CN103293414A - Intelligent substation protection device synchronization performance test system and method based on GPS (globe positioning system) accurate time synchronization technology - Google Patents
Intelligent substation protection device synchronization performance test system and method based on GPS (globe positioning system) accurate time synchronization technology Download PDFInfo
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- CN103293414A CN103293414A CN2013101900703A CN201310190070A CN103293414A CN 103293414 A CN103293414 A CN 103293414A CN 2013101900703 A CN2013101900703 A CN 2013101900703A CN 201310190070 A CN201310190070 A CN 201310190070A CN 103293414 A CN103293414 A CN 103293414A
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Abstract
The invention discloses an intelligent substation protection device synchronization performance test system and method based on a GPS (globe positioning system) accurate time synchronization technology. The system comprises a plurality of subunits, each subunit comprises a relay protection test unit and a corresponding clock extension unit, the clock extension unit in each subunit is connected with a GPS receiving device, and the relay protection test units are guaranteed to start sending data at the same moment. The method is mainly used for synchronization performance test of intelligent substation protection devices under the circumstance of conventional transformer sampling, includes two modes that a protection device samples directly from a secondary winding and samples via a merging unit, and is applicable to main substation protection for high-medium-low voltage side sampling, bus protection for cross-interval sampling, differential protection of a line with an intelligent substation on one side and a traditional substation on the other side, differential protection of a line with intelligent substation on both sides and the like.
Description
Technical field
The present invention relates to a kind of based on GPS accurately to the time technology intelligent substation protective device net synchronization capability test macro and method; be applicable to the sampled data synchronism test that intelligent substation optical fiber differential protective and station interior span are protected at interval, belong to the power automation technical field.
Background technology
The data acquisition of intelligent substation protective relaying device is compared with the conventional substation protection with transmission bigger variation has been taken place.The sample mode of intelligent protection comprises: electronic mutual inductor+merge cells+protective device, conventional mutual inductor+merge cells+protective device, conventional mutual inductor+protective device etc.Wherein the function of mutual inductor is: carry out the collection to the electrical network primary equipment working voltage magnitude of current, can be divided into traditional electromagnetic transformer and electronic mutual inductor by the principle difference; The function of merge cells is: carry out the collection of mutual inductor transmission data and be converted to the digital message that meets the IEC61850 form, use for protection observing and controlling and other aut.eq.; The function of protective device is: the operation of power networks piezoelectricity flow data processing back that reception obtains is calculated in real time instantaneous or time-delay outlet when satisfying operation condition for the protection of function.
Data sampling for conventional substation is directly finished by relay protection; striding the technical comparative maturity that the interval data synchronism is handled; as long as therefore guaranteed the synchronism of each interval sampling in the monomer debug process, can guarantee that each the interval data synchronism behind the bringing normally into operation meets the demands.To adopting the intelligent relay protection system of merge cells link, the data transfer mode of its merge cells comprises point-to-point transmission and network transmission mode.Because there are time-delay in the collector of merge cells and data packing, and the time-delay of each side merge cells may be different, and the networking of data transmission also causes the uncertainty of whole transmission link time-delay in addition.For this reason; data sync index in the intelligent protection debug process needs special concern; and the merge cells link must be considered in the lump, be comprised main transformer protection, bus protection, longitudinal differential protection system (containing a side is that a digital side is conventional formula, and both sides all are digital situation).
Data sync between the current/voltage of intelligent substation protective relaying device monospace can independently be finished by a relay-protection tester that contains the current/voltage module.But to the protective relaying device of multi-compartment sampling, because each sampling unit dispersed placement, and the distance between each interval is remote, and the separate unit relay-protection tester can't be finished.The present invention has set up intelligent protective relaying device synchronism detection system, has proposed a kind of scheme of utilizing the gps satellite clock to realize data sync between many relay-protection testers.
Gps satellite provides accurate UTC the time by the atomic clock that carries for the whole world, the gps satellite receiving trap receives corresponding time data flow transmission and gives the clock expanding unit, this device provides dissimilar temporal informations after to the GPS information decoding, as comprise the B sign indicating number of complete temporal information, and with whole second, whole be divided into benchmark to the time synchronizing pulse etc.
Summary of the invention
The purpose of this invention is to provide a kind of intelligent substation protective device net synchronization capability test macro and method.This system can be used for the sample-synchronous property testing of intelligent protective relaying device, and main transformer protection, the bus protection of each branch road interval sampling, a side that comprises high, normal, basic three sides sampling is that intelligent station one side is the line differential protection at tradition station and the line differential protection situation that both sides are intelligent substation.
In order to reach above purpose, technical scheme of the present invention is as follows:
A kind of based on GPS accurately to the time technology intelligent substation protective device net synchronization capability test macro; comprise some subelements; described each subelement comprises relay-protection tester and corresponding clock expanding element; clock expanding element in the described subelement is connected with the GPS receiving trap; can receive GPS unified clock signal; make the relay protection test unit in unified initial transmission data constantly; the sample-synchronous index that is used for intelligent protective relaying device under the test electrical network normal operation, the action behavior of relay protection system under the simultaneous verification electric network fault situation.
A kind of based on GPS accurately to the time technology intelligent substation protective device net synchronization capability method of testing, comprising:
(1), main transformer senior middle school low-pressure side sample-synchronous test:
Adopt above-mentioned based on GPS accurately to the time technology intelligent substation protective device net synchronization capability test macro, the output of subelement is connected to before each side merge cells of main transformer respectively, to each side merge cells, the main transformer protection device checks the synchronism of each side sampling by relay protection test unit output AC amount;
(2), the at interval protected data sample-synchronous test of interior span of standing:
Adopt above-mentioned based on GPS accurately to the time technology intelligent substation protective device net synchronization capability test macro, respectively subelement is connected on before each interval merge cells, to each merge cells at interval, check sample-synchronous between each branch road at corresponding protective relaying device by relay protection test unit output AC amount;
(3), a side is that conventional substation one side is the differential protection net synchronization capability test of intelligent substation:
Adopt above-mentioned based on GPS accurately to the time technology intelligent substation protective device net synchronization capability test macro, wherein the relay protection test unit is exported analog quantity respectively to the merge cells of conventional substation route protection and intelligent substation side, checks sample-synchronous and the difference stream situation of vertical both sides, UNICOM road route protection;
(4), both sides are the circuit longitudinal differential protection synchronism test of intelligent station:
Adopt above-mentioned based on GPS accurately to the time technology intelligent substation protective device net synchronization capability test macro; wherein the relay protection test unit is exported analog quantity respectively to merge cells 1 and merge cells 2, checks sampled value and the difference stream situation of vertical both sides, UNICOM road route protection.
This invention is characterised in that:
(1) possesses at the ability that the interval protective device carries out the sample-synchronous performance test of striding in the station;
(2) possessing in a side is that conventional substation one side is the ability that the line differential protection under the intelligent substation situation carries out the sample-synchronous performance test;
(3) possess and be the ability that the line differential protection under the intelligent substation situation carries out the sample-synchronous performance test in both sides;
(4) extensibility, test macro are not subjected to the restriction of project scale, can conveniently increase test cell to satisfy the requirement of different test scales;
(5) degree of accuracy height, test macro adopts unified gps clock, and the trueness error in the system between each unit is less than the microsecond level.
(6) test specification contains merge cells and protective relaying device simultaneously, guarantees integrality.
The beneficial effect that the present invention reaches:
This invention provides effective means for the test of intelligent substation relay protection system net synchronization capability, especially the interval protective device of striding that adopts the merge cells sample mode is had important meaning.Utilize this distributed test system, can accurately examine the sample-synchronous of intelligent protection, this content of the test be intelligent protection before putting into operation must carry out, also be distinctive project.Utilize this pilot system and method, can under true environment, simulate the protection action behavior that various faults take place electrical network, filled up the blank of this pilot project in intelligent substation engineering application process.
Description of drawings
Fig. 1 is system schematic of the present invention;
Fig. 2 tests synoptic diagram for main transformer senior middle school low-pressure side sample-synchronous after adopting system of the present invention;
Fig. 3 tests synoptic diagram for interior span interval, station protected data sample-synchronous after adopting system of the present invention;
Fig. 4 is that a side is that conventional substation one side is the differential protection net synchronization capability test synoptic diagram of intelligent substation after the employing system of the present invention;
Fig. 5 is the differential protection net synchronization capability test synoptic diagram that both sides are intelligent substation after the employing system of the present invention.
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, to its embodiment, structure, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.
As shown in Figure 1; a kind of based on GPS accurately to the time technology intelligent substation protective device net synchronization capability test macro; comprise some subelements; described each subelement comprises relay-protection tester and corresponding clock expanding element; clock expanding element in the described subelement is connected with the GPS receiving trap; can receive GPS unified clock signal; realize unified initial transmission data constantly; be used for the sampled data synchronism index of intelligent protective relaying device under the simulation electrical network normal operation, the while can be verified the action behavior of relay protection system under the electric network fault situation.
A kind of based on GPS accurately to the time technology intelligent substation protective device net synchronization capability method of testing, comprising:
(1), the test of main transformer senior middle school low-pressure side sample-synchronous, as shown in Figure 2;
Adopt above-mentioned based on GPS accurately to the time technology intelligent substation protective device net synchronization capability test macro, the output of subelement is connected to before each side merge cells of main transformer respectively, to each side merge cells, the main transformer protection device checks the synchronism of each side sampling by relay protection test unit output AC amount;
(2), the at interval protected data sample-synchronous test of interior span of standing, as shown in Figure 3:
Adopt above-mentioned based on GPS accurately to the time technology intelligent substation protective device net synchronization capability test macro, respectively subelement is connected on before each interval merge cells, to each merge cells at interval, check sample-synchronous between each branch road at corresponding protective relaying device by relay protection test unit output AC amount;
(3), a side is that conventional substation one side is the differential protection net synchronization capability test of intelligent substation, as shown in Figure 4:
Adopt above-mentioned based on GPS accurately to the time technology intelligent substation protective device net synchronization capability test macro, wherein the relay protection test unit is exported analog quantity respectively to the merge cells of conventional substation route protection and intelligent substation side, checks sample-synchronous and the difference stream situation of vertical both sides, UNICOM road route protection;
(4), both sides are the circuit longitudinal differential protection synchronism test of intelligent station, as shown in Figure 5:
Adopt above-mentioned based on GPS accurately to the time technology intelligent substation protective device net synchronization capability test macro; wherein the relay protection test unit is exported analog quantity respectively to merge cells 1 and merge cells 2, checks sampled value and the difference stream situation of vertical both sides, UNICOM road route protection.
This invention is characterised in that:
(1) possesses at the ability that the interval protective device carries out the sample-synchronous performance test of striding in the station;
(2) possessing in a side is that conventional substation one side is the ability that the line differential protection under the intelligent substation situation carries out the sample-synchronous performance test;
(3) possess and be the ability that the line differential protection under the intelligent substation situation carries out the sample-synchronous performance test in both sides;
(4) extensibility, test macro are not subjected to the restriction of project scale, can conveniently increase test cell to satisfy the requirement of different test scales;
(5) degree of accuracy height, test macro adopts unified gps clock, and the trueness error in the system between each unit is less than the microsecond level.
(6) test specification contains merge cells and protective relaying device simultaneously, guarantees integrality.
Below disclose the present invention with preferred embodiment, so it is not in order to limiting the present invention, and all employings are equal to replaces or technical scheme that the equivalent transformation mode obtains, all drops within protection scope of the present invention.
Claims (2)
- One kind based on GPS accurately to the time technology intelligent substation protective device net synchronization capability test macro; it is characterized in that: comprise some subelements; described each subelement comprises relay protection test unit and corresponding clock expanding element; clock expanding element in the subelement is connected with the GPS receiving trap; can receive GPS unified clock signal; control each relay protection test unit synchronization and send data; the synchronism index that is used for intelligent substation protective relaying device under the checking electrical network normal operation, and the action behavior of examining relay protection system under the dissimilar failure conditions of electrical network.
- One kind based on GPS accurately to the time technology intelligent substation protective device net synchronization capability method of testing, it is characterized in that comprising:(1), main transformer senior middle school low-pressure side sample-synchronous test:Adopt claim 1 described based on GPS accurately to the time technology intelligent substation protective device net synchronization capability test macro, the output of subelement is connected to before each side merge cells of main transformer respectively, to each side merge cells, the main transformer protection device checks the synchronism of each side sampling by relay protection test unit output AC amount;(2), the at interval protected data sample-synchronous test of interior span of standing:Adopt claim 1 described based on GPS accurately to the time technology intelligent substation protective device net synchronization capability test macro, respectively the relay protection test unit is connected on before each interval merge cells, to each merge cells at interval, check sample-synchronous between each branch road at corresponding protective relaying device by relay protection test unit output AC amount;(3), a side is that conventional substation one side is the differential protection net synchronization capability test of intelligent substation:Adopt claim 1 described based on GPS accurately to the time technology intelligent substation protective device net synchronization capability test macro, wherein the relay protection test unit is exported analog quantity respectively to the merge cells of conventional substation route protection and intelligent substation side, checks sample-synchronous and the difference stream situation of vertical both sides, UNICOM road route protection;(4), both sides are the circuit longitudinal differential protection synchronism test of intelligent station:Adopt claim 1 described based on GPS accurately to the time technology intelligent substation protective device net synchronization capability test macro; wherein subelement is exported analog quantity respectively to merge cells 1 and merge cells 2, checks sampled value and the difference stream situation of vertical both sides, UNICOM road route protection.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698636A (en) * | 2013-12-24 | 2014-04-02 | 国家电网公司 | Parallel synchronous test method for relay protection tester |
| CN103869242A (en) * | 2014-04-02 | 2014-06-18 | 国家电网公司 | Whole group synchronous testing system for intelligent substation relay protection device |
| CN103983878A (en) * | 2014-06-05 | 2014-08-13 | 贵州电力试验研究院 | Relay protection synchronization performance testing system and method based on random discrete time domain |
| CN104280641A (en) * | 2014-10-23 | 2015-01-14 | 国家电网公司 | Synchronous detection system for intelligent transformer substation device |
| CN104810810A (en) * | 2015-05-19 | 2015-07-29 | 成都城电电力工程设计有限公司 | Method and device for longitudinal differential protection of power transmission line |
| CN106443215A (en) * | 2016-10-10 | 2017-02-22 | 国网安徽省电力公司电力科学研究院 | Intelligent transformer station transformer protection merging unit synchronous phase sequence checking test device and method |
| CN107505563A (en) * | 2017-09-14 | 2017-12-22 | 青海送变电工程公司 | A kind of test method of optical difference protection joint debugging |
| CN107677925A (en) * | 2017-09-16 | 2018-02-09 | 国网辽宁省电力有限公司锦州供电公司 | Computer line pilot protection synchronism method of testing |
| CN108062035A (en) * | 2017-12-21 | 2018-05-22 | 国家电网公司 | Synchronisation control means based on transforming plant distributed emulation testing |
| CN108089081A (en) * | 2017-12-21 | 2018-05-29 | 国家电网公司 | Multi-compartment emulation test system based on digital transformer substation field application |
| CN109444531A (en) * | 2018-12-21 | 2019-03-08 | 国家电网有限公司 | Relay protection sample examination system and its sample examination method based on synchronous clock synchronization |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002186166A (en) * | 2000-10-06 | 2002-06-28 | Toshiba Corp | Digital protection relay |
| CN101710158A (en) * | 2008-12-09 | 2010-05-19 | 北京机械工业学院 | Substation automation system (SAS) with insulation on-line monitoring function for high voltage electric power equipment |
| CN201867455U (en) * | 2010-09-29 | 2011-06-15 | 广东电网公司茂名供电局 | Electronic mutual indicator test system |
| CN102721882A (en) * | 2012-06-18 | 2012-10-10 | 辽宁省电力有限公司营口供电公司 | Intelligent and conventional transformer substation optical fiber longitudinal difference protection channel joint debugging test method |
| CN102983632A (en) * | 2012-12-10 | 2013-03-20 | 西南交通大学 | Synchronous sampling method for protected data of digital tractor substation |
| CN202916600U (en) * | 2012-01-30 | 2013-05-01 | 中国石油化工股份有限公司 | Satellite timing device of electric power composite automation system |
-
2013
- 2013-05-21 CN CN2013101900703A patent/CN103293414A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002186166A (en) * | 2000-10-06 | 2002-06-28 | Toshiba Corp | Digital protection relay |
| CN101710158A (en) * | 2008-12-09 | 2010-05-19 | 北京机械工业学院 | Substation automation system (SAS) with insulation on-line monitoring function for high voltage electric power equipment |
| CN201867455U (en) * | 2010-09-29 | 2011-06-15 | 广东电网公司茂名供电局 | Electronic mutual indicator test system |
| CN202916600U (en) * | 2012-01-30 | 2013-05-01 | 中国石油化工股份有限公司 | Satellite timing device of electric power composite automation system |
| CN102721882A (en) * | 2012-06-18 | 2012-10-10 | 辽宁省电力有限公司营口供电公司 | Intelligent and conventional transformer substation optical fiber longitudinal difference protection channel joint debugging test method |
| CN102983632A (en) * | 2012-12-10 | 2013-03-20 | 西南交通大学 | Synchronous sampling method for protected data of digital tractor substation |
Non-Patent Citations (1)
| Title |
|---|
| 黎锐烽: "基于IEEE1588的智能变电站时钟同步网络研究", 《中国优秀硕士论文全文数据库》 * |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103698636A (en) * | 2013-12-24 | 2014-04-02 | 国家电网公司 | Parallel synchronous test method for relay protection tester |
| CN103698636B (en) * | 2013-12-24 | 2016-01-06 | 国家电网公司 | A kind of method of relay-protection tester parallel synchronous test |
| CN103869242B (en) * | 2014-04-02 | 2016-08-17 | 国家电网公司 | A kind of whole group of simultaneous test system of relay protection device of intelligent substation |
| CN103869242A (en) * | 2014-04-02 | 2014-06-18 | 国家电网公司 | Whole group synchronous testing system for intelligent substation relay protection device |
| CN103983878A (en) * | 2014-06-05 | 2014-08-13 | 贵州电力试验研究院 | Relay protection synchronization performance testing system and method based on random discrete time domain |
| CN103983878B (en) * | 2014-06-05 | 2016-09-14 | 贵州电力试验研究院 | Relay protection net synchronization capability based on Random Discrete time domain test system and method |
| CN104280641A (en) * | 2014-10-23 | 2015-01-14 | 国家电网公司 | Synchronous detection system for intelligent transformer substation device |
| CN104810810A (en) * | 2015-05-19 | 2015-07-29 | 成都城电电力工程设计有限公司 | Method and device for longitudinal differential protection of power transmission line |
| CN106443215A (en) * | 2016-10-10 | 2017-02-22 | 国网安徽省电力公司电力科学研究院 | Intelligent transformer station transformer protection merging unit synchronous phase sequence checking test device and method |
| CN107505563A (en) * | 2017-09-14 | 2017-12-22 | 青海送变电工程公司 | A kind of test method of optical difference protection joint debugging |
| CN107505563B (en) * | 2017-09-14 | 2020-01-07 | 青海送变电工程公司 | Testing method for optical difference protection joint debugging |
| CN107677925A (en) * | 2017-09-16 | 2018-02-09 | 国网辽宁省电力有限公司锦州供电公司 | Computer line pilot protection synchronism method of testing |
| CN108062035A (en) * | 2017-12-21 | 2018-05-22 | 国家电网公司 | Synchronisation control means based on transforming plant distributed emulation testing |
| CN108089081A (en) * | 2017-12-21 | 2018-05-29 | 国家电网公司 | Multi-compartment emulation test system based on digital transformer substation field application |
| CN109444531A (en) * | 2018-12-21 | 2019-03-08 | 国家电网有限公司 | Relay protection sample examination system and its sample examination method based on synchronous clock synchronization |
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Application publication date: 20130911 |