CN104901427B - A kind of Substation Communication System - Google Patents
A kind of Substation Communication System Download PDFInfo
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- CN104901427B CN104901427B CN201510369659.9A CN201510369659A CN104901427B CN 104901427 B CN104901427 B CN 104901427B CN 201510369659 A CN201510369659 A CN 201510369659A CN 104901427 B CN104901427 B CN 104901427B
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- 238000004891 communication Methods 0.000 title claims abstract description 188
- 238000012360 testing method Methods 0.000 claims description 20
- 230000002159 abnormal effect Effects 0.000 claims description 7
- 230000004888 barrier function Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 abstract description 5
- 238000003745 diagnosis Methods 0.000 abstract description 3
- 230000006870 function Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000012790 confirmation Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000013519 translation Methods 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
Abstract
This application discloses a kind of Substation Communication System, including：First communication port, the second communication port, first are from ring apparatus and second from ring apparatus；Wherein, the first communication port includes：In first stop in the outer device of device, first stop and connection first stop device and the outer device of first stop the first communication line；Second communication port includes：In second station in the outer device of device, second station and connection second station device and the outer device of second station the second communication line；First is connected from ring apparatus by the first communication line with device outside first stop；And first is connected from ring apparatus with device in second station, in the first operative state, first is used for device in first stop from ring from ring apparatus；Second is connected from ring apparatus by the second communication line with device outside second station, and second is connected from ring apparatus with device in first stop, and in a second operative state, second is used for device in second station from ring from ring apparatus.The application realizes the quick diagnosis of outage detection.
Description
Technical field
The present invention relates to technical field of power system communication, in particular, is related to a kind of Substation Communication System.
Background technology
With the continuous development of computer technology, computing capability improves, the automation of transformation substations technically also constantly lifting,
The aspect covered is also more and more wider.The responsibility that communication system is undertaken in standing is also more and more great, stand in telecontrol communication interrupt
Caused consequence getting worse.
At present when outage occurs for communication system, it is necessary to carried out by maintainer to scene true from ring experiment detection
Outage generation is recognized in station or outside station, and the staff for then reinforming Xintong Co is handled, and is so added
Go to work number, reduce operating efficiency.
The content of the invention
To solve the above problems, the invention provides a kind of Substation Communication System, the Substation Communication System can lead to
Self-loop function confirmation communication failure generation is crossed in station or outside station, the quick diagnosis of outage detection is realized, improves
Operating efficiency.
To achieve these goals, the invention provides following technical scheme：
A kind of Substation Communication System, the Substation Communication System include：First communication port, the second communication port,
One from ring apparatus and second from ring apparatus；Wherein,
First communication port includes：The outer device of device, first stop and the connection first stop are built-in in first stop
Put the first communication line with device outside the first stop；
Second communication port includes：The outer device of device, second station and the connection second station are built-in in second station
Put the second communication line with device outside the second station；
Described first is connected from ring apparatus by first communication line with device outside the first stop；And described first
It is connected from ring apparatus with device in the second station, in the first operative state, described first is used for described the from ring apparatus
Device is from ring in one station；
Described second is connected from ring apparatus by second communication line with device outside the second station, and described second
It is connected from ring apparatus with device in the first stop, in a second operative state, described second is used for described the from ring apparatus
Device is from ring in two stations.
Preferably, in above-mentioned communication system, first communication port is 101 communication ports using 101 stipulations；
Second communication port is 104 communication ports using 104 stipulations.
Preferably, in above-mentioned communication system, device includes in the first stop：The first interchanger for being sequentially connected,
One telecontrol communication machine and modem；
First communication line includes：Pass through the first data feedback channel and the first down going channel and the modem
The voice distribution frame of connection；The first dispatching terminal being connected with the voice distribution frame.
Preferably, in above-mentioned communication system, first data feedback channel includes two with first down going channel
Parallel sub-channel；
One sub-channels of first data feedback channel dock with a sub-channels of first down going channel；Described
Another sub-channels of one data feedback channel dock with another sub-channels of first down going channel.
Preferably, in above-mentioned communication system, device includes in the second station：The second switch that is sequentially connected,
Two telecontrol communication machines, real-time exchange machine and router；
Second communication line includes：It is connected by the second data feedback channel and the second down going channel with the router
Traffic patch bay；The second dispatch terminal being connected with the traffic patch bay.
Preferably, in above-mentioned communication system, described first is connected from ring apparatus one end with second telecontrol communication machine, another
End is connected by first data feedback channel and first down going channel with the outer device of the first stop.
Preferably, in above-mentioned communication system, described second is connected from ring apparatus one end with first telecontrol communication machine, another
End is connected by second data feedback channel and second down going channel with the outer device of the second station.
Preferably, in above-mentioned communication system, described first includes from ring apparatus：For the reception mould made received from fourth finger
Block；It is described from fourth finger order for performing, carry out the execution module from ring control；For the receiving module and the execution module
The power module of power supply.
Preferably, in above-mentioned communication system, described second is identical from ring apparatus structure with described first from ring apparatus.
By foregoing description, Substation Communication System provided by the invention includes：First communication port, the second communication
Passage, first are from ring apparatus and second from ring apparatus；Wherein, first communication port includes：Device, first in first stop
Stand the first communication line of device and the outer device of the first stop in outer device and the connection first stop；Second communication
Passage includes：Device and the outer device of the second station in the outer device of device, second station and the connection second station in second station
The second communication line；Described first is connected from ring apparatus by first communication line with device outside the first stop；And
Described first is connected from ring apparatus with device in the second station, and in the first operative state, described first is used for from ring apparatus
By device in the first stop from ring；Described second passes through device outside second communication line and the second station from ring apparatus
Connection, and described second is connected from ring apparatus with device in the first stop, in a second operative state, described second sets from ring
It is ready for use on device in the second station from ring.
When communication disruption failure occurs for any one in first communication port and second communication port, pass through
It is corresponding to control the station equipment for the communication port that outage occurs from ring from ring apparatus, can be according to the communication port from ring
Outside station afterwards the packet sending and receiving state confirmation of the device communication port occur outage position when in station in device still
Stand outer device, without it is artificial carry out scene from ring experiment test, realize the quick diagnosis of outage detection, improve work
Make efficiency.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is a kind of structural representation for Substation Communication System that the embodiment of the present application provides；
Fig. 2 is the structural representation for another Substation Communication System that the embodiment of the present application provides；
Fig. 3 be that the embodiment of the present application provides a kind of first from the structural representation of ring apparatus.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
With reference to figure 1, a kind of structural representation for Substation Communication System that Fig. 1 provides for the embodiment of the present application, the power transformation
Stand communication system.
First communication port includes：Device 12 in the outer device 11 of device 12, first stop and connection first stop in first stop
With the first communication line 13 of device outside first stop 11.
Second communication port includes：Device 15 in the outer device 14 of device 15, second station and connection second station in second station
With the second communication line 16 of device outside second station 14.
First is connected from ring apparatus 17 by the first communication line 13 with device outside first stop 11；And first from ring apparatus 17
It is connected with device in second station 15, in the first operative state, first is used for device in first stop 12 from ring from ring apparatus 17.
First working condition is that the communication of the second communication port is normal, and shape during communication disruption failure occurs for the first communication port
State.Under first working condition, due to communication disruption, the outer message of device 11 of first stop is abnormal.Now, in second station device 15 to
One sends first from ring apparatus 17 makes and the first test packet signal from fourth finger, first from ring apparatus 17 according to first from fourth finger
Device 12 is from ring in order control first stop.
If the outer device 11 of first stop can receive the first test packet signal, illustrate by the first communication line 13
Communicated with device outside first stop 11 normally, device 12 in first stop occur for the outage of the first communication port, that is, interrupt event
Barrier occurs in station.
, whereas if the outer device 11 of first stop can not receive the first test packet signal, then prove by the first communication
The outer device 11 of circuit 13 and first stop communicate it is abnormal, illustrate the first test packet signal can not by the first communication line 13 with
And the outer device 11 of first stop transmits, and is existed by the communication port part of the first communication line 13 to device outside first stop 11 and interrupts event
Barrier, it can be determined that the first communication line 13 outside station, or the outer device 11 of first stop occur for communication disruption failure, or the two it
Between, you can to judge that it is outer at station that communication disruption failure occurs.
Second is connected from ring apparatus 18 by the second communication line 16 with device outside second station 14, and second from ring apparatus 18
It is connected with device in first stop 12, in a second operative state, second is used for device in second station 15 from ring from ring apparatus 18.
Second working condition is that the communication of the first communication port is normal, and shape during communication disruption failure occurs for the second communication port
State.Under second working condition, due to communication disruption, the outer message of device 14 of second station is abnormal.Now, in first stop device 12 to
Two send second from ring apparatus 18 makes and the second test packet signal from fourth finger, second from ring apparatus 18 according to second from fourth finger
Device 15 is from ring in order control second station.
If the outer device 14 of second station can receive the second test packet signal, illustrate by the second communication line 16
Communicated with device outside second station 14 normally, device 15 in second station occur for the outage of the second communication port, that is, interrupt event
Barrier occurs in station.
, whereas if the outer device 14 of second station can not receive the second test packet signal, then prove by the second communication
The outer device 14 of circuit 16 and second station communicate it is abnormal, illustrate the second test packet signal can not by the second communication line 16 with
And the outer device 14 of second station transmits, and is existed by the communication port part of the second communication line 16 to device outside second station 14 and interrupts event
Barrier, it can be determined that the second communication line 16 outside station, or the outer device 14 of second station occur for communication disruption failure, or the two it
Between, you can to judge that it is outer at station that communication disruption failure occurs.
In the embodiment of the present application, it is described to be set from ring for short circuit, i.e., first from ring apparatus 17 by device in first stop 12
From ring be by the short circuit of device in first stop 12, second from ring apparatus 18 by device in second station 15 from ring be by device in second station
15 short circuits., can be quick by the station equipment of the corresponding communication port that communication disruption failure will occur from ring apparatus from ring
Judge that outage occurs in station or stood outer.
In the first working condition, if it is decided that the station external memory of the first communication port in the communications break failure, in order to enter one
Step determines whether communication disruption failure be present simultaneously in the station of the first communication port, now, can also pass through device in first stop
12 send second to second from ring apparatus 18 makes and the second test packet signal from fourth finger, if the outer device 14 of second station can be with
The second test packet signal is received, then illustrates that device 12 communicates normally in first stop, be i.e. station is not present in the first communication port
Interior communication disruption failure, if the outer device 14 of second station can not receive the second test packet signal, illustrate in first stop
Device 12 also has communication disruption failure, that is, illustrates the first communication port while have the interior and outer communication disruption failure in station of standing.
In the second working condition, if it is decided that the station external memory of the second communication port in the communications break failure, in order to enter one
Step determines whether communication disruption failure be present simultaneously in the station of the second communication port, now, can also pass through device in second station
15 send first to first from ring apparatus 17 makes and the first test packet signal from fourth finger, if the outer device 11 of first stop can be with
The first test packet signal is received, then illustrates that device 15 communicates normally in second station, be i.e. station is not present in the second communication port
Interior communication disruption failure, if the outer device 11 of first stop can not receive the first test packet signal, illustrate in second station
Device 15 also has communication disruption failure, that is, illustrates the second communication port while have the interior and outer communication disruption failure in station of standing.
With reference to figure 2, Fig. 2 is the structural representation for another Substation Communication System that the embodiment of the present application provides, in Fig. 2
In illustrated embodiment, the first communication port is 101 communication ports using 101 stipulations.Second communication port is using 104 rule
104 communication ports about.
Device 21 includes in first stop：The first interchanger 211, the first telecontrol communication machine 212 and the modulation /demodulation being sequentially connected
Device 213.First communication line 22 includes：It is connected by the first data feedback channel and the first down going channel with modem 213
Voice distribution frame 221；The first dispatching terminal 222 being connected with voice distribution frame 221.
Device 23 includes in second station：The second switch 231 that is sequentially connected, the second telecontrol communication machine 232, real-time exchange machine
233 and router 234.Second communication line 24 includes：By the second data feedback channel 5. and the second down going channel ⑥Yu roads
The traffic patch bay 241 connected by device 234；The second dispatch terminal 242 being connected with traffic patch bay 241.
Transceiving data is tested for the ease of the first dispatching terminal 222, the first data feedback channel and the first down going channel include two
1. 3. bar parallel sub-channel, a sub-channels of the first data feedback channel dock with a sub-channels of the first down going channel, and first
2. 4. another sub-channels of data feedback channel dock with another sub-channels of the first down going channel.Can between corresponding subchannel
To be docked by switching.
Transceiving data is tested for the ease of the second dispatching terminal 242,5. 6. the second data feedback channel docks with the second down going channel.
5. 6. second data feedback channel can be achieved a butt joint with the second down going channel by switch.
First is connected from the one end of ring apparatus 25 with the second telecontrol communication machine 232, and the other end passes through the first data feedback channel and first
Down going channel is connected with the outer device 22 of first stop.
Second is connected from the one end of ring apparatus 26 with the first telecontrol communication machine 212, and the other end is by the second data feedback channel 5. with second
6. down going channel is connected with device outside second station 24.
When failure occurs in trouble point C, main website end by under 104 passages from ring order to the second telecontrol communication machine 231, the
Two telecontrol communication machines 231 send first and made from fourth finger to first from ring apparatus 25, by passage from ring.Now main website end will be received and dispatched just
Often, message is correct, and failure judgement occurs in the station of the first communication port.Main website end is to include the first dispatching terminal and the second tune
Spend the main electrical power plant at end.Power station including device in device in first stop and second station is scheduled plant stand.
When failure occurs in trouble point D, main website end by under 101 passages from ring order to the first telecontrol communication machine 211, the
One telecontrol communication machine 211 sends second and made from fourth finger to second from ring apparatus 26, by passage from ring.Now main website end will be received and dispatched still
Abnormal, without message, it is outer that station occurs for failure judgement.
In the embodiment of the present application, interior and station of standing is outer to each mean that communication disruption failure occurs in plant stand or outside plant stand.
With reference to figure 3, Fig. 3 be that the embodiment of the present application provides a kind of first from the structural representation of ring apparatus, first from ring
Equipment 25 includes：For the receiving module 31 made received from fourth finger；Made for performing from fourth finger, carry out the execution mould from ring control
Block 32；The power module 33 powered for receiving module 31 and execution module 32.
For first from ring apparatus 25, its receiving terminal A is used to be connected with the second telecontrol communication machine 232, for receiving the second telemechanical
The instruction of the first closed loop and the second test packet signal that machine 232 is sent, its transmitting terminal B are used to connect with the first communication line 22
Connect.
Second is identical from the structure of ring apparatus with first from ring apparatus, equally includes：For the reception made received from fourth finger
Module；Made for performing from fourth finger, execution module of the device from ring in control second station；Supplied for receiving module and execution module
The power module of electricity.
In the embodiment of the present application, receiving module can be received and understood in the stations such as 103, MMS that corresponding telecontrol communication machine sends and assist
Discuss the order in message.Device is respectively provided with from two shapes of ring status and normal operating condition in device and second station in first stop
State, closed from ring status for normally opened node, normally closed node disconnects.Normal operating condition disconnects for normally opened node, and normally closed node closes
Close.Device is sent by corresponding telecontrol communication machine and order carry out state switching is made and recovered from fourth finger in standing.
Command execution module is made up of a two-position relay with multiple normally opened, normally closed nodes, its normally closed auxiliary
Node is concatenated to corresponding telecontrol communication machine, by normally opened auxiliary node and is connected to corresponding data feedback channel and down going channel, is received mould
Block will make or recover order to understand the driving actuating of relay, involution from fourth finger, carry out state switching.
The function that power module has voltage stabilizing, alternating current-direct current is adaptive and power supply DC110/220 is compatible.
Corresponding remote controlled point should first be increased in telecontrol communication machine in station from before ring apparatus use, turning outer device also increases corresponding remote control
Point, improve end remote control interface.Remote control mode is consistent with conventional remote, need to do with telemechanical, from ring apparatus and hold again after associated communication
Row operation：It is preset-return to school-perform.
The station level network structures of double nets can be used in from ring apparatus, such as 220kV transformer stations save tune, adjust two-way to connect
Enter, two-way can be remotely controlled or stand mutually in 101 passages, 104 passages be remotely controlled mutually.
In the embodiment of the present application, voice distribution frame be used to realizing the connection of tone frequency channel wire and communication line in 101 passages,
The functions such as distribution, line transfer, switching.Modem is used to analog signal translate into the recognizable data signal (101 of computer
Data pass through analog signal transmission in passage), realize telecontrol communication machine and main website end equipment communication in station.Telecontrol communication machine is used for main website end
Signal modulation is downloaded, and realizes the functions such as remote measurement, remote signalling, remote control, remote regulating.Communication wiring frame is used to realize in the station in 104 passages
The functions such as the connection of 2M lines and the outer connection of standing, distribution line transfer, switching.Router is used for can be by between heterogeneous networks or the network segment
Data message carries out " translation ", enables them to the data that mutual " reading " understands other side, realizes that telecontrol communication machine and main website end are set in station
Standby communication.
By foregoing description, Substation Communication System can be realized in communication port and communicated described in the embodiment of the present application
The quick detection of failure, improves operating efficiency.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (9)
- A kind of 1. Substation Communication System, it is characterised in that including：First communication port, the second communication port, first set from ring It is standby and second from ring apparatus；Wherein,First communication port includes：In first stop in the outer device of device, first stop and the connection first stop device with First communication line of the outer device of the first stop；Second communication port includes：In second station in the outer device of device, second station and the connection second station device with Second communication line of the outer device of the second station；Described first is connected from ring apparatus by first communication line with device outside the first stop；And described first from ring Equipment is connected with device in the second station, and in the first operative state, described first is used for the first stop from ring apparatus Interior device is specially from ring：The when communication disruption failure occurs for and first communication port normal in the communication of the second communication port Under one working condition, the outer device message of first stop is abnormal, and device sends first from ring apparatus to first and made from fourth finger in second station And the first test packet signal, first makes in control first stop device from ring according to first from ring apparatus from fourth finger, if first Outer device of standing can receive the first test packet signal, then judge that outage occurs in station, conversely, then judging terminal event Barrier occurs outer at station；Described second is connected from ring apparatus by second communication line with device outside the second station, and described second from ring Equipment is connected with device in the first stop, and in a second operative state, described second is used for the second station from ring apparatus Interior device is specially from ring：The when communication disruption failure occurs for and second communication port normal in the communication of the first communication port Under two working conditions, the outer device message of second station is abnormal, and device sends second from ring apparatus to second and made from fourth finger in first stop And the second test packet signal, second controls in the second station device from ring according to second from ring apparatus from fourth finger order, if The outer device of second station can receive the second test packet signal, then judge that outage occurs in station, conversely, then judging eventually Failure is held to occur outer at station.
- 2. Substation Communication System according to claim 1, it is characterised in that first communication port is using 101 101 communication ports of stipulations；Second communication port is 104 communication ports using 104 stipulations.
- 3. Substation Communication System according to claim 2, it is characterised in that device includes in the first stop：Successively The first interchanger, the first telecontrol communication machine and the modem of connection；First communication line includes：It is connected by the first data feedback channel and the first down going channel with the modem Voice distribution frame；The first dispatching terminal being connected with the voice distribution frame.
- 4. Substation Communication System according to claim 3, it is characterised in that first data feedback channel and described first Down going channel includes two parallel sub-channels；One sub-channels of first data feedback channel dock with a sub-channels of first down going channel；On described first Another sub-channels of row of channels dock with another sub-channels of first down going channel.
- 5. Substation Communication System according to claim 3, it is characterised in that device includes in the second station：Successively The second switch of connection, the second telecontrol communication machine, real-time exchange machine and router；Second communication line includes：It is connected by the second data feedback channel and the second down going channel with the router logical Believe distributing frame；The second dispatch terminal being connected with the traffic patch bay.
- 6. Substation Communication System according to claim 5, it is characterised in that described first from ring apparatus one end with it is described Second telecontrol communication machine connects, and the other end passes through first data feedback channel and first down going channel and the first stop exterior Put connection.
- 7. Substation Communication System according to claim 5, it is characterised in that described second from ring apparatus one end with it is described First telecontrol communication machine connects, and the other end passes through second data feedback channel and second down going channel and the second station exterior Put connection.
- 8. according to the Substation Communication System described in claim any one of 1-7, it is characterised in that described first from ring apparatus bag Include：For the receiving module made received from fourth finger；It is described from fourth finger order for performing, carry out the execution module from ring control；For The receiving module and the power module of execution module power supply.
- 9. according to the Substation Communication System described in claim any one of 1-7, it is characterised in that described second from ring apparatus with Described first is identical from the structure of ring apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510369659.9A CN104901427B (en) | 2015-06-29 | 2015-06-29 | A kind of Substation Communication System |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510369659.9A CN104901427B (en) | 2015-06-29 | 2015-06-29 | A kind of Substation Communication System |
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| CN104901427A CN104901427A (en) | 2015-09-09 |
| CN104901427B true CN104901427B (en) | 2018-01-02 |
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| CN108809692B (en) * | 2018-04-23 | 2021-07-23 | 国网天津市电力公司电力科学研究院 | Fault positioning method for dispatching automation 101 protocol communication channel |
| CN108614479B (en) * | 2018-04-23 | 2021-07-23 | 国网天津市电力公司电力科学研究院 | Communication channel self-loop device with automatic switching function |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6120449A (en) * | 1984-07-06 | 1986-01-29 | Fujitsu Ltd | Duplex communication channel control system |
| CN1192549C (en) * | 2002-06-05 | 2005-03-09 | 华为技术有限公司 | Method for realizing long distance controlled loopback of communication equipment |
| CN101459744A (en) * | 2008-12-31 | 2009-06-17 | 江苏省电力公司苏州供电公司 | Device for discriminating failure between transforming plant and scheduling station |
| CN203479951U (en) * | 2013-09-30 | 2014-03-12 | 国家电网公司 | Channel switching testing device |
| CN103779963B (en) * | 2013-12-18 | 2016-01-20 | 国网上海市电力公司 | Selfadaptive computation multi-communication mode intelligent switching device |
| CN204721094U (en) * | 2015-06-29 | 2015-10-21 | 国家电网公司 | A kind of Substation Communication System |
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