CN107579806A - A kind of data storage and Transmission system for PMU - Google Patents
A kind of data storage and Transmission system for PMU Download PDFInfo
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- CN107579806A CN107579806A CN201710965886.7A CN201710965886A CN107579806A CN 107579806 A CN107579806 A CN 107579806A CN 201710965886 A CN201710965886 A CN 201710965886A CN 107579806 A CN107579806 A CN 107579806A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 25
- 238000013500 data storage Methods 0.000 title claims abstract description 17
- 238000003860 storage Methods 0.000 claims abstract description 55
- 230000015654 memory Effects 0.000 claims description 10
- 230000001360 synchronised effect Effects 0.000 claims description 9
- 238000012546 transfer Methods 0.000 description 5
- 230000014759 maintenance of location Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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Abstract
The application provides a kind of data storage and Transmission system for PMU, including scheduling station, at least one PMU substations data concentrator；Each PMU substations data concentrator is provided with least one corresponding PMU substations；The scheduling station is provided with storage and wireless receiving module；Each PMU substations data concentrator is provided with storage and radio receiving transmitting module；Each PMU substations are provided with storage and wireless sending module.Using the storage on each PMU substations and radio receiving transmitting module, the data that PMU substations obtain are transferred data into device scheduling station by storage and radio receiving transmitting module, and the data not uploaded in time can be stored；It is slow to prevent that data packetloss, missing and transmission speed from occurring in PMU substations, cause scheduling station can not obtain important real time data, and MU substations store over the data of more than two weeks will be by new data cover, and scheduling station can not be transferred before the data renewal of PMU substations and cause loss of data to the data.
Description
Technical field
The application is related to technical field of power systems, more particularly to a kind of data storage and Transmission system for PMU.
Background technology
Electric power system dispatching main website is deployed in dispatching of power netwoks control centre, is obtained and is deployed in respectively by power dispatch data network
The real time data of the PMU in individual transformer station or power plant (synchronous phasor measurement unit) substation collection is normal to power network so as to provide
Operation calculates with the real time monitoring and analyzing in the case of accident disturbance, it is ensured that management and running personnel can in time obtain and grasp power network
The dynamic process of operation.
But transfer and handle in scheduling station in PMU data and still suffer from problems with, be mainly reflected in 220kV outlets compared with
More transformer stations, when called data amount is big, PMU substations occur that data packetloss, missing and transmission speed are slow, cause scheduling to be led
Important real time data can not be obtained by standing, even if the data that scheduling station transfers PMU substations again still have above mentioned problem；And
And because the storage area of more than pilot project and PMU substations itself is limited, PMU substations are caused to store over more than two weeks
Data will be by new data cover, and scheduling station can not be transferred before the data renewal of PMU substations to the data
And cause loss of data.
The content of the invention
This application provides a kind of data storage and Transmission system for PMU, to solve when called data amount is big,
PMU substations occur that data packetloss, missing and transmission speed are slow, cause scheduling station can not obtain important real time data, i.e.,
Above mentioned problem still be present in the data for making scheduling station transfer PMU substations again；And due to more than pilot project and PMU substations
The storage area of itself is limited, cause data that PMU substations store over more than two weeks will by new data cover, and
Scheduling station can not be before the data renewal of PMU substations, the problem of transferred to the data and cause loss of data.
The application provides a kind of data storage and Transmission system for PMU, including scheduling station, at least one PMU
Stand data concentrator；
Each PMU substations data concentrator is provided with least one corresponding PMU substations；
The scheduling station is provided with storage and wireless receiving module；
Each PMU substations data concentrator is provided with storage and radio receiving transmitting module；
Each PMU substations are provided with storage and wireless sending module.
Further, each PMU substations include acquisition component, low pass filter, A/D converter, frequency tracker,
Microprocessor, synchronous generator, gps receiver, memory and data transmitter；
The acquisition component is connected by low pass filter with the A/D converter；
The A/D converter is connected with the microprocessor；
The low pass filter is connected by frequency tracker with the microprocessor；
The GPS receiver module is connected by synchronous generator with the A/D converter；
The GPS receiver module is also connected with the microprocessor；
The microprocessor is connected with the memory and data transmitter respectively；
The storage and wireless sending module are connected with the memory and data transmitter respectively.
Further, the storage and radio receiving transmitting module are storage and WiFi radio receiving transmitting modules, the storage and nothing
Line receiving module is storage and WiFi wireless reception modules, and the storage and wireless sending module are storage and WiFi wireless transmissions
Module.
Further, the acquisition component includes current transformer and voltage transformer.
Further, the microprocessor is arm processor.
Further, the data transmitter is 4G wireless data transmitters.
From above technical scheme, the application provides a kind of data storage and Transmission system for PMU, using each
Storage and radio receiving transmitting module on PMU substations, by the data that PMU substations obtain by storage and radio receiving transmitting module by data
Device scheduling station is sent to, and the data not uploaded in time can be stored；Prevent PMU substations occur data packetloss,
Missing and transmission speed are slow, cause scheduling station can not obtain important real time data, and MU substations store over two weeks
Data above will be by new data cover, and scheduling station can not enter before the data renewal of PMU substations to the data
Row is transferred and causes loss of data.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the application, letter will be made to the required accompanying drawing used in embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without having to pay creative labor,
Other accompanying drawings can also be obtained according to these accompanying drawings.
It is a kind of for PMU data storage and the structural representation of Transmission system that Fig. 1 is that the application provides；
Fig. 2 is the structural representation of a PMU substation.
Wherein, 1- scheduling stations, 2- storages and wireless receiving module, 3-PMU substations data concentrator, 4- storages and wireless
Transceiver module, 5-PMU substations, 51- current transformers, 52- voltage transformers, 53- synchronous generators, 54- LPFs
Device, 55-GPS receivers, 56- frequency trackers, 57-A/D converters, 58- microprocessors, 59- memories, 510- data are sent
Device, 6- storages and wireless sending module.
Embodiment
Referring to Fig. 1, the application provides a kind of data storage and Transmission system for PMU, including scheduling station 1, at least
One PMU substations data concentrator 3；
Each PMU substations data concentrator 3 is provided with least one corresponding PMU substations 5；
The scheduling station 1 is provided with storage and wireless receiving module 2；
Each PMU substations data concentrator 3 is provided with storage and radio receiving transmitting module 4；
Each PMU substations 5 are provided with storage and wireless sending module 6.
The operation principle of the application is：Scheduling station 1 is transferred when need to transfer the data on PMU substations 5, and PMU substations 5 pass through
The data transmitter carried transfers data to the data collector that PMU substations data concentrator 3 carries, then by PMU substations number
The data are sent to scheduling station 1 according to the data collector that concentrator 3 carries.Occur in the called data of scheduling station 1 abnormal
When, i.e., scheduling station 1 can not get the data of PMU substations 5, and data packing compression is transferred to storage and nothing by PMU substations 5
Line sending module 6, the priority of data is then judged, if the priority of data is higher, via storage and wireless transmission mould
Block 6 is sent to storage and the radio receiving transmitting module 4 of PMU substations data concentrator 3, then is sent by storage and radio receiving transmitting module 4
To the storage and wireless receiving module 2 for transferring main website；If the priority of data is relatively low, when data link is normal, again
Send the data.
Wherein storage and wireless sending module 6, storage and radio receiving transmitting module 4 and storage and wireless receiving module 2 are deposited
Storage capacity is 8T.
From above technical scheme, the application provides a kind of data storage and Transmission system for PMU, using each
Storage and radio receiving transmitting module 4 on PMU substations 5, will by storage and radio receiving transmitting module 4 by the data that PMU substations 5 obtain
Data are sent to scheduling station 1, and can be stored the data not uploaded in time；Prevent PMU substations 5 from occurring that data are lost
Bag, missing and transmission speed are slow, cause scheduling station 1 can not obtain important real time data, and MU substations are stored over
The data of more than two weeks will be by new data cover, and scheduling station 1 can not be before the data renewal of PMU substations 5, to this
Data are transferred and cause loss of data.
Further, acquisition component, low pass filter 54, A/D converter are included referring to Fig. 2, each PMU substations 5
57th, frequency tracker 56, microprocessor 58, synchronous generator 53, gps receiver 55, memory 59 and data transmitter
510；
The acquisition component is connected by low pass filter 54 with the A/D converter 57；
The A/D converter 57 is connected with the microprocessor 58；
The low pass filter 54 is connected by frequency tracker 56 with the microprocessor；
The GPS receiver module is connected by synchronous generator 53 with the A/D converter 57；
The GPS receiver module is also connected with the microprocessor 58；
The microprocessor 58 is connected with the memory 59 and data transmitter 510 respectively；
The storage and wireless sending module 6 are connected with the memory 59 and data transmitter 510 respectively.
The voltage and current signal in transformer station or power plant is gathered by acquisition component, voltage and voltage signal are via low pass
Voltage and current signal is filtered by wave filter 54, is then sent to micro- place via A/D converter 57 and frequency tracker 56
Reason device 58 is handled, and calculates voltage and current phasor value and corresponding power, exports phasor data.
GPS receiver module receives pulse per second (PPS) and the universal time that satellite is sent, and by signal wire that pulse per second (PPS) is defeated
Microprocessor 58 is sent to, phasor data is stamped into markers, so all sampled signals of PMU substations 5 are all synchronous by pulse per second (PPS),
Exactly the device of different location is all synchronized sampling.
Further, the storage and radio receiving transmitting module 4 are storage and WiFi radio receiving transmitting modules, the storage and nothing
Line receiving module 2 is storage and WiFi wireless reception modules, and the storage and wireless sending module 6 are wirelessly sent out for storage and WiFi
Send module.
Further, the acquisition component includes current transformer 51 and voltage transformer 52.
Further, the microprocessor 58 is arm processor.
Further, the data transmitter 510 is 4G wireless data transmitters.
From above technical scheme, the application provides a kind of data storage and Transmission system for PMU, using each
Storage and radio receiving transmitting module 4 on PMU substations 5, will by storage and radio receiving transmitting module 4 by the data that PMU substations 5 obtain
Data are sent to affiliated scheduling station 1, and can be stored the data not uploaded in time；Prevent PMU substations 5 from occurring
Data packetloss, missing and transmission speed are slow, cause scheduling station 1 can not obtain important real time data, and MU substations are deposited
The data stored up more than more than two weeks will be by new data cover, and scheduling station 1 can not update in the data of PMU substations 5
Before, the data are transferred and cause loss of data.
Claims (6)
1. a kind of data storage and Transmission system for PMU, it is characterised in that including scheduling station (1), at least one PMU
Substation data concentrator (3)；
Each PMU substations data concentrator (3) is provided with least one corresponding PMU substations (5)；
The scheduling station (1) is provided with storage and wireless receiving module (2)；
Each PMU substations data concentrator (3) is provided with storage and radio receiving transmitting module (4)；
Each PMU substations (5) are provided with storage and wireless sending module (6).
2. it is used for PMU data storage and Transmission system as claimed in claim 1, it is characterised in that each PMU substations
(5) acquisition component, low pass filter (54), A/D converter (57), frequency tracker (56), microprocessor (58), synchronization are included
Signal generator (53), gps receiver (55), memory (59) and data transmitter (510)；
The acquisition component is connected by low pass filter (54) with the A/D converter (57)；
The A/D converter (57) is connected with the microprocessor (58)；
The low pass filter (54) is connected by frequency tracker (56) with the microprocessor；
The GPS receiver module is connected by synchronous generator (53) with the A/D converter (57)；
The GPS receiver module is also connected with the microprocessor (58)；
The microprocessor (58) is connected with the memory (59) and data transmitter (510) respectively；
The storage and wireless sending module (6) are connected with the memory (59) and data transmitter (510) respectively.
3. it is used for PMU data storage and Transmission system as claimed in claim 1, it is characterised in that the storage and wireless
Transceiver module (4) is storage and WiFi radio receiving transmitting modules, and the storage and wireless receiving module (2) are wireless for storage and WiFi
Receiving module, the storage and wireless sending module (6) are storage and WiFi wireless sending modules.
4. it is used for PMU data storage and Transmission system as claimed in claim 1, it is characterised in that the acquisition component bag
Include current transformer (51) and voltage transformer (52).
5. it is used for PMU data storage and Transmission system as claimed in claim 1, it is characterised in that the microprocessor
(58) it is arm processor.
6. it is used for PMU data storage and Transmission system as claimed in claim 1, it is characterised in that the data transmitter
(510) it is 4G wireless data transmitters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710965886.7A CN107579806B (en) | 2017-10-17 | 2017-10-17 | Data storage and transmission system for PMU |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710965886.7A CN107579806B (en) | 2017-10-17 | 2017-10-17 | Data storage and transmission system for PMU |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107579806A true CN107579806A (en) | 2018-01-12 |
| CN107579806B CN107579806B (en) | 2023-11-17 |
Family
ID=61037234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710965886.7A Active CN107579806B (en) | 2017-10-17 | 2017-10-17 | Data storage and transmission system for PMU |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110728834A (en) * | 2019-08-27 | 2020-01-24 | 国网辽宁省电力有限公司 | WAMS measurement data compression transmission method based on Beidou short message |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060247874A1 (en) * | 2005-04-29 | 2006-11-02 | Premerlani William J | System and method for synchronized phasor measurement |
| CN101458286A (en) * | 2008-12-30 | 2009-06-17 | 国家电网公司 | Phasor measuring set based on in situ spectroscopic analysis and applied wide domain measuring system |
| CN102801211A (en) * | 2012-06-13 | 2012-11-28 | 南京南瑞继保电气有限公司 | Data concentrator with blade-type framework |
| CN104217127A (en) * | 2014-09-18 | 2014-12-17 | 北京四方继保自动化股份有限公司 | PMU (Power Management Unit) dynamic data simulation generating method |
| CN105006191A (en) * | 2014-12-10 | 2015-10-28 | 国家电网公司 | Method and system for training simulation based on PMU device and WAMS main station |
-
2017
- 2017-10-17 CN CN201710965886.7A patent/CN107579806B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060247874A1 (en) * | 2005-04-29 | 2006-11-02 | Premerlani William J | System and method for synchronized phasor measurement |
| CN101458286A (en) * | 2008-12-30 | 2009-06-17 | 国家电网公司 | Phasor measuring set based on in situ spectroscopic analysis and applied wide domain measuring system |
| CN102801211A (en) * | 2012-06-13 | 2012-11-28 | 南京南瑞继保电气有限公司 | Data concentrator with blade-type framework |
| CN104217127A (en) * | 2014-09-18 | 2014-12-17 | 北京四方继保自动化股份有限公司 | PMU (Power Management Unit) dynamic data simulation generating method |
| CN105006191A (en) * | 2014-12-10 | 2015-10-28 | 国家电网公司 | Method and system for training simulation based on PMU device and WAMS main station |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110728834A (en) * | 2019-08-27 | 2020-01-24 | 国网辽宁省电力有限公司 | WAMS measurement data compression transmission method based on Beidou short message |
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| Publication number | Publication date |
|---|---|
| CN107579806B (en) | 2023-11-17 |
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