CN103529377A - Automatic testing system and method for intelligent transformer substation digital protection device - Google Patents

Automatic testing system and method for intelligent transformer substation digital protection device Download PDF

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Publication number
CN103529377A
CN103529377A CN201310472911.XA CN201310472911A CN103529377A CN 103529377 A CN103529377 A CN 103529377A CN 201310472911 A CN201310472911 A CN 201310472911A CN 103529377 A CN103529377 A CN 103529377A
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China
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test
data
testing
digital protection
subtemplate
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CN201310472911.XA
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Chinese (zh)
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CN103529377B (en
Inventor
张晓莉
李俊庆
艾淑云
周泽昕
唐翼
刘慧海
赵颖科
王剑宇
盛小兰
周春霞
晁辉
赵艳
詹智华
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国家电网公司
中国电力科学研究院
广东昂立电气自动化有限公司
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Abstract

The invention provides an automatic testing system and an automatic testing method for an intelligent transformer substation digital protection device. The system comprises a digital protection testing instrument and a tested digital protection device which are connected, and is characterized by also comprising an exchanger and a testing machine, the digital protection testing instrument and the tested digital protection device are connected through optical fibers, the testing machine is connected with the exchanger through a network cable, and the exchanger is respectively connected with the digital protection testing instrument and the tested digital protection device through network cables. The system and the method provided by the invention have the advantages that the problems of testing data format disunity, low testing work efficiency and excessive relying on personal ability of the technology and the mode in the digital protection device inspection process are solved, and the goals of reducing the personnel requirements, simplifying the work process and standardizing the data form are reached.

Description

The Auto-Test System of intelligent substation digital protection device and method

Technical field

The present invention relates to a kind of method of relay protection of power system field tests, specifically relate to a kind of Auto-Test System and method of intelligent substation digital protection device.

Background technology

China's intelligent substation development rapidly, but the detection of digital protection and debugging are but also rested on to the pattern of traditional protection debugging, tester uses digital protecting tester, according to the fault parameters of simulation, the action situation of monitoring and protecting device, whether checking defencive function and definite value are set correct, logging test results; Or output voltage electric current, checks whether protective device sampling is qualified.After having tested, manually fill in examining report.Therefore, digital protection method of testing does not form standardization, and test process can not be realized automatic test, can not automatically form the test report of standard format.These cause the test period of intelligent substation protective device long.Existing digital protection debugging software, can not carry out communication with protective device, realizes reading of definite value and reading and the function such as parsing of reading, protecting event report of modification, protection value, straighforward operation of modification, pressing plate.It is different that software is controlled in each tester producer test, and control interface disunity is difficult to compatible each producer's tester in system.

Therefore, need to provide the self-verifying method of a kind of standardization for measured number protective device, standardization and high efficiency, reach the object that reduction personnel require, simplify the course of work and authority data form.

Summary of the invention

For overcoming above-mentioned the deficiencies in the prior art; the invention provides a kind of Auto-Test System and method of intelligent substation digital protection device, this system overcome in process that digital protection device is tested technology and mode too rely on profile, test job inefficiency, the skimble-scamble problem of test data form.Meanwhile, provide a kind of self-verifying method of protection is put for measured number standardization, standardization and high efficiency, reached the object that reduction personnel require, simplify the course of work and authority data form.

Realizing the technical scheme that above-mentioned purpose adopts is:

An Auto-Test System for intelligent substation digital protection device, described system comprises connected digital protecting tester and measured number protective device, its improvements are: described system comprises switch and the test machine connecting by netting twine; Described digital protecting tester is connected by optical fiber with described measured number protective device; Described switch connects described digital protecting tester and described measured number protective device by netting twine respectively.

Further, described test machine comprises tester interface layer, automatic test layer and testing scheme development layer;

Described tester interface layer comprises tester control interface module;

Described automatic test layer comprise test control center module and respectively with MMS communication module and the reporting modules of test control center module communication;

Described testing scheme development layer comprises test subtemplate storehouse, device data model and the testing scheme data-interface storehouse of connecting test solution development module respectively, described testing scheme development module output testing scheme.

Further, described testing scheme development module creates subtemplate and sets up data-interface definition, requires the test event of editor's subtemplate according to the functional test of digital protection device, forms test subtemplate storehouse;

Described MMS communication module receives the protection information data of described digital protection device, carries out data processing, according to the data generating apparatus data pattern file after processing;

Described testing scheme development module generates testing scheme automatically according to described device data model, described test subtemplate storehouse and described testing scheme data-interface storehouse;

Described test control center module is carried out the test of test event according to described test incidence of criminal offenses, and test result is sent to reporting modules, forms test report and stores.

Further, described test event comprises electric parameters project, desk checking project, communication command project, systematic parameter typing project and classification of the items catalogue.

Further, in test process, described MMS communication module, by MMS standard and digital protection device communication, reads digital protection device test volume data, protection action message data, sends to test control center module, forms the result data of filling in report.

Further, described testing scheme comprises test template file and report template file;

Described test template file, based on XML language, records device data model, testing process, the test event of measured number protective device.

Described report template file is Word document, and description standard reporting format also writes the position in Word document automatically by supplemental characteristic, result data in test template.

Further; described automatic generation testing scheme comprises: from described measured number protective device equipment data model; analyze the data of described device data model; from described test subtemplate storehouse, obtain with described number of data sets according to the subtemplate matching; by described number of data sets, reportedly pass subtemplate, generate test template file and report template file.

An automatic test approach for intelligent substation digital protection device, its improvements are: said method comprising the steps of:

I, testing scheme development module editor's subtemplate are also set up data-interface definition, require the test event of editor's subtemplate according to the functional test of digital protection device;

II, testing scheme development module are according to subtemplate, testing scheme data-interface and device data model generation testing scheme;

III, test control center module are tested according to testing scheme, complete successively the test event in testing scheme, fill in and report and export.

Further, described testing scheme comprises test template and report template;

Described test template comprises device data model, testing process and the test event of measured number protective device;

Described test event comprises electric parameters project, desk checking project, communication command project, systematic parameter typing project and classification of the items catalogue.

Compared with prior art, the present invention has following beneficial effect:

(1) method of the present invention has complete testing scheme development module, can use test solution development module according to the testing requirement of digital protection device, editing device testing scheme, test control center module is opened testing scheme, according to the testing process of test template definition, test, according to report template, fill in report, in test process according to communication command project in test template, by MMS communication module and measured number protective device, carry out communication, realize closed loop automatic testing; Test completes, and automatically forms the test report of standard format; Realized the automatic gauging of standardization, standardization and high efficiency.

(2) method of the present invention is set up tester and is controlled interface module standard, test function standard data interface standard, test control center module controls according to above-mentioned two standards the functional test that tester is realized numerical protection, tester control software is realized above-mentioned two standards and just can be accessed test control center module, realizes test automatically; System of the present invention can compatible various testers.

(3) method of the present invention has been set up testing scheme data-interface standard criterion, measured number protective device testing scheme standard, realizes the automatic gauging of standardization, standardization and high efficiency.

(4) method of the present invention has solved technology and mode in process that digital protection device is tested and has too relied on the problems such as profile, test job inefficiency, test data form disunity; the self-verifying method that a kind of protection is put for measured number standardization, standardization and high efficiency are provided, reaches the object that reduction personnel require, simplify the course of work and authority data form.

(5) method of the present invention provides test subtemplate technology; by the identical test function of method of testing abstract be subtemplate; the test template of setting up digital protection device by instantiation (carrying out associated with the device parameter data set of concrete numerical protection reality, value data collection, pressing plate data set etc.), has improved the efficiency of setting up digital protection device test template and report template greatly.

(6) testing scheme of the present invention is write according to numerical protection inspection procedure; test control center module is tested in strict accordance with device to test scheme; record test process and test result; the lacuna of bringing due to human factor while stopping to test, the situation of leaking item, reduce the potential security risk that device does not bring due to test comprehensively.

(7) the test record file that test control center module of the present invention forms; record the test details (number of times of test duration, test, testing parameter data and result data) of each project; each data has unique sign, for the repair based on condition of component of digital protection device provides Data support.

Accompanying drawing explanation

Fig. 1 is intelligent substation digital protection device Auto-Test System hardware closed-loop figure;

Fig. 2 is intelligent substation digital protection device ATS software structural framing figure.

Embodiment

Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.

One, system connects

As shown in Figure 1, Fig. 1 is intelligent substation digital protection device Auto-Test System hardware closed-loop figure; Intelligent substation digital protection device Auto-Test System of the present invention comprises switch, digital protecting tester, measured number protective device and test machine; Digital protecting tester is connected by optical fiber with measured number protective device; Test machine connects switch by netting twine, and switch connects digital protecting tester and measured number protective device by netting twine respectively.

As shown in Figure 2, Fig. 2 is intelligent substation digital protection device ATS software structural framing figure; Test machine comprises tester interface layer, automatic test layer and testing scheme development layer.Described tester interface layer comprises tester control interface module; Described automatic test layer comprise test control center module and respectively with MMS communication module and the reporting modules of test control center module communication; Described testing scheme development layer comprises test subtemplate storehouse, device data model and the testing scheme data-interface storehouse of connecting test solution development module respectively, described testing scheme development module output testing scheme.Testing scheme development module is the secondary developing platform of measured number protective device testing scheme and test subtemplate.

Two, test machine

1, tester is controlled interface module, for open com interface, for test control center module, calls, and realizes the various protection test functions of digital protection device; Tester is controlled interface module and with windows messaging, is notified the variation of test control center module testing state, such as the success of connecting test instrument, start to test, tested, tested abnormal information etc.;

Described tester is controlled the management object that interface module comprises protection test function test execution object and protection test function execution object; Described protection test function test execution object is for realizing the control to tester, and test control center is called the test that this object instance is realized numerical protection electric parameters automatically; Described protection test function is carried out the management object of object and is controlled closing of interface module for realizing establishment and the tester of protection test function test execution object.The description that protection test function is the method for testing that principle analysis goes out according to defencive function.

2, test control center module, for providing an interactive environment of testing experiment process.Test control center module receives testing scheme, carries out the test of test event in testing scheme, comprises the following steps:

1) defencive function test event testing process: test control center module, according to each fault parameter computing formula of protection test function, is calculated the parameter value of protection test function, carries out fault parameter and calculates script, realizes specific calculations function; Call tester and control interface module, to tester, control sign and the protection test function supplemental characteristic that interface module is imported protection test function into, start test; Wait tester is controlled interface module and is returned to test end; Receive after test end, from tester, control interface module reading result data, carry out test result judgement script, judge that whether test result is qualified; Test result data is filled up in report template;

2) communication command project testing flow process: test control center module transmission communication command and communication data are to MMS communication module; MMS communication module is received after communication command and communication data, carries out communication with digital protection device, carries out communication command; Communication command is finished, and sends execution result to test control center module; Test control center module is carried out result judgement according to result data, fills in result data in report template.

3) hardware detection project implementation flow process: test control center module, according to hardware detection project, ejects prompting interface, and prompting user operates accordingly; If there are data to need typing, wait for user's logging data; User confirms after complete operation, carries out test result judgement script, judges that whether test result is qualified; Test result data is filled up in report template;

4) systematic parameter typing project implementation flow process: test control center module, according to the type of the test correlation parameter typing project of measured number protective device, ejects parameter input interface, shows the device number of data sets certificate that needs typing; Wait for user's typing supplemental characteristic; User confirms after operation, execution result judgement script, and whether judged result is qualified; The supplemental characteristic of needs being inserted to report is filled in report template;

5) test control center module be reported as Word standard report, the report that test control center module forms according to Word report template in test process, this is reported as the report of standard format.

Device to test scheme, comprises two parts of test template and report template;

Test template, the XML1.0 grammer standard of data layout based on W3C, is used OO structurized information describing mode, has described attribute definition, device data model definition, testing process and the various test event of measured number protective device; Attribute definition comprises: the protection test function data-interface file of device name, device id, use, communication command configuration file etc.Test template comprises tested device test event, and test event is divided into electric parameters project, desk checking project, communication command project, systematic parameter typing project, classification of the items catalogue.

Electric parameters project, controls the test event that testing tool is exported.By testing tool, to measured number protective device, apply electric parameters, response or the input function of test measured number protective device.Electric parameters project definition comprises as given a definition:

1) attribute definition of project, comprising: the type of the ID of the protection test function of title, ID, use, multiplicity, report processing mode, check;

2) fault parameter definition: according to the fault parameter definition of protection test function, the computing formula of each parameter of protection test function is set;

3) fault script definition: definition complex fault calculation of parameter script;

4) result script definition: definition result judgement script.

Desk checking project, the hardware detection part of device, this part needs artificially to tested device, check, then fill in testing result, desk checking project definition is as follows:

1) attribute definition of project, comprising: the type of title, ID, check, voice prompt;

2) data definition: define the data that artificial project needs typing, each data comprises: title ,ID, unit, data type, form, default value definition;

3) information definition: the information of definition desk checking project, information can be text message, can be also graphical information;

4) initializtion script: the script of project data initialization process;

5) result script definition: definition result judgement script.

Communication command project, the project from measured number protective device reading out data or transmission control command, is defined as follows:

1) item attribute definition, comprising: time delay after time delay before the type of title, ID, check, multiplicity, communication, communication;

2) communications parameter data definition: for the order that need to send data, the supplemental characteristic of transmission is set;

3) spreading result data: the spreading result data of definition communication command, for preserving the special processing result data of communication command;

4) initializtion script: the script of project data initialization process;

5) result script definition: definition result judgement script.

Systematic parameter typing project, manually the number of data sets of typing tested device, according to the project of (protecting the device parameter of fixed value list data, protective device etc. such as manual typing), is defined as follows:

1) attribute definition of project, comprising: the type of title, ID, check;

2) supplemental characteristic definition: definition needs the data of manual modification;

3) calculate script: be defined in after manual logging data the script that data are processed.

Classification of the items catalogue, the split catalog of test event, realizes the test event of tested device is carried out to Classification Management, and definition comprises: title, ID, quote characteristic ID.

3, MMS communication module, realizes digital protection device communication function by MMS standard (message manufacturing standard) and numerical protection communication; The open com interface of MMS communication module, calls for test control center module.

Numerical protection communication function comprises: enumerate device data model, reading out data collection value, Update Table collection value, remote control, involution, read/revise current definite value operational area, start and report and resolve protection report; Described Update Table collection value comprises modification definite value, throws and move back soft pressing plate; Described reading out data collection comprises and reads measured value, reads definite value, reads pressing plate state etc.;

The com interface that MMS communication module is open, for the communication function of external program access numerical protection.Interface comprises management interface, device object interface, logical equipment object interface, object data set interface.

4, reporting modules, for logging test results data with test result data is shown as to report.Described report comprises the document report of WORD, WPS, EXCEL, XML form.Test result data is the whole detecting informations in test process; the testing time that comprises test event, the data of the fault parameter data when test duration of each test, test, the test result data that tester returns, the data that read from digital protection device, modification protective device.The data that read from protective device comprise definite value, pressing plate, measured value, device parameter, device action information, warning information etc.The data of revising protective device comprise device parameter, definite value, the pressing plate of protective device.

5, test subtemplate storehouse; the subtemplate of each functional test of record and preservation digital protection device, comprising: linearity test, defencive function test (fixed value checking, working value search, boundary search etc.), remote signalling test, remote-controlled test, message abnormality test etc.Test subtemplate has been described the test event set of digital protection device and corresponding reporting format, subtemplate opening interface.Data-interface has been described the necessary supplemental characteristic of subtemplate functional module, and subtemplate dynamically generates concrete test event set according to the data-interface data (real data) of importing into.

6, device data model, details and the family curve of the various data sets of description digital protection device; For ICD/SCL file or by MMS communication module, from digital protection device, enumerate the details of the various data sets of device that obtain, described data set is described and is mainly comprised measurement data set, remote signalling data collection, remote-control data collection, value data collection, pressing plate data set, protection event data collection, alarm data collection etc.; Described family curve, has described the trip boundary definition of protecting component and the graphic plotting definition of relevant protection test function.

7, testing scheme data-interface storehouse, is XML file, the XML1.0 grammer standard based on W3C, and file has been preserved the information of the protection test function of digital protection device.

The information of protection test function comprises: attribute data, fault parameter data and the result parameter data of protection test function; Attribute data comprises: protection test function title name, protection test function ID; Fault parameter data: the fault parameter data set of definition protection test function, describe and carry out the parameter that this protection test function need to arrange; Fault parameter data, attribute comprises: data name name, data ID, data type datatype, the unit of unit, default value def-value, data value value; The data type of fault parameter data, for example: floating number float, integer int, character string string, zero-sequence fault (codomain is: AN, BN, CN), Transformer Winding number (codomain is: double winding, three windings) etc.; Result parameter data, describe the result data collection having formed when protection test function has been tested;

8, testing scheme development module, according to the device data model of concrete measured number protective device, automatically generating device testing scheme; Test macro of the present invention provides human-computer interaction interface, also can be according to user need edit device to test scheme.

According to testing scheme data-interface storehouse, editor's subtemplate; Testing scheme development module comprises test template edit routine and report template edit routine, and test template edit routine is realized the standard testing flow process of tested device and the method for testing editor of each test event; The realization of report template edit routine is carried out the data in test template and report file (Word document) position associated, and report template edit routine is directly opened Word program, carries out relevant operation in Word program.

Manual editing's testing scheme, for concrete digital protection device model, according to the testing scheme of inspection procedure/standard customization tested device.

Three, method of testing

The present invention also provides a kind of method of testing of the Auto-Test System corresponding to intelligent substation digital protection device, comprises the following steps:

Step 1, testing scheme development module editor subtemplate, set up subtemplate storehouse and determine testing scheme.Specifically comprise following:

I, use test solution development module, newly-built test subtemplate, for subtemplate is set up data-interface definition;

II, according to the functional test requirement of digital protection device, the test event of editor test subtemplate;

III, preservation test subtemplate, form the test subtemplate storehouse of containing the various test functions of digital protection device.

Step 2, testing scheme development module determining device testing scheme.Specifically comprise following:

IV, device data model module are collected the details of the data set of digital protection device by MMS communication module, save as device data model file;

V, use test solution development module, set up testing scheme, introducing equipment data pattern file;

VI, the test subtemplate that requires selection testing scheme to realize according to functional test;

VII, according to the device data model of digital protection device, instantiation test subtemplate, forms the DCO use-case that numeral is planted protection test function;

In the time of VIII, the instantiation of test subtemplate, splice the report template of each instantiation subtemplate, form the test report template of digital protection device;

VIIII, respectively test subtemplate instantiation and complete, preserve the testing scheme of digital protection device.

Step 3, test control center module are tested according to testing scheme.Specifically comprise as follows:

VV, test control center module obtain device to test scheme, according to device to test scheme (test template and report template), form initial testing log file and report file;

VVI, start test, test control center module, according to the testing process of device to test scheme, completes the test of each test event successively, automatically logging test results, automatically carry out result judgement, Auto-writing report;

VVII, tested, formed the test report of standard format, reporting modules is exported and is preserved.

In described step VVI, test comprises:

Electric parameters project testing process: test control center module is calculated the fault parameter of test function module according to test parameter script; Call tester and control interface module routine interface function, send test parameter; Tester interface program is received after test parameter, controls tester output fault-signal, tests; Test completes, and tester is controlled interface module program and sent test result supplemental characteristic to test control center module; Test control center module is carried out result judgement according to test result data, fills in result data in report template.

Communication command project testing process: test control center module transmission communication command and communication data are to MMS communication module; MMS communication module is received after communication command and communication data, carries out communication with digital protection device, carries out communication command; Communication command is finished, and sends execution result to test control center module; Test control center module is carried out result judgement according to result data, fills in result data in report template.

Desk checking project testing process: according to the desk checking project interface of test control center module, artificial input parameter data; Data typing completes, and according to the data of typing, judges that whether test result is qualified, fills in the result data of needs in report template.

Systematic parameter typing project testing process: according to the systematic parameter typing project interface of test control center module, input system supplemental characteristic; Supplemental characteristic typing completes, and fills in the system parameter data needing and arrives report template.

Classification of the items catalogue test process: the test event under test control center module traversal classification of the items catalogue, the test of the test event under finished item classification item.

Finally should be noted that: above embodiment is only for illustrating the application's technical scheme but not restriction to its protection domain; although the application is had been described in detail with reference to above-described embodiment; those of ordinary skill in the field are to be understood that: those skilled in the art still can carry out all changes, revise or be equal to replacement to the embodiment of application after reading the application; but these change, revise or be equal to replacement, within the claim protection domain all awaiting the reply in application.

Claims (9)

1. an Auto-Test System for intelligent substation digital protection device, described system comprises connected digital protecting tester and measured number protective device, it is characterized in that: described system comprises switch and the test machine connecting by netting twine; Described digital protecting tester is connected by optical fiber with described measured number protective device; Described switch connects described digital protecting tester and described measured number protective device by netting twine respectively.
2. the Auto-Test System of a kind of intelligent substation digital protection device as claimed in claim 1, is characterized in that: described test machine comprises tester interface layer, automatic test layer and testing scheme development layer;
Described tester interface layer comprises tester control interface module;
Described automatic test layer comprise test control center module and respectively with MMS communication module and the reporting modules of test control center module communication;
Described testing scheme development layer comprises test subtemplate storehouse, device data model and the testing scheme data-interface storehouse of connecting test solution development module respectively, described testing scheme development module output testing scheme.
3. the Auto-Test System of a kind of intelligent substation digital protection device as claimed in claim 2, is characterized in that:
Described testing scheme development module creates subtemplate and sets up data-interface definition, requires the test event of editor's subtemplate according to the functional test of digital protection device, forms test subtemplate storehouse;
Described MMS communication module receives the protection information data of described digital protection device, carries out data processing, according to the data generating apparatus data pattern file after processing;
Described testing scheme development module generates testing scheme automatically according to described device data model, described test subtemplate storehouse and described testing scheme data-interface storehouse;
Described test control center module is carried out the test of test event according to described test incidence of criminal offenses, and test result is sent to reporting modules, forms test report and stores.
4. the Auto-Test System of a kind of intelligent substation digital protection device as claimed in claim 3, is characterized in that: described test event comprises electric parameters project, desk checking project, communication command project, systematic parameter typing project and classification of the items catalogue.
5. the Auto-Test System of a kind of intelligent substation digital protection device as claimed in claim 3; it is characterized in that: in test process; described MMS communication module is by MMS standard and digital protection device communication; read digital protection device test volume data, protection action message data; send to test control center module, form the result data of filling in report.
6. the Auto-Test System of a kind of intelligent substation digital protection device as claimed in claim 3, is characterized in that:
Described testing scheme comprises test template file and report template file;
Described test template file, based on XML language, records device data model, testing process, the test event of measured number protective device.
Described report template file is Word document, and description standard reporting format also writes the position in Word document automatically by supplemental characteristic, result data in test template.
7. the Auto-Test System of a kind of intelligent substation digital protection device as claimed in claim 3, is characterized in that:
Described automatic generation testing scheme comprises: from described measured number protective device equipment data model; analyze the data of described device data model; from described test subtemplate storehouse, obtain with described number of data sets according to the subtemplate matching; by described number of data sets, reportedly pass subtemplate, generate test template file and report template file.
8. an automatic test approach for intelligent substation digital protection device, is characterized in that: said method comprising the steps of:
I, testing scheme development module editor's subtemplate are also set up data-interface definition, require the test event of editor's subtemplate according to the functional test of digital protection device;
II, testing scheme development module are according to subtemplate, testing scheme data-interface and device data model generation testing scheme;
III, test control center module are tested according to testing scheme, complete successively the test event in testing scheme, fill in and report and export.
9. the automatic test approach of a kind of intelligent substation digital protection device as claimed in claim 8, is characterized in that: described testing scheme comprises test template and report template;
Described test template comprises device data model, testing process and the test event of measured number protective device;
Described test event comprises electric parameters project, desk checking project, communication command project, systematic parameter typing project and classification of the items catalogue.
CN201310472911.XA 2013-10-11 2013-10-11 The Auto-Test System of intelligent transformer substation digital protection device and method CN103529377B (en)

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