CN104297634B - Ultrahigh-voltage online monitoring system - Google Patents
Ultrahigh-voltage online monitoring system Download PDFInfo
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- CN104297634B CN104297634B CN201410560119.4A CN201410560119A CN104297634B CN 104297634 B CN104297634 B CN 104297634B CN 201410560119 A CN201410560119 A CN 201410560119A CN 104297634 B CN104297634 B CN 104297634B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 31
- 239000013307 optical fiber Substances 0.000 claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- 238000005070 sampling Methods 0.000 claims abstract description 21
- 238000004146 energy storage Methods 0.000 claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims abstract description 6
- 230000003287 optical effect Effects 0.000 claims description 24
- 238000012545 processing Methods 0.000 claims description 24
- 230000003750 conditioning effect Effects 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 238000013500 data storage Methods 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 claims description 5
- 230000007613 environmental effect Effects 0.000 claims description 5
- 239000012212 insulator Substances 0.000 claims description 5
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 4
- 230000000295 complement effect Effects 0.000 claims description 3
- 238000005485 electric heating Methods 0.000 claims description 3
- 230000036541 health Effects 0.000 claims description 3
- 230000000474 nursing effect Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 208000032365 Electromagnetic interference Diseases 0.000 abstract 1
- 230000007547 defect Effects 0.000 abstract 1
- 238000012546 transfer Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000004899 motility Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000001143 conditioned effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000008520 organization Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
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- 230000005685 electric field effect Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
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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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
Abstract
The invention discloses an ultrahigh-voltage online monitoring system. The system comprises a local unit, a transmission unit and a remote control center. The local unit comprises an ultrahigh voltage sampling unit, a distributed power supply unit, an energy storage unit, a controller unit and a conversion unit, and all the function units of the local unit are arranged inside an electromagnetic-interference-resistant shell. The ultrahigh-voltage online monitoring system combines the characteristics of optical fiber transmission and the characteristics of wireless transmission, overcomes the defect that interference resistance is poor when single wireless monitoring and transmission is adopted, reduces the cost of single optical fiber wiring, avoids the maintenance and loss cost for long-distance optical fiber laying, has higher flexibility than optical fibers and has the advantages of seamless access, and wireless transmission further has better expansion capacity and self-organizing capacity.
Description
Technical field
The present invention relates to a kind of electromagnetic environment problem of extra high voltage network, is particularly supervised under electromagnetic environment
Survey.
Background technology
Electromagnetic environment problem is the great skill that must take in supertension AC and DC Transmission Line Design, construction and operation
Art problem.At this stage, this problem worldwide still falls within hot research problem.The electromagnetic environment of extra high voltage network with
Transmission line of electricity corona characteristic is relevant, and the corona of circuit can cause corona loss, power frequency electromagnetic field (ac transmission), DC electric field effect
Answer the consequence of the aspect such as (direct current transportation), radio interference and audible noise.Thus each device in extra high voltage network
Testing result transmission there is a problem of be subject to electromagnetic interference.
Patent documentation CN201420048786.X gives the on-line computing model of a kind of UHVDC Arrester and online
Monitoring system, it carries out lightning arrestor movement signal transmission by the way of passive by mode optical signal；Scene meter in monitor
Number device is electromagnetic mechanical type, on-the-spot ammeter is passive device used in moving-coil type, electro-optic conversion loop, it is not necessary to powered, real
The use requirement for high-pressure side is showed, and has eliminated the various unstable hidden danger for needing power supply mode to bring, also reduced
The cost that the realization of various power supply modes is increased；Arrester action current is fitted by test and output optical signal is corresponding
Electric current-time pulsewidth curve, is judged by the monitoring of signal processing module, can more accurately draw the action of spark gap
Size of current；It is convenient for the adjustment of monitor lower limit action current, as long as by drawing electric current in electric current-pulsewidth curve
The pulse width of corresponding optical signal, you can by follow-up signal processing that this pulse width is offline as the action of spark gap
Criterion.
And passive device of the prior art or electromagnetic mechanical type part, although overcoming will not be asked by electromagnetic interference
Topic, but its accuracy of detection is often very restricted with detection range, and mechanical part is easily produced when Jing often works
Raw abrasion, can further cause precision to reduce or device failure.Meanwhile, if each monitor connects optic fiber converter
Words, then be easily caused high cost, and optical fiber, when long range is laid, intensity and toughness deficiency are easily caused damage, therefore, need
There is provided one kind can overcome electromagnetic interference, also meet the monitoring device for avoiding optical fiber distance from laying.
The content of the invention
A kind of super-pressure on-line monitoring system, it includes local unit, transmission unit and remote control center, wherein locally
Unit includes super-pressure sampling unit, distributed power supply unit, energy-storage units, controller unit and converting unit, and adopts one
The shell of electromagnetism interference arranges each functional unit in local unit wherein.
Wherein super-pressure sampling unit includes that insulator leakage current detector unit, environmental monitoring unit, thunderbolt monitoring are single
Unit and icing parameter detecting unit, leakage current situation, temperature, humidity, wind-force, wind speed that it can detect contaminated insulator
Etc. environmental aspect, thunderbolt and flashover situation and the icing situation of circuit.
Distributed power supply unit, is made up of wind-photovoltaic complementary power supply system, including solar panel, wind-driven generator, most
High-power tracking control unit, current rectifying and wave filtering circuit, charge controller, the power output end and maximum work of the solar panel
The input connection of rate tracking control unit, the outfan connection charge controller of maximal power tracing controller, wind-driven generator
Outfan connection current rectifying and wave filtering circuit, current rectifying and wave filtering circuit outfan connection charge controller, the output of charge controller
End connection energy-storage units, distributed power supply unit adopts wind light mutual complementing power supply technique and electric power is provided for the work of each unit, and will
Excrescent electric power is stored in the battery, is used during for night or in poor shape wind-powered electricity generation, wind-force and photovoltaic generation unit can according to
The power consumption condition of electric unit is arranging the size of photovoltaic panel or blower fan to ensure power supply.
Energy-storage units are connected by multiple accumulator and/or parallel connection is constituted, according to making for actual controller and sampling unit
With voltage condition determining.
Controller includes power subsystem, power distribution unit, A/D converting units, memory cell, clock unit and number
According to processing unit, power subsystem is electrically connected to energy-storage units, for obtaining electric power to maintain controller and sampling from energy-storage units
The normal work of unit, power distribution unit is electrically connected to each sampling unit, is rationally entered according to the electricity consumption situation of each sampling unit
The distribution of row electric power.The analogue signals such as voltage, the electric current of acquisition of sampling are converted to digital signal and are supplied to number by A/D converting units
Processed according to processing unit, data processing unit receives the digital signal after conversion and processed, data processing unit will be pre-
If in the time period（Such as one day, one week）Data storage in memory, in case calling, data processing unit is carried out to data
Simple process, further, for example, when the sampled value of later moment in time is not higher than preset value than the sampled value of previous moment, does not enter
The transmission of row data, only carries out the storage of data, when the sampled value of later moment in time is higher than preset value than the sampled value of previous moment
Or the sampled value of later moment in time is when exceeding the threshold value of setting, send sampled data, so can reduce the frequent transmission of data with
Receive, increase power consumption and monitoring cost, clock unit provides clock signal, and data processing unit is stamped to the data that need to be sent
Timing signal, when clock unit can adopt GPS pair, the sampled data that memory cell data storage processing unit sends simultaneously is formed
Historical data base in short-term.
Converting unit has signal generator and light emission module, and signal generator receiving data processes light emission module and adopts
Use Distributed Feedback Laser module. its breadth of spectrum line is very narrow. and dynamic single longitudinal mode characteristic can be kept under high-speed pulse modulation. its
Optical wavelength is highly stable.In light modulation. employ external modulation technology.Automated power control, linearisation electricity are contained in module
Road and automatic temperature-adjusting control.Automatic temp. controlling circuit controls the refrigerator of quick refrigerator of electric heating, and it can keep one, laser instrument stable
Operating temperature. reduce the generation of thermal noise.
Transmission unit includes Optical Receivers, optical fiber cable, signal conditioning circuit and wireless transmitting unit, optical fiber cable
One end connects light emission module, and other end connection Optical Receivers, Optical Receivers employs the high photodiode of response speed
Used as photodetector, Optical Receivers converts optical signals to export after the signal of telecommunication to signal conditioning circuit, signal conditioning circuit
Wireless transmitting unit is sent to after nursing one's health signal, wireless transmitting unit is wirelessly passed after vibrating to the signal of telecommunication
Defeated, the wherein length of optical fiber cable is selected not disturbed by superhigh voltage DC in the point transmitting wireless signal with wireless transmitting unit and is
Standard, i.e., during the environment of an Electromgnetic seat is transferred signals to by fiber-optic transfer, entered using wireless transmit mode to the signal of telecommunication
The further transmission of row, adopts in this way relative to fiber-optic transfer, reduce the cost of optical fiber wiring, it is to avoid optical fiber maintenance
And cost depletions, and than optical fiber have higher motility, possess the characteristic of seamless access, i.e., at any time, Anywhere,
Anyone can obtain sampled data after the wireless accreditation of acquisition, and be wirelessly transferred also with preferably extension and self-organizing energy
Power, i.e., multiple monitoring points can carry out group-net communication.
Further, transmission unit can also be constituted only with Optical Receivers and optical fiber cable, and one end of optical fiber cable connects
Light emission module is connect, other end connection Optical Receivers, Optical Receivers is connected with nearest remote control center or electric power station,
The electric power station using signal conditioning circuit conditioned signal and by station communication circuit or Power Line Carrier Communication output to compared with
Remote remote control center carries out the shared of data.
Remote control center has radio receiving unit, and it receives the sampled signal of wireless transmitting unit transmitting, and passes through
Data processing circuit carries out the analysis of data and processes, and more alarm signal is sent in limited time in data, and stores data in storage
As historical data for calling later in device, remote control center contrasts in real time the data message of multiple monitoring point transmission, and
The real time data of multiple monitoring points and historical data are contrasted, when the data difference between two monitoring points occurs exception
When, such as under normal circumstances difference is 5, is 10 when abnormal, sends alarm signal, and such as the real time data of single monitoring point is than history number
According to difference it is out-of-limit or real time data is out-of-limit, send alarm signal.
The super-pressure on-line monitoring system that the present invention is adopted combines fiber-optic transfer and the characteristic being wirelessly transferred, and overcomes list
Pure wireless monitor is poor with the anti-interference of transmission, reduces the cost of simplex optical fiber wiring, it is to avoid lay optical fiber over long distances
Safeguard and cost depletions, and there is higher motility than optical fiber possess the characteristic of seamless access, and be wirelessly transferred also with more
Extension well and self organization ability.
Description of the drawings
Fig. 1 is supertension on-Line Monitor Device of the prior art.
Fig. 2 is local unit structure chart of the present invention of the present invention.
Fig. 3 is present configuration schematic diagram.
Specific embodiment
As shown in Fig. 2 for the structure chart of local unit of the present invention, local unit includes super-pressure sampling unit, distributed
Power supply unit, energy-storage units, controller unit and converting unit, and using an electromagnetism interference shell by local unit
Each functional unit is arranged wherein.
Wherein super-pressure sampling unit includes that insulator leakage current detector unit, environmental monitoring unit, thunderbolt monitoring are single
Unit and icing parameter detecting unit, leakage current situation, temperature, humidity, wind-force, wind speed that it can detect contaminated insulator
Etc. environmental aspect, thunderbolt and flashover situation and the icing situation of circuit.
Distributed power supply unit, is made up of wind-photovoltaic complementary power supply system, including solar panel, wind-driven generator, most
High-power tracking control unit, current rectifying and wave filtering circuit, charge controller, the power output end and maximum work of the solar panel
The input connection of rate tracking control unit, the outfan connection charge controller of maximal power tracing controller, wind-driven generator
Outfan connection current rectifying and wave filtering circuit, current rectifying and wave filtering circuit outfan connection charge controller, the output of charge controller
End connection energy-storage units, distributed power supply unit adopts wind light mutual complementing power supply technique and electric power is provided for the work of each unit, and will
Excrescent electric power is stored in the battery, is used during for night or in poor shape wind-powered electricity generation, wind-force and photovoltaic generation unit can according to
The power consumption condition of electric unit is arranging the size of photovoltaic panel or blower fan to ensure power supply.
Energy-storage units are connected by multiple accumulator and/or parallel connection is constituted, according to making for actual controller and sampling unit
With voltage condition determining.
Controller includes power subsystem, power distribution unit, A/D converting units, memory cell, clock unit and number
According to processing unit, power subsystem is electrically connected to energy-storage units, for obtaining electric power to maintain controller and sampling from energy-storage units
The normal work of unit, power distribution unit is electrically connected to each sampling unit, is rationally entered according to the electricity consumption situation of each sampling unit
The distribution of row electric power.The analogue signals such as voltage, the electric current of acquisition of sampling are converted to digital signal and are supplied to number by A/D converting units
Processed according to processing unit, data processing unit receives the digital signal after conversion and processed, data processing unit will be pre-
If in the time period（Such as one day, one week）Data storage in memory, in case calling, data processing unit is carried out to data
Simple process, further, for example, when the sampled value of later moment in time is not higher than preset value than the sampled value of previous moment, does not enter
The transmission of row data, only carries out the storage of data, when the sampled value of later moment in time is higher than preset value than the sampled value of previous moment
Or the sampled value of later moment in time is when exceeding the threshold value of setting, send sampled data, so can reduce the frequent transmission of data with
Receive, increase power consumption and monitoring cost, clock unit provides clock signal, and data processing unit is stamped to the data that need to be sent
Timing signal, when clock unit can adopt GPS pair, the sampled data that memory cell data storage processing unit sends simultaneously is formed
Historical data base in short-term.
Converting unit has signal generator and light emission module, and signal generator receiving data processes light emission module and adopts
Use Distributed Feedback Laser module. its breadth of spectrum line is very narrow. and dynamic single longitudinal mode characteristic can be kept under high-speed pulse modulation. its
Optical wavelength is highly stable.In light modulation. employ external modulation technology.Automated power control, linearisation electricity are contained in module
Road and automatic temperature-adjusting control.Automatic temp. controlling circuit controls the refrigerator of quick refrigerator of electric heating, and it can keep one, laser instrument stable
Operating temperature. reduce the generation of thermal noise.
As shown in figure 3, for the present invention structure principle chart, transmission unit include Optical Receivers, optical fiber cable, signal adjust
Reason circuit and wireless transmitting unit, one end connection light emission module of optical fiber cable, other end connection Optical Receivers, light-receiving
Module employs the high photodiode of response speed as photodetector, and Optical Receivers converts optical signals to defeated after the signal of telecommunication
Go out to signal conditioning circuit, signal conditioning circuit is sent to wireless transmitting unit, wireless transmitting unit after nursing one's health signal
It is wirelessly transferred after vibrating to the signal of telecommunication, the wherein length of optical fiber cable is selected with wireless transmitting unit in the point transmitting
Wireless signal is not defined by superhigh voltage DC interference, i.e., the environment of an Electromgnetic seat is transferred signals to by fiber-optic transfer
In, the signal of telecommunication is further transmitted using wireless transmit mode, adopt in this way relative to fiber-optic transfer, reduce
The cost of optical fiber wiring, it is to avoid optical fiber maintenance and cost depletions, and there is higher motility than optical fiber, possess seamless access
Characteristic, i.e., at any time, Anywhere, anyone can obtain sampled data after wireless accreditation is obtained, and wireless pass
Defeated also to have preferably extension and self organization ability, i.e., multiple monitoring points can carry out group-net communication.
Further, transmission unit can also be constituted only with Optical Receivers and optical fiber cable, and one end of optical fiber cable connects
Light emission module is connect, other end connection Optical Receivers, Optical Receivers is connected with nearest remote control center or electric power station,
The electric power station using signal conditioning circuit conditioned signal and by station communication circuit or Power Line Carrier Communication output to compared with
Remote remote control center carries out the shared of data.
Remote control center has radio receiving unit, and it receives the sampled signal of wireless transmitting unit transmitting, and passes through
Data processing circuit carries out the analysis of data and processes, and more alarm signal is sent in limited time in data, and stores data in storage
As historical data for calling later in device, remote control center contrasts in real time the data message of multiple monitoring point transmission, and
The real time data of multiple monitoring points and historical data are contrasted, when the data difference between two monitoring points occurs exception
When, such as under normal circumstances difference is 5, is 10 when abnormal, sends alarm signal, and such as the real time data of single monitoring point is than history number
According to difference it is out-of-limit or real time data is out-of-limit, send alarm signal.
The foregoing is only the present invention is preferably not limited to the present invention, it is clear that those skilled in the art can be with
The present invention is carried out it is various change and modification without departing from the spirit and scope of the present invention.So, if these of the present invention are repaiied
Change and belong within the scope of the claims in the present invention and its equivalent technologies with modification, then the present invention be also intended to comprising these change and
Including modification.
Claims (1)
1. a kind of super-pressure on-line monitoring system, it is characterised in that including local unit, transmission unit and remote control center,
Wherein local unit includes super-pressure sampling unit, distributed power supply unit, energy-storage units, controller unit and converting unit,
And the shell using an electromagnetism interference arranges the unit in local unit wherein；Super-pressure sampling unit is let out including insulator
Leakage current test unit, environmental monitoring unit, thunderbolt monitoring unit and icing parameter detecting unit, distributed power supply unit,
It is made up of wind-photovoltaic complementary power supply system, including solar panel, wind-driven generator, maximal power tracing controller, rectification filter
Wave circuit, charge controller, the power output end of the solar panel connects with the input of maximal power tracing controller
Connect, the outfan connection charge controller of maximal power tracing controller, the outfan connection rectifying and wave-filtering electricity of wind-driven generator
Road, the outfan connection charge controller of current rectifying and wave filtering circuit, the outfan connection energy-storage units of charge controller, energy-storage units
Connected by multiple accumulator and/or parallel connection is constituted, controller unit includes that power subsystem, power distribution unit, A/D conversions are single
Unit, memory cell, clock unit and data processing unit, power subsystem is electrically connected to energy-storage units, for from energy storage list
Unit obtains electric power to maintain the normal work of controller unit and super-pressure sampling unit, power distribution unit to be electrically connected to superelevation
Pressure sampling unit, according to the electricity consumption situation of super-pressure sampling unit the distribution of electric power is rationally carried out, and A/D converting units obtain sampling
Voltage, current analog signal be converted to digital signal and be supplied to data processing unit to be processed, data processing unit connects
Receive the digital signal after conversion to be processed, clock unit provides clock signal, data processing unit is beaten to the data that need to be sent
Upper timing signal, when clock unit adopts GPS pair, the sampled data of memory cell data storage processing unit transmission is simultaneously formed
Historical data base in short-term, converting unit has signal generator and light emission module, signal generator receiving data, light transmitting
Module adopts Distributed Feedback Laser module, employs external modulation technology, and automated power control, linear is contained in Distributed Feedback Laser module
Change circuit and automatic temperature-adjusting control, automatic temp. controlling circuit controls the refrigerator of quick refrigerator of electric heating, and transmission unit includes light-receiving mould
Block, optical fiber cable, signal conditioning circuit and wireless transmitting unit, one end connection light emission module of optical fiber cable, the other end connects
Optical Receivers is connect, Optical Receivers employs photodiode as photodetector, and Optical Receivers is converted optical signals to
Export after the signal of telecommunication to signal conditioning circuit, signal conditioning circuit is sent to wireless transmitting unit, nothing after nursing one's health signal
Line transmitter unit is wirelessly transferred after vibrating to the signal of telecommunication, and multiple monitoring points carry out group-net communication, remote control center
With radio receiving unit, it receives the sampled signal of wireless transmitting unit transmitting, and carries out data by data processing circuit
Analysis with process, more in limited time send alarm signal in data, and store data in memorizer and be provided with as historical data
After call, remote control center contrasts in real time the data message of multiple monitoring points transmission, and by the real-time number of multiple monitoring points
According to being contrasted with historical data.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410560119.4A CN104297634B (en) | 2014-10-18 | 2014-10-18 | Ultrahigh-voltage online monitoring system |
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| CN201410560119.4A CN104297634B (en) | 2014-10-18 | 2014-10-18 | Ultrahigh-voltage online monitoring system |
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| CN104297634A CN104297634A (en) | 2015-01-21 |
| CN104297634B true CN104297634B (en) | 2017-04-19 |
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| CN106066439A (en) * | 2016-08-15 | 2016-11-02 | 国网山西省电力公司大同供电公司 | A kind of high-tension electricity power transmission line life monitoring system |
| CN106341183A (en) * | 2016-11-11 | 2017-01-18 | 济南浪潮高新科技投资发展有限公司 | Method for monitoring optical module by netmanager software |
| CN106918421B (en) * | 2017-02-27 | 2019-04-12 | 中交疏浚技术装备国家工程研究中心有限公司 | Adjustable superhigh pressure water jet pressure measurement experimental provision |
| CN107193057A (en) * | 2017-06-21 | 2017-09-22 | 广东电网有限责任公司江门供电局 | A kind of condition checkout gear for distribution line supporting construction |
| CN107945475A (en) * | 2017-11-01 | 2018-04-20 | 安徽康迈德电力保护设备有限公司 | Control 2.4G signals penetrate the device and method of corona layer outside super-pressure |
| CN109959847B (en) * | 2017-12-25 | 2024-03-29 | 国家电网公司 | Optical fiber passive pollution flashover monitoring system |
| CN110596481A (en) * | 2019-07-09 | 2019-12-20 | 国网江苏省电力有限公司徐州供电分公司 | High tension transmission line thunder and lightning monitoring system based on induction power supply |
| CN114844226B (en) * | 2022-06-30 | 2022-09-20 | 深圳凯升联合科技有限公司 | High-voltage circuit monitoring alarm system and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101470014A (en) * | 2008-06-20 | 2009-07-01 | 袁德海 | Integrated on-line monitoring system and method for power transmission line |
| CN102193050A (en) * | 2011-04-19 | 2011-09-21 | 嘉兴电力局 | Positioning system for fault of direct-current transmission line |
| CN203422841U (en) * | 2013-09-05 | 2014-02-05 | 山西省电力公司大同供电分公司 | Electricity utilization information acquisition system based on WSN (wireless sensor network) and light communication |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0587861A (en) * | 1991-09-27 | 1993-04-06 | Ngk Insulators Ltd | Electric power plant monitoring device |
-
2014
- 2014-10-18 CN CN201410560119.4A patent/CN104297634B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101470014A (en) * | 2008-06-20 | 2009-07-01 | 袁德海 | Integrated on-line monitoring system and method for power transmission line |
| CN102193050A (en) * | 2011-04-19 | 2011-09-21 | 嘉兴电力局 | Positioning system for fault of direct-current transmission line |
| CN203422841U (en) * | 2013-09-05 | 2014-02-05 | 山西省电力公司大同供电分公司 | Electricity utilization information acquisition system based on WSN (wireless sensor network) and light communication |
Non-Patent Citations (1)
| Title |
|---|
| 架空输电线路的在线监测;杨之望等;《华东电力》;20130430;第41卷(第4期);第0780-0785页 * |
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