CN107181242A - Protection device for power transmission and transformation line - Google Patents
Protection device for power transmission and transformation line Download PDFInfo
- Publication number
- CN107181242A CN107181242A CN201710354508.5A CN201710354508A CN107181242A CN 107181242 A CN107181242 A CN 107181242A CN 201710354508 A CN201710354508 A CN 201710354508A CN 107181242 A CN107181242 A CN 107181242A
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- Prior art keywords
- signal
- power transmission
- protection
- transformation line
- protection device
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 64
- 230000009466 transformation Effects 0.000 title claims abstract description 45
- 238000012544 monitoring process Methods 0.000 claims abstract description 29
- 238000004891 communication Methods 0.000 claims abstract description 16
- 230000008054 signal transmission Effects 0.000 claims abstract description 9
- 230000001681 protective effect Effects 0.000 claims description 13
- 238000012546 transfer Methods 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 10
- 238000005259 measurement Methods 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 12
- 238000012423 maintenance Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/085—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution lines, e.g. overhead
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention provides a protection device for a power transmission and transformation line, which comprises a control unit, a communication service unit and a line protection unit, and is characterized in that the control unit comprises a signal receiving server, a controller extension and a remote control console; the communication service unit comprises a signal transmitter and a signal transmission station; the line protection unit comprises a measurement circuit module, a protection circuit, a switch and a video acquisition device; the control unit, the communication service unit and the line protection unit are all in signal connection; the signal receiving server, the controller extension and the remote control console are in signal connection; the signal transmitter is in signal connection with the signal transmission station; and the measuring circuit module, the protection circuit, the switch and the video acquisition device are electrically connected. The invention is provided with a plurality of protection devices, and can find various faults in time; carry out remote monitoring protection to power transmission and transformation circuit, reduce the intensity of labour who overhauls daily, be convenient for discover hidden danger in advance, reduce the risk.
Description
Technical field
The present invention relates to power transmission and transformation line protection technique field, and in particular to a kind of protection for power transmission and transformation line is filled
Put.
Background technology
The conveying of electric current often leads to be lost caused by circuit generates heat, so when conveying being raised by power transformation
Voltage, allows electric current to diminish to reduce heating loss.High-tension electricity has very high danger, and target electric appliance is also without such height
Pressure, this is accomplished by reducing voltage by power transformation.Multiple power transformation is needed during due to being conveyed in electric current, so electric current
Conveying is referred to as power transmission and transformation.
Power transmission and transformation are power plant to grid power transmission, and it is that low-voltage is raised into (such as 500,000 volts) to carry out away from transmission of electricity, same
Power voltage gets over that high current is smaller, and the small loss on the line of electric current is small.
Power transmission and transformation are like a big net for being covered with the whole nation.Transformer station is exactly the node in net.Connect each node
It is exactly transmission line of electricity, transmission line of electricity can be divided into again：The forms such as steel tower, steel pipe pole, concrete bar, power cable.The ratio of steel tower form
Relatively generally it is seen everywhere in highway both sides.With science and technology development and country it is powerful, the very high power cable of cost is slow
Slow is employed, this way for switching to underground by sky, embodies progress and the civilization of society.
In recent years, external force destruction has a strong impact on public infrastructure to important public infrastructure in ascendant trend year by year
It is normal to safeguard and run, national economy and the people are caused a significant threat safely.
Power grid security is directly connected to national economy, if transmission line of electricity is destroyed by external force, and gently then large-area power-cuts, makes
It is heavy then cause the casualties that can not retrieve into serious economic loss.And power transmission and transformation line is built out of doors, exist a variety of outer
The hidden danger of power destruction, the architecture against regulations in route protection area, fetches earth and quarries, and the construction of crane cruelty, natural calamity cause foreign matter
The accident such as wire and trees disaster is touched all by the normal operation of safety for threatening power network.To avoid external force to power transmission line
The destruction on road to power transmission and transformation line, it is necessary to carry out real time remote video monitoring, and send early warning when there is dangerous situation, with fast
Speed is removed a hidden danger, it is to avoid unnecessary accident occurs.
Geographical environment, weather conditions at present residing for remote power transmission and transformation line are all relatively more severe, and due to power transmission and transformation
Mostly place that circuit is passed through is high mountain, and thunder and lightning, rainwater and ice and snow have serious shadow to high-voltage power transmission line monitoring system
Ring, therefore very difficult is just seemed using traditional artificial mode again to the maintenance of power transmission and transformation line.Need to power transmission and transformation line
Carry out remote protecting.But existing long-distance protective device, its structure is often all very complicated, and circuit is cumbersome, and maintenance cost is high.
The content of the invention
Regarding the issue above, the present invention provides it is a kind of can remote protecting for power transmission and transformation line protection fill
Put.
In order to achieve the above object, the present invention is achieved through the following technical solutions：
A kind of protection device for power transmission and transformation line, including control unit, Communications service unit and route protection unit, it is described
Control unit includes signal the reception server, controller extension set and remote console；The Communications service unit is sent out including signal
Emitter and signal transfer station；The route protection unit includes measuring circuit module, protective loop, switch and video acquisition dress
Put；
Equal signal connection between described control unit, Communications service unit and route protection unit；
Equal signal connection between the signal the reception server, controller extension set and remote control platform；
Signal is connected between signal projector and the signal transfer station；
Electrically connected between the measuring circuit module, protective loop, switch and video acquisition device.
Further, the signal the reception server and signal projector match.
Further, the signal transfer station includes signal transmission substation and signal transmission master station.
Further, the video acquisition device includes video camera, Video Codec and alarm.
Further, the signal the reception server includes video reception server and power system the reception server.
Further, the controller extension set includes video intelligent processing module and Power System Intelligent processing module.
Further, the remote console includes display and monitor terminal.
Further, the monitor terminal includes monitoring information management module and monitoring information transmission module；The monitoring
Signal is connected between information management module and monitoring information transmission module.
Further, the alarm includes monitoring alarm and power failure alarm.
The present invention compared with prior art, with following beneficial effect：
The present invention is by setting control unit, Communications service unit and route protection unit, and control unit receives clothes provided with signal
Business device, controller extension set and remote console；Ensure to carry out remote control；Communications service unit includes signal projector and signal
Transfer station；Ensure signal transmitting and transmit accurate；Route protection unit includes measuring circuit module, protective loop, switch
And video acquisition device；Measuring circuit module is used to measure the projects such as the electric current in power transmission and transformation line, voltage, resistance；
Protective loop includes overcurrent protection, overvoltage protection, overtemperature protection, no-load protection, short-circuit protection etc., and power transmission and transformation line is protected
Shield；Video acquisition device includes video camera, Video Codec and alarm, and the alarm includes monitoring alarm and electric power event
Hinder alarm.Video camera is high-definition network camera, can 360 degree collection protection device surrounding image；The present invention is provided with many
Protection device is planted, various failures can be found in time；Remote monitoring protection is carried out to power transmission and transformation line, the labor of maintenance repair is reduced
Fatigue resistance, is easy to scent a hidden danger in advance, reduces risk；It is provided with video acquisition device, remote personnel need not be in the action sight
Examine, real time video collection and remote monitoring directly can be carried out to transmission line of electricity by video acquisition device, external force is invaded into
Row intellectual analysis, scents a hidden danger and automatic early-warning in time, so as to avoid unnecessary accident from occurring.Using transmission of wireless signals
Testing result, enormously simplify track laying cost；Using multilevel signal transmitting device, control range is wide.
Brief description of the drawings
Fig. 1 is the structured flowchart of the present invention；
Fig. 2 is the workflow diagram of the present invention.
Embodiment
With reference to embodiment, the invention will be further described.
A kind of protection device for power transmission and transformation line, as shown in Figure 1, including control unit, Communications service unit and
Route protection unit, control unit includes signal the reception server, controller extension set and remote console；
Communications service unit includes signal projector and signal transfer station；Signal projector is used for transmission signal, signal transfer station
For transmitting signal；Route protection unit includes measuring circuit module, protective loop, switch and video acquisition device；Measurement electricity
Road module is used to measure the projects such as the electric current in power transmission and transformation line, voltage, resistance；Protective loop include overcurrent protection,
Overvoltage protection, overtemperature protection, no-load protection, short-circuit protection etc., are protected to power transmission and transformation line；Video acquisition device includes taking the photograph
Camera, Video Codec and alarm, the alarm include monitoring alarm and power failure alarm.Video camera is high definition
Web camera, can 360 degree collection protection device surrounding image；When power transmission and transformation line is invaded or power transmission and transformation line by external force
When surrounding environment is extremely abnormal, monitoring alarm gives a warning, and points out people to remove abnormal；When the power train of power transmission and transformation line
When abnormal or failure occurs for system, power failure alarm gives a warning, and points out staff to repair power system,
Failure is removed, makes the power system recovery of power transmission and transformation line normal.
It is wireless signal connection between above-mentioned control unit, Communications service unit and route protection unit；
It is wireless signal connection between above-mentioned signal the reception server, controller extension set and remote control platform；Signal receives clothes
Business device includes video reception server and power system the reception server.Controller extension set includes video intelligent processing module and electricity
Force system intelligent processing module, remote console includes display and monitor terminal, and monitor terminal includes monitoring information and manages mould
Block and monitoring information transmission module；Signal is connected between the monitoring information management module and monitoring information transmission module
Signal is connected between above-mentioned signal projector and signal transfer station；Above-mentioned signal the reception server and signal projector phase
Match somebody with somebody, signal transfer station includes signal and transmits substation and signal transmission master station.
Electrically connected between above-mentioned measuring circuit module, protective loop, switch and video acquisition device.
As shown in Fig. 2 the workflow of the present invention is：Video camera in video acquisition device shoots power transmission and transformation line operation
The image of situation and external circumstances, sends to controller extension set, measuring circuit is to power transmission and transformation line after being decoded through Video Decoder
Electric current, voltage measures, and result sent to controller extension set, the video intelligent processing module and electricity of controller extension set
Force system intelligent processing module video information respectively to reception and power information carry out processing judgement, and result is passed through into signal
Transmitter, signal transmission substation and signal transmission master station, and then received by signal the reception server, wherein video information is by video
The reception server is received, and power information is received by power system the reception server.When Power System Intelligent processing module is judged
When the power system of power transmission and transformation line is broken down, controller extension set sends instruction deenergization to switch.
Video reception server sends the video information of reception to remote console, and remote console is provided with monitor terminal
And display, monitor terminal include monitoring information management module and monitoring information transmission module, monitoring information management module carry out
Video image management, warning information management and user authority management.Monitoring information transmission module include transmission of video submodule and
Warning information transmits submodule.Transmission of video submodule is authorized according to user to be provided video information to remote console and can pass through
Display is checked.Warning information transmits submodule according to different warning information grades, remote console is controlled monitoring alarm
Device sends corresponding alarm.Monitoring information management module preserves video image and early warning and recorded, support user according to
Its authority having carries out real time intelligent control or playback.
Power system the reception server sends the power information of reception to remote console, and remote console is by power train
System failure is sent to power failure alarm, notifies maintenance personal to be safeguarded, solves after failure, remote console sends startup
Signal, controller extension set receives the signal and again starting switch, restores electricity.
As can be seen here, above-mentioned line protective devices are by setting control unit, Communications service unit and route protection unit,
Control unit is provided with signal the reception server, controller extension set and remote console；Ensure to carry out remote control；Communications service list
Member includes signal projector and signal transfer station；Ensure signal transmitting and transmit accurate；Route protection unit includes measurement
Circuit module, protective loop, switch and video acquisition device；Measuring circuit module is used for the electric current in power transmission and transformation line, electricity
The projects such as pressure, resistance are measured；Protective loop includes overcurrent protection, overvoltage protection, overtemperature protection, no-load protection, short circuit guarantor
Shield etc., is protected to power transmission and transformation line；Video acquisition device includes video camera, Video Codec and alarm, the alarm
Device includes monitoring alarm and power failure alarm.Video camera is high-definition network camera, can 360 degree of collection protection devices four
The image in week；The present invention is provided with a variety of protection devices, and various failures can be found in time；Power transmission and transformation line is remotely supervised
Control protection, reduces the labor intensity of maintenance repair, is easy to scent a hidden danger in advance, reduces risk；Video acquisition device is provided with, far
Cheng personnel need not be in the action observation, directly by video acquisition device transmission line of electricity can be carried out real time video collection and
Remote monitoring, carries out intellectual analysis to external force invasion, scents a hidden danger in time and automatic early-warning, so as to avoid unnecessary accident
Occur.Using transmission of wireless signals testing result, track laying cost enormously simplify；Using multilevel signal transmitting device, control
Scope processed is wide.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, although with reference to foregoing reality
Apply example the present invention is described in detail, for those skilled in the art, it still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic.All essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (9)
1. a kind of protection device for power transmission and transformation line, including control unit, Communications service unit and route protection unit, its
It is characterised by, described control unit includes signal the reception server, controller extension set and remote console；The Communications service list
Member includes signal projector and signal transfer station；The route protection unit include measuring circuit module, protective loop, switch and
Video acquisition device；
Equal signal connection between described control unit, Communications service unit and route protection unit；
Equal signal connection between the signal the reception server, controller extension set and remote control platform；
Signal is connected between signal projector and the signal transfer station；
Electrically connected between the measuring circuit module, protective loop, switch and video acquisition device.
2. the protection device of a kind of power transmission and transformation line according to claim 1, it is characterised in that the signal receives service
Device and signal projector match.
3. a kind of protection device of power transmission and transformation line according to claim 1, it is characterised in that signal transfer station bag
Include signal transmission substation and signal transmission master station.
4. a kind of protection device of power transmission and transformation line according to claim 1, it is characterised in that the video acquisition device
Including video camera, Video Codec and alarm.
5. the protection device of a kind of power transmission and transformation line according to claim 1, it is characterised in that the signal receives service
Device includes video reception server and power system the reception server.
6. a kind of protection device of power transmission and transformation line according to claim 1, it is characterised in that the controller extension set bag
Include video intelligent processing module and Power System Intelligent processing module.
7. a kind of protection device of power transmission and transformation line according to claim 1, it is characterised in that the remote console bag
Include display and monitor terminal.
8. the protection device of a kind of power transmission and transformation line according to claim 7, it is characterised in that the monitor terminal includes
Monitoring information management module and monitoring information transmission module；Between the monitoring information management module and monitoring information transmission module
Signal is connected.
9. the protection device of a kind of power transmission and transformation line according to claim 1, it is characterised in that the alarm includes prison
Control alarm and power failure alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710354508.5A CN107181242A (en) | 2017-05-19 | 2017-05-19 | Protection device for power transmission and transformation line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710354508.5A CN107181242A (en) | 2017-05-19 | 2017-05-19 | Protection device for power transmission and transformation line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107181242A true CN107181242A (en) | 2017-09-19 |
Family
ID=59832800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710354508.5A Pending CN107181242A (en) | 2017-05-19 | 2017-05-19 | Protection device for power transmission and transformation line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107181242A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110703658A (en) * | 2019-10-28 | 2020-01-17 | 深圳供电局有限公司 | Virtual power plant remote monitoring system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201674602U (en) * | 2010-05-14 | 2010-12-15 | 东北电网有限公司长春超高压局 | Video identification system in high-voltage power transmission line online monitoring system |
| CN102024302A (en) * | 2010-10-18 | 2011-04-20 | 航天科工深圳（集团）有限公司 | Monitoring and early warning system for power transmission lines |
| CN201974693U (en) * | 2011-04-08 | 2011-09-14 | 罗琛 | Remote control protection device for electric system |
| CN103986229A (en) * | 2014-05-08 | 2014-08-13 | 国家电网公司 | High-voltage user work monitoring system and method applied to power field |
| EP2977838A1 (en) * | 2014-07-25 | 2016-01-27 | Alstom Technology Ltd | Process of monitoring intelligent electronic devices installed in an electrical power system |
-
2017
- 2017-05-19 CN CN201710354508.5A patent/CN107181242A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201674602U (en) * | 2010-05-14 | 2010-12-15 | 东北电网有限公司长春超高压局 | Video identification system in high-voltage power transmission line online monitoring system |
| CN102024302A (en) * | 2010-10-18 | 2011-04-20 | 航天科工深圳（集团）有限公司 | Monitoring and early warning system for power transmission lines |
| CN201974693U (en) * | 2011-04-08 | 2011-09-14 | 罗琛 | Remote control protection device for electric system |
| CN103986229A (en) * | 2014-05-08 | 2014-08-13 | 国家电网公司 | High-voltage user work monitoring system and method applied to power field |
| EP2977838A1 (en) * | 2014-07-25 | 2016-01-27 | Alstom Technology Ltd | Process of monitoring intelligent electronic devices installed in an electrical power system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110703658A (en) * | 2019-10-28 | 2020-01-17 | 深圳供电局有限公司 | Virtual power plant remote monitoring system |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170919 |
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| RJ01 | Rejection of invention patent application after publication |