whether be less than or equal to the time difference of the more new data obtained from IEC61850 passage and IEC104 passage the real-time that preset value obtains equipment under test, if met, be judged to be in real time otherwise be judged to exist delayed.
(3) output test result, form test report.
Test result report is obtained, as following table two by the result arranged in table one and compare in step (2):
Table two:
For realizing loop-around test, need the data of comparison automatically can be set by test macro, this programme can also adopt the substitution value model realization of IEC61850, is convenient to like this test various value conditions
The function of lower equipment under test and performance.
Claims (3)
1., based on a communication loop method of testing for GOOSE logic, it is characterized in that, comprise the steps:
(1) test macro sets up IEC61850 communication connection to emulation IED equipment, sets up IEC104 communication connection to equipment under test electric power telemechanical device; Equipment under test also sets up the communication connection of IEC61850 with emulation IED equipment, and the data of equipment under test should be consistent with the data of emulation IED equipment corresponding points;
(2) data by gathering the data gathered from IEC104 and IEC61850 are compared, to verify correctness, the real-time of equipment under test data processing;
(3) output test result, form test report.
2. as claimed in claim 1 based on the communication loop method of testing of GOOSE logic, it is characterized in that: in step (2), the correctness verification of data processing is specific as follows: tested by the comparison of data value, and preset transformed error, be judged to be when result is in error range correct otherwise be judged to be mistake.
3. as claimed in claim 1 based on the communication loop method of testing of GOOSE logic, it is characterized in that: in step (2), the real-time verification of data processing is specific as follows: tested by delta data, namely whether be less than or equal to the time difference of the more new data obtained from IEC61850 passage and IEC104 passage the real-time that preset value obtains equipment under test, if met, be judged to be in real time otherwise be judged to exist delayed.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105162649A (en) * | 2015-08-04 | 2015-12-16 | 北京广利核系统工程有限公司 | Testing method and system for nuclear power station safety level network performance index |
| CN106302019A (en) * | 2016-08-17 | 2017-01-04 | 国网江苏省电力公司电力科学研究院 | A kind of substation data communication network shutdown processes the test system and method for time |
| CN108197017A (en) * | 2017-11-27 | 2018-06-22 | 国电南瑞科技股份有限公司 | The automatization test system and method for a kind of communication control unit |
| CN108919004A (en) * | 2018-07-09 | 2018-11-30 | 宝鸡文理学院 | A kind of distribution power automation terminal protection Model test Method |
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| CN202735834U (en) * | 2012-01-30 | 2013-02-13 | 广东电网公司茂名供电局 | Test system for double measurement and control device in intelligent substation of power system |
| CN103905275A (en) * | 2014-03-27 | 2014-07-02 | 国家电网公司 | Electric power telecontrol equipment testing method based on IEC61850 replacement services |
| CN103926917A (en) * | 2014-04-25 | 2014-07-16 | 国家电网公司 | Intelligent transformer substation master control device testing system and method |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202735834U (en) * | 2012-01-30 | 2013-02-13 | 广东电网公司茂名供电局 | Test system for double measurement and control device in intelligent substation of power system |
| CN103905275A (en) * | 2014-03-27 | 2014-07-02 | 国家电网公司 | Electric power telecontrol equipment testing method based on IEC61850 replacement services |
| CN103926917A (en) * | 2014-04-25 | 2014-07-16 | 国家电网公司 | Intelligent transformer substation master control device testing system and method |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105162649A (en) * | 2015-08-04 | 2015-12-16 | 北京广利核系统工程有限公司 | Testing method and system for nuclear power station safety level network performance index |
| CN105162649B (en) * | 2015-08-04 | 2018-08-28 | 北京广利核系统工程有限公司 | For the test method and its system of npp safety grade network performance index |
| CN106302019A (en) * | 2016-08-17 | 2017-01-04 | 国网江苏省电力公司电力科学研究院 | A kind of substation data communication network shutdown processes the test system and method for time |
| CN106302019B (en) * | 2016-08-17 | 2019-06-11 | 国网江苏省电力公司电力科学研究院 | A kind of test macro and method of substation data communication network shutdown processing time |
| CN108197017A (en) * | 2017-11-27 | 2018-06-22 | 国电南瑞科技股份有限公司 | The automatization test system and method for a kind of communication control unit |
| CN108919004A (en) * | 2018-07-09 | 2018-11-30 | 宝鸡文理学院 | A kind of distribution power automation terminal protection Model test Method |
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