CN207283568U - 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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- CN207283568U CN207283568U CN201721331392.5U CN201721331392U CN207283568U CN 207283568 U CN207283568 U CN 207283568U CN 201721331392 U CN201721331392 U CN 201721331392U CN 207283568 U CN207283568 U CN 207283568U
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Abstract
The application provides a kind of data storage for PMU and Transmission system, including scheduling station, at least one PMU substations data concentrator；Each PMU substations data concentrator is equipped with least one corresponding PMU substations；The scheduling station is equipped with storage and wireless receiving module；Each PMU substations data concentrator is equipped with storage and radio receiving transmitting module；Each PMU substations are equipped 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 the data and cause loss of data before the data update of PMU substations.
Description
Technical field
This application involves 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 a substation or power plant (synchronous phasor measurement unit) substation collection, so as to provide normal to power grid
Operation is calculated 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 grid
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 substations, 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 remain the above problem；And
And since 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 the data before the data update of PMU substations
And cause loss of data.
Utility model content
This application provides a kind of data storage for PMU and Transmission system, 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.,
The data that scheduling station transfers PMU substations again are made to still remain the above problem；And due to more than pilot project and PMU
Stand itself storage area it is limited, cause data that PMU substations store over more than two weeks will by new data cover, and
And scheduling station can not be before the data update of PMU substations, the problem of transferred to the data and cause loss of data.
The application provides a kind of data storage for PMU and Transmission system, including scheduling station, at least one PMU
Stand data concentrator；
Each PMU substations data concentrator is equipped with least one corresponding PMU substations；
The scheduling station is equipped with storage and wireless receiving module；
Each PMU substations data concentrator is equipped with storage and radio receiving transmitting module；
Each PMU substations are equipped 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 is connected by synchronous generator with the A/D converter；
The gps receiver 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 for PMU and stores and Transmission system, 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
More than data will by new data cover, and scheduling station can not before the data update of PMU substations, to the data into
Row is transferred and causes loss of data.
Brief description of the drawings
In order to illustrate more clearly of the technical solution of the application, letter will be made to attached drawing needed in the embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without having to pay creative labor,
Other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is stored for a kind of data for PMU that the application provides and the structure diagram of Transmission system；
Fig. 2 is the structure diagram 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- low-pass filtering
Device, 55-GPS receivers, 56- frequency trackers, 57-A/D converters, 58- microprocessors, 59- memories, 510- data sendings
Device, 6- storages and wireless sending module.
Embodiment
Referring to Fig. 1, the application provides a kind of data for PMU and stores and Transmission system, including scheduling station 1, at least
One PMU substations data concentrator 3；
Each PMU substations data concentrator 3 is equipped with least one corresponding PMU substations 5；
The scheduling station 1 is equipped with storage and wireless receiving module 2；
Each PMU substations data concentrator 3 is equipped with storage and radio receiving transmitting module 4；
Each PMU substations 5 are equipped 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 are logical
Cross the data transmitter carried and transfer data to the data collector that PMU substations data concentrator 3 carries, then by PMU substations
The data are sent to scheduling station 1 by the data collector that data concentrator 3 carries.Occur in 1 called data of scheduling station different
Chang Shi, i.e. scheduling station 1 can not get the data of PMU substations 5, PMU substations 5 by data packing compression be transferred to storage and
Wireless sending module 6, then judges the priority of data, if the priority of data is higher, via storage and wireless transmission
Module 6 is sent to storage and the radio receiving transmitting module 4 of PMU substations data concentrator 3, then is sent out by storage and radio receiving transmitting module 4
Give the storage for transferring main website and wireless receiving module 2；If the priority of data is relatively low, when data link is normal, weight
Newly 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 for PMU and stores and Transmission system, 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 data occur
Packet loss, missing and transmission speed are slow, cause scheduling station 1 can not obtain important real time data, and MU substations store it is super
The data for spending more than two weeks will be by new data cover, and scheduling station 1 can not be right before the data update of PMU substations 5
The 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 58；
The gps receiver 55 is connected by synchronous generator 53 with the A/D converter 57；
The gps receiver 55 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 substation 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 55 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 5 sampled signals of PMU substations 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 wireless for storage and WiFi
Sending 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 for PMU and stores and Transmission system, 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 can go out
Existing data packetloss, missing and transmission speed are slow, cause scheduling station 1 can not obtain important real time data, and MU substations institute
Store over more than two weeks data will by new data cover, and scheduling station 1 can not PMU substations 5 data more
Before new, which is transferred and causes 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 equipped with least one corresponding PMU substations (5)；
The scheduling station (1) is equipped with storage and wireless receiving module (2)；
Each PMU substations data concentrator (3) is equipped with storage and radio receiving transmitting module (4)；
Each PMU substations (5) are equipped with storage and wireless sending module (6).
2. the data storage for PMU 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 (58)；
The gps receiver (55) is connected by synchronous generator (53) with the A/D converter (57)；
The gps receiver (55) 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. the data storage for PMU 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. the data storage for PMU and Transmission system as claimed in claim 2, it is characterised in that the acquisition component bag
Include current transformer (51) and voltage transformer (52).
5. the data storage for PMU and Transmission system as claimed in claim 2, it is characterised in that the microprocessor
(58) it is arm processor.
6. the data storage for PMU and Transmission system as claimed in claim 2, 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 |
|---|---|---|---|
| CN201721331392.5U CN207283568U (en) | 2017-10-17 | 2017-10-17 | A kind of data storage and Transmission system for PMU |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721331392.5U CN207283568U (en) | 2017-10-17 | 2017-10-17 | A kind of data storage and Transmission system for PMU |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207283568U true CN207283568U (en) | 2018-04-27 |
Family
ID=61980331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721331392.5U Active CN207283568U (en) | 2017-10-17 | 2017-10-17 | A kind of data storage and Transmission system for PMU |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114422408A (en) * | 2021-12-16 | 2022-04-29 | 深圳供电局有限公司 | Transformer substation monitoring method and device, computer equipment and storage medium |
-
2017
- 2017-10-17 CN CN201721331392.5U patent/CN207283568U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114422408A (en) * | 2021-12-16 | 2022-04-29 | 深圳供电局有限公司 | Transformer substation monitoring method and device, computer equipment and storage medium |
| CN114422408B (en) * | 2021-12-16 | 2023-12-22 | 深圳供电局有限公司 | Substation monitoring method, device, computer equipment and storage medium |
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