CN109378900A - Intelligent substation switching equipment is online and throws the detection control method moved back - Google Patents
Intelligent substation switching equipment is online and throws the detection control method moved back Download PDFInfo
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- 230000008447 perception Effects 0.000 claims abstract description 22
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- 238000003860 storage Methods 0.000 claims abstract description 21
- 238000011897 real-time detection Methods 0.000 claims abstract description 13
- 238000007711 solidification Methods 0.000 claims description 16
- 230000008023 solidification Effects 0.000 claims description 16
- 238000004891 communication Methods 0.000 claims description 6
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- H02J13/0013—
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/18—Systems supporting electrical power generation, transmission or distribution using switches, relays or circuit breakers, e.g. intelligent electronic devices [IED]
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Abstract
It is online the invention discloses a kind of intelligent substation switching equipment and throw the detection control method moved back, comprising the following steps: analysis intelligent substation SCD file show that IED equipment and APPID correspond to table；Service-aware unit identifies the GOOSE message and SV message that IED equipment generates, and establishes switch port and APPID storage table；The corresponding relatively merging of two tables can be completed and connect and bind relationship between message exchange equipment port and IED equipment, thus online in particular port perception IED equipment；A period of time is set, timing generates switch port and IED device correspondence table, former and later two switch ports and IED device correspondence table compared, to position offline IED equipment；The technical solution that the present invention takes solves existing Layer 2 switch and is unable to the online of IED equipment that each service port of real-time detection aware switch is connected and throws move back state, and can not carry out control to offline IED equipment and lead to the problem of increasing debugging, the O&M difficulty of intelligent substation.
Description
Technical field
The present invention relates to power system automation technology fields, and in particular to a kind of intelligent substation switching equipment it is online and
Throw the detection control method moved back.
Background technique
In the intelligent substation now centered on networking, interchanger is a kind of important communication center equipment；
How is interchanger operating status, most important to the safety of intelligent substation data and information, reliability and validity, therefore
It needs to monitor the operating status of interchanger.Interchanger operating status include port it is online/off-line state, port error code
Rate, port data packet count, the status informations such as running temperature；Current intelligent substation, process-level network mostly use greatly two layers
Interchanger；Existing Layer 2 switch be unable to the IED equipment that each service port of real-time detection aware switch is connected
State is moved back in line and throwing, and can not carry out controlling debugging, the O&M difficulty for leading to increase intelligent substation to offline IED equipment
The problem of.
Summary of the invention
It is online the purpose of the present invention is to provide a kind of intelligent substation switching equipment and throw the detection control method moved back, solution
Certainly existing Layer 2 switch is unable to the online of the IED equipment that each service port of real-time detection aware switch is connected and throws
Move back state, and control can not be carried out to offline IED equipment causes the debugging for increasing intelligent substation, O&M difficulty to be asked
Topic.
In order to solve the above technical problems, the invention adopts the following technical scheme: a kind of intelligent substation switching equipment exists
The detection control method that line and throwing are moved back, comprising the following steps:
1) intelligent substation SCD file is analyzed, show that IED equipment and APPID correspond to table；
2) GOOSE message and SV message that service-aware unit identification IED equipment generates, establish switch port and APPID storage
Deposit table；
3) real-time detection IED equipment is online: reading switch port and APPID stores table, using APPID as keyword, inquire IED
Equipment and APPID correspond to table, obtain corresponding IED equipment and establish switch port and IED device correspondence table；Service-aware unit
Empty switch port and APPID storage table；
By connecting and binding relationship between particular switch port identification IED equipment and switch port, in the interchanger
The IED equipment that port perception is connected and bound is online；
4) perception IED equipment exits: setting a period of time, timing execute step 2 and 3), sequentially generate continuous interchanger
Port and IED device correspondence table；
The switch port and IED equipment list generated in former and later two time cycles is compared, if IED equipment does not appear in latter
Between in switch port and IED device correspondence table in the period, then it represents that the IED equipment off-line；
5) IED equipment throwing move back control: enter the O&M stage, by IED device-aware information hardness, obtain based on physical port with
The solidification relationship of IED apparatus bound, it is artificial to force to cancel the IED equipment of the port after navigating to the IED equipment to go wrong
Binding relationship, isolated fault point；
Further, the part Communication in the step 1) parsing SCD, obtains between IED equipment and APPID
Corresponding table；
Further, the switch device of the step 3) monitors the online information of substation's whole station smart machine in a manner of servo,
If receiving the association message of IED equipment, that is, think that the IED equipment is online in the port；
Further, a period of time is set in the step 4) as 10-20 seconds timers；The timer is every 10-20
Second execute a step 2 and 3)；
Further, for SV message, timer setting is 10 seconds；The time that switch device does not receive SV message is greater than 10
Second, then it represents that related IED equipment off-line；
Further, for GOOSE message, timer setting is 20 seconds；The time that switch device does not receive GOOSE message is big
In 20 seconds, then it represents that related IED equipment off-line；
Further technical solution is in the step 5), into the O&M stage, by the virtual secondary circuit formed into
Row solidification, when virtual secondary circuit goes wrong, virtual secondary circuit, isolated fault point are cancelled in artificial pressure.
Compared with prior art, the beneficial effects of the present invention are:
1, by increasing service-aware unit in a switch, by periodically establishing switch port and IED device correspondence table,
The IED device type that each service port of aware switch is connected, and can real-time detection to the online of specific IED equipment
And off-line state；
2, by solidification IED device-aware information, the fixed line relationship based on physical port and IED apparatus bound is obtained, once inspection
After survey navigates to the IED equipment to go wrong, the binding relationship of the artificial IED equipment for forcing to cancel the port, isolated fault point,
Realize the control to IED equipment off-line.
Detailed description of the invention
Fig. 1 is technical solution of the present invention schematic diagram.
Fig. 2 is description of the Communication in SCD.
Fig. 3 is the flow chart for establishing switch port and APPID storage table.
Fig. 4 is the detection online correspondence diagram of IED equipment.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Embodiment 1: as shown in Figure 1, a kind of intelligent substation switching equipment is online and throws the detection control method moved back, including
Following steps:
1) intelligent substation SCD file is analyzed, show that IED equipment and APPID correspond to table；As shown in table 1；
| IED equipment 0 | IED equipment 1 | IED equipment ... |
| APPID 1 | APPID 1 | APPID 1 |
| APPID 2 | APPID 2 | APPID 2 |
| APPID 3 | APPID 3 | APPID 3 |
| APPID n | APPID n | APPID n |
2) GOOSE message and SV message that service-aware unit identification IED equipment generates, establish switch port and APPID storage
Deposit table；
3) real-time detection IED equipment is online: reading switch port and APPID stores table, using APPID as keyword, inquire IED
Equipment and APPID correspond to table (such as table 1), obtain corresponding IED equipment and establish switch port and IED device correspondence table；Such as Fig. 4
Shown, by taking a certain port x as an example, at a time T, reads switch port and APPID stores table, and be key with APPID
Word, inquiry table 1 obtain switch port as shown in Table 2 and IED device correspondence table；
| Port 0 | Port 1 | Port ... | Port x |
| IED equipment 1 | IED equipment 1 | IED equipment 1 | IED equipment 1 |
| IED equipment 2 | IED equipment 2 | IED equipment 2 | IED equipment 2 |
| IED equipment ... | IED equipment ... | IED equipment ... | IED equipment ... |
| IED equipment N | IED equipment N | IED equipment N | IED equipment N |
Service-aware unit empties switch port and APPID storage table；(this is the prior art, is detailed in GOOSE, SV business sense
The related invention of perception method)
By connecting and binding relationship between particular switch port identification IED equipment and switch port, in the interchanger
The IED equipment that port perception is connected and bound is online；
4) perception IED equipment exits: setting a period of time, timing execute step 2 and 3), sequentially generate continuous interchanger
Port and IED device correspondence table；
The switch port and IED equipment list generated in former and later two time cycles is compared, if IED equipment does not appear in latter
Between in switch port and IED device correspondence table in the period, then it represents that the IED equipment off-line；
For example, within the T time period, step 2 and 3) is executed, switch port and IED device correspondence table will be generated, saved
For table n, service-aware unit will empty switch port and APPID storage table；Within the T+1 time cycle, step 2 is executed
With 3), production switch port and IED device correspondence table save as table n+1；
| Table n | Table n+1 |
| Port x | Port x |
| IED equipment 1 | IED equipment 11 |
| IED equipment 2 | IED equipment 21 |
| IED equipment ... | IED equipment ... |
| IED equipment N | IED equipment N 1 |
IED equipment appears in table n, but does not appear in table n+1, then perceives the IED equipment off-line；
5) IED equipment throwing move back control: enter the O&M stage, by IED device-aware information hardness, obtain based on physical port with
The solidification relationship of IED apparatus bound, it is artificial to force to cancel the IED equipment of the port after navigating to the IED equipment to go wrong
Binding relationship, isolated fault point；
It should be noted that may be present but be not limited to be present in intelligent substation private exchange equipment.
Embodiment 2: as illustrated in fig. 1 and 2, a kind of intelligent substation switching equipment is online and throws the detection control method moved back,
The following steps are included:
1) intelligent substation SCD file is analyzed, show that IED equipment and APPID correspond to table；
2) GOOSE message and SV message that service-aware unit identification IED equipment generates, establish switch port and APPID storage
Deposit table；
3) real-time detection IED equipment is online: reading switch port and APPID stores table, using APPID as keyword, inquire IED
Equipment and APPID correspond to table, obtain corresponding IED equipment and establish switch port and IED device correspondence table；Service-aware unit
Empty switch port and APPID storage table；
By connecting and binding relationship between particular switch port identification IED equipment and switch port, in the interchanger
The IED equipment that port perception is connected and bound is online；
4) perception IED equipment exits: setting a period of time, timing execute step 2 and 3), sequentially generate continuous interchanger
Port and IED device correspondence table；
The switch port and IED equipment list generated in former and later two time cycles is compared, if IED equipment does not appear in latter
Between in switch port and IED device correspondence table in the period, then it represents that the IED equipment off-line；
5) IED equipment throwing move back control: enter the O&M stage, by IED device-aware information hardness, obtain based on physical port with
The solidification relationship of IED apparatus bound, it is artificial to force to cancel the IED equipment of the port after navigating to the IED equipment to go wrong
Binding relationship, isolated fault point；
The part Communication in the step 1) parsing SCD, obtains the correspondence table between IED equipment and APPID；
The part Communication refers specifically to IED and how to pass through access point to be connected to network, retouches in SCD file just like shown in Fig. 2
It states.
Embodiment 3: as shown in Figure 1, a kind of intelligent substation switching equipment is online and throws the detection control method moved back, including
Following steps:
1) intelligent substation SCD file is analyzed, show that IED equipment and APPID correspond to table；
2) GOOSE message and SV message that service-aware unit identification IED equipment generates, establish switch port and APPID storage
Deposit table；
3) real-time detection IED equipment is online: reading switch port and APPID stores table, using APPID as keyword, inquire IED
Equipment and APPID correspond to table, obtain corresponding IED equipment and establish switch port and IED device correspondence table；Service-aware unit
Empty switch port and APPID storage table；
By connecting and binding relationship between particular switch port identification IED equipment and switch port, in the interchanger
The IED equipment that port perception is connected and bound is online；
4) perception IED equipment exits: setting a period of time, timing execute step 2 and 3), sequentially generate continuous interchanger
Port and IED device correspondence table；
The switch port and IED equipment list generated in former and later two time cycles is compared, if IED equipment does not appear in latter
Between in switch port and IED device correspondence table in the period, then it represents that the IED equipment off-line；
5) IED equipment throwing move back control: enter the O&M stage, by IED device-aware information hardness, obtain based on physical port with
The solidification relationship of IED apparatus bound, it is artificial to force to cancel the IED equipment of the port after navigating to the IED equipment to go wrong
Binding relationship, isolated fault point；
The switch device of the step 3) monitors the online information of substation's whole station smart machine in a manner of servo, if receiving IED
The association message of equipment thinks that the IED equipment is online in the port；Therefore detection IED equipment it is online be it is instant, have it is higher
Sensitivity.
Embodiment 4: as shown in Figure 1, a kind of intelligent substation switching equipment is online and throws the detection control method moved back, including
Following steps:
1) intelligent substation SCD file is analyzed, show that IED equipment and APPID correspond to table；
2) GOOSE message and SV message that service-aware unit identification IED equipment generates, establish switch port and APPID storage
Deposit table；
3) real-time detection IED equipment is online: reading switch port and APPID stores table, using APPID as keyword, inquire IED
Equipment and APPID correspond to table, obtain corresponding IED equipment and establish switch port and IED device correspondence table；Service-aware unit
Empty switch port and APPID storage table；
By connecting and binding relationship between particular switch port identification IED equipment and switch port, in the interchanger
The IED equipment that port perception is connected and bound is online；
4) perception IED equipment exits: setting a period of time, timing execute step 2 and 3), sequentially generate continuous interchanger
Port and IED device correspondence table；
The switch port and IED equipment list generated in former and later two time cycles is compared, if IED equipment does not appear in latter
Between in switch port and IED device correspondence table in the period, then it represents that the IED equipment off-line；
5) IED equipment throwing move back control: enter the O&M stage, by IED device-aware information hardness, obtain based on physical port with
The solidification relationship of IED apparatus bound, it is artificial to force to cancel the IED equipment of the port after navigating to the IED equipment to go wrong
Binding relationship, isolated fault point；
A period of time is set in the step 4) as 10-20 seconds timers；The timer executed primary every 10-20 seconds
Step 2 and 3)；Interchanger is needed deeply to solve by the side read and analysis and Control message perception relay protection IED equipment exits
Analysis control message, will also make switch system logic complicated, and system reliability be reduced, so that interchanger cannot achieve fast transparent
Information transmission；And intelligent power transformation can largely directly be met according to relay protection service-aware IED equipment offline
Stand debugging and O&M demand.
Embodiment 5: as shown in Figure 1, a kind of intelligent substation switching equipment is online and throws the detection control method moved back, including
Following steps:
1) intelligent substation SCD file is analyzed, show that IED equipment and APPID correspond to table；
2) GOOSE message and SV message that service-aware unit identification IED equipment generates, establish switch port and APPID storage
Deposit table；
3) real-time detection IED equipment is online: reading switch port and APPID stores table, using APPID as keyword, inquire IED
Equipment and APPID correspond to table, obtain corresponding IED equipment and establish switch port and IED device correspondence table；Service-aware unit
Empty switch port and APPID storage table；
By connecting and binding relationship between particular switch port identification IED equipment and switch port, in the interchanger
The IED equipment that port perception is connected and bound is online；
4) perception IED equipment exits: setting a period of time, timing execute step 2 and 3), sequentially generate continuous interchanger
Port and IED device correspondence table；
The switch port and IED equipment list generated in former and later two time cycles is compared, if IED equipment does not appear in latter
Between in switch port and IED device correspondence table in the period, then it represents that the IED equipment off-line；
5) IED equipment throwing move back control: enter the O&M stage, by IED device-aware information hardness, obtain based on physical port with
The solidification relationship of IED apparatus bound, it is artificial to force to cancel the IED equipment of the port after navigating to the IED equipment to go wrong
Binding relationship, isolated fault point；
A period of time is set in the step 4) as 10-20 seconds timers；The timer executed primary every 10-20 seconds
Step 2 and 3)；
For SV message, timer setting is 10 seconds；The time that switch device does not receive SV message is greater than 10 seconds, then it represents that phase
Close IED equipment off-line；SV message sampled point is not less than at 4000 points, and transmission intercal is not more than 250 μ s, and be delayed 10 sampled point errors
Protection equipment, which will alert, reports SV chain rupture, and returns after 1s, and communication channel delay is more than 3ms, and protection will alert report delay exception,
Continuous 10s delay recovery then alerts elimination, thus if intelligent substation private exchange equipment time for not receiving SV message it is big
In 10s, then it is assumed that related IED is offline.
Embodiment 6: as shown in Figure 1, a kind of intelligent substation switching equipment is online and throws the detection control method moved back, including
Following steps:
1) intelligent substation SCD file is analyzed, show that IED equipment and APPID correspond to table；
2) GOOSE message and SV message that service-aware unit identification IED equipment generates, establish switch port and APPID storage
Deposit table；
3) real-time detection IED equipment is online: reading switch port and APPID stores table, using APPID as keyword, inquire IED
Equipment and APPID correspond to table, obtain corresponding IED equipment and establish switch port and IED device correspondence table；Service-aware unit
Empty switch port and APPID storage table；
By connecting and binding relationship between particular switch port identification IED equipment and switch port, in the interchanger
The IED equipment that port perception is connected and bound is online；
4) perception IED equipment exits: setting a period of time, timing execute step 2 and 3), sequentially generate continuous interchanger
Port and IED device correspondence table；
The switch port and IED equipment list generated in former and later two time cycles is compared, if IED equipment does not appear in latter
Between in switch port and IED device correspondence table in the period, then it represents that the IED equipment off-line；
5) IED equipment throwing move back control: enter the O&M stage, by IED device-aware information hardness, obtain based on physical port with
The solidification relationship of IED apparatus bound, it is artificial to force to cancel the IED equipment of the port after navigating to the IED equipment to go wrong
Binding relationship, isolated fault point；
A period of time is set in the step 4) as 10-20 seconds timers；The timer executed primary every 10-20 seconds
Step 2 and 3)；
For GOOSE message, timer setting is 20 seconds；Switch device does not receive the time of GOOSE message greater than 20 seconds, then
Indicate correlation IED equipment off-line；The GOOSE message retransmitted for one can be attached to a Time Allowed in messages
Live(is generally 10s) parameter, the parameter inform recipient wait next repeating transmission GOOSE message maximum duration, such as
For fruit within the time, recipient does not receive the message of repeating transmission, so that it may be considered that communicating interrupt has occurred.In 2 times of Time
Next frame message is not received in the Allowed to Live time (i.e. 20 seconds), recipient issues GOOSE chain rupture alarm；Thus
If the time that intelligent substation private exchange equipment does not receive GOOSE message is greater than 20s, then it is assumed that related IED is offline, will
IED equipment is set as IED device offline.
Embodiment 7: as shown in Figure 1, a kind of intelligent substation switching equipment is online and throws the detection control method moved back, including
Following steps:
1) intelligent substation SCD file is analyzed, show that IED equipment and APPID correspond to table；
2) GOOSE message and SV message that service-aware unit identification IED equipment generates, establish switch port and APPID storage
Deposit table；
3) real-time detection IED equipment is online: reading switch port and APPID stores table, using APPID as keyword, inquire IED
Equipment and APPID correspond to table, obtain corresponding IED equipment and establish switch port and IED device correspondence table；Service-aware unit
Empty switch port and APPID storage table；
By connecting and binding relationship between particular switch port identification IED equipment and switch port, in the interchanger
The IED equipment that port perception is connected and bound is online；
4) perception IED equipment exits: setting a period of time, timing execute step 2 and 3), sequentially generate continuous interchanger
Port and IED device correspondence table；
The switch port and IED equipment list generated in former and later two time cycles is compared, if IED equipment does not appear in latter
Between in switch port and IED device correspondence table in the period, then it represents that the IED equipment off-line；
5) IED equipment throwing move back control: enter the O&M stage, by IED device-aware information hardness, obtain based on physical port with
The solidification relationship of IED apparatus bound, it is artificial to force to cancel the IED equipment of the port after navigating to the IED equipment to go wrong
Binding relationship, isolated fault point；
In the step 5), into the O&M stage, the virtual secondary circuit formed is solidified, virtual secondary circuit is worked as
It goes wrong, it is artificial to force to cancel virtual secondary circuit, isolated fault point；
In engineering debugging, due to the change and adjustment of intelligent substation practical construction and design, the configuration message having been cured
It can carry out individually unbinding and discharge original virtual secondary circuit, continue engineering debugging by the way of plug and play again,
Re-establish virtual secondary circuit；It can also partially and fully be unbinded, engineering debugging is carried out by the way of plug and play,
Configuration and the solidification of virtual secondary circuit are carried out again after the completion of engineering debugging；
It is debugged when intelligent substation field engineering and completes to enter the O&M stage, examined safely for O&M is convenient with intelligent substation
Consider, the virtual secondary circuit path formed can be carried out to solidification or by IED device-aware information hardness；In intelligent change
The primary stage of power plant project debugging, the virtual secondary circuit and IED device port perception information that debugging can be completed carry out
One by one solidify (also can choose and do not solidify, using plug and play mode), and engineering debug terminate when, selected section or
All configuration solidifications；
It is virtual for intelligent substation debugging and the solidification of the either independent virtual secondary circuit of O&M security consideration or batch
The solidification of secondary circuit, or individually PORT BINDING RELATIONSHIP releases and the releasing of batch virtual secondary circuit requires to carry out strictly
Permission control；Therefore in intelligent substation debugging and O&M stage, when the failure of IED equipment or virtual secondary circuit go out
When existing problem, problem is quickly positioned and prompts, by manually forcing the binding relationship of cancellation virtual secondary circuit, port and IED,
With isolated fault point；Realize the timely control to the equipment of offline failure.
Although reference be made herein to invention has been described for multiple explanatory embodiments of the invention, however, it is to be understood that
Those skilled in the art can be designed that a lot of other modification and implementations, these modifications and implementations will fall in this Shen
It please be within disclosed scope and spirit.More specifically, disclose in the application, drawings and claims in the range of, can
With the building block and/or a variety of variations and modifications of layout progress to theme combination layout.In addition to building block and/or layout
Outside the modification and improvement of progress, to those skilled in the art, other purposes also be will be apparent.
Claims (7)
1. a kind of intelligent substation switching equipment is online and throws the detection control method moved back, which comprises the following steps:
1) intelligent substation SCD file is analyzed, show that IED equipment and APPID correspond to table；
2) GOOSE message and SV message that service-aware unit identification IED equipment generates, establish switch port and APPID storage
Deposit table；
3) real-time detection IED equipment is online: reading switch port and APPID stores table, using APPID as keyword, inquire IED
Equipment and APPID correspond to table, obtain corresponding IED equipment and establish switch port and IED device correspondence table；Service-aware unit
Empty switch port and APPID storage table；
By connecting and binding relationship between particular switch port identification IED equipment and switch port, in the interchanger
The IED equipment that port perception is connected and bound is online；
4) perception IED equipment exits: setting a period of time, timing execute step 2 and 3), sequentially generate continuous interchanger
Port and IED device correspondence table；
The switch port and IED equipment list generated in former and later two time cycles is compared, if IED equipment does not appear in latter
Between in switch port and IED device correspondence table in the period, then it represents that the IED equipment off-line；
5) IED equipment throwing move back control: enter the O&M stage, by IED device-aware information hardness, obtain based on physical port with
The solidification relationship of IED apparatus bound, it is artificial to force to cancel the IED equipment of the port after navigating to the IED equipment to go wrong
Binding relationship, isolated fault point.
2. intelligent substation switching equipment according to claim 1 is online and throws the detection control method moved back, feature exists
In: the part Communication in the step 1) parsing SCD obtains the correspondence table between IED equipment and APPID.
3. intelligent substation switching equipment according to claim 1 is online and throws the detection control method moved back, feature exists
In: the switch device of the step 3) monitors the online information of substation's whole station smart machine in a manner of servo, sets if receiving IED
Standby association message thinks that the IED equipment is online in the port.
4. intelligent substation switching equipment according to claim 1 is online and throws the detection control method moved back, feature exists
In: a period of time is set in the step 4) as 10-20 seconds timers；The timer executed primary every 10-20 seconds
Step 2 and 3).
5. intelligent substation switching equipment according to claim 4 is online and throws the detection control method moved back, feature exists
In: for SV message, timer setting is 10 seconds；The time that switch device does not receive SV message is greater than 10 seconds, then it represents that phase
Close IED equipment off-line.
6. intelligent substation switching equipment according to claim 4 is online and throws the detection control method moved back, feature exists
In: for GOOSE message, timer setting is 20 seconds；Switch device does not receive the time of GOOSE message greater than 20 seconds, then
Indicate correlation IED equipment off-line.
7. intelligent substation switching equipment according to claim 1 is online and throws the detection control method moved back, feature exists
In: in the step 5), into the O&M stage, the virtual secondary circuit formed is solidified, virtual secondary circuit is worked as
It goes wrong, it is artificial to force to cancel virtual secondary circuit, isolated fault point.
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