CN207780160U - Power transmission line comprehensive on-Line Monitor Device - Google Patents
Power transmission line comprehensive on-Line Monitor Device Download PDFInfo
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- CN207780160U CN207780160U CN201820251719.6U CN201820251719U CN207780160U CN 207780160 U CN207780160 U CN 207780160U CN 201820251719 U CN201820251719 U CN 201820251719U CN 207780160 U CN207780160 U CN 207780160U
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- speed data
- data acquisition
- personal computer
- industrial personal
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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- Locating Faults (AREA)
Abstract
The utility model discloses a kind of power transmission line comprehensive on-Line Monitor Devices, including high-speed data acquisition front end, industrial personal computer, data transmission device, high-speed data acquisition front end is at least two, and on the line in distributed setting, it is realized by multiple mutual inductors and is attached with circuit in high-speed data acquisition front end, and current signal is converted to by voltage signal by precision resistance, then by by filter circuit, the data transmission device that amplifying circuit and pressure limiting circuit are constituted inputs high-speed data acquisition card, high-speed data acquisition card is at least two, it is connect with industrial personal computer by pci bus between and, industrial personal computer is connect with breaker, industrial personal computer is at least two, it is interconnected by wireless communication apparatus between and, and it is connect with warning device by wireless communication apparatus；The utility model installs high-speed data acquisition front end by distribution, and carry out deciding field to failure determines fault point using travelling wave positioning method, greatly shorten trouble shooting time on this basis, improves the accuracy and real-time of on-line monitoring.
Description
Technical field：
The utility model is related to a kind of power system monitoring fields, are monitored on-line more particularly to a kind of power transmission line comprehensive
Device.
Background technology：
With being growing for electric system scale, tie of the transmission line of electricity as energy transmission is the weight of national grid
Component part is wanted, since transmission line of electricity is distributed in vast geographic area, span is big, and running environment is severe, it is difficult to make an inspection tour and tie up
Shield, therefore transmission line of electricity ontology, surrounding enviroment and meteorologic parameter are monitored as a very important job.It is existing
On-line monitoring technique substantially by online circuit voltage monitoring, these technologies have that monitoring real-time is not high, and positioning is inaccurate
Situations such as true.
Utility model content：
Technical problem to be solved in the utility model is：It overcomes the deficiencies of the prior art and provide a kind of simple in structure, logical
It crosses and transmission line malfunction is positioned using deciding field and traveling wave positioning, greatly shorten the power transmission line of trouble shooting time
Road comprehensive on-line monitoring apparatus.
The technical solution of the utility model is：A kind of power transmission line comprehensive on-Line Monitor Device, including high-speed data acquisition
Front end, industrial personal computer, data transmission device, the high-speed data acquisition front end is at least two, and is set on the line in distribution
It sets, the high-speed data acquisition front end is realized by multiple mutual inductors and is attached with circuit, and is believed electric current by precision resistance
Number voltage signal is converted to, is then inputted by the data transmission device being made of filter circuit, amplifying circuit and pressure limiting circuit
High-speed data acquisition card, the high-speed data acquisition card be at least two, and between connect with industrial personal computer by pci bus, institute
Industrial personal computer is stated to connect with breaker, the industrial personal computer is at least two, and between interconnected by wireless communication apparatus, and lead to
Wireless communication apparatus is crossed to connect with warning device.The high-speed data acquisition front end is signal picker, the signal picker
The acquisition of signal is acquired for high-speed circulating.The breaker includes line-breaker and busbar breaker.
The utility model has the beneficial effects that：
1, the utility model installs high-speed data acquisition front end by distribution, deciding field is carried out to failure, in this base
On plinth, determines fault point using travelling wave positioning method, greatly shorten trouble shooting time, improve the accuracy of on-line monitoring
And real-time.
2, Tthe utility model system realizes that the overall process of fault-signal acquires by high-speed circulating acquisition technique, has quick
The functions such as automatic fault location position, fault distance, fault time, fault type.
3, the utility model only need to install fault detect dress using one-end fault positioning mode in every loop line road one end
It sets, does not need dual ended data communication and synchronous clock synchronization equipment, there is preferable economy, positioning real-time is stronger, is not communicated
The influence of equipment and opposite equip. reliability.
4, the utility model installs high-speed data acquisition front end by distribution, and the first step carries out deciding field to failure,
On this basis, further fault point is determined using travelling wave positioning method, reduce due to landform, arc sag, velocity of wave and other are dry
The error that signal is brought is disturbed, the precision of fault location is made to greatly improve.
Description of the drawings：
Fig. 1 is the overall construction drawing of the utility model.
Fig. 2 is accurately positioned principle schematic for the utility model.
Specific implementation mode：
Embodiment：Referring to Fig. 1 and Fig. 2.
Power transmission line comprehensive on-Line Monitor Device, including high-speed data acquisition front end, industrial personal computer, data transmission device are high
Fast data acquisition front is at least two, and is in distributed setting on the line, and high-speed data acquisition front end is by multiple mutual inductors
Realization is attached with circuit, and current signal is converted to voltage signal by precision resistance, then by by filter circuit,
The data transmission device that amplifying circuit and pressure limiting circuit are constituted inputs high-speed data acquisition card, and high-speed data acquisition card is at least two
It is a, and between connect with industrial personal computer by pci bus, industrial personal computer is connect with breaker, industrial personal computer at least two, and between lead to
It crosses wireless communication apparatus to be interconnected, and is connect with warning device by wireless communication apparatus.High-speed data acquisition front end is letter
Number collector, signal picker are that high-speed circulating acquires to the acquisition of signal.Breaker includes line-breaker and busbar open circuit
Device.
Embodiment 1：As shown in Figure 1, by high-speed data acquisition front end and fault locator, fault locator includes height
Speed acquisition front end circuit, high-speed data acquisition card and industrial personal computer.The present embodiment is by installing Current Mutual Inductance on each loop line road
Device（CT）, current signal is converted to by voltage signal by precision resistance without distortions, then passes through high speed acquisition front end circuit
（Including filtering, amplification and pressure limiting circuit）Input high-speed collection card.Polylith high-speed collection card is connected by pci bus and industrial personal computer
It connects.After High Speed Data Acquisition Circuit captures Temporal Data, industrial personal computer reads the fault data recorded, by industrial personal computer into
One step analyzing processing with realize high-precision fault location, output alarm etc. functions.
The present embodiment only need to install failure detector, no using one-end fault positioning mode in every loop line road one end
Need dual ended data communicate and synchronous clock synchronization equipment, have preferable economy, positioning real-time it is stronger, not by communication equipment with
The influence of opposite equip. reliability.A set of fault locator can monitor the n loop lines road on busbar M, each loop line road CT- simultaneously
Analog input of the secondary current signal of line1 ~ Ctlinen as fault locator, and monitored line-breaker
On-off signal with busbar circuit-breaker status signal and enabling signal as fault locator.Fault initiating signal generates single
First detection in real time is monitored whether circuit breaks down, and enabling signal is in low level when fault-free, is started if faulty occur
Signal switchs to high level by low level and generates trigger signal and On-off signal of the rising edge as high-speed collection card.Data
Analysis is realized by the upper level applications of industrial personal computer, by data analysis, judges that the gathered data is caused by interference
Data upload, or caused by short trouble data upload；Again by the fault message failure judgement type of extraction, and area
Whether divide is monitored line fault；After determining faulty line, also to judge whether to be troubles inside the sample space, if being judged as event in area
Barrier then selects fault location information needed component and realizes high-precision fault location；The finally instruction of output fault-signal and alarm, and will
Output positioning result counts in database, so that fault history is inquired.
Embodiment 2：The present embodiment is on the basis of embodiment 1, in order to ensure that traveling wave method has higher positioning accuracy simultaneously
" dead zone " for reducing close-in fault, uses the high-speed data acquistion system based on pci bus；In 1 deciding field of embodiment
On the basis of, further fault point is determined using travelling wave positioning method, reduce due to landform, arc sag, velocity of wave and other interference letters
Number error brought, makes the precision of fault location greatly improve.It is adopted as shown in Fig. 2, installing high-speed data respectively in i, j, m, n point
Collect front end, according to the opposite polarity feature of lightning wave polarity or power frequency fault current, can accurate judgement fault point in jth, m bases
Occur between shaft tower；Jth is reached according further to lightning wave or arcing fault traveling wave forward position, m base shaft towers monitor the time difference pair of terminal
Lightning stroke and non-lightning failure point are positioned.It, can when the position of high-speed data acquisition front end installation is little in view of traveling wave decaying
The anti-interference ability and accuracy of the present embodiment are improved by the way that higher threshold value is arranged.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation, it is made by the above technical examples according to the technical essence of the present invention it is any it is simple modification, equivalent variations with
Modification, is still within the scope of the technical solutions of the present invention.
Claims (3)
1. a kind of power transmission line comprehensive on-Line Monitor Device, including high-speed data acquisition front end, industrial personal computer, data transmission device,
It is characterized in that：The high-speed data acquisition front end is at least two, and is in distributed setting on the line, and the high-speed data is adopted
Collection front end is realized by multiple mutual inductors and is attached with circuit, and current signal is converted to voltage signal by precision resistance,
Then high-speed data acquisition card, institute are inputted by the data transmission device being made of filter circuit, amplifying circuit and pressure limiting circuit
State high-speed data acquisition card be at least two, and between connect with industrial personal computer by pci bus, the industrial personal computer and breaker company
Connect, the industrial personal computer be at least two, and between interconnected by wireless communication apparatus, and pass through wireless communication apparatus with report
Alarm device connects.
2. power transmission line comprehensive on-Line Monitor Device according to claim 1, it is characterized in that：Before the high-speed data acquisition
End is signal picker, and the signal picker acquires the acquisition of signal for high-speed circulating.
3. power transmission line comprehensive on-Line Monitor Device according to claim 1, it is characterized in that：The breaker includes circuit
Breaker and busbar breaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820251719.6U CN207780160U (en) | 2018-02-12 | 2018-02-12 | Power transmission line comprehensive on-Line Monitor Device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820251719.6U CN207780160U (en) | 2018-02-12 | 2018-02-12 | Power transmission line comprehensive on-Line Monitor Device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207780160U true CN207780160U (en) | 2018-08-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820251719.6U Active CN207780160U (en) | 2018-02-12 | 2018-02-12 | Power transmission line comprehensive on-Line Monitor Device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207780160U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110907755A (en) * | 2019-12-03 | 2020-03-24 | 广西电网有限责任公司电力科学研究院 | Power transmission line online monitoring fault recognition method |
-
2018
- 2018-02-12 CN CN201820251719.6U patent/CN207780160U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110907755A (en) * | 2019-12-03 | 2020-03-24 | 广西电网有限责任公司电力科学研究院 | Power transmission line online monitoring fault recognition method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Torch Park V (A-F) (5-7), high tech Zone, 1789 Xinfei Avenue, Xinxiang City, Henan Province, 453000 Patentee after: Zhongbao Electric Co.,Ltd. Address before: 453000 torch Park V (A-F) (5-7), high tech Zone, 1789 Xinfei Avenue, Weibin District, Xinxiang City, Henan Province Patentee before: XINXIANG STRONG POWER ELECTRIC Co.,Ltd. |
|
| CP03 | Change of name, title or address |