CN101873188A - Full synchronizing evolution method of electric power communication synchronization network based on common mode common view measurement technology - Google Patents
Full synchronizing evolution method of electric power communication synchronization network based on common mode common view measurement technology Download PDFInfo
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Abstract
The invention relates to the field of full synchronization of an electric power communication synchronization network, in particular to a full synchronizing evolution method of an electric power communication synchronization network based on a common mode common view measurement technology, and aims at changing the situations that multiple large synchronization zones and multiple independently-operated primary reference clocks (PRC) exist in the traditional synchronization network, solving the hidden synchronization problems in the communication among all the synchronization zones and especially the communication problems generated between the electric power communication private network and the communication networks of other operators due to desynchronization to realize the synchronization in the whole network.
Description
Technical field
The present invention relates to the full field of synchronization of electric power communication synchronization network, be specifically related to a kind of full synchronizing evolution method of electric power communication synchronization network based on common mode common view (CMCV-CommonMode Common View) measuring technique.Be used to change present Synchronization Network and have a plurality of big synchronization zones, the situation of the Primary reference clock PRC of a plurality of independent operatings, solving communicates by letter between each synchronization zone exists the problem of synchronous hidden danger, especially between power communication private network and other operator's communication networks because of the communication issue of asynchronous generation, synchronous to realize the whole network.
Background technology
External communication synchronization net is started to walk early, research is abundant, and is fairly perfect through construction for many years.The Synchronization Network of the various countries, Europe and the U.S. has formed synchronously complete or theoretical synchronously complete, such as, European countries are little, the Synchronization Network scale is also little, only has ground caesium clock a reference source, inapplicable GPS networking, reference clock of the whole network, adopt principal and subordinate's method of synchronization, do not have frequency deviation under the normal condition, realize that the whole network is synchronous; Though the U.S. is a plurality of Primary reference clocks sources, but it uses GPS technology groups anastomose to close the Synchronization Network supervisory control system, frequency departure between control and the raising Primary reference clock source is better than ± 1E-13 the long run frequency accuracy in its Primary reference clock source, and is synchronous to reach the whole network.
At present, the communication synchronization net of each big operator of China and power communication private network all is unrealized synchronously complete.Electric power communication synchronization network divides a plurality of synchronous Da Qu, to mix method of synchronization operation, be different from the situation of American-European countries between the synchronization zone, the method that this patent adopts is used for reference the experience of American-European countries, but do not use the GPS technology, discharged the uncontrollability of GPS fault and deterioration.
The definition of said frequencies accuracy is to measure with the time base unit-atomic second in the international unit, in the actual measurement, is to adopt a reference frequency source as relative foundation, can the unit of providing in the report of prior art and the reference.
Summary of the invention
The purpose of this invention is to provide all synchro method of a kind of realization electric power communication synchronization network, for building perfect company's power communication digital synchronous network, improve communication system performance, ensure power grid security, stable operation, for system of final realization company has great importance entirely synchronously.
The present invention proposes a kind of full synchronizing evolution method of electric power communication synchronization network, it is characterized in that setting up centralized monitoring system and frequency standard system, may further comprise the steps at same position based on common mode common view measurement technology:
1) set up to concentrate absolute measuring system, comprise the high-precision frequency standard of centralized monitoring system and system;
2) allow all Primary reference clock PRC of the whole network (Primary Reference Clock, be called for short PRC) all mode and frequency standard systematic comparisons of clock by looking altogether, be that each Primary reference clock PRC joins a pair of common mode common view receiver, one is placed on Primary reference clock PRC side, one is placed on the frequency standard system side, all same gps satellites of receiver tracking of looking altogether;
3) absolute error that obtains after relatively of Primary reference clock PRC and modular system, computing obtains relative error in centralized monitoring system, adjust each clock by relative error again, make frequency departure between each clock, just can think that the communication synchronization net realizes synchronously complete at least less than ± 1E-13.
Wherein, realize comparison between Primary reference clock PRC and the modular system in the mode of common mode common view, the comparison result that obtains, promptly the absolute error between Primary reference clock PRC and the modular system is transferred to centralized monitoring system by datel circuit; Common mode common view comparison method is meant utilizes gps satellite as medium, and Primary reference clock PRC and frequency or the time ratio between the frequency standard system of finishing wide apart are right, and the GPS receiver must work in and look tracking mode altogether, follows the tracks of same satellite.
Wherein, with the modular system is the comparison benchmark, obtains the frequency absolute error between Primary reference clock PRC and the modular system earlier, is handled obtaining relative error again by centralized monitoring system, regulate and control PRC according to relative error, the frequency departure between reducing is to reach all synchro purpose.4, method as claimed in claim 3, it is characterized in that: definitely comparing regulation and control scheme is to adopt the gps satellite common mode common view measurement technology, adding concentrated regulator control system by concentrated absolute measuring system constitutes, concentrated absolute measuring system comprises the common mode common view gps satellite receiver of PRC side and the common mode common view gps satellite receiver and the high accuracy frequency standard system of concentrated regulator control system side, concentrated regulator control system comprises that regulation and control are soft, hardware, concentrated absolute measuring system is finished the online absolute measurement to each PRC in strange land, the absolute measurement benchmark is for concentrating the high accuracy frequency standard system of regulator control system side, the precision of described high accuracy frequency standard system should be better than ± 1E-14, by concentrated its measurement data of regulator control system real-time collecting and carry out analyzing and processing, the caesium clock to each Primary reference clock PRC carries out real-time monitoring simultaneously then.
The advantage of technical solution of the present invention is:
1) mode of the absolute comparison of employing in this scheme, and the benchmark of comparison is the ground standard system of satellite system, has not only improved the benchmark of comparison, and with same measuring basis precision, can not introduce the measuring basis error;
2) error of common mode common view system introducing is the same basically concerning any measured point, even the error difference that the common mode common view receiver of different test points is introduced because of its otherness, this error is also very little, can ignore;
3) carried out absolute measurement between each clock and the modular system in the comparison, and followed the tracks of same satellite, the path that signal obtains is identical, and the relative error between the clock that obtains of absolute measurement is very accurate thus again.
Description of drawings
The present invention is further described below in conjunction with accompanying drawing.
Fig. 1 is a Control Network running frequency deviation principle schematic diagram;
Fig. 2 definitely compares regulation and control scheme two system structural representation, and wherein: △ represents to look altogether receiver.
Embodiment
The slip cycle of known synchronizer calculates with frequency departure, when frequency departure be better than ± during 1E-13, calculate the slip cycle be 20 years, be that synchronizer moves back fortune and the time also slip can not occur, so only need make the frequency departure between the different Primary reference clock PRC of the whole network be better than ± 1E-13, just can think and realize entirely synchronously.
Based on above-mentioned principle, adopted the method for Control Network running frequency deviation in the scheme, it is newly-built frequency standard system, with the comparison of PRC Primary reference clock, not only improve the precision of comparison, also the result that will compare sends into self-built centralized monitoring system by terrestrial links, monitoring adjusting function by supervisory control system, frequency departure between each PRC of monitoring comparison is adjusted PRC according to this deviation, and its frequency departure is better than ± 1E-13.The system configuration schematic diagram as shown in Figure 1, frame of broken lines is represented centralized monitoring system among the figure, it has the function of monitoring and regulation and control, two-way communication between this system and the PRC clock, with realization to monitoring and the regulation and control of Primary reference clock PRC.
Absolute comparison regulation and control scheme two is centralized monitoring systems of newly-built frequency standard system and electric power communication synchronization network, with the frequency standard system is the comparison benchmark, finish the comparison between PRC and the frequency standard system, what this comparison obtained is absolute error, so called after is definitely compared regulation and control scheme two.
This scheme is to adopt the gps satellite common mode common view measurement technology, is added by concentrated absolute measuring system and concentrates regulator control system to constitute.Concentrated absolute measuring system comprises the common mode common view gps satellite receiver of PRC side and the common mode common view gps satellite receiver and the high accuracy frequency standard system of concentrated regulator control system side, and concentrated regulator control system comprises soft, the hardware of regulation and control.Concentrated absolute measuring system is finished the online absolute measurement to each PRC in strange land, the absolute measurement benchmark for the high accuracy frequency standard system that concentrates the regulator control system side (should be better than ± 1E-14), then by concentrated its measurement data of regulator control system real-time collecting and carry out analyzing and processing, caesium clock to each PRC carries out real-time monitoring simultaneously, and the regulation and control cycle need be studied.
Absolute comparison regulation and control scheme one system configuration schematic diagram is made up of concentrated absolute measuring system and concentrated regulator control system two parts among the figure as shown in Figure 2.The first half among concentrated absolute measuring system such as the figure comprises each Primary reference clock PRC and receiver, frequency standard system and configuration thereof are looked in configuration altogether and the PRC receiver is looked receiver one to one altogether.This part realizes that in the mode of common mode common view the frequency ratio between PRC and the modular system is right.Concentrate the monitoring comparison signal between regulator control system and the PRC to transmit by datel circuit (as E1 special line, DCN net, IP network etc.).
Represent two different Primary reference clock PRCs with A, B at 2 respectively.During the common mode common view comparison, suppose that A, B two point measurement data are respectively Φ a and Φ b, Φ a=φ a+ea+es then, Φ b=φ b+eb+es, wherein φ a and φ b are respectively the actual phase data of 2 of A, B, ea and eb are respectively the measure error (the common mode common view systematic error does not comprise the measuring basis error) of 2 of A, B, and es is the measuring basis error.Therefore, when centralized monitoring system compares processing, can obtain A, the relative phase that B is 2 is: Φ ab=Φ a-Φ b=(φ a+ea+es)-(φ b+eb+es)=(φ a+ea)-(φ b+eb), suppose A, B two point measurement errors are identical, Φ ab=Φ a-Φ b=φ a-φ b is then arranged, otherwise, measure error to its regulation and control with influential, in fact the error of common mode common view system introducing is the same basically concerning any measured point, even the error difference that the common mode common view receiver of different test points is introduced because of its otherness, this error is also very little, can ignore.This shows, can not introduce the measuring basis error (same measuring basis, and absolute measurement be measuring basis be better than ± 1E-14), and the common mode common view systematic error can be ignored basically.
Invention has been described according to specific exemplary embodiment herein.It will be conspicuous carrying out suitable replacement to one skilled in the art or revise under not departing from the scope of the present invention.Exemplary embodiment only is illustrative, rather than to the restriction of scope of the present invention, scope of the present invention is by appended claim definition.
Claims (3)
1. the full synchronizing evolution method of electric power communication synchronization network based on common mode common view measurement technology is characterized in that setting up centralized monitoring system and frequency standard system at same position, may further comprise the steps:
1) set up to concentrate absolute measuring system, comprise the high-precision frequency standard of centralized monitoring system and system;
2) allow all mode and the frequency standard systematic comparisons of all Primary reference clock PRC clocks of the whole network by looking altogether, be that each Primary reference clock PRC joins a pair of common mode common view receiver, one is placed on Primary reference clock PRC side, one is placed on the frequency standard system side, all same gps satellites of receiver tracking of looking altogether;
3) absolute error that obtains after relatively of Primary reference clock PRC and modular system, computing obtains relative error in centralized monitoring system, adjust each clock by relative error again, make frequency departure between each clock, just can think that the communication synchronization net realizes synchronously complete at least less than ± 1E-13.
2. the method for claim 1, it is characterized in that: realize comparison between Primary reference clock PRC and the modular system in the mode of common mode common view, the comparison result that obtains, promptly the absolute error between Primary reference clock PRC and the modular system is transferred to centralized monitoring system by datel circuit; Common mode common view comparison method is meant utilizes gps satellite as medium, and Primary reference clock PRC and frequency or the time ratio between the frequency standard system of finishing wide apart are right, and the GPS receiver must work in and look tracking mode altogether, follows the tracks of same satellite.
3. method as claimed in claim 2, it is characterized in that: be the comparison benchmark with the modular system, obtain the frequency absolute error between Primary reference clock PRC and the modular system earlier, handle by centralized monitoring system again and obtain relative error, regulate and control PRC according to relative error, the frequency departure between reducing is to reach all synchro purpose.4, method as claimed in claim 3, it is characterized in that: definitely comparing regulation and control scheme is to adopt the gps satellite common mode common view measurement technology, adding concentrated regulator control system by concentrated absolute measuring system constitutes, concentrated absolute measuring system comprises the common mode common view gps satellite receiver of PRC side and the common mode common view gps satellite receiver and the high accuracy frequency standard system of concentrated regulator control system side, concentrated regulator control system comprises that regulation and control are soft, hardware, concentrated absolute measuring system is finished the online absolute measurement to each PRC in strange land, the absolute measurement benchmark is for concentrating the high accuracy frequency standard system of regulator control system side, the precision of described high accuracy frequency standard system should be better than ± 1E-14, by concentrated its measurement data of regulator control system real-time collecting and carry out analyzing and processing, the caesium clock to each Primary reference clock PRC carries out real-time monitoring simultaneously then.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105991205A (en) * | 2015-02-05 | 2016-10-05 | 于天泽 | Verifiable and adjustable full synchronous communication network, and implementation method thereof |
| WO2020043181A1 (en) * | 2018-08-31 | 2020-03-05 | 中兴通讯股份有限公司 | Clock synchronization method and apparatus, system, storage medium, and electronic device |
| CN111538227A (en) * | 2020-06-11 | 2020-08-14 | 中国电力科学研究院有限公司 | High-precision time testing method, system and storage medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101383495A (en) * | 2007-09-05 | 2009-03-11 | 株式会社东芝 | Wide area protection control measurement system and method |
| CN101534185A (en) * | 2009-04-02 | 2009-09-16 | 华为技术有限公司 | Time synchronizing device, method and system |
| CN101635455A (en) * | 2008-07-22 | 2010-01-27 | 郑州威科姆科技股份有限公司 | Method for calibrating characteristic waves of power network by utilizing clock stamp |
| CN201425704Y (en) * | 2009-05-08 | 2010-03-17 | 上海汉鼎电力科技有限公司 | Satellite synchronous main clock device |
-
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101383495A (en) * | 2007-09-05 | 2009-03-11 | 株式会社东芝 | Wide area protection control measurement system and method |
| CN101635455A (en) * | 2008-07-22 | 2010-01-27 | 郑州威科姆科技股份有限公司 | Method for calibrating characteristic waves of power network by utilizing clock stamp |
| CN101534185A (en) * | 2009-04-02 | 2009-09-16 | 华为技术有限公司 | Time synchronizing device, method and system |
| CN201425704Y (en) * | 2009-05-08 | 2010-03-17 | 上海汉鼎电力科技有限公司 | Satellite synchronous main clock device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105991205A (en) * | 2015-02-05 | 2016-10-05 | 于天泽 | Verifiable and adjustable full synchronous communication network, and implementation method thereof |
| WO2020043181A1 (en) * | 2018-08-31 | 2020-03-05 | 中兴通讯股份有限公司 | Clock synchronization method and apparatus, system, storage medium, and electronic device |
| CN111538227A (en) * | 2020-06-11 | 2020-08-14 | 中国电力科学研究院有限公司 | High-precision time testing method, system and storage medium |
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