CN104483591A - Power transmission line traveling wave fault location monitoring device - Google Patents
Power transmission line traveling wave fault location monitoring device Download PDFInfo
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- CN104483591A CN104483591A CN201410557625.8A CN201410557625A CN104483591A CN 104483591 A CN104483591 A CN 104483591A CN 201410557625 A CN201410557625 A CN 201410557625A CN 104483591 A CN104483591 A CN 104483591A
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- electric field
- machine room
- field sensor
- monitoring device
- transformer station
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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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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention relates to a power transmission line traveling wave fault location monitoring device. The structure of the monitoring device is characterized in that between the adjacent two substations, an industrial control computer case of each substation machine room is internally provided with an optical transceiver, an industrial control computer, a laser, a photoelectric signal conditioner, a power source and a fiber electric field sensor; an acquisition card is arranged to a bus slot of the industrial control computer; the power source supplies power for all active devices; the optical transceiver is connected with one end of one core optical fiber in an OPGW cable; a network interface is connected with an internet access port of the industrial control computer to realize two-machine communication and precise clock synchronization; the fiber electric field sensor is arranged to the phase line outgoing port of each substation, the input end is connected with the laser in each substation machine room respectively through the cable, and the output end is connected with the photoelectric signal conditioner in each substation machine room through the cable; the output signal of the photoelectric signal conditioner is connected with the acquisition card in each substation machine room; and the adjacent two substations are connected through the OPGW cable. The monitoring device has the advantages of reliability and high positioning precision.
Description
Technical field
What the present invention relates to is a kind of monitoring device, particularly a kind of monitoring device of transmission line travelling wave localization of fault.
Background technology
At present due to socioeconomic develop rapidly, country rises day by day to the demand of electric power, facilitates developing rapidly of power industry.Country also proposes new requirement to the reliability of powering and quality while constantly rising to the dependence of power industry.Along with the scale of electrical network constantly expands, the structure of electrical network is also constantly complicated, and transmission voltage grade also improves constantly, and the probability that transmission line of electricity breaks down also can increase.If fault can not be got rid of timely will cause huge loss to national economy, also can bring great inconvenience to the life of the people simultaneously.
Transmission line malfunction can be divided into permanent fault and transient fault.Transient fault can automatically disappear after protective relaying device is cut off the electricity supply, and circuit can be restored electricity by reclosing.The insulation harm that this kind of fault causes does not have obvious vestige, brings very large inconvenience therefore to searching of trouble spot yet.Although transient fault can not affect power supply, but often occur in the weakest link of system, therefore should find out trouble spot as early as possible and be processed, in order to avoid the lasting generation of fault, the stability of powering can be guaranteed.Permanent fault cannot disappear automatically, needs manually to get rid of, and finding out position of failure point is as early as possible the prerequisite getting rid of permanent fault.The length of time of fixing a breakdown directly determines the size by the loss brought that has a power failure, and this is that the rapidity of looking up the fault point and accuracy propose requirement.Fix a breakdown and first will find trouble spot, but the most distance of transmission line of electricity, institute is trans-regional with a varied topography, especially in mountain area, hilly country is the area occurred frequently that fault occurs.This brings great inconvenience just to traditional artificial line walking mode.Transmission line malfunction directly has influence on the reliability of system cloud gray model, the loss that the timely eliminating of fault is conducive to reducing to bring by having a power failure, has great Social and economic benef@.
At present, transmission line travelling wave localization of fault monitoring method on a circuit, installs some cover Travelling Wave Fault Location monitoring devices utilize solar powered, adopt voltage or current transformer, high speed acquisition phase line high-frequency current signal or high-frequency voltage signal also determine whether fault traveling wave, if fault traveling wave, then record current GPS synchronous clock time and fault wave related data, and be sent to server end by GPRS or 3G, calculate transmission line malfunction by algorithm and position occurs.This mode equipment performance easily limits by solar powered mode, equipment exists that operation stability is poor in the wild in rugged surroundings, signal of communication and gps signal quality rely on respective operator and weather, safeguards the problems such as inconvenience.
Summary of the invention
There is above-mentioned problem and deficiency to overcome prior art in object of the present invention, provide a kind of reliably, the monitoring device of the transmission line travelling wave localization of fault of high position precision, adopt optical sensing, accurate fault location when breaking down for transmission line of electricity.
Technical scheme of the present invention is:
A kind of monitoring device of transmission line travelling wave localization of fault, comprise electric field sensor of optic fibre, laser instrument, photosignal conditioner, capture card, power supply, optical transceiver and industrial computer, it is characterized in that: between adjacent two transformer stations, install an optical transceiver, industrial computer, laser instrument, photosignal conditioner, power supply, electric field sensor of optic fibre in the industry control cabinet of each transformer station machine room, capture card is contained on the bus slot of industrial computer; Power supply is that all active devices are powered; Optical transceiver connects the single optical fibre one end in OPGW optical cable, and network interface connects the network interface of industrial computer, realizes two machine communication and Precision Clock Synchronization; Electric field sensor of optic fibre is arranged on respective transformer station each phase line outlet port, input end connects the laser instrument in respective transformer station machine room by optical cable, output terminal connects the photosignal conditioner in respective transformer station machine room by optical cable, and photosignal conditioner outputs signal the capture card connect in respective transformer station machine room; Adjacent Liang Ge transformer station is connected by OPGW optical cable.
Described electric field sensor of optic fibre is the electric field sensor of optic fibre of bismuth-germanium-oxide crystal BGO.Bismuth-germanium-oxide crystal BGO electric field sensor of optic fibre is arranged on two transformer station's each phase line outlet ports, for detecting the high-frequency electric field change in each phase line.
The network interface of two described industrial computers is connected with OPGW optical cable by respective optical transceiver, realizes two machine communication and exact time synchronization.
Described industrial computer controls capture card Real-time Collection transmission line malfunction travelling wave data.
The present invention collects the capable ripple high frequency waveforms of transmission line malfunction and location failure point of power transmission line.
Structure of the present invention is simple, transmission line travelling wave fault positioning monitoring device is arranged on the two ends transformer station machine room of transmission line of electricity, the industrial computer Real-time Collection fault traveling wave data of two ends transformer station, two industrial computer bidirectional opticals also realize two-shipper Precision Clock Synchronization, when transmission line of electricity breaks down, industrial computer meeting real time record fault traveling wave high frequency waveforms and generation precise time, and calculate thunderbolt position, and alarm.Outdoor parts of the present invention all adopts passive device, thoroughly can solve traditional monitoring device and has that operation stability is poor in the wild in rugged surroundings, signal of communication and gps signal rely on respective operator, safeguard the problems such as inconvenience.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is connection diagram of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further described.
As shown in Figure 1, 2, the present invention includes industry control cabinet 1, photosignal conditioner 2, laser instrument 3, capture card 4, power supply 6, industrial computer 5, optical transceiver 7, electric field sensor of optic fibre 8, between adjacent two transformer stations, in the industry control cabinet 1 of each transformer station machine room, an optical transceiver 7, industrial computer 5, laser instrument 3, photosignal conditioner 2, power supply 6, electric field sensor of optic fibre 8 are installed; Optical transceiver 7 is contained in respective transformer station machine room cabinet, connects the single optical fibre one end in OPGW optical cable 10, and network interface connects the network interface of the industrial computer in respective transformer station machine room, realizes two machine communication and Precision Clock Synchronization; Electric field sensor of optic fibre 8 is arranged on respective transformer station each phase line outlet port, there is high frequency response range, for detecting the high-frequency electric field change in each phase line, input end connects the laser instrument 3 in respective transformer station machine room by optical cable, and output terminal connects the photosignal conditioner 2 in respective transformer station machine room by optical cable; Capture card 4 is arranged on the bus slot of industrial computer 5; Power supply 6 is powered for all active devices; Adjacent Liang Ge transformer station (A, B) is connected by OPGW optical cable 10.
Corresponding device of the present invention is existing structure.Industrial computer utilizes real time record fault traveling wave high frequency waveforms and precise time occurs and uses existing conventional program to calculate thunderbolt position.
Described industrial computer 5 controls capture card 4 and gathers transmission line of electricity phase line fault traveling wave data.Described electric field sensor of optic fibre 8 is the electric field sensor of optic fibre of bismuth-germanium-oxide crystal BGO.Bismuth-germanium-oxide crystal BGO electric field sensor of optic fibre is arranged on two transformer station's each phase line outlet ports, for detecting the high-frequency electric field change in each phase line.
Device of the present invention is arranged on two transformer station's machine rooms, high-frequency electric field delta data in each phase line of monitoring device industrial computer Real-time Collection of transmission line travelling wave localization of fault, and differentiate whether be fault traveling wave according to the data gathered and algorithm model, as being fault traveling wave, according to exact position, location algorithm computing electric power line trouble spot and audible alarm prompting transmission line of electricity somewhere break down.
In fig. 2, OPGW optical cable Fiber connection terminal device that device uses is as communication and Precision Clock Synchronization, and terminal device connects the electric field sensor of optic fibre of each phase line line outlet of transformer station.
Claims (2)
1. the monitoring device of a transmission line travelling wave localization of fault, comprise electric field sensor of optic fibre, laser instrument, photosignal conditioner, capture card, power supply, optical transceiver and industrial computer, it is characterized in that: between adjacent two transformer stations, install an optical transceiver, industrial computer, laser instrument, photosignal conditioner, power supply, electric field sensor of optic fibre in the industry control cabinet of each transformer station machine room, capture card is contained on the bus slot of industrial computer; Power supply is that all active devices are powered; Optical transceiver connects the single optical fibre one end in OPGW optical cable, and network interface connects the network interface of industrial computer, realizes two machine communication and Precision Clock Synchronization; Electric field sensor of optic fibre is arranged on respective transformer station each phase line outlet port, input end connects the laser instrument in respective transformer station machine room by optical cable, output terminal connects the photosignal conditioner in respective transformer station machine room by optical cable, and photosignal conditioner outputs signal the capture card connect in respective transformer station machine room; Adjacent Liang Ge transformer station is connected by OPGW optical cable.
2. the monitoring device of transmission line travelling wave localization of fault according to claim 1, is characterized in that: described electric field sensor of optic fibre is the electric field sensor of optic fibre of bismuth-germanium-oxide crystal BGO.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410557625.8A CN104483591A (en) | 2014-10-20 | 2014-10-20 | Power transmission line traveling wave fault location monitoring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410557625.8A CN104483591A (en) | 2014-10-20 | 2014-10-20 | Power transmission line traveling wave fault location monitoring device |
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| CN104483591A true CN104483591A (en) | 2015-04-01 |
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| CN201410557625.8A Pending CN104483591A (en) | 2014-10-20 | 2014-10-20 | Power transmission line traveling wave fault location monitoring device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105425107A (en) * | 2015-11-13 | 2016-03-23 | 国网山东省电力公司电力科学研究院 | Method and system for active power distribution network fault diagnosis and location |
| CN108845566A (en) * | 2018-09-06 | 2018-11-20 | 易思维（杭州）科技有限公司 | The trouble hunting method of industry control machine control system |
| CN109738765A (en) * | 2019-03-13 | 2019-05-10 | 清华四川能源互联网研究院 | A kind of non-intrusion type transmission open acess system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10177055A (en) * | 1996-12-17 | 1998-06-30 | Chubu Electric Power Co Inc | Accident-detected position location system for overhead power transmission line |
| US6285182B1 (en) * | 1998-12-08 | 2001-09-04 | Nxtphase Technologies Srl | Electro-optic voltage sensor |
| CN200993675Y (en) * | 2006-12-19 | 2007-12-19 | 中国科学院上海光学精密机械研究所 | Real-time lightning stroke positioning system based on optical fiber composite overhead ground wire |
| CN101106271A (en) * | 2007-08-03 | 2008-01-16 | 西安交通大学 | Integrated failure positioning protection system for transfer line |
| CN102798804A (en) * | 2012-08-20 | 2012-11-28 | 广州供电局有限公司 | High-voltage power cable fault on-line positioning device |
| CN203405513U (en) * | 2013-08-21 | 2014-01-22 | 中国南方电网有限责任公司超高压输电公司广州局 | Power transmission line insulator detection device based on fiber electric field sensor |
| CN103837797A (en) * | 2014-03-12 | 2014-06-04 | 国家电网公司 | Lightning stroke distinguishing and locating method for optical fiber composite overhead ground wires |
-
2014
- 2014-10-20 CN CN201410557625.8A patent/CN104483591A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10177055A (en) * | 1996-12-17 | 1998-06-30 | Chubu Electric Power Co Inc | Accident-detected position location system for overhead power transmission line |
| US6285182B1 (en) * | 1998-12-08 | 2001-09-04 | Nxtphase Technologies Srl | Electro-optic voltage sensor |
| CN200993675Y (en) * | 2006-12-19 | 2007-12-19 | 中国科学院上海光学精密机械研究所 | Real-time lightning stroke positioning system based on optical fiber composite overhead ground wire |
| CN101106271A (en) * | 2007-08-03 | 2008-01-16 | 西安交通大学 | Integrated failure positioning protection system for transfer line |
| CN102798804A (en) * | 2012-08-20 | 2012-11-28 | 广州供电局有限公司 | High-voltage power cable fault on-line positioning device |
| CN203405513U (en) * | 2013-08-21 | 2014-01-22 | 中国南方电网有限责任公司超高压输电公司广州局 | Power transmission line insulator detection device based on fiber electric field sensor |
| CN103837797A (en) * | 2014-03-12 | 2014-06-04 | 国家电网公司 | Lightning stroke distinguishing and locating method for optical fiber composite overhead ground wires |
Non-Patent Citations (1)
| Title |
|---|
| 闫永志，王德和，高希才，张永明，杨晓春，王昕: "《利用锗酸铋电光效应的光纤电压电场传感器》", 《压电与声光》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105425107A (en) * | 2015-11-13 | 2016-03-23 | 国网山东省电力公司电力科学研究院 | Method and system for active power distribution network fault diagnosis and location |
| CN105425107B (en) * | 2015-11-13 | 2018-09-28 | 国网山东省电力公司电力科学研究院 | A kind of method and its system of active power distribution network fault diagnosis and location |
| CN108845566A (en) * | 2018-09-06 | 2018-11-20 | 易思维（杭州）科技有限公司 | The trouble hunting method of industry control machine control system |
| CN108845566B (en) * | 2018-09-06 | 2019-07-05 | 易思维（杭州）科技有限公司 | The trouble hunting method of industry control machine control system |
| CN109738765A (en) * | 2019-03-13 | 2019-05-10 | 清华四川能源互联网研究院 | A kind of non-intrusion type transmission open acess system |
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