CN102571585A - Solution for multi-layer unified communication platform of digital substation - Google Patents
Solution for multi-layer unified communication platform of digital substation Download PDFInfo
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- CN102571585A CN102571585A CN201210008580XA CN201210008580A CN102571585A CN 102571585 A CN102571585 A CN 102571585A CN 201210008580X A CN201210008580X A CN 201210008580XA CN 201210008580 A CN201210008580 A CN 201210008580A CN 102571585 A CN102571585 A CN 102571585A
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Abstract
The invention provides a solution for a multi-layer unified communication platform of a digital substation. The solution comprises the following steps: (1) connecting a multiprotocol label switchboard with an Ethernet passive optical network optical line terminal to form a real-time switchboard, and arranging the real-time switchboard at a local side; offering a data exchange function and a networking function on the Internet; (2) leading out optical fibers through ports of the Ethernet passive optical network optical line terminal, and connecting the optical fibers with optical splitters, wherein optical splitters are respectively connected with optical network units, or one of the optical splitters is connected with the optical network units after being connected with another optical splitter; (3) respectively connecting user ports of the optical network units to intelligent terminal equipment of a station level, a process level and a bay level, and respectively forming a peer-to-peer permanent connection network or a one-to-many multicast network or a non-permanent connection network; and (4) configuring different bandwidth strategies for the optical network units under all the ports on the real-time switchboard according to a network plan to realize networking of the unified communication platform. The invention provides a unified communication platform design scheme which is better is real-time performance and is suitable for the digital substation.
Description
Technical field
The present invention relates to a kind of digital transformer substation multilayer and unify the solution of communications platform.
Background technology
Because advantages such as ethernet technology has standard, opening, is easy to realize interoperability, transmission rate is fast; At present become comparatively general digital transformer substation automated system communication pattern, but the problem exchanging mechanism that ethernet medium access control CSMA/CD is machine-processed, the strategy of the transfer mode of doing one's best and resource contention solves data burst property has determined the uncertainty of its network performance.The digital transformer substation automated system is being born tasks such as realization data acquisition, supervision, protection and control, and its Network Transmission to information has high reliability, high real-time requirement, is that the communication pattern on basis exists bigger potential safety hazard with the ethernet technology.
Address the above problem and to adjust the thinking that present digital transformer substation is confined to the EPA switch technology; Adopt the more communication technology of high reliability and stable time delay; Research and develop new unified communications platform and substitute the traditional ethernet switch; Unified communications platform must overcome the deficiency of traditional ethernet switching technology, needs primary study on the occupancy mode and management strategy of the communication resource.
The content of invention
The object of the present invention is to provide a kind of digital transformer substation multilayer to unify the solution of communications platform; The present invention is through the analysis to digitlization electric substation automation system information interaction demand; Invent the unified communications platform design that a kind of real-time is better, be fit to the digital transformer substation application, can better solve the contradiction between communication network opening, flexibility and real-time, the reliability requirement.
For achieving the above object, technical scheme of the present invention is:
A kind of digital transformer substation multilayer is unified the solution of communications platform, 1) the Ethernet passive optical network optical line terminal that will merge multiprotocol label switching machine and the Ethernet passive optical network function of the multiprotocol label switching function back that links to each other forms the real-time exchange machine and places local side; Exchanges data and network first line of a couplet networking function are provided; 2) draw optical fiber through the port of Ethernet passive optical network optical line terminal and link to each other with optical splitter, each optical splitter links to each other with optical network unit; Or optical splitter link to each other with another optical splitter again the back link to each other with optical network unit; 3) with optical network unit be connected respectively to the intelligent terminal of station level, process layer and wall with the registered permanent residence, form point-to-point fixed connection or one-to-many multicast or on-fixed respectively and connect network; 4) be the different band-width tactics of the configuration of the optical network unit under each port, the networking of the unified communications platform of realization on the real-time exchange machine according to the network planning.
The invention has the beneficial effects as follows: this method is intended to through the analysis to the communication of digitalization transformer substation demand; Find out the unified communications platform that a kind of real-time is better, be fit to transformer station's station level, process layer, wall multilayer application; And combine with EPON passive optical network and network retractility thereof technology, IEEE1588v2 Time synchronization technique and centralized technology such as broadband packet exchange, better solve the contradiction between communication network opening, flexibility and real-time, the reliability requirement.Being embodied in 1) the application packet switching technology realizes that different reliability requirements, different real-time require, the circuit of different transmission direction data flow is isolated; When improving efficiency of transmission, satisfy the transmission requirement of different business data flow, and improved the network risks control ability.2) improved adaptive capacity (switching station, distribution transformer station, medium-sized transformer station, large-scale substation) to various scale transformer station; Promote the flexible ability of communication system through the improvement emphasis of networking capability; Reduce the complexity that communication network is formed, improve the Performance And Reliability of communication system; Problems such as 3) press the digital transformer substation demand of technical standard, relaying protection need be adopted and directly adopt straight jumping mode, can only adopt a large amount of direct connection optical cables to solve under the traditional ethernet communication mode, and the device that brings a large amount of light mouths to cause thus generates heat, direct-connected optical cable can't be kept watch on.Unified communications platform is directly adopted straight jumping through what configuration separate connection channel mode had realized relaying protection and automatic safety device in the station, guarantees the independence and the isolation of relaying protection system, has solved the problems referred to above simultaneously; 4) realized that digital transformer substation GOOSE, SV, MMS unify networking; Simplified network configuration; Practice thrift a large amount of technical grade switches, reduced the communication of digitalization transformer substation construction cost that grows to even greater heights at present, promoted applying of digital transformer substation and intelligent grid technology.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
Below in conjunction with accompanying drawing a nearly step being done in enforcement of the present invention describes in detail.
As shown in Figure 1, a kind of digital transformer substation multilayer of present embodiment is unified the solution of communications platform, comprises the steps:
The Ethernet passive optical network optical line terminal 2 that 1) will merge multiprotocol label switching machine 1 and Ethernet passive optical network (EPON) function of the multiprotocol label switching (mpls) function back that links to each other is formed real-time exchange machine 9 and is placed local side (like transformer station); Exchanges data and network first line of a couplet networking function are provided; 2) draw optical fiber through the port 4 of Ethernet passive optical network optical line terminal (OLT) 2 and link to each other with optical splitter 3, each optical splitter 3 links to each other with optical network unit (ONU) 5; Or optical splitter 3 link to each other with another optical splitter 3 again the back link to each other with optical network unit (ONU) 5; 3) with optical network unit (ONU) 5 be connected respectively to the intelligent terminal of station level 6, process layer 7 and wall 8 with the registered permanent residence, form point-to-point fixed connection or one-to-many multicast or on-fixed respectively and connect network (local area network (LAN) LAN); 4) on the real-time exchange machine 9 be the different band-width tactics of each optical network unit (ONU) 5 configurations under each port 4, the networking of the unified communications platform of realization according to the network planning.
The unified communications platform of present embodiment adopts connection-oriented Ethernet passive optical network EPON technology with circuit switching time division multiple access TDMA characteristics to substitute the traditional ethernet technology as basic access technology, and adopts the multiprotocol label switching MPLS based on packet-switch technology to realize the exchanges data between digital transformer substation station level, wall and the process layer.The TDMA of EPON Access Layer realizes the transmission and the exchange of data through the whole communication resource being divided into many minor time slices, and so just the quantity with the communication resource has increased manyfold.Each circuit-switched data is captured exclusive oneself a timeslice, can not produce the competition to resource between each circuit-switched data.The up TDMA of Ethernet passive optical network EPON is connection-oriented technology, and communication network is between per two terminals the bandwidth that is fixedly coupled and fixes to be provided, and in data transfer, immobilizes, and guarantees high data transfer reliability and stability.Therefore, Ethernet passive optical network EPON technology can guarantee the reliability of communicating by letter fixing communication delay to be provided.On the other hand, the optical line terminal OLT equipment of Ethernet passive optical network EPON is through optical splitter and be deployed in optical network unit at remote side ONU and for the digital transformer substation intelligent terminal service access be provided, and has significantly enlarged the coverage of substation communication network.Simultaneously; The maximum access of supporting 64 optical network unit ONU of each Ethernet passive optical network EPON port of optical line terminal OLT; Further enlarge the networking scale of unified communications platform, be the enlarging reserving network resources of follow-up digital transformer substation, reduced cost of investment in the future.
Realize IEEE1588v2 exact time synchronization function on the optical line terminal OLT of unified communications platform in adopting Ethernet passive optical network EPON Access Layer, the optical network unit ONU equipment; Satisfy the requirement of intelligent station relaying protection net synchronization capability; For the intelligent terminal of digital transformer substation system provides absolute time synchronized, realize the synchronous Based Intelligent Control of whole transformer substation system.
Adopting the unified communications platform of multiprotocol label switching MPLS is connection-oriented grouping tranmission techniques platform; Has multi-service adaptation ability efficiently and label forwarding mechanism flexibly; In connectionless IP network, increasing connection-oriented attribute; Guarantee for IP network provides certain QoS, satisfy the requirement of dissimilar services, improve the networking capability of communication of digitalization transformer substation system QoS.
Unified communications platform is to set up unified physical communication network at digital transformer substation; The application packet switching technology realizes GOOSE, SV, MMS unification of three nets; Guarantee that simultaneously different reliability requirements, different real-time require, the circuit of different transmission direction data flow is isolated, and directly adopt straight jumping through what configuration separate connection channel mode had realized relaying protection and automatic safety device in the station.Viewpoint from transformer substation communication; Unified communications platform is included electric substation automation system in the uniform communication network; Between all intelligent terminal IDE, set up interconnection to realize automation function through unified communications platform, meet digital transformer substation automated system Development Trend.
Transformer station is made up of a plurality of electric pressures, interval etc.; To this type and dividing region, reasonable plan is to require to provide respectively network to different data passes; Therefore, transformer station's real-time exchange system can be divided into the network of a plurality of dissimilar, different structures, the data that each network delivery is a type again on the logic; This design of logical network topology targetedly can be good at satisfying various data passes requirement, and the delivery network of function admirable is provided under the condition of the limited communication resource.Under unified physical network, realize logical network, isolate the resource occupation relative fixed between the logical network each other through resource distribution; Can reciprocal influence between the different pieces of information transmission be reduced to minimum.Unified communications platform carries out data logical design and tissue according to the three kinds of different qualities communication datas of GOOSE, SV, MMS and the differential requirement of digital transformer substation:
1) GOOSE network, its characteristics are that reliability requirement is high, data traffic is little, data flow is intersected transmission.The connected mode of the point-to-point fixed connection of GOOSE network using; Configuration is helped and is intersected or part cross network net according to the exchanges data demand between IED; Through specifying interface channel; And fixedly take some communication resources, and can be immediately fast, reliable delivery GOOSE message, on the GOOSE network, can adopt some to improve the multicasting technology of the one-to-many of performances.
2) that SV network, its characteristics are that real-time requires is high, data traffic is big, folk prescription is to transmission, transfer of data one-to-many.The connected mode that SV network using point-to-multipoint is fixedly connected through disposing prior appointment point-to-multipoint interface channel, and fixedly takies the communication resource, and lasting big flow multicast packet transmission is provided;
3) MMS network, its characteristics are that the real-time reliability requirement is not high, data traffic is bigger.The mode of MMS network using lan network forms networks through disposing some communication resources of prior appointment, provides flexibly, file data transmission capacity efficiently.
Claims (1)
1. a digital transformer substation multilayer is unified the solution of communications platform, it is characterized in that comprising the steps: 1) the Ethernet passive optical network optical line terminal (2) that will merge multiprotocol label switching machine (1) and the Ethernet passive optical network function of the multiprotocol label switching function back that links to each other forms real-time exchange machine (9) and places local side; Exchanges data and network first line of a couplet networking function are provided; 2) draw optical fiber through the port (4) of Ethernet passive optical network optical line terminal (2) and link to each other with optical splitter (3), each optical splitter (3) links to each other with optical network unit (5); Or optical splitter (3) link to each other with another optical splitter (3) again the back link to each other with optical network unit (5); 3) with optical network unit (5) be connected respectively to the intelligent terminal of station level (6), process layer (7) and wall (8) with the registered permanent residence, form point-to-point fixed connection or one-to-many multicast or on-fixed respectively and connect network; 4) go up to the different band-width tactics of the configuration of each optical network unit (5) under each port (4) at real-time exchange machine (9) according to the network planning, realize the networking of unified communications platform.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103179226A (en) * | 2013-03-20 | 2013-06-26 | 国家电网公司 | Method for connecting power distribution terminal into scheduling data network through NAT (Network Address Translation) manner |
| CN103441959A (en) * | 2013-09-12 | 2013-12-11 | 南京鸿骏信息技术有限公司 | Real-time multi-business data multiplex communication network of electric power system |
| CN103545921A (en) * | 2013-09-24 | 2014-01-29 | 许继集团有限公司 | Urban distribution transformer area autonomous control optimization power system and monitoring system thereof |
| CN103607053A (en) * | 2013-12-01 | 2014-02-26 | 国网河南省电力公司安阳供电公司 | Intelligent switching room system of three-layer structure |
| CN103701716A (en) * | 2013-11-14 | 2014-04-02 | 许继集团有限公司 | SV direct sampling and GOOSE message same-port transmitting method |
| CN104125518A (en) * | 2014-08-05 | 2014-10-29 | 国家电网公司 | Method for realizing data message transmission in transformer substation through passive optical network |
| CN105391653A (en) * | 2015-11-24 | 2016-03-09 | 湖北大学 | Telecommunication operator intelligent pipeline system |
| CN106507226A (en) * | 2016-11-10 | 2017-03-15 | 云南电网有限责任公司丽江供电局 | A kind of substation areas of transformer station protection system and method based on EPON |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1725756A (en) * | 2005-07-21 | 2006-01-25 | 上海交通大学 | Passive optical network system based on generalized multiprotocol label switching (GMPLS) protocol |
-
2012
- 2012-01-12 CN CN201210008580XA patent/CN102571585A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1725756A (en) * | 2005-07-21 | 2006-01-25 | 上海交通大学 | Passive optical network system based on generalized multiprotocol label switching (GMPLS) protocol |
Non-Patent Citations (1)
| Title |
|---|
| 沈乃明等: "智能配网光纤差动保护", 《第十九届输配电研讨会论文集》, 7 December 2011 (2011-12-07) * |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103179226A (en) * | 2013-03-20 | 2013-06-26 | 国家电网公司 | Method for connecting power distribution terminal into scheduling data network through NAT (Network Address Translation) manner |
| CN103179226B (en) * | 2013-03-20 | 2016-02-03 | 国家电网公司 | A kind of distribution terminal is by the method for NAT mode access dispatching data network |
| CN103441959A (en) * | 2013-09-12 | 2013-12-11 | 南京鸿骏信息技术有限公司 | Real-time multi-business data multiplex communication network of electric power system |
| CN103441959B (en) * | 2013-09-12 | 2016-07-06 | 南京鸿骏信息技术有限公司 | The real-time multi-service data multiplex communication network of power system |
| CN103545921A (en) * | 2013-09-24 | 2014-01-29 | 许继集团有限公司 | Urban distribution transformer area autonomous control optimization power system and monitoring system thereof |
| CN103701716A (en) * | 2013-11-14 | 2014-04-02 | 许继集团有限公司 | SV direct sampling and GOOSE message same-port transmitting method |
| CN103701716B (en) * | 2013-11-14 | 2017-10-31 | 许继集团有限公司 | A kind of SV is directly adopted and the common port transmitting method of GOOSE message |
| CN103607053A (en) * | 2013-12-01 | 2014-02-26 | 国网河南省电力公司安阳供电公司 | Intelligent switching room system of three-layer structure |
| CN104125518A (en) * | 2014-08-05 | 2014-10-29 | 国家电网公司 | Method for realizing data message transmission in transformer substation through passive optical network |
| CN105391653A (en) * | 2015-11-24 | 2016-03-09 | 湖北大学 | Telecommunication operator intelligent pipeline system |
| CN105391653B (en) * | 2015-11-24 | 2018-07-10 | 湖北大学 | A kind of telecom operators' intelligent pipeline system |
| CN106507226A (en) * | 2016-11-10 | 2017-03-15 | 云南电网有限责任公司丽江供电局 | A kind of substation areas of transformer station protection system and method based on EPON |
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Application publication date: 20120711 |