CN102710357B - Smart power grid distribution type measurement and control synchronizing method - Google Patents
Smart power grid distribution type measurement and control synchronizing method Download PDFInfo
- Publication number
- CN102710357B CN102710357B CN201210178013.9A CN201210178013A CN102710357B CN 102710357 B CN102710357 B CN 102710357B CN 201210178013 A CN201210178013 A CN 201210178013A CN 102710357 B CN102710357 B CN 102710357B
- Authority
- CN
- China
- Prior art keywords
- terminal
- synchronous
- control
- program
- test
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000005259 measurement Methods 0.000 title abstract description 5
- 230000001360 synchronised effect Effects 0.000 claims abstract description 38
- 238000012360 testing method Methods 0.000 claims abstract description 23
- 238000012545 processing Methods 0.000 claims abstract description 17
- 230000006855 networking Effects 0.000 claims abstract description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 238000000151 deposition Methods 0.000 claims description 2
- 230000002452 interceptive effect Effects 0.000 claims description 2
- 230000009466 transformation Effects 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 230000006854 communication Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 101100350613 Arabidopsis thaliana PLL1 gene Proteins 0.000 description 1
- 101100082028 Arabidopsis thaliana PLL2 gene Proteins 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Landscapes
- Small-Scale Networks (AREA)
Abstract
The invention discloses a smart power grid distribution type measurement and control synchronizing method. A test terminal with Ethernet networking and a GPS (Global Positioning System) synchronous sequence interface forms a hardware platform together with a server by a known rapid Ethernet exchanger, and the synchronous measurement and control of a distribution type power grid can be realized under the control of a synchronous acquisition and management program, wherein 128 terminals form a distribution type test system and are respectively connected at different parts of transformer substations or factories to complete the local data acquisition, control and processing, and meanwhile, each terminal is managed by a Workstation through a network so as to realize the synchronous control of the local test terminal and other terminals and the data processing by cooperation with the other terminals. According to the smart power grid distribution type measurement and control synchronizing method, the synchronous test between the remote test terminals of the power grid is realized, and the demands on the safety monitoring, grid-tied control and proper scheduling of each station by the distribution type power grid can be met.
Description
Technical field
The present invention relates to distributed instrumentation field, particularly the GPS remote synchronization method of distributed measurement and control instrument in intelligent grid.
Background technology
Intelligent grid is a distributed power grid, need to solve the generating electricity by way of merging two or more grid systems of the various energy that is distributed in different location, it will and be controlled whole power grid security test and propose more requirements, and wherein the Simultaneous Monitoring between the generating-power transformation-power distribution station of different location is exactly one of necessary problem solving with controlling.Remote synchronization technology is early by radio signal, along with after GPS simultaneous techniques occurs, brings into use 1 millisecond of time sequential pulse that GPS provides as synchronizing signal, solves between 2 or several website synchronously.Existing method is difficult to solve intelligent grid to problems such as synchronous data sampling, processing, storages, and a kind of synchronous and data managing method with Network Management Function need to be provided.
summary of the invention
The object of the invention is: provide a kind of intelligent grid distributed observing and controlling synchronous method, set up distributed instrumentation, realize synchronous acquisition and control, guarantee is scattered in the test terminal of different location can be strictly synchronous, and taking GPS synchronous sequence as datum mark, adopt the synchronization mechanism of similar ticketing reservation, in Fast Ethernet, sell and comprise the synchronization frame of preengaging the moment to each terminal of test network by main website coordinated management, after each terminal is received, in the mode of round-robin, in the timeslice of its address size mapping, send and confirm acknowledgement frame to main website, main website is received after the acknowledgement frame of terminal, just make marks in respective field, accurately know the end message of collaborative work, main website can make system works in various modes by configurating terminal simultaneously, both can specify overall network terminal, also can select specific terminal.
The scheme that technical solution problem of the present invention is taked is: the test terminal with Ethernet networking and GPS synchronous sequence interface, form hardware platform by known fast ethernet switch and server, under the control of synchronous acquisition hypervisor, realize synchronism detection and the control of distributed power grid; Wherein, form distributed test system with 128 station terminals, 1-128 test terminal is connected to respectively the test lead position of each transformer station or factory's transformer, completes local data acquisition, controls and processes; Each terminal is accepted again the management of work station Workstation by network simultaneously, realizes the Synchronization Control of local test terminal and other terminal and the data processing of collaborative all the other terminals; Wherein, to be 27MHz set up 1000 frequencys multiplication countings with 1 millisecond of clock of GPS through 27 times of frequency divisions and phase-locked loop pll processing to the data acquisition clock of test terminal synchronizes, and is set as 5 milliseconds synchronizing cycle; Wherein, the processor NIOS building in the FPGA of main website moves the program setting in advance, preengage communicating by letter of acquisition and processing by Ethernet with each terminal, each terminal starts to carry out collection, processing, storage and transformation task at the time point of reservation receiving the program of controlling the machine after synch command; It is characterized in that
this synchronous method comprises the following steps:
step 1, main website presell synchronization frame:the program of depositing in advance in master station computer is accepted the required number of terminals of user configured plan participation network by interactive interface, acquisition parameter and deal with data instruction, program obtains presynchronization time point PreT according to default the whole network sync period and current moment addition, the Ethernet UDP frame { Ticket:Syn that generation comprises PreT, PreT, InBit }, wherein Syn represents synchronization frame type, InBit is reserve terminal tagged word, totally 128, every is 0 or 1 to represent a terminal-joined or do not participate in collaborative collection, after completing, binding and layout receiving after GPS lock-out pulse that broadcast transmission is to each end immediately,
the reception of step 2, terminal with synchronize:main program in the process processor NIOS of terminal, always in the state of intercepting, when receiving after synchronization frame { Ticket:SA, Syn, PreT, InBit }, arranges the machine presynchronization sampled point, makes this terminal enter synchronous regime and carries out synchronous acquisition at this point;
step 3, terminal are selected a good opportunity and are beamed back acknowledgement frame:it is round-robin that program in NIOS is beamed back the mechanism of replying, within the presynchronization phase, terminal has a timeslice corresponding with own IP address, reply and take turns to oneself timeslice when needs, send acknowledge synchronization frame { Ticket:SA, DA, Syn, PreT, InBit }, each of tagged word InBit shows that whether respective site is synchronous, when corresponding positions is 1 to show synchronous success, this terminal can be participated in; When corresponding positions is 0, show synchronously unsuccessfully, may be this terminating circuit fault;
ticket and count of votes are received by step 4, main website:main website program, at the acknowledge synchronization frame of receiving that terminal is beamed back, has two kinds of results by statistics afterwards, and one is all to enter normal synchronized state, can carry out the collection of data; Another kind is that part is participated in, and this will enter corresponding processing procedure according to prepattern, adds up through program, if adopt more than half ballot systems, only need statistics to participate in terminal numeral and whether reach total half, reach and carry out acquisition and processing, do not reach and need again to preengage;
step 5, main website repeat reservation:main website needs reservation again in the time can not receive replying that terminal beams back again, and enters step 1, while still not reaching qualified poll at most after 16 reservations, to user report mistake.
beneficial effect of the present invention: realize the synchronism detection between electrical network remote testing terminal, ensure safety monitoring, grid-connected control, the in good time needs highly of distributed power grid to each website.
Brief description of the drawings
Fig. 1 intelligent grid Network system of distributed measure and control schematic diagram.
Fig. 2 has Ethernet and GPS timing synchronization test terminal block diagram.
Fig. 3 distributed synchronization control flow chart.
Embodiment
Below in conjunction with drawings and Examples, technical solution of the present invention is described further, can not be interpreted as it is the restriction to technical scheme.
As shown in Figure 1, the test terminal RTM-1 that is positioned at electric power scene carries out the collection of three-phase voltage U a-Uc, three-phase current Ia-Ic to tested object to RTM-n, carry out local data processing by DSP, then be transferred to central server Server by Ethernet, Server processes in conjunction with corresponding monitoring model through default program, send instruction and provide Web service to user User to each terminal, keeper Asmin manages whole network, is responsible for the control of monitoring mode.
As shown in Figure 2, be to there is the synchronous remote monitoring terminal of GPS, by
number-Mo converting unitchip AD7606 completes the voltage of three-phase and central point, the collection of electric current, its gather sequential with
gPS receiving elementthe sequential Clk_1ms providing by
control unitthe phase-locked bad PLL2 of middle setting carries out synchronously, can in a power cycle, complete in order to ensure to gather, and phase-locked bad PLL1 is also set, synchronous with regard to being subject to Clk_1ms the zero hour that makes to gather like this, and frequency acquisition is 512 times of supply frequency; Terminal is managed by NIOS and two processors of DSP, and wherein DSP completes in quick Fu and converts the processing of FFT sophisticated signal, and NIOS is the processor being embedded in FPGA, complete and control and data communication, in NIOS, loaded μ Cos operating system, customized ICP/IP protocol, μ Cos passes through
ethernet interface unitother terminal communication on chip LAN91C111 and network.
As shown in Figure 3, be remote synchronization process control flow chart, when main website and terminal complete after initialization, program in main website server is responsible for communication process management, data communication, when main website program need to be worked in coordination with each terminal while carrying out network monitor, main website is to each slave station broadcast reservation synchronization frame, by the synchronous UDP frame of presell { Ticket:Syn, PreT, InBit }, wherein Syn is synchronization frame type, PreT is presynchronization time point, that current time adds time synchronizing cycle, InBit is reserve terminal tagged word, when user processes collection and data by the required terminal participation network of interface configurations, totally 128, every is 0 or 1 to represent a terminal-joined or do not participate in collaborative collection, after completing, binding and layout receiving after GPS lock-out pulse that broadcast transmission is to each end immediately, terminal processes, always in the state of intercepting, when receiving after synchronization frame { Ticket:SA, Syn, PreT, InBit }, arranges the machine presynchronization sampled point, and makes this terminal carry out synchronous acquisition at this point, terminal is beamed back acknowledgement frame in it takes turns the timeslice turning, conversion order be the machine address/IP address mutually from high to low, the timeslice that each IP is corresponding, when oneself timeslice is replied and taken turns to needs, send acknowledge synchronization frame { Ticket:SA, DA, Syn, PreT, InBit }, now each of InBit shows that whether respective site is synchronous, when corresponding positions is 1 to show synchronous success, being that this terminal can be participated in, when corresponding positions is 0 to show synchronously unsuccessfully, may be this terminating circuit fault, main website program is at the acknowledge synchronization frame of receiving that terminal is beamed back, and the poll that statistics is received, according to result, makes and whether need synchronous decision-making again, reaches default synchronous acquisition always and requires or provide report, for preventing that main website from can not receive replying that terminal beams back deadlock occurs,
main website adopts limited repetition booking-mechanism,while still not reaching qualified poll at most after 16 reservations, notify user, and produce error reporting, the object of setting overtime timing be prevent from transmitting middle intermittent line or the terminal deadlock etc. of data when abnormal program can get back to initial condition.
Claims (1)
1. the distributed observing and controlling synchronous method of intelligent grid, there is the test terminal of Ethernet networking and GPS synchronous sequence interface, form hardware platform by known fast ethernet switch and server, under the control of synchronous acquisition hypervisor, realize synchronism detection and the control of distributed power grid; Wherein, form distributed test system with 128 station terminals, 1-128 test terminal is connected to respectively the test lead position of each transformer station or factory's transformer, completes local data acquisition, controls and processes; Each terminal is accepted again the management of work station Workstation by network simultaneously, realizes the Synchronization Control of local test terminal and other terminal and the data processing of collaborative all the other terminals; Wherein, to be 27MHz set up 1000 frequencys multiplication countings with 1 millisecond of clock of GPS through 27 times of frequency divisions and phase-locked loop pll processing to the data acquisition clock of test terminal synchronizes, and is set as 5 milliseconds synchronizing cycle; Wherein, the processor NIOS building in the FPGA of main website moves the program setting in advance, preengage communicating by letter of acquisition and processing by Ethernet with each terminal, each terminal starts to carry out collection, processing, storage and transformation task at the time point of reservation receiving the program of controlling the machine after synch command; It is characterized in that
this synchronous method comprises the following steps:
step 1, main website presell synchronization frame:the program of depositing in advance in master station computer is accepted the required number of terminals of user configured plan participation network by interactive interface, acquisition parameter and deal with data instruction, program obtains presynchronization time point PreT according to default the whole network sync period and current moment addition, the Ethernet UDP frame { Ticket:Syn that generation comprises PreT, PreT, InBit }, wherein Syn represents synchronization frame type, InBit is reserve terminal tagged word, totally 128, every is 0 or 1 to represent a terminal-joined or do not participate in collaborative collection, binding and layout complete, and receiving after GPS lock-out pulse that broadcast transmission is to each terminal immediately,
the reception of step 2, terminal with synchronize:main program in the process processor NIOS of terminal, always in the state of intercepting, when receiving after synchronization frame { Ticket:SA, Syn, PreT, InBit }, arranges the machine presynchronization sampled point, makes this terminal enter synchronous regime and carries out synchronous acquisition at this synchronous point; Wherein SA is source address;
step 3, terminal are selected a good opportunity and are beamed back acknowledgement frame:it is round-robin that program in NIOS is beamed back the mechanism of replying, within the presynchronization phase, terminal has a timeslice corresponding with own IP address, reply and take turns to oneself timeslice when needs, send acknowledge synchronization frame { Ticket:SA, DA, Syn, PreT, InBit }, each of tagged word InBit shows that whether respective site is synchronous, when corresponding positions is 1 to show synchronous success, this terminal can be participated in; When corresponding positions is 0, show synchronously unsuccessfully, represent this terminating circuit fault; Wherein DA is destination address;
ticket and count of votes are received by step 4, main website:main website program, at the acknowledge synchronization frame of receiving that terminal is beamed back, has two kinds of results by statistics afterwards, and one is all to enter normal synchronized state, can carry out the collection of data; Another kind is that part is participated in, and this will enter corresponding processing procedure according to prepattern, adds up through program, if adopt more than half ballot systems, only need statistics to participate in terminal numeral and whether reach total half, reach and carry out acquisition and processing, do not reach and need again to preengage;
step 5, the limited repetition of main website are preengage:main website needs reservation again in the time can not receive replying that terminal beams back again, and enters step 1, while still not reaching qualified poll at most after 16 reservations, to user report mistake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210178013.9A CN102710357B (en) | 2012-06-01 | 2012-06-01 | Smart power grid distribution type measurement and control synchronizing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210178013.9A CN102710357B (en) | 2012-06-01 | 2012-06-01 | Smart power grid distribution type measurement and control synchronizing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102710357A CN102710357A (en) | 2012-10-03 |
| CN102710357B true CN102710357B (en) | 2014-09-10 |
Family
ID=46902937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210178013.9A Active CN102710357B (en) | 2012-06-01 | 2012-06-01 | Smart power grid distribution type measurement and control synchronizing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102710357B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103326802A (en) * | 2013-05-31 | 2013-09-25 | 燕山大学 | Wireless network system for achieving synchronous acquisition, synchronous acquisition device and method |
| CN105515706B (en) * | 2015-10-13 | 2018-10-30 | 福州开发区慧聚通信技术有限公司 | It is a kind of to realize synchronous method and system using pulse map domain |
| CN105425662B (en) * | 2015-11-06 | 2019-04-09 | 北京广利核***工程有限公司 | Primary processor and its control method in Distributed Control System based on FPGA |
| CN105577839B (en) * | 2016-02-29 | 2018-10-26 | 武汉大学 | A kind of distributed data acquisition system and method for three-dimensional local sample prescription networking |
| CN108089468A (en) * | 2018-01-11 | 2018-05-29 | 尚健静 | A kind of medical examination equipment control sequential visualized generation method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201226521Y (en) * | 2008-02-28 | 2009-04-22 | 江苏电力调度通信中心 | System for monitoring time synchronization |
| CN101789624A (en) * | 2009-12-09 | 2010-07-28 | 中国电力科学研究院 | Centralized digital transformer substation system |
| CN101873005A (en) * | 2010-06-17 | 2010-10-27 | 深圳市科陆电子科技股份有限公司 | Method for realizing balanced acquisition of electric energy |
| CN102437641A (en) * | 2011-09-20 | 2012-05-02 | 淮阴工学院 | 3G-based remote power quality monitoring method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9112710B2 (en) * | 2010-10-05 | 2015-08-18 | Cisco Technology, Inc. | System and method for providing smart grid communications and management |
-
2012
- 2012-06-01 CN CN201210178013.9A patent/CN102710357B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201226521Y (en) * | 2008-02-28 | 2009-04-22 | 江苏电力调度通信中心 | System for monitoring time synchronization |
| CN101789624A (en) * | 2009-12-09 | 2010-07-28 | 中国电力科学研究院 | Centralized digital transformer substation system |
| CN101873005A (en) * | 2010-06-17 | 2010-10-27 | 深圳市科陆电子科技股份有限公司 | Method for realizing balanced acquisition of electric energy |
| CN102437641A (en) * | 2011-09-20 | 2012-05-02 | 淮阴工学院 | 3G-based remote power quality monitoring method |
Non-Patent Citations (4)
| Title |
|---|
| 以太网分布式数据采集同步和实时传输研究;游雪峰等;《仪器仪表学报》;20060430;第27卷(第4期);全文 * |
| 基于FPGA与ARM的智能合并单元;朱超等;《电网技术》;20110630;第35卷(第6期);全文 * |
| 朱超等.基于FPGA与ARM的智能合并单元.《电网技术》.2011,第35卷(第6期),全文. |
| 游雪峰等.以太网分布式数据采集同步和实时传输研究.《仪器仪表学报》.2006,第27卷(第4期),全文. |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102710357A (en) | 2012-10-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102055544B (en) | System and method for synchronously monitoring secondary equipment time of power supply system | |
| CN102710357B (en) | Smart power grid distribution type measurement and control synchronizing method | |
| CN103368257B (en) | A kind of method utilizing electric substation's measure and control device remote signalling measurement test system to test remote signalling storm | |
| CN106451763B (en) | A kind of intelligent substation station level bus network system without global synchronization system | |
| Hasan et al. | Phase offset analysis of asymmetric communications infrastructure in smart grid | |
| CN102315985B (en) | Time synchronization precision test method for intelligent device adopting IEEE1588 protocols | |
| RU112441U1 (en) | ELECTRIC ENERGY QUALITY MONITORING SYSTEM BASED ON SYNCHRONOUS MEASUREMENTS OF ELECTRIC ENERGY QUALITY INDICATORS | |
| CN103703654A (en) | Merging unit and method of operating a merging unit | |
| CN202694021U (en) | Substation time synchronizing system | |
| CN104217127A (en) | PMU dynamic data simulation generation method | |
| CN103178987A (en) | Digital transformer substation distribution testing method based on ZigBee wireless technology | |
| CN106712880B (en) | A kind of communication management system | |
| CN111061147A (en) | Wireless network-based regional intelligent substation time service system and method | |
| CN106771599B (en) | The test device of intelligent substation synchronous phasor measuring device | |
| CN105471540A (en) | Beidou GPS clock synchronization system based on wind power converter | |
| Huang et al. | Accurate power quality monitoring in microgrids | |
| CN103576014B (en) | The clock monitor device of transformer station and monitoring method | |
| CN117135662A (en) | Fault detection method and device for equipment and storage medium | |
| CN104734338A (en) | Clock monitoring method, device and system of transformer substations | |
| CN109031938A (en) | A kind of satellite time transfer clock system for examination hall | |
| CN105471572B (en) | A kind of time synchronized measurement method based on GOOSE message | |
| CN103051487B (en) | Electrically-based industry network measure and the method for testing of control system clock synchronization protocol | |
| CN112202520A (en) | Longitudinal differential protection testing device based on 5G network time synchronization and application method thereof | |
| CN106788839A (en) | A kind of digital transformer substation time synchronized performance detection method and its device | |
| CN110224882A (en) | A kind of energy-accumulating power station remote control time delay measuring method and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhao Jianyang Inventor after: Ding Weihong Inventor after: Li Haining Inventor before: Zhao Jianyang Inventor before: Ding Weihong Inventor before: Li Haining Inventor before: Chen Xiaogang Inventor before: Wu Hongtao |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: ZHAO JIANYANG DING WEIHONG LI HAINING CHEN XIAOGANG WU HONGTAO TO: ZHAO JIANYANG DING WEIHONG LI HAINING |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 223200 Jiangsu province Huaian Huaian District bamboo Lane Street Huaiyin Institute of Technology Xiao Hu Campus Patentee after: Huaijin Polytechnical College Address before: 223001 Beijing North Road, Qinghe District, Huaian, Jiangsu, 89 Patentee before: Huaijin Polytechnical College |
|
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 223400 8th floor, Anton building, 10 Haian Road, Lianshui County, Jiangsu. Patentee after: Huaijin Polytechnical College Address before: 223200 Jiangsu province Huaian Huaian District bamboo Lane Street Huaiyin Institute of Technology Xiao Hu Campus Patentee before: Huaijin Polytechnical College |