CN101799501A - One-key type test method for optical digital relay protection devices - Google Patents
One-key type test method for optical digital relay protection devices Download PDFInfo
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Abstract
The invention discloses a one-key type test method for optical digital relay protection devices. A test key is started by an operator, and then a digital tester reads information of a tested digital relay protection device through an Ethernet port and generates a test scheme according to IEC61850 communication standards, inspects the quantity of alternating current, voltage, input and output of the protection device, checks protection test items in turn until all test is completed, and automatically generates a test report. The method can really realize one-key type test, reduces requirements for testers, improves test efficiency, and avoids test errors produced because of inappropriate chosen test methods. The method has the advantages of ensuring more intelligent and automatic relay protection test process, shortening outage time, reducing labor intensity and interference of human factors and improving test reliability and accuracy.
Description
Technical field
The present invention relates to field of relay protection in power, relate in particular to the method for digital transformer substation test light digital relay protection device.
Background technology
At present, the quantity of digital transformer substation is more and more, and Various types of data realizes digitizing from the source, really realizes information integration, network service, data sharing.Collection link at electric current, voltage adopts photoelectricity/Electrical Instrument Transducers with Digital electric measurement system, realized the digital applications that electrical data is gathered, and for realizing that the conventional substation device redundancey is to the transformation of information redundancy, provide the foundation for realizing the information integration application.The current/voltage that the computing of digital substation relay protection device needs obtains from the luminiferous ether network interface with the SMV message that meets IEC 61850 agreements; Opening into the GOOSE message of signal with IEC 61850 standards of protection obtained from the process layer network by the luminiferous ether network interface; The breaker tripping and closing outlet of protection is carried out breaker tripping and closing with the GOOSE message through the switch intelligent cell; But also can put the maintenance pattern, the tripping operation of locking intelligent switch and closing function to intelligent switch by the GOOSE instruction.
The optical digital relay protection verification requires proving installation simulation system fault more truly, and the field-checking program at digital transformer substation is to have a power failure at primary equipment to carry out safety practice at present, behind the disconnection protection outlet pressing plate, at first carries out visual examination; Carry out test connection then, the staff disconnects the optical fiber that is connected of optical digital relay protection devices and merge cells, the luminiferous ether network interface of digital test instrument is inserted the luminiferous ether network interface of optical digital relay protection devices by optical fiber, for complicated protection, need apply more than one group of energizing quantity, will apply both sides or three side electric currents such as tranformer protection, bus differential protecting will apply many line currents simultaneously, and these just need to connect a plurality of luminiferous ether network interfaces to protective device; Protect the setting valve verification then, this needs the staff to calculate the excitation value that will apply according to the type and the relay protection constant value of tested protection, beginning to apply the fault excitation then moves up to protective device, operation of recording value and rreturn value, every cover protective relaying device has tens definite values, just can finish whole fixed value checkings through above-mentioned repeatedly calculating and operating process; Carry out total group test and belt switch transmission test at last.More than whole process need two people to finish jointly at the scene at least, the check one the cover complicated protection time generally want couple of days.This has certain degree of difficulty for common scene protection professional, and it requires the professional that protection philosophy and method of testing are perfectly clear.This has just increased the dependency degree to high-level relay protection personnel, often occurs the situation that error checking or check can't go in the work on the spot.
And for field adjustable work, because new erecting equipment is often gone into operation relatively hastily, the time of leaving Acceptance Test for is shorter, causes the field staff often not work out rational testing scheme according to protection philosophy.Defencive function is all tested, caused hidden trouble of equipment.It is unfixing to go back ubiquity test report form at present, and most users need manually be filled up to the result that proving installation forms in the test report, and the arrangement of test report need spend the plenty of time on the one hand; On the other hand, since the manual process of report, the authenticity of very difficult warranty test data.In sum, existing digital transformer substation method of testing needs to improve, and adopting one-touch test at the protection of digital transformer substation is the developing direction of relay protection test technology.
Summary of the invention
The purpose of this invention is to provide the one-touch method of testing of a kind of digital substation relay protection device, can improve the accuracy and the efficient of digital substation relay protection device to test.
The present invention adopts following technical proposals: a kind of method of one-touch test light digital relay protection device, may further comprise the steps: (1), start " test " key in the computing machine by operating personnel, the digital test instrument is according to the IEC61850 communication standard, read the information of tested optical digital relay protection devices by the luminiferous ether network interface, generate testing scheme automatically according to this information;
(2), check tested optical digital relay protection devices alternating current, voltage and open into, the amount of leaving and whether meet the requirements: then carry out step (3) if meet the requirements, if undesirable then abnormality alarming;
(3), each defencive function of the tested optical digital relay protection devices of verification, and the actuation time of writing down every defencive function successively;
(4), after finishing, whole defencive function verifications generate test report automatically.
Check tested optical digital relay protection devices alternating current in the described step (2), whether voltage meets the requirements specifically comprises: at first the luminiferous ether network interface by the digital test instrument adds the alternating voltage and the magnitude of current that meets the IEC61850 communication standard to tested optical digital relay protection devices; the displayed value of tested optical digital relay protection devices is returned to the digital test instrument with the form of SMV message from the optical Ethernet mouth more then, and the digital test instrument judges automatically by checking the drift and the linearity whether alternating current, voltage meet the requirements then.
Check in the described step (2) tested optical digital relay protection devices open into, whether the amount of leaving meets the requirements specifically comprises: at first the luminiferous ether network interface by the digital test instrument sends to tested optical digital relay protection devices and comprises each and open GOOSE information into amount, then each of tested optical digital relay protection devices open into, " channel status " value of the amount of leaving is returned to the digital test instrument with the form of GOOSE information from the optical Ethernet mouth again, the digital test instrument by check input open into, whether the amount of leaving and " channel status " consistent judge open into, whether the amount of leaving meets the requirements; Again will after having checked.
Automatic each defencive function of the tested optical digital relay protection devices of verification specifically may further comprise the steps in the described step (3):
(a), the digital test instrument sends automatic throwing of GOOSE information by the luminiferous ether network interface and moves back the required soft pressing plate of institute's verification protection test project;
(b), calculate automatically according to the protection type of institute's verification and protection definite value and to apply fault amount SMV, make it satisfy 0.95 times and 1.05 times of protection definite value respectively;
(c), judge whether correct operation of tested optical digital relay protection devices: if correct operation, then automatic operation of recording time of digital test instrument; If incorrect operation, digital test instrument will send this protection test project abnormality alarming, and stop test.
The condition that the tested optical digital relay protection devices correct operation of described judgement should satisfy is:
A), for the protection of excessive formula, tested optical digital relay protection devices should be when 1.05 times of protection definite value action message, when 0.95 times of protection definite value, reliably be failure to actuate, and for the protection of the amount of owing formula, then just the opposite;
B), read device action in the action message of tested optical digital relay protection devices by the luminiferous ether network interface former in consistent with institute verification protection test project for the digital test instrument;
C), the amount of the leaving GOOSE information that reads by the luminiferous ether network interface of digital test instrument, should meet the requirements with separate consistent, the sequence of movement of the action that requires, actuation time.
The digital test instrument is according to the IEC61850 communication standard in the described step (1), and the information that reads tested optical digital relay protection devices by the luminiferous ether network interface comprises model, nominal parameter, mutual inductor ratio, protection definite value, the channel definition of tested protective relaying device.
The present invention has utilized the optical digital relay protection devices information integrationization strong; the characteristics that interactivity is good; utilize the IEC61850 communication standard; realize the protective device alternating voltage; the magnitude of current and open self-verifying into amount; and can from tested optical digital relay protection devices, read definite value automatically; according to each defencive function in the automatic one by one verification protective device of definite value requirement; owing to can read the information such as definite value of tested protective relaying device by the luminiferous ether network interface; and can move back the required soft pressing plate of check by sending automatic throwing of GOOSE information, so the present invention really can realize one-touch test.The present invention reduces tester's requirement, has improved testing efficiency, has also avoided owing to the improper test errors of selecting that produces of method of testing.The present invention makes relay protection test process intellectuality, robotization more, shortens power off time, reduces the interference of labour intensity and human factor, improves the reliability and the accuracy of test.
Description of drawings
Fig. 1 is a system chart of the present invention;
Fig. 2 is the method flow diagram among the present invention.
Embodiment
As shown in Figure 1; the system of one-touch test light digital relay protection device comprises digital test instrument, computing machine and tested optical digital relay protection devices; computing machine is connected to come the test process of control figure tester by electric Ethernet interface and digital test instrument; " test " key is arranged in the computing machine; the digital test instrument has four groups of luminiferous ether network interfaces (only having represented a group among Fig. 1); this luminiferous ether network interface can be received and dispatched GOOSE information and SMV information, can be connected with the luminiferous ether network interface of tested optical digital relay protection devices by optical fiber.The digital test instrument can be tested four different protective relaying devices simultaneously by four groups of luminiferous ether network interfaces; the mouth of not sharing the same light that also can be connected on a protective relaying device is simultaneously tested; the digital test instrument is to realize hardware platform of the present invention; the digital information processing system that adopts new generation DSP+FPGA to constitute; system real time is good; powerful data-handling capacity still can guarantee high output stability when making it send the SMV message; guarantee that simultaneously maximum sampling rate is not less than on-the-spot EVT and ECT sampling rate; can send and receive and resolve nearly 20 groups of GOOSE messages, one group of GOOSE message maximum be supported 32 GOOSE data.The digital test instrument adopts and is permitted relay production DRT-800 type digital relay protection tester as hardware platform in the present embodiment; realize according to method of testing programming of the present invention; simultaneously the software function of tested light digitization protective device is made amendment, enable the needed information of verification is delivered to the digital test instrument by the optical Ethernet oral instructions of light digitization protective device.
The optical digital relay protection devices verification is most important to be exactly whether testing fixture alternating voltage, current sampling data meet the requirements, open into, whether normally leave, whether each of device defencive function correct.Therefore the present invention has utilized optical digital relay protection devices function modoularization, information integrationization is strong, interactivity is good characteristics; realize protective device alternating voltage, the magnitude of current and open self-verifying, accomplish to require one by one each defencive function in the verification optical digital relay protection devices automatically according to definite value into amount.As shown in Figure 2, the present invention specifically be may further comprise the steps:
S201: operating personnel start the feeler switch in the computing machine;
S202: the digital test instrument reads the information of tested optical digital relay protection devices by the luminiferous ether network interface, comprises device model, nominal parameter, mutual inductor ratio, protection definite value, channel definition;
S203: generate testing scheme automatically according to above information;
S204: whether alternating current, voltage drift and the linearity of checking tested optical digital relay protection devices meet the requirements: if, carry out S205, if not, the digital test instrument sends sampling abnormality alarming signal;
Checking wherein whether optical digital relay protection devices alternating current, voltage drift and the linearity meet the requirements specifically comprises: at first the luminiferous ether network interface by the digital test instrument adds the alternating current and the magnitude of current that meets the IEC61850 communication standard to tested optical digital relay protection devices, the displayed value of tested optical digital relay protection devices is returned to the digital test instrument with the form of SMV message from the optical Ethernet mouth more then, and the digital test instrument judges automatically by checking the drift and the linearity whether alternating current, voltage meet the requirements then;
S205: check whether opening into amount, the amount of leaving of tested optical digital relay protection devices be normal: if, carry out S206, if not, the digital test instrument sends to be opened into amount abnormality alarming signal;
Check that wherein tested optical digital relay protection devices opens into amount, whether the amount of leaving meets the requirements specifically comprises: at first the luminiferous ether network interface by the digital test instrument sends one by one to tested optical digital relay protection devices and comprises each and open into amount, leave the GOOSE information of quantitative change position, each of tested optical digital relay protection devices is opened into amount then, " channel status " value of the amount of leaving is returned to the digital test instrument with the form of GOOSE information from the optical Ethernet mouth again, and the digital test instrument is by checking opening into amount of importing, whether the amount of leaving and " channel status " consistent judges and opens into amount, whether the amount of leaving meets the requirements;
S206: the digital test instrument sends automatic throwing of GOOSE information by the luminiferous ether network interface and moves back the required soft pressing plate of first protection test project;
S207: the digital test instrument is adjusted fault amount SMV automatically, makes it satisfy 0.95 times and 1.05 times of tested protective relaying device protection definite value respectively;
S208: judge whether correct operation of tested optical digital relay protection devices automatically: if carry out S209; If not, the digital test instrument sends this protection test project abnormality alarming signal; Judge that wherein the condition that tested optical digital relay protection devices correct operation should satisfy is:
A), for the protection of excessive formula, tested optical digital relay protection devices should be when 1.05 times of protection definite value action message, when 0.95 times of protection definite value, reliably be failure to actuate, and for the protection of the amount of owing formula, then just the opposite;
B), read device action in the action message of tested optical digital relay protection devices by the luminiferous ether network interface former in consistent with institute verification protection test project for the digital test instrument;
C), the amount of the leaving GOOSE information that reads by the luminiferous ether network interface of digital test instrument, should be separate consistent with the action that requires, sequence of movement, actuation time meet the requirements.
S209: the digital test instrument writes down described actuation time automatically;
S210: verification the next item down protection test project; Step is with S206 to S209;
S211: until last protection test project of verification; Step is with S206 to S209;
S212: Total Test is finished, and generates test report automatically.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. the method for an one-touch test light digital relay protection device, it is characterized in that: may further comprise the steps: (1), start " test " key in the computing machine by operating personnel, the digital test instrument is according to the IEC61850 communication standard, read the information of tested optical digital relay protection devices by the luminiferous ether network interface, generate testing scheme automatically according to this information;
(2), check tested optical digital relay protection devices alternating current, voltage and open into, the amount of leaving and whether meet the requirements: then carry out step (3) if meet the requirements, if undesirable then abnormality alarming;
(3), each defencive function of the tested optical digital relay protection devices of verification, and the actuation time of writing down every defencive function successively;
(4), after finishing, whole defencive function verifications generate test report automatically.
2. the method for one-touch test light digital relay protection device according to claim 1; it is characterized in that: check tested optical digital relay protection devices alternating current in the described step (2); whether voltage meets the requirements specifically comprises: at first the luminiferous ether network interface by the digital test instrument adds the alternating voltage and the magnitude of current that meets the IEC61850 communication standard to tested optical digital relay protection devices; the displayed value of tested optical digital relay protection devices is returned to the digital test instrument with the form of SMV message from the optical Ethernet mouth more then, and the digital test instrument is judged alternating current automatically by checking the drift and the linearity then; whether voltage meets the requirements.
3. the method for one-touch test light digital relay protection device according to claim 2, it is characterized in that: check in the described step (2) tested optical digital relay protection devices open into, whether the amount of leaving meets the requirements specifically comprises: at first the luminiferous ether network interface by the digital test instrument sends to tested optical digital relay protection devices and comprises each and open GOOSE information into amount, then each of tested optical digital relay protection devices open into, " channel status " value of the amount of leaving is returned to the digital test instrument with the form of GOOSE information from the optical Ethernet mouth again, the digital test instrument by check input open into, whether the amount of leaving and " channel status " consistent judge open into, whether the amount of leaving meets the requirements; Again will after having checked.
4. the method for one-touch test light digital relay protection device according to claim 3 is characterized in that: automatic each defencive function of the tested optical digital relay protection devices of verification specifically may further comprise the steps in the described step (3):
(a), the digital test instrument sends automatic throwing of GOOSE information by the luminiferous ether network interface and moves back the required soft pressing plate of institute's verification protection test project;
(b), calculate automatically according to the protection type of institute's verification and protection definite value and to apply fault amount SMV, make it satisfy 0.95 times and 1.05 times of protection definite value respectively;
(c), judge whether correct operation of tested optical digital relay protection devices: if correct operation, then automatic operation of recording time of digital test instrument; If incorrect operation, digital test instrument will send this protection test project abnormality alarming, and stop test.
5. the method for one-touch test light digital relay protection device according to claim 4 is characterized in that: the condition that the tested optical digital relay protection devices correct operation of described judgement should satisfy is:
A), for the protection of excessive formula, tested optical digital relay protection devices should be when 1.05 times of protection definite value action message, when 0.95 times of protection definite value, reliably be failure to actuate, and for the protection of the amount of owing formula, then just the opposite;
B), read device action in the action message of tested optical digital relay protection devices by the luminiferous ether network interface former in consistent with institute verification protection test project for the digital test instrument;
C), the amount of the leaving GOOSE information that reads by the luminiferous ether network interface of digital test instrument, should meet the requirements with separate consistent, the sequence of movement of the action that requires, actuation time.
6. according to the method for the arbitrary described one-touch test light digital relay protection device of claim 1 to 5; it is characterized in that: the digital test instrument is according to the IEC61850 communication standard in the described step (1), and the information that reads tested optical digital relay protection devices by the luminiferous ether network interface comprises model, nominal parameter, mutual inductor ratio, protection definite value, the channel definition of tested protective relaying device.
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| CN102323499A (en) * | 2011-06-15 | 2012-01-18 | 北京四方继保自动化股份有限公司 | Method for automatically testing relay protection equipment |
| CN102830295A (en) * | 2011-06-15 | 2012-12-19 | 上海电力通信有限公司 | Detecting system and detecting method of digital transformer substation protecting loop |
| 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 |
| CN103605293A (en) * | 2013-11-27 | 2014-02-26 | 南京南瑞集团公司 | Simulation testing system and method for transformer substation relay protection |
| CN104237662A (en) * | 2013-06-14 | 2014-12-24 | 国家电网公司 | Automatic protection function verifying method for microcomputer type main transformer differential protection device |
| 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 |
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| CN102830295A (en) * | 2011-06-15 | 2012-12-19 | 上海电力通信有限公司 | Detecting system and detecting method of digital transformer substation protecting loop |
| CN102830295B (en) * | 2011-06-15 | 2014-12-31 | 上海电力通信有限公司 | Detecting system and detecting method of digital transformer substation protecting loop |
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| CN104237662A (en) * | 2013-06-14 | 2014-12-24 | 国家电网公司 | Automatic protection function verifying method for microcomputer type main transformer differential protection device |
| CN103439592B (en) * | 2013-06-27 | 2016-12-28 | 国家电网公司 | A kind of intelligent substation site intelligent method of testing |
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| CN103412558B (en) * | 2013-07-30 | 2016-01-13 | 国电南瑞科技股份有限公司 | Measurement and Control Equipment for Relay Protection Auto-Test System and method |
| CN103605293A (en) * | 2013-11-27 | 2014-02-26 | 南京南瑞集团公司 | Simulation testing system and method for transformer substation relay protection |
| CN103605293B (en) * | 2013-11-27 | 2016-05-04 | 南京南瑞集团公司 | A kind of substation relay protection emulation test system and emulation test method thereof |
| 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 |
| CN104483567A (en) * | 2014-12-05 | 2015-04-01 | 广东电网有限责任公司佛山供电局 | 500kV line relay protection device detection method and system |
| CN106124888B (en) * | 2016-06-15 | 2018-09-18 | 珠海科众技术有限公司 | A kind of full-automatic adjustment method and system of microcomputer protective relay device |
| CN106124888A (en) * | 2016-06-15 | 2016-11-16 | 珠海科众技术有限公司 | The full-automatic adjustment method of a kind of microcomputer protective relay device and system |
| CN106199258A (en) * | 2016-06-30 | 2016-12-07 | 国网上海市电力公司 | A kind of microcomputer protective relay Auto-Test System |
| CN106872822A (en) * | 2017-02-13 | 2017-06-20 | 国网上海市电力公司 | A kind of Auto-Test System of relay protection repair based on condition of component |
| CN106990312A (en) * | 2017-05-25 | 2017-07-28 | 贵州电网有限责任公司电力科学研究院 | The test device and method of testing of a kind of digital relay protection device |
| CN107300647A (en) * | 2017-06-07 | 2017-10-27 | 国网浙江省电力公司温州供电公司 | A kind of intelligent substation relay protection distributed test method |
| CN108008209A (en) * | 2017-10-17 | 2018-05-08 | 国网江苏省电力公司盐城供电公司 | A kind of relay protection automated closed-loop detection method |
| CN109765447A (en) * | 2019-01-29 | 2019-05-17 | 国网冀北电力有限公司唐山供电公司 | A kind of intelligent substation relay protection automatic test approach |
| CN109765447B (en) * | 2019-01-29 | 2021-12-21 | 国网冀北电力有限公司唐山供电公司 | Automatic testing method for relay protection of intelligent substation |
| CN110221138A (en) * | 2019-04-24 | 2019-09-10 | 贵州电网有限责任公司 | A kind of automatic test approach and system for protective relaying device |
| CN110687375A (en) * | 2019-10-11 | 2020-01-14 | 南京能云电力科技有限公司 | Parallel automatic test system and method for relay protection device |
| CN110687375B (en) * | 2019-10-11 | 2021-08-20 | 南京能云电力科技有限公司 | Parallel automatic test system and method for relay protection device |
| CN111123001A (en) * | 2019-12-11 | 2020-05-08 | 贵州电网有限责任公司 | One-button type testing device and testing method |
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