CN104426738A - Wide area protection communication method based on transmission network - Google Patents
Wide area protection communication method based on transmission network Download PDFInfo
- Publication number
- CN104426738A CN104426738A CN201310403918.6A CN201310403918A CN104426738A CN 104426738 A CN104426738 A CN 104426738A CN 201310403918 A CN201310403918 A CN 201310403918A CN 104426738 A CN104426738 A CN 104426738A
- Authority
- CN
- China
- Prior art keywords
- eos
- board
- mstp
- equipment
- multicast message
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Small-Scale Networks (AREA)
Abstract
The invention discloses a wide area protection communication method based on a transmission network. Multiple pieces of MSTP (Multi-Service Transport Platform) equipment are connected through the transmission network; each piece of MSTP equipment comprises an EoS board card; each EoS board card is provided with an FE port, and different quantities of VCTRUNKs are opened as required; each MSTP equipment is connected with corresponding substation area protection equipment through the FE port in the EoS board card. The communication method comprises a transmitting method and a receiving method, wherein the transmitting method comprises the following steps: receiving a multicast message provided with a VLAN (Virtual Local Area Network) tag and sent by the substation area protection equipment through the FE ports of the EoS board cards by all the MSTP equipment, and transmitting the message to the EoS board cards of the different MSTP equipment through the different VCTRUNKs; the receiving method comprises the following steps: receiving a multicast message through the VCTRUNKs by the EoS board cards of all the MSTP equipment and deciding the transmission direction of the multicast message according to the VLAN setting of the EoS board cards. By adopting the communication method, peer-to-peer communication of the substation area protection equipment among different transformer substations can be realized, and a one-transmission multi-reception communication mode is realized.
Description
Technical field
The invention belongs to intelligent substation wide area protection technical field, particularly a kind of wide area protection communication means based on transmission network.
Background technology
What require along with power supply reliability improves constantly, and power system transformer substation protection is protected future development by original GPF (General Protection False to intelligent substation and achieved remarkable achievement, but development not breakthrough in coordinating protection between station.
Between restriction station, a key reason of coordinating protection development is transfer reliability and the promptness problem of information between station; existingly depend on the power system service that transmission network carries out business transmission and have stabilized control system, dispatching patcher etc. all to adopt point-to-point private line service mode to realize, the communication pattern of the L2 layer multicast message multicast of interior communication cannot be met.
Current stabilized control system generally adopts point-to-point fiber data Network Communication, can meet certain real-time and the requirement of reliability.But point-to-point transmission relation topology is complicated, inconvenience is safeguarded, to increase once plant stand or strategy changes and needs the plant stand with obstructed letter before to carry out data interaction, must increase the point-to-point communication of this website to all plant stands, workload is large, is unfavorable for system upgrade.
Current wide-area communication dispatch data net is the radial point-to-point mode of each plant stand to dispatching terminal, and the radial point-to-point mode of dispatch data net mainly carries out data communication in plant stand side and main website side, and the swapping data of plant stand is little.Protection control system based on Wide-area Measurement Information needs a large amount of real time datas to transmit between plant stand; when the topological structure of dispatch data net carries out transfer of data between plant stand; all data all need first to converge to main website router or switch; other transformer stations could be distributed to again; in this topological structure, the data traffic of main website is large; require higher; the communication link of whole communications platform can be affected after inefficacy; the method of head it off can only be adopt redundant fashion; this will roll up investment, and complex structure.
Therefore, need to study a kind of communication means meeting wide area protection communication requirement, realize the communication mode of point to multi--point, this case produces thus.
Summary of the invention
Object of the present invention, be to provide a kind of wide area protection communication means based on transmission network, it can realize the peer-to-peer communications of territory, the station proterctive equipment between different substation, realizes the communication pattern of multicast.
In order to reach above-mentioned purpose, solution of the present invention is:
A kind of wide area protection communication means based on transmission network, several MSTP equipment are all connected by described transmission network, every platform MSTP equipment includes EoS board, this EoS board has Fast Ethernet port, and offering the VCTRUNK of different number as required, described MSTP connects the station territory proterctive equipment corresponding with it by the Fast Ethernet port on EoS board; Described communication means comprises sending method and method of reseptance, wherein, sending method comprises following content: MSTP equipment receives the multicast message with VLAN label of its territory, station proterctive equipment transmission by the Fast Ethernet port of EoS board, is transferred on the EoS board of different MSTP equipment by different VCTRUNK; Method of reseptance comprises following content: the EoS board of MSTP equipment by VCTRUNK receiving group message, and arranges the transmission direction determining this multicast message according to the VLAN of EoS board.
In above-mentioned method of reseptance, after MSTP equipment receives multicast message, judge Fast Ethernet port and all VCTRUNK whether within the scope of its forwarding according to its VLAN label carried, and this multicast message is forwarded to the direction within the scope of its forwarding.
After adopting such scheme; the present invention has the EoS board of VLAN tag processes and exchange capacity by adopting; VLAN setting is carried out to it; peer-to-peer communications mode between territory, the station proterctive equipment realizing multicast, solves current wide area protection and adopts the problem that point-to-point communication configuration is complicated, maintainability is poor.
Accompanying drawing explanation
Fig. 1 is wide area protection network diagram in the present invention;
Fig. 2 is point-to-multipoint delivery schematic diagram in the present invention.
Embodiment
Below with reference to accompanying drawing, technical scheme of the present invention is described in detail.
The invention provides a kind of wide area protection communication means based on transmission network, wherein, as shown in Figure 1, it is the Organization Chart of the wide area protection network that the present invention applies, several MSTP equipment are all connected by described transmission network, and every platform MSTP equipment includes EoS board, and this EoS board has Fast Ethernet port, and offering the VCTRUNK of different number as required, described MSTP connects the station territory proterctive equipment corresponding with it by the Fast Ethernet port on EoS board, described communication means comprises sending method and method of reseptance, wherein, sending method comprises following content: MSTP equipment receives the multicast message with VLAN label of its territory, station proterctive equipment transmission by the Fast Ethernet port of EoS board, is transferred on the EoS board of different MSTP equipment by different VCTRUNK, method of reseptance comprises following content: the EoS board of MSTP equipment is by VCTRUNK receiving group message, and according to the VLAN label that this multicast message carries, receive VLAN in conjunction with Fast Ethernet port on EoS board and the transmission direction determining this multicast message with the VLAN facilities of other VCTRUNK is set, if Fast Ethernet port is within the scope of the forwarding of described VLAN label, then this multicast message is transferred to local station territory proterctive equipment by Fast Ethernet port by EoS board, if a certain VCTRUNK is within the scope of the forwarding of described VLAN label, then multicast message is continued transmission by this VCTRUNK by EoS board, if Fast Ethernet port and all VCTRUNK all not within the scope of its forwarding, then abandon this multicast message.
In order to describe realization of the present invention better, illustrate performing step.
As shown in Figure 2, the multicast message (this VLAN VID-1 represents) of territory, the station proterctive equipment transmit band VLAN label of MSTP-2 equipment access, represents with chain-dotted line and arrow.MSTP-2 arranges the message carrying VID-1 and sends to VCTRUNK1, VCTRUNK2, VCTRUNK3; MSTP-1 arranges the message carrying VID-1 and forwards to VCTRUNK1, FE; MSTP-3 arranges the message carrying VID-1 and forwards to FE, VCTRUNK3; MSTP-4 arranges the message carrying VID-1 and forwards to FE.
The EoS board of MSTP-2 equipment receives the multicast message of coming in from Fast Ethernet port, arrange according to EoS board VLAN, this multicast message is forwarded to VCTRUNK1, VCTRUNK2, VCTRUNK3 tri-directions, be sent to the EoS board of MSTP-1 equipment respectively, on the EoS board of transmission network and MSTP-3 equipment.
The EoS board of MSTP-1 equipment receives the multicast message of coming in from VCTRUNK2, arranges, this multicast message is forwarded to Fast Ethernet port and VCTRUNK1 according to EoS board VLAN.Territory, the station proterctive equipment that multicast message sends to it to connect by Fast Ethernet port, multicast message is sent to transmission network by VCTRUNK1, and the VLAN by transmission equipment arranges by transmission network carries out multicast message forwarding.
The EoS board of MSTP-3 equipment receives the multicast message of coming in from VCTRUNK1, arranges, multicast message is forwarded to FE, VCTRUNK3 according to EoS board VLAN.VCTRUNK2 is not in the forwarding scope of this VLAN, and therefore, this message will not forward to VCTRUNK2.Territory, the station proterctive equipment that multicast message sends to it to connect by Fast Ethernet port, multicast message sends on the EoS board of MSTP-4 equipment by VCTRUNK3.
The EoS board of MSTP-4 equipment receives the multicast message of coming in from VCTRUNK1; arrange according to EoS board VLAN; multicast message is forwarded to Fast Ethernet port; VCTRUNK2 is not in the forwarding scope of this VLAN; therefore; this message will not forward to VCTRUNK2, territory, the station proterctive equipment that multicast message sends to it to connect by Fast Ethernet port.
More than complete the transmitting procedure that MSTP-2 docking station territory proterctive equipment sends message, EoS board arranges by the difference of VLAN the transmission direction determining multicast message in this process, achieves the networking mode a bit sending multipoint reception.
Again as shown in Figure 2, the multicast message (this VLAN VID-2 represents) of territory, the station protection transmit band VLAN label of MSTP-3 transmission equipment access, represents with dotted line and arrow.MSTP-3 arranges the message carrying VID-2 and sends to VCTRUNK1, VCTRUNK2, VCTRUNK3; MSTP-2 arranges the message carrying VID-2 and forwards to Fast Ethernet port; MSTP-4 arranges the message carrying VID-2 and forwards to Fast Ethernet port; MSTP-1 will not transmit the message of VID-2, does not therefore need the forwarding behavior arranging VID-2.
The EoS board of MSTP-3 equipment receives the multicast message of coming in from Fast Ethernet port, arrange according to EoS board VLAN, this multicast message is forwarded to VCTRUNK1, VCTRUNK2, VCTRUNK3 tri-directions, be sent to the EoS board of MSTP-2 equipment respectively, on the EoS board of transmission network and MSTP-4 equipment.
The EoS board of MSTP-2 equipment receives the multicast message of coming in from VCTRUNK3, arranges, this multicast message is forwarded to Fast Ethernet port according to EoS board VLAN.Territory, the station proterctive equipment that multicast message sends to it to connect by Fast Ethernet port, VCTRUNK1, VCTRUNK2 be not in the forwarding scope of this VLAN, and therefore, this message will not forward to VCTRUNK1, VCTRUNK2.
The EoS board of MSTP-4 equipment receives the multicast message of coming in from VCTRUNK1; arrange according to EoS board VLAN; multicast message is forwarded to Fast Ethernet port; VCTRUNK2 is not in the forwarding scope of this VLAN; therefore; this message will not forward to VCTRUNK2, territory, the station proterctive equipment that multicast message sends to it to connect by Fast Ethernet port.
More than complete the transmitting procedure that MSTP-3 docking station territory proterctive equipment sends message, EoS board arranges by the difference of VLAN the transmission direction determining multicast message in this process, achieves the networking mode a bit sending multipoint reception.
It should be noted that, the above embodiment only have expressed embodiments of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (2)
1. the wide area protection communication means based on transmission network, several MSTP equipment are all connected by described transmission network, every platform MSTP equipment includes EoS board, this EoS board has Fast Ethernet port, and offering the VCTRUNK of different number as required, described MSTP connects the station territory proterctive equipment corresponding with it by the Fast Ethernet port on EoS board; It is characterized in that: described communication means comprises sending method and method of reseptance;
Sending method comprises following content: MSTP equipment receives the multicast message with VLAN label of its territory, station proterctive equipment transmission by the Fast Ethernet port of EoS board, is transferred on the EoS board of different MSTP equipment by different VCTRUNK;
Method of reseptance comprises following content: the EoS board of MSTP equipment by VCTRUNK receiving group message, and arranges the transmission direction determining this multicast message according to the VLAN of EoS board.
2. a kind of wide area protection communication means based on transmission network as claimed in claim 1; it is characterized in that: in described method of reseptance; after MSTP equipment receives multicast message; judge Fast Ethernet port and all VCTRUNK whether within the scope of its forwarding according to its VLAN label carried, and this multicast message is forwarded to the direction within the scope of its forwarding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310403918.6A CN104426738B (en) | 2013-09-06 | 2013-09-06 | A kind of wide area protection communication means based on transmission network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310403918.6A CN104426738B (en) | 2013-09-06 | 2013-09-06 | A kind of wide area protection communication means based on transmission network |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104426738A true CN104426738A (en) | 2015-03-18 |
| CN104426738B CN104426738B (en) | 2017-10-17 |
Family
ID=52974743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310403918.6A Active CN104426738B (en) | 2013-09-06 | 2013-09-06 | A kind of wide area protection communication means based on transmission network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104426738B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100007333A1 (en) * | 2007-09-05 | 2010-01-14 | Katsuhiko Sekiguchi | Wide area protection control measurement system and method |
| CN102291255A (en) * | 2011-07-22 | 2011-12-21 | 中国电力科学研究院 | Communication network node device for wide-area protection of electric power system and realizing method thereof |
| CN102546147A (en) * | 2012-02-17 | 2012-07-04 | 黑龙江省电力有限公司 | Method for realizing accurate network timing of wide-area protection system on basis of SDH (Synchronous Digital Hierarchy) network |
-
2013
- 2013-09-06 CN CN201310403918.6A patent/CN104426738B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100007333A1 (en) * | 2007-09-05 | 2010-01-14 | Katsuhiko Sekiguchi | Wide area protection control measurement system and method |
| CN102291255A (en) * | 2011-07-22 | 2011-12-21 | 中国电力科学研究院 | Communication network node device for wide-area protection of electric power system and realizing method thereof |
| CN102546147A (en) * | 2012-02-17 | 2012-07-04 | 黑龙江省电力有限公司 | Method for realizing accurate network timing of wide-area protection system on basis of SDH (Synchronous Digital Hierarchy) network |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104426738B (en) | 2017-10-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101616014B (en) | Method for realizing cross-virtual private local area network multicast | |
| CN104378752A (en) | Network roaming system and method | |
| CN109347521A (en) | A kind of meter module equipment and its application method based on power line high speed carrier Yu spread spectrum radio communication bimodulus | |
| CN103731935A (en) | Space network communication method based on WIFI | |
| CN109494715A (en) | A kind of low-voltage power distribution station area electrical network topology Dynamic Identification system and method | |
| CN107528386A (en) | A kind of intelligent substation automatic network system | |
| CN100484076C (en) | Network access and control method based on satellite multicast and backhaul channel sharing | |
| CN210444305U (en) | Wireless private network system | |
| CN208571714U (en) | A kind of automation of transformation substations equipment remote configuration system | |
| CN202652212U (en) | A main carrier machine and an auxiliary carrier machine of power line carrier communication of medium-voltage distribution | |
| CN106209468A (en) | The method and system of synchronizing information are operated between the active and standby dispatch automated system of isomery | |
| CN103036751A (en) | Electric power data communication network system | |
| CN206272855U (en) | Mixed type remote-wireless sensor network system | |
| CN202480901U (en) | Communication lines of battery management systems of electric automobile | |
| CN205946178U (en) | Communication system is transferred to digital wireless row | |
| CN102307268A (en) | Voice scheduling system of passenger service systems among railway stations, and integrated management platform | |
| CN104426738A (en) | Wide area protection communication method based on transmission network | |
| CN104468367B (en) | A kind of method of regional dispatching data net address modification | |
| CN207820246U (en) | A kind of vehicle-mounted monitoring information comprehensive transmission platform | |
| CN110472867A (en) | Power distribution network Network adaptation assessment processing method and device | |
| CN205883238U (en) | Revolving stage and relay system in multi -link | |
| CN205610942U (en) | Intelligent system based on digital walkie -Talkie realizes wide area business of talkbacking | |
| CN104125032B (en) | SDH (Synchronous Digital Hierarchy) based wide-area peer-to-peer communication system and method | |
| CN107889165A (en) | Mobile substation free wireless public LTE network scheduling termination high-speed communication system and method | |
| CN201114596Y (en) | Distributed cluster channel controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |