CN203104125U - Power distribution automation communication system adopting network address translation (NAT) way - Google Patents
Power distribution automation communication system adopting network address translation (NAT) way Download PDFInfo
- Publication number
- CN203104125U CN203104125U CN 201320129025 CN201320129025U CN203104125U CN 203104125 U CN203104125 U CN 203104125U CN 201320129025 CN201320129025 CN 201320129025 CN 201320129025 U CN201320129025 U CN 201320129025U CN 203104125 U CN203104125 U CN 203104125U
- Authority
- CN
- China
- Prior art keywords
- network
- power distribution
- power
- distribution automation
- nat
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- 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
- Y04S40/128—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 involving the use of Internet protocol
Abstract
The utility model relates to a power distribution automation communication system adopting a network address translation (NAT) way, belonging to the automation field. The power distribution automation communication system comprises a power distribution automation terminal, a user-side optical network unit, a local-side optical circuit terminal device, a network switch, a power dispatching data network and a power distribution automation master station host machine, wherein an NAT device is arranged between the network switch and the local-side optical circuit terminal device; the power distribution automation terminal is connected with the user-side optical network unit through a local area network, the optical network unit is connected with the local-side optical circuit terminal device through an optical cable, the local-side optical circuit terminal device and the NAT device are connected with the network switch through a network, and the network switch, the power dispatching data network and the power distribution automation master station host machine are connected with one another through an optical cable. A firewall or a router device is used as the NAT device. The power distribution automation communication system can save and expand usable public network internet protocol (IP) address space and can be widely used for designing and building the power dispatching data network as well as the reconstruction and expansion field of an existing power dispatching data network.
Description
Technical field
The utility model belongs to power system automatic field, relates in particular to a kind of power distribution automation communication system.
Background technology
Power distribution network (Power Distribution Network) is accepted electric energy from power transmission network or regional power plant, the power network that distributes or distribute to step by step all types of user by distribution facility on the spot by voltage, as the end of supply of electric power, one of important energy source carrier with numerous clients directly gears to the needs of the society.
Distribution automation system is meant and utilizes modern electronic technology, the communication technology, computer and network technology, power distribution network real time information, information off-line, user profile, electric network composition parameter, geography information are carried out integrated, constitute complete automated management system.
Electrical power distribution automatization system generally is made up of distribution power automation terminal, communication system and power distribution automation main website.
Wherein, distribution power automation terminal is an operation power parameter automatization equipment of gathering controller switching equipment (as equipment such as transformer, switches); The power distribution automation main website is a power scheduling main station system that power distribution network is carried out data acquisition, monitoring; Communication system mainly is meant power dispatch data network (SPDnet, State Power Dispatching Network), the tie that is power distribution automation main station system and distribution power automation terminal devices communicating, gets in touch, power distribution automation communication mode mainly adopt fiber optic Ethernet communication, these two kinds of main communication technologys of cable shield carrier communication.
Along with the construction development of electrical production scheduling requirement and power distribution network in recent years, the distribution power automation terminal that inserts the power distribution automation main website by power dispatch data network (SPDnet) is of a great variety, RTU (Remote Terminal Unit is arranged, distant place data terminal), DTU (Data Transfer unit, data transmission unit), FTU(Feeder Terminal Unit, the feeder automation detection and control terminal), TTU(distribution Transformer supervisory Terminal Unit, distribution transformer monitoring terminal), kilowatt-hour meter etc.Especially the development of FEEDER AUTOMATION, the important directions of power distribution automation development especially.
FEEDER AUTOMATION is called for short FA(Feeder automation) technology, be meant the converting station electric power outlet to the feeder line automatic technology between the user power utilization equipment, its content can reduce two broad aspect: the one, and the user under the normal condition detects, data is measured and operation is optimized; Two are meant fault location, fault location, load transfer and the automatic recovery of power supply under the accident condition.
Distribution power automation terminal (being called for short the FA terminal, down together) is responsible for gathering the corresponding various power real-time datas that are installed in the various distribution power automation terminals (RTU, DTU, FTU, TTU, kilowatt-hour meter etc.) on switchyard, power distribution station, distribution transformer, box type transformer, switch, the plug-in strip.
According to world regulation, the IP address is divided into A, B, C, D, E five classes, and the category-A address realm is from 0.0.0.1～126.0.0.0, and available Class A Network has 126, and each network can hold more than 100,000,000 main frame; The category-B address realm is from 128.0.0.0～191.255.255.255, and available class b network has 16382, and each network can hold more than 60,000 main frame; C class address realm is from 192.0.0.0～223.255.255.255, and individual surplus available class c network can reach 2,090,000, each network can hold 254 main frames; D class address is used for multicast, i.e. broadcast address; E class address is to use in the future to keep.
In daily network environment, substantially all use B, C class address, A, D, this 3 class address of E all can not be used.
Since the nineties in last century, domestic electric power system 35kV and above transformer station have progressively realized four remote control function, but along with the fault location of the feeder line that progressively grows up in recent years in isolation and automatic recovery of power supply, load control, remote auto meter reading, minimum network loss, voltage new technology, new systems such as idle work optimization, line loss fine-grained management system, the various distribution terminals that insert the distribution automation main station system are more and more.
The network of the C class of network using that the electrical power distribution automatization system in the applicant unit one belongs to actual motion uses, be the network service of passing through power dispatch data network between power distribution automation main website and the distribution power automation terminal, dispose the different IP addresses in the same class c network, therefore use 254 IP addresses at most.
And the distribution automation main station system of applicant unit one belongs to is only inserting under the situation of various Medium voltage switch or circuit breakers station (being called for short K type station), box-type substation (being called for short W type station) in present stage, use the IP address pool space of present network configuration to spend 67%, in the near future, along with going deep into of distribution network automated development, the access of various a large amount of distribution terminals, to face the condition of IP address wretched insufficiency, therefore, the IP address space deficiency is the problem that presses for solution at present.
The utility model content
Technical problem to be solved in the utility model provides a kind of power distribution automation communication system of the NAT of employing mode, it adopts the mode of network address translation, mode (NAT mode) by IP address public affairs, private conversion is a legitimate ip address with privately owned (reservation) address spaces, solve the contradiction that the IP address is limited, public network address is not enough, the distribution power automation terminal access demand is big available in present electrical power distribution automatization system network configuration, to satisfy the construction requirements of following distribution automation system.
The technical solution of the utility model is: a kind of power distribution automation communication system of the NAT of employing mode is provided, comprises optical network unit, office's sidelight line terminal equipment, the network switch, power dispatch data network and the power distribution automation main website main frame of distribution power automation terminal, user side; It is characterized in that:
Between the network switch and office's sidelight line terminal equipment, a NAT device is set;
Wherein, adopt the local area network (LAN) connected mode to be connected between the optical network unit of described distribution power automation terminal and user side, adopt the optical cable connected mode to be connected between described optical network unit and the office sidelight line terminal equipment, adopt internetwork connection mode to be connected between described office sidelight line terminal equipment, NAT device and the network switch, between the described network switch, power dispatch data network and the power distribution automation main website main frame, adopt optical cable to connect.
Described office sidelight line terminal and user side optical network unit constitute ethernet passive optical network.
Concrete, described ethernet passive optical network is made up of office sidelight line terminal and user side optical network unit, described office sidelight line terminal is arranged in the transformer station, and described user side optical network unit is arranged in power distribution station, Medium voltage switch or circuit breaker station or the box-type substation.
Its described NAT device is fire compartment wall or router apparatus.
Compared with the prior art, the utility model has the advantages that:
1. be that unit sets up a private network with a transformer station, if public network, private network are class c network, so at least, can set up private network for 126 transformer stations, each private network can connect 254 distribution power automation terminals at least, the distribution power automation terminal number that adopts the NAT mode to insert power dispatch data network so finally can reach 32004, can dissolve the predicament of present public network address pool space wretched insufficiency very like a cork;
2. adopt local area network (LAN) (class c network) communication protocol to realize being connected and the data transmission to power dispatch data network and distribution power automation terminal, change electric power system and continued to use for many years carrier communication pattern in history, be convenient to the exchanges data between power dispatch data network and other supervising the networks or the intelligent decision network, help to advance the construction and the development of intelligent grid and strong electrical network.
Description of drawings
Fig. 1 the utility model adopts the power distribution automation communication system network structural representation of NAT mode.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further.
Among Fig. 1, the technical program provides a kind of power distribution automation communication system of the NAT of employing mode, comprise that distribution power automation terminal (represents with the FA terminal among the figure, FA, Feeder automation, feeder automation), the optical network unit of user side (is represented with ONU among the figure, ONU, Optical Network Unit, the optical network unit of user side), office's sidelight line terminal equipment (is represented with OLT among the figure, Optical Line Terminal, the optical line terminal of office's side), the network switch, power dispatch data network and power distribution automation main website main frame; Its inventive point is, between the network switch and office's sidelight line terminal equipment, is provided with a NAT device;
Wherein, adopt the local area network (LAN) connected mode to be connected between the optical network unit of described distribution power automation terminal and user side, adopt the optical cable connected mode to be connected between described optical network unit and the office sidelight line terminal equipment, adopt internetwork connection mode to be connected between described office sidelight line terminal equipment, NAT device and the network switch, between the described network switch, power dispatch data network and the power distribution automation main website main frame, adopt optical cable to connect.
Described office sidelight line terminal and user side optical network unit constitute ethernet passive optical network.
Its ethernet passive optical network (Ethernet Passive Optical Network, EPON) form by office sidelight line terminal and user side optical network unit, described office sidelight line terminal is arranged in the transformer station, and described user side optical network unit is arranged in power distribution station, Medium voltage switch or circuit breaker station or the box-type substation.
Described NAT device is fire compartment wall or router apparatus.
NAT, it is the abbreviation of network address translation (Network Address Translation), be a kind of be the switch technology of legitimate ip address with privately owned (reservation) address spaces, it is widely used in all kinds Internet access way and the various types of network.The equipment of realizing nat feature generally has router, fire compartment wall etc.
The technical program is a kind of distribution automation terminal that realizes feeder automation (FA) technology, and the FA terminal equipment promptly has been installed.The communication modes of this equipment is based on the EPON net.
The EPON net is a kind of novel Optical Access Network technology, has possessed the characteristics of low, the easy expansion of cost, high bandwidth, support electrical interface, becomes the development focus of power distribution network communication just gradually.The EPON system by the optical line terminal of office's side (Optical Line Terminal, OLT), (Optical Network Unit ONU) forms for the optical network unit of user side.The FA terminal sends automation signal to ONU in the mode of network signal, ONU converts network signal to light signal, be sent to OLT equipment in the transformer station by optical cable, thereby OLT equipment inserts power dispatch data network with the network switch that its conversion of signals becomes network signal to be connected in the transformer station, finish the automated communication with the power distribution automation main station system, each FA terminal must be provided with a public network IP address under this mode.
For the ease of identification, adopt hollow arrow to represent the optical cable connected mode among the figure, the fine line arrow is represented the netting twine connected mode.
By the setting on the NAT device, realize the isolation of public network and private network.Form the public network that power distribution automation main station system and power dispatch data network are formed, distribution power automation terminal that transformer station's network switch is following and communication system are formed a private network.
The technical solution of the utility model realizes the isolation of public network and private network by the setting on the NAT device.Form the public network of the relevant device composition of power distribution automation main station system and power dispatch data network, and following distribution power automation terminal and the communication system of transformer station's network switch formed a private network.
Like this, just can form and connect a plurality of private networks below 1 public network, and all distribution terminals of connecting down of 1 transformer station can be formed 1 private network simultaneously, form a two grade network pattern, and the conversion of realization " one-to-many " destination address by this.
Pass through the technical solution of the utility model, can be that unit sets up a private network with a transformer station, if with public network, it is example that private network is class c network, so at least, can set up private network for 126 transformer stations, each private network can connect 254 power distribution automations at least, so finally the distribution power automation terminal number that inserts power dispatch data network by the NAT mode can reach 32004, can dissolve present public network address pool space deficiency very like a cork, available IP address is limited, the contradiction that the distribution power automation terminal access demand is big satisfies the construction requirements of following distribution automation system.
Solve the distribution automation terminal by the NAT mode and insert the IP address problem in short supply that is run in the distribution main station system by the data dispatching net, prove a kind of feasible, reliable technique means, access way for the access dispatching data network of the development of power distribution network from now on, various distribution terminals provides a kind of new method and thinking.
The utility model can be widely used in the reorganization and expansion field of design, structure and the existing power dispatch data network of power dispatch data network.
Claims (3)
1. power distribution automation communication system that adopts the NAT mode comprises optical network unit, office's sidelight line terminal equipment, the network switch, power dispatch data network and the power distribution automation main website main frame of distribution power automation terminal, user side; It is characterized in that:
Between the network switch and office's sidelight line terminal equipment, a NAT device is set;
Wherein, adopt the local area network (LAN) connected mode to be connected between the optical network unit of described distribution power automation terminal and user side, adopt the optical cable connected mode to be connected between described optical network unit and the office sidelight line terminal equipment, adopt internetwork connection mode to be connected between described office sidelight line terminal equipment, NAT device and the network switch, between the described network switch, power dispatch data network and the power distribution automation main website main frame, the employing optical cable connects
Described office sidelight line terminal and user side optical network unit constitute ethernet passive optical network.
2. according to the described power distribution automation communication system that adopts the NAT mode of claim 1, it is characterized in that described ethernet passive optical network is made up of office sidelight line terminal and user side optical network unit, described office sidelight line terminal is arranged in the transformer station, and described user side optical network unit is arranged in power distribution station, Medium voltage switch or circuit breaker station or the box-type substation.
3. according to the power distribution automation communication system of the described employing of claim 1 NAT mode, it is characterized in that described NAT device is fire compartment wall or router apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320129025 CN203104125U (en) | 2013-03-20 | 2013-03-20 | Power distribution automation communication system adopting network address translation (NAT) way |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320129025 CN203104125U (en) | 2013-03-20 | 2013-03-20 | Power distribution automation communication system adopting network address translation (NAT) way |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203104125U true CN203104125U (en) | 2013-07-31 |
Family
ID=48855502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320129025 Expired - Lifetime CN203104125U (en) | 2013-03-20 | 2013-03-20 | Power distribution automation communication system adopting network address translation (NAT) way |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203104125U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107968484A (en) * | 2017-12-13 | 2018-04-27 | 柳州市睿亿联电子商务有限公司 | One kind sensing power distribution network communication system |
| CN114025259A (en) * | 2021-10-20 | 2022-02-08 | 国网宁夏电力有限公司银川供电公司 | Power distribution networking system and communication method based on EPON technology |
-
2013
- 2013-03-20 CN CN 201320129025 patent/CN203104125U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107968484A (en) * | 2017-12-13 | 2018-04-27 | 柳州市睿亿联电子商务有限公司 | One kind sensing power distribution network communication system |
| CN114025259A (en) * | 2021-10-20 | 2022-02-08 | 国网宁夏电力有限公司银川供电公司 | Power distribution networking system and communication method based on EPON technology |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102571514B (en) | Intelligent power consumption cell system | |
| CN102904645B (en) | Distribution Network Communication networking structure based on EPON demixing technology | |
| CN102130507A (en) | Intelligent home system accessing to intelligent power gird and new energy and energy efficiency managing method | |
| CN103179226B (en) | A kind of distribution terminal is by the method for NAT mode access dispatching data network | |
| CN104201672A (en) | Novel micro-grid system control device | |
| CN104184210A (en) | Integrated intelligent control method and system suitable for campus type microgrid | |
| CN103997125A (en) | Energy-saving optimization dispatching system of multi-source power distribution network | |
| CN103872775B (en) | A kind of intelligent micro-grid supervisory control system and method for supervising | |
| CN105553807A (en) | 10kV low voltage smart power distribution network system with looped network communication structure | |
| WO2023005201A1 (en) | Distributed electrical monitoring management system for intelligent power plant | |
| CN205921397U (en) | Little electric wire netting network deployment based on ac bus | |
| CN203104125U (en) | Power distribution automation communication system adopting network address translation (NAT) way | |
| CN104333127A (en) | Power transmission and distribution controlling integrated communication network system based on distributed passive optical network | |
| CN104319886A (en) | Power grid wide area protection and control system | |
| CN102832708A (en) | Intelligent transformer substation based on integrated multi-stage server framework | |
| CN103389421A (en) | Island detection method and device based on GOOSE communication | |
| CN110472867A (en) | Power distribution network Network adaptation assessment processing method and device | |
| CN202651896U (en) | Coordinated control system of micro power grid | |
| Terada et al. | Proposal of environmental adaptation for the next-generation distribution SCADA system | |
| CN204156599U (en) | A kind of communication system of power distribution network | |
| CN203435026U (en) | Wind power plant comprehensive monitoring system | |
| CN201466503U (en) | Novel fail safe system for transformer substation | |
| CN104953706A (en) | Integrative information interaction method for intelligent power distribution and utilization | |
| CN103997628A (en) | Method and communication structure for optimizing thermal power plant information system | |
| CN217157138U (en) | Distributed electrical monitoring management system for intelligent power plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130731 |