CN206670564U - A kind of distributed icing on-line monitoring system based on long range - Google Patents

A kind of distributed icing on-line monitoring system based on long range Download PDF

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Publication number
CN206670564U
CN206670564U CN201720239010.XU CN201720239010U CN206670564U CN 206670564 U CN206670564 U CN 206670564U CN 201720239010 U CN201720239010 U CN 201720239010U CN 206670564 U CN206670564 U CN 206670564U
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China
Prior art keywords
opgw
icing
line
long range
line monitoring
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CN201720239010.XU
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Chinese (zh)
Inventor
黄�良
吕黔苏
庄红军
魏延勋
卢金科
王琨
高正浩
王颖
陈勇宇
张强永
李克明
陈沛龙
陆岫昶
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Electric Power Research Institute of Guizhou Power Grid Co Ltd
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Electric Power Research Institute of Guizhou Power Grid Co Ltd
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Abstract

The utility model discloses a kind of distributed icing on-line monitoring system based on long range, including system, by OPGW, Brillouin optical time-domain reflectometer, Raman Fiber Amplifier and industrial computer, OPGW is arranged on high-tension overhead line, and is connected with two places transformer station;Brillouin optical time-domain reflectometer is connected by OPGW with Raman Fiber Amplifier;Industrial computer is connected by USB line and netting twine with Brillouin optical time-domain reflectometer, solve current power transmission circuit distribution icing on-line monitoring system and monitor line range typically in 30KM or so, but some powerline ice-covering regions reach kilometers up to a hundred in Mountainous Areas of Si Sichuan, system can not meet the problem of icing region is more than the 30KM monitoring of long power transmission line icing distribution at present.

Description

A kind of distributed icing on-line monitoring system based on long range
Technical field
It the utility model is related to technical field of electric power transmission, and in particular to a kind of distributed icing on-line monitoring based on long range System.
Background technology
OPGW(OPGW)As the part of transmission line of electricity, have aerial earth wire and communications optical cable double Weight function, as communications optical cable has reliability height, anti-natural calamity ability is strong, be not easy by artificial destruction, service life is long, transports The advantages such as row maintenance cost is low, are widely applied in China's communication of power system trunk transit network in recent years.But In the OPGW design service life time limit, once ground wire function or optical fiber communication function are lost, service life is not only terminated, weight What is wanted is that can cause huge loss of outage and influence, goes back the safe and stable operation of entail dangers to power network.Therefore, to OPGW icing point Cloth is monitored in real time, is found in time, exclusion hidden danger is particularly important.The system is simple in construction, and DOFS main frames, which are arranged on, to be become Power station computer room, it is connected with the standby fibre of a circuit OPGW wherein cores, sensor is used as using the core fibre, it is not necessary to install on the line Additional sensors, you can realize OPGW icing distribution monitoring in real time.Traditional monitoring device can thoroughly be solved in adverse weather condition Lower existing communication, monitoring surface be narrow and stability problem, opens the new direction of electric power monitoring technology.
Current power transmission circuit distribution icing on-line monitoring system monitors line range typically in 30KM or so, but in Sichuan Some powerline ice-covering regions of mountain area reach kilometers up to a hundred, and system can not meet long transmission of electricity of the icing region more than 30KM at present The monitoring of line ice coating distribution.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of distributed icing on-line monitoring system based on long range System, solve current power transmission circuit distribution icing using a kind of distributed icing on-line monitoring system based on long range and supervise online Examining system monitors line range typically in 30KM or so, but some powerline ice-covering regions reach public affairs up to a hundred in Mountainous Areas of Si Sichuan In, system can not meet the problem of icing region is more than the 30KM monitoring of long power transmission line icing distribution at present.
The technical scheme of offer of the present utility model monitors system on-line to provide a kind of distributed icing based on long range System, including system is by OPGW, Brillouin optical time-domain reflectometer, Raman Fiber Amplifier and industrial computer, it is characterised in that: OPGW It is connected on high-tension overhead line, and with two places transformer station;Brillouin optical time-domain reflectometer passes through OPGW and Raman fiber Amplifier connects;Industrial computer is connected by USB line and netting twine with Brillouin optical time-domain reflectometer.
Described OPGW and Raman Fiber Amplifier connected mode are wire jumper connected mode.
The described single quantity of OPGW optical fiber is more than 24 cores.
Described OPGW is FC single-mode fibers.
Described OPGW fiber lengths are up to 100km.
System is made up of OPGW, Brillouin optical time-domain reflectometer, Raman Fiber Amplifier and industrial computer.OPGW is mounted in On high-tension overhead line, two places transformer station is connected, typically there are 24 core above optical fiber, the system utilizes an OPGW idle optical fiber As sensor, Raman Fiber Amplifier connects an OPGW idle optical fiber, and output optical signal connects Brillouin optical time-domain reflectometer, Raman Fiber Amplifier optical control signal connects industrial computer, and Raman Fiber Amplifier Output optical power is adjusted by optical control signal. Brillouin optical time-domain reflectometer connects Raman Fiber Amplifier by FC single-mode fiber jumpers and is connected, by adjusting Brillouin light time domain The optical parameter of reflectometer and Raman Fiber Amplifier, the optical signal up to 100 kilometers can be measured.Industrial computer passes through USB line It is connected with netting twine with Brillouin optical time-domain reflectometer, industrial computer control Brillouin optical time-domain reflectometer real-time data collection, and lead to Cross algorithm and calculate line ice coating distribution results of the output up to 100KM.
A system data of collection per minute, including the parameter such as OPGW Temperature Distributions, ice covering thickness distribution.
Compared with the prior art, the transmission line of electricity distribution icing on-line monitoring system based on long range solves system survey Span from it is shorter the problem of, substantially met to the covering of the gamut of various regions icing region path monitoring.
Brief description of the drawings
Fig. 1 is principle schematic of the present utility model.
Embodiment
Below in conjunction with the accompanying drawings and utility model is described further specific embodiment:
As shown in figure 1, a kind of distributed icing on-line monitoring system based on long range, using a kind of based on long range It is general that distributed icing on-line monitoring system solves current power transmission circuit distribution icing on-line monitoring system monitoring line range In 30KM or so, but in Mountainous Areas of Si Sichuan, some powerline ice-covering regions reach kilometers up to a hundred, and system can not meet icing at present The problem of monitoring that long power transmission line icing of the region more than 30KM is distributed.
The technical scheme of offer of the present utility model monitors system on-line to provide a kind of distributed icing based on long range System, including system is by OPGW, Brillouin optical time-domain reflectometer, Raman Fiber Amplifier and industrial computer, it is characterised in that: OPGW It is connected on high-tension overhead line, and with two places transformer station;Brillouin optical time-domain reflectometer passes through OPGW and Raman fiber Amplifier connects;Industrial computer is connected by USB line and netting twine with Brillouin optical time-domain reflectometer.
Described OPGW and Raman Fiber Amplifier connected mode are wire jumper connected mode.
The described single quantity of OPGW optical fiber is more than 24 cores.
Described OPGW is FC single-mode fibers.
Described OPGW fiber lengths are up to 100km.
System is made up of OPGW, Brillouin optical time-domain reflectometer, Raman Fiber Amplifier and industrial computer.OPGW is mounted in On high-tension overhead line, two places transformer station is connected, typically there are 24 core above optical fiber, the system utilizes an OPGW idle optical fiber As sensor, Raman Fiber Amplifier connects an OPGW idle optical fiber, and output optical signal connects Brillouin optical time-domain reflectometer, Raman Fiber Amplifier optical control signal connects industrial computer, and Raman Fiber Amplifier Output optical power is adjusted by optical control signal. Brillouin optical time-domain reflectometer connects Raman Fiber Amplifier by FC single-mode fiber jumpers and is connected, by adjusting Brillouin light time domain The optical parameter of reflectometer and Raman Fiber Amplifier, the optical signal up to 100 kilometers can be measured.Industrial computer passes through USB line It is connected with netting twine with Brillouin optical time-domain reflectometer, industrial computer control Brillouin optical time-domain reflectometer real-time data collection, and lead to Cross algorithm and calculate line ice coating distribution results of the output up to 100KM.
A system data of collection per minute, including the parameter such as OPGW Temperature Distributions, ice covering thickness distribution.
Compared with the prior art, the transmission line of electricity distribution icing on-line monitoring system based on long range solves system survey Span from it is shorter the problem of, substantially met to the covering of the gamut of various regions icing region path monitoring.

Claims (5)

1. a kind of distributed icing on-line monitoring system based on long range, including system is by OPGW, Brillouin light Time Domain Reflectometry Instrument, Raman Fiber Amplifier and industrial computer, it is characterised in that:OPGW be arranged on high-tension overhead line on, and with two places transformer station Connection;Brillouin optical time-domain reflectometer is connected by OPGW with Raman Fiber Amplifier;Industrial computer passes through USB line and netting twine and cloth In deep optical time domain reflectometer be connected.
A kind of 2. distributed icing on-line monitoring system based on long range according to claim 1, it is characterised in that:Institute The OPGW stated and Raman Fiber Amplifier connected mode are wire jumper connected mode.
A kind of 3. distributed icing on-line monitoring system based on long range according to claim 1, it is characterised in that:Institute The single quantity of OPGW optical fiber stated is more than 24 cores.
A kind of 4. distributed icing on-line monitoring system based on long range according to claim 1, it is characterised in that:Institute The OPGW stated is FC single-mode fibers.
A kind of 5. distributed icing on-line monitoring system based on long range according to claim 1, it is characterised in that:Institute The OPGW fiber lengths stated are up to 100km.
CN201720239010.XU 2017-03-13 2017-03-13 A kind of distributed icing on-line monitoring system based on long range Active CN206670564U (en)

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CN201720239010.XU CN206670564U (en) 2017-03-13 2017-03-13 A kind of distributed icing on-line monitoring system based on long range

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720239010.XU CN206670564U (en) 2017-03-13 2017-03-13 A kind of distributed icing on-line monitoring system based on long range

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CN206670564U true CN206670564U (en) 2017-11-24

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110243295A (en) * 2019-06-21 2019-09-17 永州电力勘测设计院有限公司 Transmission line icing method for measuring thickness based on distributed optical fiber vibration sensor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110243295A (en) * 2019-06-21 2019-09-17 永州电力勘测设计院有限公司 Transmission line icing method for measuring thickness based on distributed optical fiber vibration sensor

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