CN205265864U - Power communication network based on OTN - Google Patents

Abstract

The utility model discloses a power communication network based on OTN assembles the node in 220kV transformer substation and arranges current core SDH equipment, core PTN equipment, and 110kV and following transformer substation arrange current access SDH, PTN and switch equipment, and at the territory of provinceing 500kV transformer substation and the deployment large capacity OTN of core 220kV transformer substation equipment, it is long that the passageway of each OTN equipment room is OTN network wavelength / wavelet. Electric wire netting I, II district professional (power scheduling net bearer service ) bear the network at SDH, and SDH equipment is 2.5G or 10G with the OTN device interface type. The network at PTN is born in electric wire netting III, IV district professional (electric power integrated data network bearer service ), and PTN equipment is GE or 10GE with the OTN device interface type. Adopt the utility model discloses more fibre core resources can be released, when improving the key bandwidth of network core by a wide margin to the scheme network deployment, have realized the optimal configuration of network bandwidth resource to improve the expandability of network greatly, satisfied the nearly at a specified future date demand to the communication network of electric wire netting.

Description

A kind of power telecom network based on OTN

Technical field

The utility model relates to communication technical field, is specifically related to a kind of power telecom network based on OTN.

Background technology

Power telecom network construction is the important step that intelligent grid is built, and is to ensure electric power networks intellectuality and safe operationImportant support. Power communication net loaded electric power enterprise produce and office miscellaneous service, along with Guo Wang company " three collection fiveThe progressively formation of operation architecture greatly ", the bandwidth demand of communication network and channel quality demand present capacity increase severely, concentrate converge,The multiple trend such as business is various. The conventional electric power communication network development adopts extensive construction mode, each province and city according to business demandLaid several cover communication networks (SDH, PTN, switch networking etc.), its networking optical cable fibre core occupation mode schematic diagram is as figureShown in 1, optical cable fibre core resource consumption totally.

Telecommunication transmission equipment development is maked rapid progress, large capacity OTN(OpticalTransportNetwork, light transmissionNet) equipment the transmission that appears as services of large granularities, converge provide may, its similar SDH(SynchronousDigitalHierarchy, SDH) powerful OAM(OperationAdministrationandMaintenance behaviourDo, administer and maintain) ability and abundant interface type provide support for mixed networking.

Summary of the invention

The technical problems to be solved in the utility model is to provide a kind of power telecom network based on OTN, and the utility model hasEffect has solved existing power telecom network optical cable fibre core resource consumption technical problem totally.

The utility model is achieved through the following technical solutions:

Based on a power telecom network of OTN, dispose existing core SDH equipment, core at 220kV transformer station aggregation nodePTN equipment, 110kV and following transformer station dispose existing access SDH, PTN and switch device, in province territory 500kV transformer stationAnd core 220kV transformer station disposes large capacity OTN equipment, the passage of each OTN equipment room is that OTN network wavelength/wavelet is long.

Electrical network I, II district business (electric power dispatching network bearer service) are carried on SDH network, SDH equipment and OTN equipment interfaceType is 2.5G or 10G.

Electrical network III, IV district business (electric integrated data network bearer service) are carried on PTN network, and PTN equipment and OTN establishStandby interface type is GE or 10GE.

The utility model, in conjunction with the improvement of new communication of power system demand and telecommunication transmission equipment performance, has proposed oneThe mixed networking scheme of OTN, SDH, PTN and other transmission equipments, compared with prior art, has following obvious advantage:

1) the utility model proposes communication according to electrical network cable configuration, electrical network business and bandwidth actual demand are set upThe key optical transport network of the large capacity core of OTN, existing SDH, PTN equipment are hung the form mixed networking of OTN equipment below. OTN ringNet plays the transmission of passage transparent transmission, services of large granularities (10G, 10GE, 2.5G, GE) and the function such as converges, and SDH, PTN still can keepExisting network infrastructure, but passage is become from special optical cable fibre core, to take OTN network wavelength/wavelet long.

2) adopt the networking of the utility model scheme, can discharge more fibre core resources, significantly improve the key bandwidth of network coreTime, realize distributing rationally of network bandwidth resources, and greatly improved the expandability of network, meet electrical network closely far awayThe demand of phase to communication network.

Brief description of the drawings

Fig. 1 is that legacy network is built optical cable fibre core occupation mode schematic diagram.

Fig. 2 is the novel mixed networking topology schematic diagram based on OTN technology of the present utility model.

Fig. 3 is mixed networking optical cable fibre core occupation mode schematic diagram of the present utility model.

Fig. 4 is the carrying schematic diagram to electrical network I, II district business of the present utility model.

Fig. 5 is the carrying schematic diagram to electrical network III, IV district business of the present utility model.

Detailed description of the invention

As shown in Fig. 2 to 3, according to a kind of power telecom network based on OTN of the present utility model, converge in 220kV transformer stationThe poly-existing core SDH equipment of node deployment, core PTN equipment, 110kV and following transformer station dispose existing access SDH, PTNAnd switch device, dispose large capacity OTN equipment, each OTN equipment room in province territory 500kV transformer station and core 220kV transformer stationPassage be that OTN network wavelength/wavelet is long.

The electric power secondary system security protection proposing according to " national electric power secondary system security protection overall plan " totalThe feature of strategy and electric power secondary system, the significance level of each related service system and data flow, As-Is and safetyRequirement, is divided into four places of safety by whole electric power secondary system: I real time control area, the non-production control of II district, III production managementDistrict, IV management information area. Wherein I HeII district is electric power dispatching network bearer service; III and IV are mainly electric integrated data network.

As shown in Figure 4, electrical network I, II district service bearer are at SDH network, and SDH equipment and OTN device interface types are 2.5GOr 10G.

As shown in Figure 5, electrical network III, IV district service bearer are at PTN network, and PTN equipment and OTN device interface types are GEOr 10GE.

This network is as follows to every service bearer:

1. building of new network framework

Dispose large capacity OTN equipment in power telecom network core layer and backbone layer, cover core 500kV website, hinge220kV website and ground are adjusted.

2. original transport network traffic passage restructuring

Existing SDH, PTN network are still with existing network topology form, and networking is changed into and taken by special optical cable fibre core modeOTN network wavelength/wavelet is long.

3. electrical network I, II district service bearer

Utilize the abundant interface type of OTN (2.5G, 10G), SDH is with the long networking of OTN wavelet, the original I of electrical network, II district businessStill be carried on SDH network.

4. electrical network III, IV district service bearer

Utilize the abundant interface type of OTN (GE, 10GE), PTN and switch are with the long networking of OTN wavelet, and electrical network is originalIII, IV district business are still carried on PTN network.

OTN is taking wavelength-division multiplex technique as basis, in the transport network of photosphere organization network, is Backbone Transport Network of future generation.OTN has crossed over traditional He Guang territory, electric territory, is the unified standard in management He Guang territory, electric territory, and the basic object that OTN processes is wavelengthLevel business, combines the advantage of the processing in He electricity territory, light territory, and huge transmission capacity, transparent end-to-end ripple completely can be providedLength/wavelet is long to be connected and carrier-class protection.

Abundant interface type, powerful He electricity territory, light territory disposal ability, the carrier-class protection mechanism of OTN is that many nets mergeCondition is provided. The business smallest particles that OTN processes is 2.5G, GE. SDH, PTN and switch are the light transmission of existing maturationEquipment, disposal ability is granule business, as 2M/FE/GE etc.

The utility model, according to power communication demand, in conjunction with current optical transmission device improvement in performance, utilizes the existing light of electric powerCable resource, proposes a kind of mixed networking scheme based on OTN technology, configures large capacity in power system core and backbone nodeOTN equipment, converging and access website configuration SDH and PTN equipment, by network hierarchy mixed networking, realized the network integration,Bandwidth promotes and has reduced cable resource consumption.

The disclosed technological means of the utility model scheme is not limited only to the disclosed technological means of above-mentioned embodiment, alsoComprise the technical scheme being formed by above technical characterictic. It should be pointed out that the ordinary skill for the artPersonnel, not departing under the prerequisite of the utility model principle, can also make some improvements and modifications, these improvement and profitDecorations are also considered as protection domain of the present utility model.

Claims (3)

1. the power telecom network based on OTN, disposes existing core SDH equipment, core at 220kV transformer station aggregation nodePTN equipment, 110kV and following transformer station dispose existing access SDH, PTN and switch device, it is characterized in that: in province territory500kV transformer station and core 220kV transformer station dispose large capacity OTN equipment, the passage of each OTN equipment room be OTN network wavelength/Wavelet is long.

2. a kind of power telecom network based on OTN according to claim 1, is characterized in that: electrical network I, II district business are heldBe loaded in SDH network, SDH equipment and OTN device interface types are 2.5G or 10G.

3. a kind of power telecom network based on OTN according to claim 2, is characterized in that: electrical network III, IV district businessBe carried on PTN network, PTN equipment and OTN device interface types are GE or 10GE.