CN201937332U - Intelligent-substation communication-network framework based on distributed passive optical-network technology - Google Patents
Intelligent-substation communication-network framework based on distributed passive optical-network technology Download PDFInfo
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- CN201937332U CN201937332U CN2010206266487U CN201020626648U CN201937332U CN 201937332 U CN201937332 U CN 201937332U CN 2010206266487 U CN2010206266487 U CN 2010206266487U CN 201020626648 U CN201020626648 U CN 201020626648U CN 201937332 U CN201937332 U CN 201937332U
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
Abstract
The utility model relates to an intelligent-substation communication-network framework based on a distributed passive optical-network technology, wherein an intelligent-substation facility layer and an intelligent-substation system layer are connected through a PON (Passive Optical Network), the PON comprises an optical line terminal, the optical line terminal is connected with an optical distribution network, the optical distribution network is connected with at least one optical network unit, and the optical network unit is positioned at the outgoing-line interval of a substation and the position of a main transformer, connected with the intelligent-substation facility layer through a network line and used for the bidirectional transfer of facility operating states as well as fault diagnosis information, control commands and tripping commands. In the utility model, a high-speed transparent Ethernet network is built between the intelligent-substation system layer and the intelligent-substation facility layer by utilizing the one-to-many light splitting and transparent transmission capabilities of the PON, and the brought advantages are obvious. Firstly, all the intelligent facilities in an intelligent substation are connected into the same network, and information can be directly interacted between any two intelligent facilities through the network, so that the data in a process layer is furthest shared, and the information levels of the substation and an electric network are markedly improved.
Description
Technical field
The utility model relates to a kind of intelligent substation architectures of communication networks based on distributed passive optical network technique.
Background technology
Current three layer of two web frame that adopt of intelligent transformer station, promptly station level, wall, process layer are realized connecting with layering, distribution, open network system between three layers more.Along with the abundant fusion of process layer equipment and bay device, three layer of two web frame will progressively develop into a two-layer web frame, i.e. mechanical floor, system layer.Mechanical floor is made up of a plurality of device objects such as transformer, circuit breaker, instrument transformers, finishes functions such as power transfer function and measurement, control, protection, metering, and mechanical floor is equivalent to the set of process layer and wall.System layer comprise network communicating system, to the time system, background monitoring system, the subsystems such as territory protection, correspondence with foreign country system of standing, system layer is equivalent to station level.
Network communicating system all adopts the Industrial Ethernet switch to set up the network of layering, distribution in the existing intelligent substation, can satisfy sampled value service (SMV) preferably, general quick Event Service (GOOSE), to time service, infrastructure service all kinds of intelligent substation communication services such as (core ACSI services) are for the strict demand of aspect characteristics such as Network Transmission real-time, transmission rate, fail safe, reliability, but still have certain limitation, mainly show:
1, the numerous and position dispersion of process layer number of devices, usually need multistage exchange, promptly elder generation is connected to an access switch with several the equipment at position adjacent (in an interval), again many access switch are connected into looped network, or converge to the core switch of substation level, will cause the increase of investment;
2, need lay many optical cables, optical cable fibre core utilance is not high;
3, network configuration is complicated, brings difficulty for equipment disposition, network parameter configuration, the planning of IP address etc.
Summary of the invention
The technical problem to be solved in the present invention is: change general networks communication system construction mode in the intelligent substation, a kind of high network capacity, big bandwidth, networking flexibility, network capacity and the high intelligent substation exploited in communication method based on passive optical network technique of cable resource utilance are provided.
For achieving the above object, the utility model by the following technical solutions, it comprises:
The intelligent substation mechanical floor, it comprises primary equipment and attached intelligent assembly and secondary device;
The intelligent substation system layer, it comprises automated station level supervisor control, stand territory control system and communication system;
Be connected by the PON EPON between described intelligent substation mechanical floor and the intelligent substation system layer, described PON EPON comprises optical line terminal, described optical line terminal is connected with Optical Distribution Network, Optical Distribution Network is connected with at least one optical network unit, described optical network unit is positioned at transformer station outlet interval and main transformer position, it connects the intelligent substation mechanical floor with netting twine, is used for the bi-directional of equipment running status and failure diagnosis information, control command and trip signal.
Described Optical Distribution Network and optical network unit constitute tree network.
Described Optical Distribution Network and optical network unit constitute the full guard loop network.
Described Optical Distribution Network for the beam split Heavenly Stems and Earthly Branches than being the Optical Distribution Network of 1:2～1:32.
Adopt the utility model of technique scheme, utilize the ability of beam split of EPON one-to-many and transparent transmission to set up high speed, transparent Ethernet between intelligent substation system layer and mechanical floor, the advantage of bringing is conspicuous.At first, all smart machines in the intelligent substation all insert same network, can both directly pass through this network interaction information between the smart machine arbitrarily, and the process layer data of making obtains farthest sharing, and the level of IT application of transformer station, electrical network significantly improves; Secondly, utilize one-to-many beam split that EPON self possesses, Dynamic Bandwidth Allocation, reverse ability such as power supply, improved the utilance of network capacity and optical cable fibre core resource greatly, the investment of optical cable and equipment will significantly be reduced, simplify network configuration, reduced the difficulty of construction and operational management; Once more, various topological structures such as by reasonable disposition Optical Distribution Network ODN, that EPON can be formed is tree-like, chain, annular, it is numerous and the position disperses, baroque situation to be very suitable for intelligent substation terminal node number; The light path protection of last full redundancy and the employing of encryption technologies such as equipment protection and multiple stirring, also the safe and stable operation for the intelligent substation system provides effective guarantee.
Description of drawings
Fig. 1 is an intelligent substation network communicating system schematic diagram of the present utility model.
Fig. 2 is the tree-like substantially and total linear networking mode schematic diagram of EPON.
Fig. 3 is an EPON trunk optical fibre protection networking mode schematic diagram.
Fig. 4 is the tree-like networking mode schematic diagram of EPON full guard.
Fig. 5 is an EPON full guard annular networking mode schematic diagram.
Embodiment
As shown in Figure 1, the utility model comprises intelligent substation mechanical floor, intelligent substation system layer and is positioned at the two middle PON EPON.Above-mentioned intelligent substation mechanical floor comprises primary equipment and affiliated intelligent assemblies thereof such as transformer, circuit breaker, isolating switch, current/voltage instrument transformer, and secondary device such as protective relaying device, system monitoring device, monitoring function group master IED.Above-mentioned intelligent substation system layer comprises automated station level supervisor control, the territory control system of standing, communication system and to the time system or the like.
In the utility model, be connected by the PON EPON between intelligent substation mechanical floor and the intelligent substation system layer.The PON EPON comprises optical line terminal OLT; optical line terminal OLT is connected with Optical Distribution Network ODN; Optical Distribution Network ODN is connected with at least one optical network unit ONU; described optical network unit ONU is positioned at transformer station outlet interval and main transformer position; optical network unit ONU connects primary equipment intelligent cell, merge cells and monitoring and protection equipment with netting twine, is used for the bi-directional of equipment running status and failure diagnosis information, control command and trip signal etc.
In the intelligent substation master control building machine room optical line terminal OLT is set, and the configuration management measurement and control unit, the optical network unit ONU at full station is got in touch by Optical Distribution Network ODN and optical line terminal OLT equipment, and all information are finished at the OLT place and compiled and exchange.OLT equipment links to each other with public exchange in the station by Ethernet interface, is used to finish the information exchange of mechanical floor and system layer.
According to transformer station's general layout and main electrical scheme structure, dispose Optical Distribution Network ODN in position, beam split Heavenly Stems and Earthly Branches ratio can be selected variety classeses such as 1:2,1:4,1:8:1:16,1:32 for use, the even beam split of the general employing of beam split power ratio, can adopt non-homogeneous beam split when being necessary, the optical path signal that is distributed in a plurality of optical network unit ONU is everywhere concentrated.In intelligent substation, form tree-like, chain or loop network, according to full light path protection and the configuration of equipment full redundancy, the reliability of assurance network; By optical power budget, rationally reserve degree more than needed, guarantee the unimpeded of light path, as Fig. 2, Fig. 3, Fig. 4, shown in Figure 5.
Operation principle of the present utility model is: as shown in Figure 1; be distributed in the intelligent substation everywhere the primary equipment intelligent assembly and the information of monitoring and protection equipment by 100,000,000 or gigabit Ethernet electricity mouth insert optical network unit ONU nearby; become light signal by optical network unit ONU by opto-electronic conversion; by PON interface and the tandem of branch road optical fiber to main line Optical Distribution Network ODN; through the optical line terminal OLT of main line optical fiber to the transformer station master control building; converge or exchange at the OLT end; information with needs is sent to the public switching plane of being made up of data switching exchane by gigabit or ten thousand mbit ethernet interfaces again, thereby arrives each main website of intelligent substation system layer.Otherwise the information such as control command that need be assigned to mechanical floor by the intelligent substation system layer need reverse process of experience arrive each primary equipment.
Claims (4)
1. intelligent substation architectures of communication networks based on distributed passive optical network technique, it comprises:
The intelligent substation mechanical floor, it comprises primary equipment and attached intelligent assembly and secondary device;
The intelligent substation system layer, it comprises automated station level supervisor control, stand territory control system and communication system;
It is characterized in that: be connected by the PON EPON between described intelligent substation mechanical floor and the intelligent substation system layer, described PON EPON comprises optical line terminal (OLT), described optical line terminal (OLT) is connected with Optical Distribution Network (ODN), Optical Distribution Network (ODN) is connected with at least one optical network unit (ONU), described optical network unit (ONU) is positioned at transformer station outlet interval and main transformer position, it connects the intelligent substation mechanical floor with netting twine, is used for equipment running status and failure diagnosis information, the bi-directional of control command and trip signal.
2. the intelligent substation architectures of communication networks based on distributed passive optical network technique according to claim 1 is characterized in that: described Optical Distribution Network (ODN) and optical network unit (ONU) constitute tree network.
3. the intelligent substation architectures of communication networks based on distributed passive optical network technique according to claim 1 is characterized in that: described Optical Distribution Network (ODN) and optical network unit (ONU) looping network.
4. the intelligent substation architectures of communication networks based on distributed passive optical network technique according to claim 1 is characterized in that: described Optical Distribution Network (ODN) for the beam split Heavenly Stems and Earthly Branches than being the Optical Distribution Network of 1:2～1:32.
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| CN201937332U true CN201937332U (en) | 2011-08-17 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102523067A (en) * | 2011-12-30 | 2012-06-27 | 重庆市电力公司电力科学研究院 | Industrial-grade optical transmission system |
| CN103094984A (en) * | 2013-01-15 | 2013-05-08 | 长兴县供电局 | Network distribution structure capable of conveniently sensing ring main units |
| CN103607048A (en) * | 2013-11-18 | 2014-02-26 | 国家电网公司 | An electric power network device fault diagnosis method and a system |
| CN104333127A (en) * | 2014-07-11 | 2015-02-04 | 国家电网公司 | Power transmission and distribution controlling integrated communication network system based on distributed passive optical network |
| 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 |
| CN111082520A (en) * | 2019-11-28 | 2020-04-28 | 广东电网有限责任公司汕头供电局 | Method, equipment and storage medium for operation control of optical distribution network |
-
2010
- 2010-11-26 CN CN2010206266487U patent/CN201937332U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102523067A (en) * | 2011-12-30 | 2012-06-27 | 重庆市电力公司电力科学研究院 | Industrial-grade optical transmission system |
| CN102523067B (en) * | 2011-12-30 | 2015-04-15 | 重庆市电力公司电力科学研究院 | Industrial-grade optical transmission system |
| CN103094984A (en) * | 2013-01-15 | 2013-05-08 | 长兴县供电局 | Network distribution structure capable of conveniently sensing ring main units |
| CN103607048A (en) * | 2013-11-18 | 2014-02-26 | 国家电网公司 | An electric power network device fault diagnosis method and a system |
| CN104333127A (en) * | 2014-07-11 | 2015-02-04 | 国家电网公司 | Power transmission and distribution controlling integrated communication network system based on distributed passive optical network |
| 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 |
| CN111082520A (en) * | 2019-11-28 | 2020-04-28 | 广东电网有限责任公司汕头供电局 | Method, equipment and storage medium for operation control of optical distribution network |
| CN111082520B (en) * | 2019-11-28 | 2021-07-23 | 广东电网有限责任公司汕头供电局 | Method, equipment and storage medium for operation control of optical distribution network |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110817 Termination date: 20131126 |