CN106253247B - Intelligent substation secondary optical fiber circuit and its security isolation system and partition method - Google Patents
Intelligent substation secondary optical fiber circuit and its security isolation system and partition method Download PDFInfo
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- CN106253247B CN106253247B CN201610714749.1A CN201610714749A CN106253247B CN 106253247 B CN106253247 B CN 106253247B CN 201610714749 A CN201610714749 A CN 201610714749A CN 106253247 B CN106253247 B CN 106253247B
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 211
- 238000000034 method Methods 0.000 title claims abstract description 57
- 238000002955 isolation Methods 0.000 title claims abstract description 33
- 238000005192 partition Methods 0.000 title abstract description 5
- 230000003287 optical effect Effects 0.000 claims abstract description 62
- 238000012544 monitoring process Methods 0.000 claims abstract description 49
- 230000001681 protective effect Effects 0.000 claims abstract description 47
- 238000011084 recovery Methods 0.000 claims abstract description 13
- 241000272814 Anser sp. Species 0.000 claims description 79
- 230000003993 interaction Effects 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000009466 transformation Effects 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
- H02H7/261—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 involving signal transmission between at least two stations
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Alarm Systems (AREA)
Abstract
The invention discloses a kind of secondary optical fiber circuit of intelligent substation and its security isolation systems and partition method, belong to intelligent substation relay protection field.Protective relaying device is connected with intelligent terminal, process layer switch, combining unit respectively by optical cable, constitutes secondary optical fiber circuit.Seal in optical fiber splicing device in this three secondary optical fiber circuits be arranged light path division operation breakpoint, seal in process layer monitoring module monitor the real time information of secondary optical fiber circuit in real time judge secondary circuit it is reliable disconnect and Trusted recovery.The program can carry out security isolation to secondary optical fiber circuit, solve the problems, such as the physically-isolated missing of intelligent substation and its there are unreliability hidden danger；The operation of secondary circuit safety measure, monitoring are carried out convenient for operation maintenance personnel, intelligent substation secondary optical fiber circuit security isolation risk is reduced, improves the safety and reliability of intelligent substation operation and maintenance.
Description
Technical field
The invention belongs to intelligent substation relay protection fields, and in particular to intelligent substation secondary optical fiber circuit and its peace
Full shielding system and partition method.
Background technology
Substation safety isolation is primarily referred to as in order to ensure the person, power grid and equipment safety, in power transformation operation and check man
Awaiting Overhaul equipment and running equipment are subjected to security isolation in work.Substation secondary circuit safety measure emphasis includes mainly simulation
Amount input circuit and breaker tripping and closing open failure etc. and output circuit.
The safety measure that circuit is outputed in conventional substation always complies with the basic concept of " apparent electrical break point ", that is, thinks
In breaker tripping and closing, opens failure etc. and output circuit and must seal in hard pressing plate respectively.
Intelligent substation substitutes a large amount of secondary circuit cable with digital quantity communication mode, and the secondary of conventional substation connects firmly
Line loop is changed into the secondary optical fiber circuit of intelligent substation, and the hard pressing plate in outlet of protective device is all cancelled, protective device
Current Voltage terminal no longer exists.Intelligent substation configures the soft pressing plate of plurality of protection exit, SV receives soft pressing plate, maintenance
Pressing plate is withdrawn the security isolation for carrying out secondary circuit by the input of soft pressing plate, but only carries out isolation presence by soft pressing plate
Unreliability hidden danger.
It, can not be right if exception occurs in protective device since the normal state of soft clamp operation and protective device is closely related
Soft pressing plate is operated, and safety measure cannot be carried out；It can only be isolated by extracting the optical fiber of protective device optical port, due to pulling out
The optical fiber and protective device optical port gone out is large number of, easily occurs to restore the operating accident of wrong plug optical port when optical fiber circuit.Separately
Outside, the existing intelligent substation safety measure safety measure difference traditional with substation is huge, causes to miscarry soft pressing plate, accidentally move back
The artificial operating accident such as soft pressing plate occurs often, improves the security risk of intelligent substation operation and maintenance.
Application publication number is CN 105490387A, entitled " the online school of intelligent substation relay protection device safety measure
The patent of invention of nuclear device and method " discloses a kind of online capacity checking device of intelligent substation relay protection device safety measure,
Alarm module is checked including human-computer interaction module, safety measure preprocessing module, three kinds of Signal interface modules, safety measure.It is real
The function that the measure of intelligent substation relay protection device O＆M safe operation is checked and alerted online is showed so that intelligent substation
Relay protection device O＆M safety measure is controllable, considerable, it is ensured that intelligent substation relay protection device O＆M safety measure is just
Really it applies, reduces the probability of maloperation.
Foregoing invention patent improves the secondary safety measure technical solution of intelligent substation, emphasis to a certain extent
In the online check of secondary safety measure, there is no propose in terms of " the secondary circuit safety measure for having apparent electrical break point "
Solution.Therefore, to improve reliability, the ease for use of intelligent substation safety measure, conventional substation safety is effectively inherited
The high reliability principle of measure " apparent electrical break point " studies a kind of low cost, highly reliable isolation, the easy to operate, intelligence easily restored
Energy substation secondary optical fiber circuit security isolation implementation method is extremely urgent.
Invention content
The object of the present invention is to provide intelligent substation secondary optical fiber circuit and its security isolation system and method, to solve
Certainly physically-isolated missing and the security risk accordingly brought improve the safety of intelligent substation operation and maintenance and reliable
Property.
In order to solve the above technical problems, present invention offer intelligent substation secondary optical fiber circuit, including protective relaying device,
Intelligent terminal, process layer switch, combining unit；The jump that the breaker tripping and closing optical port of protective relaying device passes through optical cable and intelligent terminal
It closes a floodgate and receives optical port connection, constitute the protection GOOSE closing loops of secondary optical fiber circuit；The network interconnection of protective relaying device
Signal optical port is connect by optical cable with the network interconnection signal optical port of process layer switch, and the protection of secondary optical fiber circuit is constituted
GOOSE network interconnects circuit；The SV of protective relaying device receives optical port and sends optical port connection by optical cable and the SV of combining unit,
The protection SV for constituting secondary optical fiber circuit receives circuit.The protection GOOSE closing loops of above-mentioned secondary optical fiber circuit, protection
GOOSE network interconnection circuit, protection SV receive each correspondence in circuit and seal in an optical fiber splicing device；Above-mentioned secondary optical fiber circuit
Protection GOOSE closing loops, protection GOOSE network interconnection circuit, protection SV receive circuit, and to seal in process layer logical for each correspondence again
Channel monitoring module, the optical signal real time information result of monitoring is passed to be connected with the process layer path monitoring module it is man-machine
Interface module.
Further, above-mentioned relay protection device of intelligent substation obtains Current Voltage according to IEC 61850-9-2 standards
Information realizes input and output function according to the GOOSE stipulations in IEC 61850-8-1 standards.
Further, it is relay that the protection GOOSE closing loops of above-mentioned secondary optical fiber circuit and protection SV, which receive circuit,
Secondary circuit in protective device interval；The protection GOOSE network interconnection circuit of above-mentioned secondary optical fiber circuit fills for relay protection
The secondary circuit for the information interaction set.
Further, above-mentioned protective relaying device realizes the acquisition of Current Voltage in interval according to IEC 61850-9-2, presses
According to GOOSE standard implementation input and output functions；According to GOOSE standards the letter between protective relaying device is realized in process-level network
Breath interaction.
The present invention also provides a kind of intelligent substation secondary optical fiber circuit security isolation systems, and system includes for being connected on
The breaker tripping and closing optical port of protective relaying device and the breaker tripping and closing of intelligent terminal receive the protection GOOSE breaker tripping and closing secondary lights between optical port
Fine circuit, for being connected on the network interconnection signal optical port of protective relaying device and the network interconnection signal light of process layer switch
Protection GOOSE network between mouthful interconnects secondary optical fiber circuit, and for be connected on the SV of protective relaying device receive optical port with
The SV of combining unit sends the protection SV between optical port and receives secondary optical fiber circuit.The above-mentioned secondary optical fiber of protection GOOSE breaker tripping and closing
Circuit, protection GOOSE network interconnect secondary optical fiber circuit and protection SV receives each correspondence in secondary optical fiber circuit and seals in a light
Fine attachment device；The secondary optical fiber circuit of above-mentioned protection GOOSE breaker tripping and closing, the secondary optical fiber circuit of protection GOOSE network interconnecting signal,
Each correspondence seals in process layer path monitoring module again in the secondary optical fiber circuit of protection SV receptions, by the optical signal real time information of monitoring
As a result the human-machine interface module being connected with the process layer path monitoring module is passed to.
Further, the secondary optical fiber circuit real time information of above process layer path monitoring module monitors includes secondary optical fiber
The luminous power and data channel parameters in circuit.
Further, if the luminous power numerical value that process layer path monitoring module monitors in real time is 0dBm, secondary optical fiber circuit
It reliably disconnects；If before monitoring that the Appid in GOOSE, SV data channel message, MAC Address are restored to optical fiber circuit disconnection
Numerical value, secondary optical fiber circuit Trusted recovery.
Further, above-mentioned optical fiber splicing device includes a fiber-optical socket and a matching Optical fiber plug, light
It is defined as matching resultant motion being divided to, close plug between 2 points between fine plug and fiber-optical socket.
Further, above-mentioned optical fiber splicing device is equipped with the observation window for checking the apparent cut-off point of optical fiber circuit.
The present invention also provides a kind of intelligent substation secondary optical fiber circuit security isolation methods, in protective relaying device and intelligence
Can in terminal, process layer switch, the secondary optical fiber circuit between combining unit setting light path can division operation breakpoint, and supervise
Reliable disconnection and the Trusted recovery of secondary circuit are judged depending on the real time information of secondary optical fiber circuit.Above-mentioned secondary optical fiber circuit
Real time information includes the luminous power and data channel parameters of secondary optical fiber circuit.If the luminous power numerical value monitored in real time is 0dBm,
Secondary optical fiber circuit reliably disconnects；If monitoring, the Appid in GOOSE, SV data channel message, MAC Address are restored to light
Fine circuit disconnect before numerical value, secondary optical fiber circuit Trusted recovery.
The beneficial effects of the invention are as follows：
The intelligent substation secondary optical fiber circuit and its security isolation system and method for the present invention, in secondary optical fiber circuit
Optical fiber splicing device is sealed in disconnect and restore secondary optical fiber circuit, and light is monitored by process layer path monitoring module in real time
The luminous power and data channel parameter in fine circuit, judge through this real time information secondary optical fiber circuit whether security isolation and safety
Restore.The program can carry out security isolation to secondary optical fiber circuit, efficiently solve the physically-isolated missing of intelligent substation
And its there are problems that unreliability hidden danger；The operation of secondary circuit safety measure, monitoring are carried out convenient for operation maintenance personnel, reduces intelligence
Substation secondary optical fiber circuit security isolation risk improves the safety and reliability of intelligent substation operation and maintenance.
Description of the drawings
Fig. 1 is the GOOSE breaker tripping and closing exits isolation pressing plate schematic diagram of the present invention；
Fig. 2 is the intelligent substation secondary optical fiber circuit security isolation system diagram of the present invention.
Specific implementation mode
Below in conjunction with the accompanying drawings, secondary involved by the specific implementation mode to the present invention by the specific descriptions of embodiment
Optical fiber circuit, secondary optical fiber circuit shielding system and partition method etc. are further elaborated.
Embodiment 1：
Intelligent substation secondary optical fiber circuit includes protective relaying device, intelligent terminal, process layer switch, merges list
Member.
The jump that the breaker tripping and closing optical port of protective relaying device passes through optical cable and fixed port 1, fixed port 1-1, intelligent terminal
It closes a floodgate and receives optical port connection, constitute the protection GOOSE closing loops of secondary optical fiber circuit；The network interconnection of protective relaying device
Signal optical port is connect by optical cable with the network interconnection signal optical port of fixed port 2, fixed port 2-2, process layer switch, structure
Circuit is interconnected at the protection GOOSE network of secondary optical fiber circuit；The SV of protective relaying device receives optical port and passes through optical cable and fixation
The SV transmission optical port connections of port 3, fixed port 3-3, combining unit, the protection SV for constituting secondary optical fiber circuit receive circuit.
Respectively correspondence seals in an optical fiber splicing device in above-mentioned three secondary optical fiber circuits, and optical fiber splicing device includes
One fiber-optical socket and a matching Optical fiber plug.It is defined as being divided to, closing at 2 points between Optical fiber plug and fiber-optical socket
Between plug match resultant motion.
By taking GOOSE breaker tripping and closing optical fiber splicing devices as an example, as shown in Figure 1, the optical fiber of fixed port 1 and optical fiber splicing device
Socket one end is connected, and slidingtype optical fiber head one end of optical fiber splicing device is connected with process layer path monitoring module.Moreover, in light
It is provided with observation window in fine attachment device.The disconnection and recovery of protection GOOSE closing loops are realized by optical fiber splicing device,
The apparent cut-off point of optical fiber circuit is checked by observation window.GOOSE network interconnecting signal optical fiber splicing device and SV reception optical fibers connect
The operation principle of connection device is identical, and which is not described herein again.
Relay protection device of intelligent substation obtains current-voltage information according to IEC 61850-9-2 standards, according to IEC
GOOSE stipulations in 61850-8-1 standards realize input and output function.The secondary optical fiber circuit of relay protection device of intelligent substation
Including the secondary circuit between the secondary circuit and protective relaying device in protective relaying device interval.Protect GOOSE breaker tripping and closing
It is the secondary circuit in protective relaying device interval that circuit and protection SV, which receive circuit,；The protection GOOSE nets of secondary optical fiber circuit
Network interconnects the secondary circuit for the information interaction that circuit is protective relaying device.Protective relaying device is according to IEC 61850-9-2
The acquisition for realizing Current Voltage in interval, according to GOOSE standard implementation input and output functions；According to GOOSE standards in process layer
Information exchange between real-time performance protective relaying device.
All respectively correspondence seals in a process layer path monitoring module to above-mentioned three secondary optical fiber circuits, monitors in real time secondary
The GOOSE data flows and IEC 61850-9-2 data flows of optical fiber circuit, are transmitted secondary circuit real time information by internal cabling
To human-machine interface module.Process layer path monitoring module monitors optical fiber circuit luminous power and data channel parameters in real time.If process
The luminous power numerical value that layer path monitoring module monitors in real time is 0dBm, and secondary optical fiber circuit reliably disconnects；If monitoring
Appid, MAC Address in GOOSE, SV data channel message are restored to the numerical value before optical fiber circuit disconnects, secondary optical fiber circuit
Trusted recovery.Human-machine interface module carries out real-time Communication for Power with process layer path monitoring module, generates real-time optical fiber secondary circuit
Channel status letter, and with the secondary optical fiber circuit connection status of graphic software platform.
Embodiment 2：
The present invention also provides a kind of intelligent substation secondary optical fiber circuit shielding system, system includes for being connected on relay
The breaker tripping and closing optical port of protective device and the breaker tripping and closing of intelligent terminal receive the secondary optical fiber of protection GOOSE breaker tripping and closing between optical port and return
Road, for be connected on the network interconnection signal optical port of protective relaying device and process layer switch network interconnection signal optical port it
Between the secondary optical fiber circuit of protection GOOSE network interconnecting signal, and for be connected on protective relaying device SV receive optical port with
The SV of combining unit sends the protection SV between optical port and receives secondary optical fiber circuit.
In the secondary optical fiber circuit of protection GOOSE breaker tripping and closing, the secondary optical fiber circuit of protection GOOSE network interconnecting signal, protection
Respectively correspondence seals in an optical fiber splicing device in the secondary optical fiber circuit of SV receptions.
Its principle is illustrated by taking GOOSE breaker tripping and closing optical fiber splicing devices as an example.GOOSE breaker tripping and closing optical fiber splicing devices are connected on
Between fixed port 1 and process layer path monitoring module.Moreover, being equipped with observation window position on optical fiber splicing device.Optical fiber connects
Device is made of fiber-optical socket and matching slidingtype optical fiber head, be defined as between Optical fiber plug and fiber-optical socket point,
Resultant motion is matched in the plug closed between 2 points.
When the optical fiber head of optical fiber splicing device is slided to a point direction, that is, the slidingtype optical fiber head that links is pulled out from fiber-optical socket
Go out, disconnects the optical fiber circuit between fixed port 1 and process layer path monitoring module, tripping protection GOOSE breaker tripping and closing secondary lights
Fine circuit, by observation window it can be seen that " apparent optical fiber connection breakpoint ".When the optical fiber head of optical fiber splicing device is slided to direction is closed
When dynamic, that is, the slidingtype optical fiber head that links is inserted into fiber-optical socket, restores the light between fixed port 1 and process layer path monitoring module
Fine circuit.
Similarly, GOOSE network interconnecting signal optical fiber splicing device is identical with SV reception optical fiber attachment device principles, no longer
It repeats.
System further includes interconnecting secondary optical fiber in the secondary optical fiber circuit of protection GOOSE breaker tripping and closing, protection GOOSE network and returning
Road, protection SV are received in secondary optical fiber circuit and are sealed in process layer path monitoring module, monitor the data of secondary optical fiber circuit in real time
Stream, specifically includes optical fiber circuit luminous power and data channel parameters.If the luminous power numerical value monitored in real time is 0dBm, secondary optical fiber
Circuit reliably disconnects；If it is disconnected to monitor that the Appid in GOOSE, SV data channel message, MAC Address are restored to optical fiber circuit
Numerical value before opening, secondary optical fiber circuit Trusted recovery.Then secondary circuit real time information is passed to by people by internal cabling
Machine interface module.Human-machine interface module carries out real-time Communication for Power with process layer path monitoring module, generates real-time optical fiber secondary circuit
Channel status information, and with the secondary optical fiber circuit connection status of graphic software platform.
Embodiment 3：
The present invention also provides a kind of intelligent substation secondary optical fiber circuit security isolation methods, in protective relaying device and intelligence
Can in terminal, process layer switch, the secondary optical fiber circuit between combining unit setting light path can division operation breakpoint, and lead to
It crosses and monitors the real time information of secondary optical fiber circuit come the reliable disconnection for judging secondary circuit and Trusted recovery.In secondary optical fiber circuit
Can division operation breakpoint realize that the real time information in circuit passes through by sealing in optical fiber splicing device in secondary optical fiber circuit
The process layer path monitoring module of secondary optical fiber circuit is connected on to monitor, and the real time information is passed to and is led to process layer
The connected human-machine interface module of channel monitoring module.The real time information of secondary optical fiber circuit include secondary optical fiber circuit luminous power and
Data channel parameter.If the luminous power numerical value monitored in real time is 0dBm, secondary optical fiber circuit reliably disconnects；If monitoring
Appid, MAC Address in GOOSE, SV data channel message are restored to the numerical value before optical fiber circuit disconnects, secondary optical fiber circuit
Trusted recovery.
It is illustrated in figure 2 intelligent substation secondary optical fiber circuit security isolation system diagram.
The fixing end that the breaker tripping and closing optical port of relay protection passes through optical cable and secondary optical fiber circuit security isolation module
The breaker tripping and closing of mouth 1, GOOSE breaker tripping and closing optical fiber splicing device, process layer path monitoring module, fixed port 1-1, intelligent terminal connect
It receives optical port to be cascaded, constitutes the protection GOOSE closing loops of secondary optical fiber circuit.
When the optical fiber head of GOOSE breaker tripping and closing optical fiber splicing devices is slided to a point direction, protective device secondary circuit is disconnected
Protection GOOSE closing loops realize route protection breaker tripping and closing by observation window it can be seen that " apparent optical fiber connection breakpoint "
The security isolation in circuit.Process layer path monitoring module monitors optical fiber circuit luminous power and data channel parameter in real time, if monitoring
When luminous power numerical value to GOOSE breaker tripping and closing outlet optical fiber circuit is 0dBm, secondary optical fiber circuit reliably disconnects, synchronizes and sends out
GOOSE breaker tripping and closing exit passageway interrupt signals.
The fixation that the network interconnection optical port of relay protection passes through optical cable and secondary optical fiber circuit security isolation module
Port 2, GOOSE network interconnection optical fiber splicing device, process layer path monitoring module, fixed port 2-2, process layer switch
Network interconnection signal optical port is cascaded, and constitutes the protection GOOSE network interconnection circuit of secondary optical fiber circuit.
When the optical fiber head of GOOSE network interconnecting signal optical fibre optical fibre attachment device is slided to a point direction, protection dress is disconnected
The protection GOOSE network interconnection circuit for setting secondary circuit, by observation window it can be seen that " apparent optical fiber connection breakpoint ", realizes line
Protect the security isolation in network interconnection circuit in road.Process layer path monitoring module monitors that optical fiber circuit luminous power and data are logical in real time
Road parameter, if monitoring, the luminous power numerical value of GOOSE network interconnection outlet optical fiber circuit is 0dBm, and secondary optical fiber circuit is reliable
It disconnects, synchronizes and send out GOOSE network interconnection exit passageway interrupt signal.
The SV of relay protection receives fixing end of the optical port by optical cable and secondary optical fiber circuit security isolation module
The SV transmission optical port strings of mouth 3, SV reception optical fibers attachment device, process layer path monitoring module, fixed port 3-3, combining unit
It is linked togather, the protection SV for constituting secondary optical fiber circuit receives circuit.
When the optical fiber head of SV reception optical fiber attachment devices is slided to a point direction, the protection SV of protective device secondary circuit is disconnected
Receive circuit, by observation window it can be seen that " apparent optical fiber connection breakpoint ", realize route protection SV receive the safety in circuit every
From.Process layer path monitoring module monitors optical fiber circuit luminous power in real time, if monitoring, protection SV receives the luminous power number in circuit
When value is 0dBm, secondary optical fiber circuit reliably disconnects, synchronizes and sends out SV reception exit passageway interrupt signals.
When GOOSE breaker tripping and closing optical fiber splicing device, GOOSE network interconnecting signal optical fiber splicing device, SV reception optical fibers connect
For the optical fiber head of connection device to when closing direction sliding, linkage slidingtype optical fiber head is inserted into fiber-optical socket, restores protective device secondary light
Fine circuit.Process layer path monitoring module monitors that GOOSE breaker tripping and closing exit passageway, the outlet of GOOSE network interconnecting signal are logical in real time
Road, SV receiving channel data messages, if monitoring, the Appid in channel data message, MAC Address are restored to optical fiber circuit disconnection
Preceding numerical value, secondary optical fiber circuit Trusted recovery.
Claims (10)
1. intelligent substation secondary optical fiber circuit, the secondary optical fiber circuit includes protective relaying device, intelligent terminal, process layer
Interchanger, combining unit；
The breaker tripping and closing optical port of protective relaying device receives optical port connection by the breaker tripping and closing of optical cable and intelligent terminal, constitutes secondary light
The protection GOOSE closing loops in fine circuit；
The network interconnection signal optical port of protective relaying device is connected by the network interconnection signal optical port of optical cable and process layer switch
It connects, constitutes the protection GOOSE network interconnection circuit of secondary optical fiber circuit；
The SV of protective relaying device receives optical port and sends optical port connection by optical cable and the SV of combining unit, constitutes secondary optical fiber and returns
The protection SV on road receives circuit；
It is characterized in that,
Protection GOOSE closing loops, protection GOOSE network interconnection circuit, the protection SV of the secondary optical fiber circuit are received back
Each correspondence in road seals in an optical fiber splicing device；
Protection GOOSE closing loops, protection GOOSE network interconnection circuit, the protection SV of the secondary optical fiber circuit are received back
Each correspondence seals in a process layer path monitoring module again on road, and the optical signal real time information result of monitoring is passed to and the mistake
The connected human-machine interface module of journey layer path monitoring module.
2. intelligent substation secondary optical fiber circuit according to claim 1, which is characterized in that the intelligent substation relay
Protective device obtains current-voltage information according to IEC 61850-9-2 standards, is advised according to the GOOSE in IEC61850-8-1 standards
About realize input and output function.
3. intelligent substation secondary optical fiber circuit according to claim 1, which is characterized in that the secondary optical fiber circuit
It is the secondary circuit in protective relaying device interval to protect GOOSE closing loops and SV is protected to receive circuit；The secondary light
The protection GOOSE network interconnection circuit in fine circuit is the secondary circuit of the information interaction of protective relaying device.
4. intelligent substation secondary optical fiber circuit according to claim 1, which is characterized in that the protective relaying device is pressed
The acquisition that Current Voltage in interval is realized according to IEC 61850-9-2, according to GOOSE standard implementation input and output functions；According to
GOOSE standards realize the information exchange between protective relaying device in process-level network.
5. a kind of intelligent substation secondary optical fiber circuit security isolation system, the system comprises for being connected on relay protection dress
The breaker tripping and closing of the breaker tripping and closing optical port set and intelligent terminal receive the secondary optical fiber circuit of protection GOOSE breaker tripping and closing between optical port, use
Between the network interconnection signal optical port of the network interconnection signal optical port and process layer switch that are connected on protective relaying device
The secondary optical fiber circuit of GOOSE network interconnecting signal is protected, and optical port and is merged for being connected on the SV of protective relaying device and receiving
The SV of unit sends the protection SV between optical port and receives secondary optical fiber circuit, which is characterized in that
The secondary optical fiber circuit of the protection GOOSE breaker tripping and closing, the secondary optical fiber circuit of protection GOOSE network interconnecting signal, protection SV
It receives each correspondence in secondary optical fiber circuit and seals in an optical fiber splicing device；
The secondary optical fiber circuit of the protection GOOSE breaker tripping and closing, the secondary optical fiber circuit of protection GOOSE network interconnecting signal, protection SV
It receives each correspondence in secondary optical fiber circuit and seals in process layer path monitoring module, the optical signal real time information result of monitoring is transmitted
Give the connected human-machine interface module of the process layer path monitoring module.
6. intelligent substation secondary optical fiber circuit security isolation system according to claim 5, which is characterized in that the mistake
The secondary optical fiber circuit real time information of journey layer path monitoring module monitors includes the luminous power and data channel of secondary optical fiber circuit
Parameter.
7. intelligent substation secondary optical fiber circuit security isolation system according to claim 6, which is characterized in that if process
The luminous power numerical value that layer path monitoring module monitors in real time is 0dBm, and secondary optical fiber circuit reliably disconnects；If monitoring
Appid, MAC Address in GOOSE, SV data channel message are restored to the numerical value before optical fiber circuit disconnects, secondary optical fiber circuit
Trusted recovery.
8. intelligent substation secondary optical fiber circuit security isolation system according to claim 5, which is characterized in that the light
Fine attachment device includes a fiber-optical socket and a matching Optical fiber plug, between the Optical fiber plug and fiber-optical socket
It is defined as matching resultant motion being divided to, close plug between 2 points.
9. intelligent substation secondary optical fiber circuit security isolation system according to claim 8, which is characterized in that the light
Fine attachment device is equipped with the observation window for checking the apparent cut-off point of optical fiber circuit.
10. a kind of intelligent substation secondary optical fiber circuit security isolation method, which is characterized in that
Light is set in secondary optical fiber circuit between protective relaying device and intelligent terminal, process layer switch, combining unit
Road can division operation breakpoint, and monitor the optical signal real time information of secondary optical fiber circuit to judge the reliable disconnection of secondary circuit
And Trusted recovery；
The real time information of the secondary optical fiber circuit includes the luminous power and data channel parameters of secondary optical fiber circuit；
If the luminous power numerical value monitored in real time is 0dBm, secondary optical fiber circuit reliably disconnects；If monitoring GOOSE, SV data
Appid, MAC Address in the message of channel are restored to the numerical value before optical fiber circuit disconnects, secondary optical fiber circuit Trusted recovery.
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| CN109842099B (en) * | 2017-11-27 | 2021-08-03 | 许继集团有限公司 | Method for realizing line protection dual secondary circuit |
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| CN102854568A (en) * | 2012-09-29 | 2013-01-02 | 江苏省电力公司电力科学研究院 | Passive optical fiber switch of intelligent substation and safety measure isolating method thereof |
| CN103312556B (en) * | 2013-05-09 | 2016-09-21 | 国家电网公司 | A kind of fiber optic Ethernet real-time performance monitors and the device and method of test transformer station |
| CN103326920B (en) * | 2013-07-12 | 2016-02-10 | 国家电网公司 | Based on the transformer station process layer network collocation method of virtual local area network technology |
| CN104092585A (en) * | 2014-07-17 | 2014-10-08 | 国家电网公司 | Smart substation process level secondary circuit fault diagnosis method |
| CN104320185A (en) * | 2014-10-24 | 2015-01-28 | 西安光谷通信技术有限公司 | Optical fiber circuit monitoring system |
| CN104993590B (en) * | 2015-06-30 | 2017-09-15 | 许昌许继软件技术有限公司 | Protective relaying device secondary circuit self-monitoring method based on CID models |
| CN105490387B (en) * | 2015-12-29 | 2018-02-02 | 武汉凯默电气有限公司 | The online capacity checking device of intelligent substation relay protection device safety measure and method |
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2016
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