CN207039292U - A kind of ± 500kV DC line state automatic recognition systems based on remote motion signal - Google Patents
A kind of ± 500kV DC line state automatic recognition systems based on remote motion signal Download PDFInfo
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- CN207039292U CN207039292U CN201720596825.3U CN201720596825U CN207039292U CN 207039292 U CN207039292 U CN 207039292U CN 201720596825 U CN201720596825 U CN 201720596825U CN 207039292 U CN207039292 U CN 207039292U
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Abstract
A kind of ± 500kV DC line state automatic recognition systems based on remote motion signal, it includes direct current electrode protector, DC line protection device, DC control and protection system server, power network telemechanical substation, telemechanical front server, power network tele-control master station, master server and display device；The input of the direct current electrode protector output end and DC line protection device output end respectively with DC control and protection system server is connected；The DC control and protection system server realizes communication connection after power network telemechanical substation, telemechanical front server, power network tele-control master station with master server successively；The output interface of the master server is connected with display device.The status signal of DC transmission system is sent on master server by the utility model, master server is judged status signal by condition adjudgement program, so as to learn whether transmission system is in malfunction, can the locking of automatic identification DC transmission system, stop transport, restart, the state such as brownout operation.
Description
Technical field
It the utility model is related to power automatic system field, and in particular to a kind of ± 500kV based on remote motion signal is straight
Streamline line state automatic recognition system.
Background technology
D.C. high voltage transmission is not by the constraint of synchronous operation stability problem, achievable asynchronous interconnection etc. using direct current transportation
Advantage and the high-power remote direct current transportation used.The statistical analysis of ± 500kV DC power transmission line running situations is support
DC operation policy development, analysis direct current transportation reliability, the important means for aiding in O＆M decision-making.Tianguang HVDC, Niu Congjia are straight
Direct current control and protection system is same technology path in stream, Niu Congyi direct currents, gold, and control relay protective scheme has consistent with signal characteristic
Property.
At present, the outage information of ± 500kV DC lines need to be by artificial statistical summaries, and are converged in a manner of periodically reporting
Always, finally write fail-safe analysis report according to different statistics classifications.But artificial statistics is in the presence of time-consuming, efficiency
It is low, be likely to occur and fail to report the problems such as misrepresenting deliberately, and manually statistics can only be reported with periodic method, it is impossible to DC transmission line
The running status on road monitor and count in real time.
In view of this, it is necessory to provide a kind of ± 500kV DC line state automatic identifications system based on remote motion signal
System.
Utility model content
The purpose of this utility model is to provide a kind of ± 500kV DC line state automatic identifications system based on remote motion signal
System, can the locking of automatic identification DC transmission system, stop transport, restart, the state such as brownout operation, and based on the recognition result when
Between, counted in terms of the dimension such as number, so as to realize direct current reliability statistical analysis.
To achieve the above object, the utility model adopts the technical scheme that：
A kind of ± 500kV DC line state automatic recognition systems based on remote motion signal, it includes direct current pole protection dress
Put, DC line protection device, DC control and protection system server, power network telemechanical substation, telemechanical front server, power network it is remote
Dynamic main website, master server and display device；
The direct current electrode protector output end and DC line protection device output end are protected with DC control respectively is
The input connection of system server；
The DC control and protection system server is successively through power network telemechanical substation, telemechanical front server, power network telemechanical
Communication connection is realized after main website with master server；
The output interface of the master server is connected with display device.
The utility model obtains DC transmission system using direct current electrode protector output end and DC line protection device
The state such as pole protection signal, route protection action signal, pole unlocking signal, pole block signal and brownout operation signal letter
Number, then pass on DC control and protection system server, DC control and protection system server passes through status signal successively
Sent after power network telemechanical substation, telemechanical front server, power network tele-control master station to master server, that is to say the utility model profit
The status signal of DC transmission system is sent on master server with the communication channel of Telecontrol Systems of Power Network, master server is provided with
Condition adjudgement program, status signal is judged by condition adjudgement program, so as to learn whether DC transmission system is in
Malfunction, and malfunction is sent to display device and shown.
As a kind of improvement of the present utility model, in addition to database server, the DC control and protection system service
Device realizes communication connection after power network telemechanical substation, telemechanical front server, power network tele-control master station with database server successively,
Database server is used for storage state signal data.
Compared with prior art, the utility model has advantages below：
The status signal of DC transmission system is sent to master by the utility model using the communication channel of Telecontrol Systems of Power Network
On server, master server is judged status signal by condition adjudgement program, so as to learn whether transmission system is in
Malfunction, can the locking of automatic identification DC transmission system, stop transport, restart, the state such as brownout operation.
Brief description of the drawings
Fig. 1 is the schematic diagram of ± 500kV DC line state automatic recognition system of the utility model based on remote motion signal.
Embodiment
Content of the present utility model is described in further details with reference to the accompanying drawings and detailed description.It is appreciated that
, specific embodiment described herein is used only for explaining the utility model, rather than to restriction of the present utility model.In addition
It should also be noted that, for the ease of describing, the part related to the utility model rather than full content are illustrate only in accompanying drawing.
Embodiment
Fig. 1 is refer to, a kind of ± 500kV DC line state automatic recognition systems based on remote motion signal, it is included directly
Flow electrode protector 10, DC line protection device 20, DC control and protection system server 30, power network telemechanical substation 40, remote
Dynamic front server 50, power network tele-control master station 60, master server 80 and display device 90.
The output end of direct current electrode protector 10 and the output end of DC line protection device 20 are protected with DC control respectively
The input connection of protecting system server 30.Direct current electrode protector is the shape for monitoring DC transmission system station end equipment
State, DC line protection device are used for the state for monitoring DC transmission system transmission line of electricity.
The DC control and protection system server 30 is successively through power network telemechanical substation 40, telemechanical front server 50, electricity
Communication connection is realized after net tele-control master station 60 with master server 80.The utility model is made using the communication channel of Telecontrol Systems of Power Network
For transmission channel, the utilization rate of grid equipment is improved, lowers operating cost.
The output interface of the master server 80 is connected with display device 90.
In addition, this automatic recognition system also includes database server 70, the DC control and protection system server 30
Realized successively after power network telemechanical substation 40, telemechanical front server 50, power network tele-control master station 60 with database server 70 logical
News connection, database server 70 are used for storage state signal data.Database server can back up DC transmission system shape
The data of state signal, to ensure automatic recognition system normal operation and be easy to the inquiry of historical data.
The utility model obtains DC transmission system using direct current electrode protector output end and DC line protection device
The state such as pole protection signal, route protection action signal, pole unlocking signal, pole block signal and brownout operation signal letter
Number, then pass on DC control and protection system server, DC control and protection system server passes through status signal successively
Sent after power network telemechanical substation, telemechanical front server, power network tele-control master station to master server, that is to say the utility model profit
The status signal of DC transmission system is sent on master server with the communication channel of Telecontrol Systems of Power Network, master server is provided with
Condition adjudgement program, status signal is judged by condition adjudgement program, so as to learn whether DC transmission system is in
Malfunction, and malfunction is sent to display device and shown.Master server can also be based on the recognition result when
Between, counted in terms of the dimension such as number, so as to realize direct current reliability statistical analysis.
The utility model automatic recognition system specific work process is as follows：Collected by DC control and protection system server
Signals below：1st, the pole failure locking signal of direct current electrode protector generation；2nd, the circuit event of DC line protection device generation
Barrier block signal and line fault restart pass signal；DC control and protection system server leads to status signal through data-interface
Cross 61850 stipulations and transmit to telemechanical substation, telemechanical substation and transmitted the scheduled data network of remote motion signal to telemechanical by 104 stipulations
Front server, front server transmit remote motion signal to tele-control master station, and tele-control master station is again by status signal transmission to main clothes
Business device and database server, complete information storage and storage.
After master server gets status signal, starting state determining program is judged status signal, condition adjudgement
Program is judged that detailed process is as follows based on collected status signal：
Judgement to DC transmission system monopole failure locking state (by taking pole one as an example)：Condition adjudgement program is defeated by direct current
The pole block signal of the electric system wherein converting plant of a pole and Inverter Station takes and relation, converting plant, the pole block signal of Inverter Station
It is that 1 pole is in blocking, condition adjudgement program is obtained in the pole 15 seconds (if interior communication failure based on this state again
Signal is 1, then takes in 80 seconds) the error protection block signal of converting plant and Inverter Station, and take or relation, if or relation result
It is worth for 1, then judges that monopole failure locking occurs for DC transmission system；
Judgement to DC transmission system monopole non-faulting blocking (by taking pole one as an example)：Condition adjudgement program is by direct current
The pole block signal of the transmission system wherein converting plant of a pole and Inverter Station takes and relation, converting plant, the pole locking letter of Inverter Station
Number then the pole is in blocking, condition adjudgement program taken again in 15 seconds based on this state (if interior communication fault-signal is 1,
Then take in 80 seconds) the error protection block signal of converting plant and Inverter Station, and negated relation, if not the end value of relation is 0, sentence
Monopole non-faulting locking occurs for disconnected DC transmission system；
Judgement to DC transmission system monopole released state (by taking pole one as an example)：Condition adjudgement program is by DC power transmission system
The pole block signal of the system wherein converting plant of a pole and Inverter Station takes and relation, and converting plant, the pole block signal of Inverter Station are 1
Then the pole is in blocking, condition adjudgement program taken again in 15 seconds based on this state (if interior communication fault-signal is 1,
Take in 80 seconds) the pole failure locking signal of converting plant and Inverter Station, and take or relation, if or the end value of relation is 0, judge
Monopole non-faulting locking occurs for DC transmission system；
Judgement to the bipolar failure locking state of DC transmission system：Condition adjudgement program is by DC transmission system pole one
The block signal of converting plant and the block signal of Inverter Station, the converting plant of pole two and Inverter Station takes and relation, if signal is 1,
Then the DC transmission system is in bipolar locking state；Condition adjudgement program is taken in 15 seconds (if interior communication based on the state again
Fault-signal is 1, then takes in 80 seconds) the converting plant and failure locking signal of Inverter Station of pole one, the converting plant of pole two and inversion
The failure locking signal stood, and take and relation, if being 1 with the end value of relation, the DC transmission system is in bipolar failure
Blocking, it is judged as bipolar failure locking；
Judgement to the bipolar non-faulting blocking of DC transmission system：Condition adjudgement program is by DC transmission system pole one
Converting plant and the block signal of Inverter Station, the converting plant of pole two and the block signal of Inverter Station takes and relation, if signal is
1, then the DC transmission system be in bipolar locking state；Condition adjudgement program is taken in 15 seconds (if leading between station based on the state again
It is 1 to believe fault-signal, then takes in 80 seconds) converting plant of pole one and the failure locking signal of Inverter Station, the converting plant of pole two and inverse
Become the failure locking signal at station, and negated relation, if not the end value of relation is 0, then the DC transmission system is in bipolar non-
Failure locking state, it is judged as bipolar non-faulting locking；
Judgement to the bipolar released state of DC transmission system：Condition adjudgement program by DC transmission system 15 seconds (if
Interior communication fault-signal is 1, then takes in 80 seconds) converting plant of pole one and the unlocking signal of Inverter Station, the converting plant of pole two and
The unlocking signal of Inverter Station takes and relation, if signal is 1, the DC transmission system is in bipolar released state, is judged as
Bipolar unblock；
Judgement to DC transmission system line fault tripped condition：Condition adjudgement program obtains DC transmission system 15 seconds
The pole block signal of interior (if interior communication fault-signal is 1, taking in 80 seconds) converting plant and Inverter Station, if signal is 1, and
Converting plant DC line fault trip signal or Inverter Station DC line fault trip signal are 1, then at the DC transmission system
In line tripping state, it is judged as that DC line trips；
Judgement to DC transmission system line fault tripped condition：Condition adjudgement program obtains DC transmission system 15 seconds
The pole unlocking signal of interior (if interior communication fault-signal is 1, taking in 80 seconds) converting plant and Inverter Station, if signal is 1, and
Converting plant DC line protection action signal or Inverter Station DC line protection action signal are 1, then at the DC transmission system
Restart success in circuit, be judged as that DC line fault restarts success；
The judgement of 70% or 80% running status is depressured to DC transmission system：Condition adjudgement program obtains DC power transmission system
The converting plant and Inverter Station of system are depressurized to 70% operating state signal, if signal is 1, or converting plant and Inverter Station are depressurized to
80% operating state signal is 1, then the DC transmission system is depressurized to 70% running status or is depressurized to 80% running status,
It is judged as that DC line is depressurized to 70% or 80% operation.
In summary, the utility model can be with the monopole failure locking of automatic identification DC transmission system, monopole non-faulting
Locking, monopole unblock, bipolar failure locking, bipolar non-faulting locking, bipolar unblock, line tripping, line fault are restarted, are depressured
Operation has 9 kinds of states altogether.It is defeated using telecontrol system communication channel and design point recognition logic, automatic identification ± 500kV direct currents
Electric system state, and with reference to DL/T 989-2013《DC transmission system reliability evaluation code》With IEEE Std 1240-
2000(R2006)《Guide for the Evaluation of the Reliability of HVDC Converter
Stations》Standard, direct current reliability statistical analysis can be achieved, greatly improve information and collect efficiency and reduce demographic's work
Amount.
Above-listed detailed description is illustrating for the utility model possible embodiments, and the embodiment simultaneously is not used to limit
The scope of the claims of the present utility model, all equivalence enforcements or change without departing from carried out by the utility model, it is intended to be limited solely by this case
In the scope of the claims.
Claims (2)
- A kind of 1. ± 500kV DC line state automatic recognition systems based on remote motion signal, it is characterised in that：Including direct current pole Protection device, DC line protection device, DC control and protection system server, power network telemechanical substation, telemechanical front server, Power network tele-control master station, master server and display device；The direct current electrode protector output end and DC line protection device output end take with DC control and protection system respectively The input connection of business device；The DC control and protection system server is successively through power network telemechanical substation, telemechanical front server, power network tele-control master station Communication connection is realized with master server afterwards；The output interface of the master server is connected with display device.
- 2. ± 500kV DC line state the automatic recognition systems according to claim 1 based on remote motion signal, its feature It is：Also include database server, the DC control and protection system server is preposition through power network telemechanical substation, telemechanical successively Communication connection is realized after server, power network tele-control master station with database server, database server is used for storage state signal Data.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720596825.3U CN207039292U (en) | 2017-05-25 | 2017-05-25 | A kind of ± 500kV DC line state automatic recognition systems based on remote motion signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720596825.3U CN207039292U (en) | 2017-05-25 | 2017-05-25 | A kind of ± 500kV DC line state automatic recognition systems based on remote motion signal |
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| Publication Number | Publication Date |
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| CN207039292U true CN207039292U (en) | 2018-02-23 |
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| CN201720596825.3U Active CN207039292U (en) | 2017-05-25 | 2017-05-25 | A kind of ± 500kV DC line state automatic recognition systems based on remote motion signal |
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2017
- 2017-05-25 CN CN201720596825.3U patent/CN207039292U/en active Active
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