CN102323499A - Method for automatically testing relay protection equipment - Google Patents
Method for automatically testing relay protection equipment Download PDFInfo
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- CN102323499A CN102323499A CN201110160272A CN201110160272A CN102323499A CN 102323499 A CN102323499 A CN 102323499A CN 201110160272 A CN201110160272 A CN 201110160272A CN 201110160272 A CN201110160272 A CN 201110160272A CN 102323499 A CN102323499 A CN 102323499A
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Abstract
The invention provides a method for automatically testing relay protection equipment. The method comprises the steps of: generating a test input quantity, detecting an output quantity of an object to be tested, and monitoring an intermediate quantity of the object to be tested through a distributed simulation environment, and forming a complete process of a closed-loop test; storing a fixed value, a pressure plate, a message and other information of relay protection equipment to be tested through a manner of a database, and storing the test input quantity and the output quantity of the object to be tested during the testing process; testing input equipment and the object to be tested through network connection; and controlling test input through a manner of command, then receiving the feedback of the object to be tested, finally intelligently comparing with an expected result stored in the database, and storing a feedback result in the database. By adopting the method for automatically testing the relay protection equipment provided by the invention, external properties of the relay protection equipment can be automatically monitored, the reliability of testing of the relay protection equipment and the testing efficiency are improved, and the probability of finding of hidden defects is increased.
Description
Technical field
The invention belongs to the relay protection field in the electric system, particularly the automatic test technology of relay protection device.
Background technology
The secondary device kind of power automatic system is more and more; Demand to relay protection device becomes increasingly complex: the standalone version that oneself is all arranged like each area; In this case; It is exactly essential that all versions are carried out DCO, and certainly will increase the many workloads and the duplication of labour like this, and using automatically, test is necessary demand.
Simultaneously relay protection device is made an experiment, the accumulation of experience is very necessary.If neither one information gathers and shared platform, will certainly cause the disappearance of a large amount of repetitive operations and classical method of testing.
The relay protection device Auto-Test System of in electric system, using at present too depends on relay-protection tester, the convenience that the editor of test case library neither be special, and the management of test case is not known where to begin yet.
Summary of the invention
The objective of the invention is in order to realize the automatic test of relay protection device.
A kind of relay protection device of the present invention realizes that automatic test approach is to realize through following technical scheme:
A kind of relay protection device is realized the method for automatic test; Said method links to each other with transformer station's private server of setting up the test case data storehouse through control center; Link to each other with feedback device with relay protection device to be measured, test input quantity equipment respectively through control center; Generate the test input quantity, and the feedback information of monitoring feedback device, to form complete closed loop test process to relay protection device to be measured; It is characterized in that, said method comprising the steps of:
Step 1. is edited and is set up the test case data storehouse, and said test case data storehouse is based upon on the exclusive data server of transformer station, and the content of this database comprises:
The version of relay protection device to be measured, definite value, pressing plate, message information;
The numerical value of test input quantity;
The expected result of this test;
The feedback information of relay protection device to be measured, test result;
Step 2. through be installed in one with main frame that data server, test input quantity equipment, relay protection device to be measured link to each other on control center; Read test use-case database; Generate the test input quantity through test input quantity equipment, and will test input quantity and be loaded on the relay protection device to be measured;
Described control center is used for read test use-case database and control test input quantity equipment generates the test input quantity, and will test input quantity and be loaded on the equipment under test;
Wherein, described test input quantity equipment is meant relay-protection tester, switching value output device; Said test input quantity comprises analog quantitys such as the voltage, electric current of relay-protection tester output, and the switching value signal of switching value output device output;
Step 3. control center gather feedback device all feedback informations, be test result, and storage;
Described feedback device comprises relay protection device to be measured and switch acquisition equipment, and relay protection device to be measured can feed back the message that in test process, produces, switch acquisition equipment can on send the action connection point displacement information of equipment under test;
Step 4. control center with feedback information, be that test result and expected result compare judgement; Realize closed loop test,, draw the conclusion of " testing successfully " when the difference of test result and expected result satisfies certain threshold values scope; Otherwise, draw the conclusion of " test crash ";
Wherein, described expected result is meant behind EOT, and whether correct control center be used for including action message, the action connection point displacement information of relay protection device to be measured with reference to contrast one group of data to the test result of relay protection device to be measured.
The present invention has following beneficial effect: the false pass rate when reducing test greatly, improve the accuracy of test.Store a large amount of unconventional method of testings, accomplish the lasting accumulation of the experience of testing.Last the present invention can improve testing efficiency.
Description of drawings
Fig. 1 is the structural drawing that the inventive method is used;
Fig. 2 is test case data library structure figure;
Fig. 3 is the process flow diagram of automatic test approach of the present invention;
Fig. 4 is switching value output, collecting device synoptic diagram;
Fig. 5 is Devices to test communication program 26S Proteasome Structure and Function figure.
Embodiment
According to Figure of description technical scheme of the present invention is made further detailed presentations below.
Each equipment in this method connects synoptic diagram and sees Fig. 1, and each device talk adopts network to connect the tester through test case editor and administration module, forms the test case of current needs, and it is saved in the database.
The tester uses control center then, from database, reads this test case.Control center operates measurand, test input quantity equipment through the communication Processing Interface, writes down the information of measurand, feedback device during this period, carries out test result behind the wait EOT and judges.
According to database planning and the structure of Fig. 2, set up the test case data storehouse, be used for store test data.Be exemplified below: whether 0.95 times of definite value of measuring distance I segment protect action message.Editor's test case will comprise following content: revise the protection definite value, drop into apart from I segment protect pressing plate, set the value of test input quantity equipment, to the expected result of this test etc.
Control center master routine read test use-case storehouse; All test cases that show testing engineering; Can manually select testing engineering and the test case that will carry out, single click test case can show the details of use-case, also can show the executing state of test case simultaneously.During the master routine implementation of test cases; Understand startup respectively and relay-protection tester, the communication program of Devices to test, the communication thread of feedback device; Issue test command; Receive the information of sending on the communication program, feedback device of relay-protection tester, Devices to test simultaneously, and on main interface, show.
Master routine will start to be placed in the independent execution thread with relay-protection tester communication, feedback device communication and three threads receiving the Devices to test return message to be handled.
Fig. 3 is the schematic flow sheet that relay protection device of the present invention is realized automatic test approach.Main flow process is that master routine and relay-protection tester communication thread are responsible for the FTP mode and are uploaded the relay-protection tester operation file, issues test command to relay-protection tester, and while acceptance test appearance return message sends to main interface display.
Control center resolves the communication text; After being organized into a plurality of test items; Issue the Devices to test communication module one by one; That is to say that the each communication program of Devices to test of only giving of control center issues a test command, issue next bar test command again after receiving the result that the communication program of Devices to test replys.Automatically adopt the message transfer mode between the control center of test and the communication module; " WM_COPYDATA " that message system by name carries; The LPARAM parameter of message transmission is a COPYDATASTRUCT format structure body; The Content of communciation of the lpData property store string format of structure, control center finds the window handle of communication module through " FindWindow " function, then through " SendMessage " function and communication module communication.
Connecting example is illustrated: control center reads this use-case, and amended protection definite value is handed down to relay protection device to be measured, and transmitting order to lower levels lets relay ripple protection equipment to be measured drop into the distance protection pressing plate; Control center's transmitting order to lower levels is given relay-protection tester then, and output trouble spot impedance is X=1.9 Europe, the fault amount in R=0 Europe, and drop into auxiliary open into.
Master routine and feedback device communication thread are responsible for uploading the feedback device test file to feedback device with the Ftp mode, issue test command to feedback device simultaneously, receive the feedback device return message in real time, send to main interface display.Master routine and feedback device communication are placed in the independent thread, set up socket through udp mode and feedback device and be connected, thread receives the information of sending on 10101 ports in real time, resolves and send to master routine, on main interface, shows.Utility appliance to control center upstream data adopts the multicast mode, and multicast group is defined as 236.9.9.1, and port numbers is 10101; Control center to utility appliance downlink data adopts dual mode: the information that (1) is sent out to individual equipment adopts mode of unicast; (2) send out The data multicast mode to all devices, multicast group is 236.9.9.2.When sending out data to individual equipment but can not obtain Device IP, also can adopt multicast, equipment can be through station address identification, and downstream data ports number is 10102.Principle: control center needs recording station address and IP address mapping relation, and utility appliance need not write down this information.
Feedback device obtains order from module M1, operation M3 or M4 module, and through M2 module fill order, and then operation M1 module, with the returning data of handling well.Following table is submodule title and definition, and the flow process functional diagram is seen Fig. 4.
| Sequence number | The module title | Function description |
| M0 | Main | The master scheduling module |
| M1 | protocal | The stipulations module of communicating by letter with host computer |
| M2 | CAN | Net module with opening into leaving the CAN that communicates by letter |
| M3 | File | Parsing to test file |
| M4 | Record | Record mode piece |
Connecting example is illustrated: control center receives the message that relay protection device to be measured produces in this process; And the protection action connection point displacement message of feedback device supervision; The fault amount is exported in formation when test begins; Relay protection device returned packet to be measured and contact during to EOT, so rigorous closed loop test; Then with expected result and actual result relatively, judge with this and whether protect correct operation by control center.Form test report at last, accomplish this test, get into test next time.
Fig. 5 is the structural drawing of Devices to test communication module.This module comprises communication function part, debugging software interface portion, automatic part of detecting.Wherein the present invention only relates to automatic part of detecting and communication function part, promptly sends to the Master Control Center of automatic test after the partly responsible information translation with dielectric layer of communication function.
The Devices to test communication module receives the order that control center issues, send to relay protection device to be measured after, receive relay protection device execution result to be measured, pass back to control center after reorganizing data.This module will with the independent thread process of processing and utilizing of control center's Content of communciation, avoid because both sides' communication cause faulty operation or operation delay to equipment.Simultaneously, this module will reflect carry information on the relay protection device to be measured strictly according to the facts, data not carried out any processed.In addition, for through any operation of module, all will and return control center's content, so that the later stage has access to the mode recorder content at any time and the execution result of text.
Claims (5)
1. a relay protection device is realized the method for automatic test; Said method links to each other with transformer station's private server of setting up the test case data storehouse through control center; Link to each other with feedback device with relay protection device to be measured, test input quantity equipment respectively through control center; Generate the test input quantity, and the feedback information of monitoring feedback device, to form complete closed loop test process to relay protection device to be measured; It is characterized in that, said method comprising the steps of:
Step 1. is edited and is set up the test case data storehouse, and said test case data storehouse is based upon on the exclusive data server of transformer station, and the content of this database comprises:
The version of relay protection device to be measured, definite value, pressing plate, message information;
The numerical value of test input quantity;
The expected result of this test;
The feedback information of relay protection device to be measured, test result;
Step 2. through be installed in one with main frame that data server, test input quantity equipment, relay protection device to be measured link to each other on control center; Read test use-case database; Generate the test input quantity through test input quantity equipment, and will test input quantity and be loaded on the relay protection device to be measured;
Described control center is used for read test use-case database and control test input quantity equipment generates the test input quantity, and will test input quantity and be loaded on the equipment under test;
Wherein, described test input quantity equipment is meant relay-protection tester, switching value output device; Said test input quantity comprises analog quantitys such as the voltage, electric current of relay-protection tester output, and the switching value signal of switching value output device output;
Step 3. control center gather feedback device all feedback informations, be test result, and storage;
Described feedback device comprises relay protection device to be measured and switch acquisition equipment, and relay protection device to be measured can feed back the message that in test process, produces, switch acquisition equipment can on send the action connection point displacement information of equipment under test;
Step 4. control center with feedback information, be that test result and expected result compare judgement; Realize closed loop test,, draw the conclusion of " testing successfully " when the difference of test result and expected result satisfies certain threshold values scope; Otherwise, draw the conclusion of " test crash ";
Wherein, described expected result is meant behind EOT, and whether correct control center be used for including action message, the action connection point displacement information of relay protection device to be measured with reference to contrast one group of data to the test result of relay protection device to be measured.
2. method according to claim 1 is characterized in that: layer-management is used in said test case data storehouse; Test subscriber's deposit data relevant with the relay protection device of testing to be measured is at first database; With relevant deposit data to the second database of relay protection device to be measured that passes through test; Possess three storehouses of deposit data to the of ubiquity versatility, the data that possess the ubiquity versatility comprise the conventionally test content of relay protection device to be measured.
3. method according to claim 2 is characterized in that: said conventionally test content comprises: action connection point test of 1.05 times of definite value and/or 0.95 times of test, the relay protection device to be measured under test action time, electric system typical fault under the emptying that applies the working value that equals 2 times of definite values etc.
4. method according to claim 2; It is characterized in that: the user in login test case data storehouse; Manage through authority classification, domestic consumer can only duplicate first database, deletion, newly-built operation, can read second, third database;
The keeper then can duplicate any database, deletion, newly-built operation.
5. method according to claim 1 is characterized in that: said data database storing according to different fields, is divided into following 5 types: to the operation of equipment under test; The operation of switch amount output device; Operation to relay-protection tester; Expectation value to test result; And the execution sequence of operation.
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| CN201110160272A CN102323499A (en) | 2011-06-15 | 2011-06-15 | Method for automatically testing relay protection equipment |
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| CN201110160272A CN102323499A (en) | 2011-06-15 | 2011-06-15 | Method for automatically testing relay protection equipment |
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| CN102692576A (en) * | 2012-06-15 | 2012-09-26 | 黑龙江省电力有限公司检修公司 | Relay protection periodical inspection method |
| CN103245855A (en) * | 2013-04-23 | 2013-08-14 | 国家电网公司 | Digital simulation based method and system for testing relay protection function of intelligent substation |
| CN103412558A (en) * | 2013-07-30 | 2013-11-27 | 国电南瑞科技股份有限公司 | Automatic testing system and method for relay protection measuring and controlling device |
| CN103439592A (en) * | 2013-06-27 | 2013-12-11 | 国家电网公司 | Method for intelligently testing intelligent substation on site |
| CN103544104A (en) * | 2013-10-22 | 2014-01-29 | 珠海许继电气有限公司 | Testing method for power distribution terminal remote control functional software module |
| CN103576037A (en) * | 2013-11-26 | 2014-02-12 | 国家电网公司 | Testing method based on intelligent testing platform of hydraulic generator microprocessor protection device |
| CN103675528A (en) * | 2013-11-26 | 2014-03-26 | 许继电气股份有限公司 | Relay protection device automatic testing method and device based on tagged words |
| CN103675529A (en) * | 2013-11-26 | 2014-03-26 | 许继电气股份有限公司 | Feature word based automatic testing method and device for relay protection devices |
| CN103954909A (en) * | 2014-04-23 | 2014-07-30 | 国家电网公司 | Intelligent high-voltage switch assembly on-site test method |
| CN104062531A (en) * | 2014-07-22 | 2014-09-24 | 国家电网公司 | Long-distance verification method, device and system for relaying protection |
| CN104111417A (en) * | 2014-06-30 | 2014-10-22 | 国家电网公司 | Relay protection multipath time tester |
| CN104391247A (en) * | 2014-11-26 | 2015-03-04 | 许继电气股份有限公司 | Relay protection test method and system based on IEC61850 digital tester |
| CN104459385A (en) * | 2014-11-25 | 2015-03-25 | 国家电网公司 | Relay protection automatic testing method |
| CN104849584A (en) * | 2015-04-14 | 2015-08-19 | 中广核核电运营有限公司 | System and method for functional test of overload protective card |
| CN104897982A (en) * | 2015-04-14 | 2015-09-09 | 中广核核电运营有限公司 | Function test system and method of over-current protection card |
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| CN105467233A (en) * | 2015-11-16 | 2016-04-06 | 国家电网公司 | Intelligent substation local relay protection test system |
| CN105842560A (en) * | 2016-03-25 | 2016-08-10 | 苏州富恒特信息科技有限公司 | Relay protection type component testing system |
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| CN107132442A (en) * | 2017-06-20 | 2017-09-05 | 广州供电局有限公司 | The test device for relay protection of Intelligent transformer station |
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| CN105467233A (en) * | 2015-11-16 | 2016-04-06 | 国家电网公司 | Intelligent substation local relay protection test system |
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| CN105842560A (en) * | 2016-03-25 | 2016-08-10 | 苏州富恒特信息科技有限公司 | Relay protection type component testing system |
| CN106199277A (en) * | 2016-08-22 | 2016-12-07 | 国家电网公司 | The analysis automated detecting system of relay protection digital-to-analogue mixed signal and method thereof |
| CN107132442A (en) * | 2017-06-20 | 2017-09-05 | 广州供电局有限公司 | The test device for relay protection of Intelligent transformer station |
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