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Power system adss cable communication network

Power system adss cable communication network
Power system communication network adss cable is the special communication network in the larger scale, development of our country more perfect private network.With the acceleration of communication adss cable network packtized process, our country electric power special communication adss cable network in many areas has been basically completed the process of transition from trunk to access to the optical fiber.At present, the main business of the optical fiber communication load of power system such as adss cable,voice, data, broadband and IP conventional telecom business;Electric power production professional business has required for protection and safety automatic devices and power market of broadband data, and so on.Protection and safety automatic device, in particular, the reliability and security of the fiber optic cable put forward higher requirements.Optical fiber communication has become, as it were, the safe and stable operation of power system and power system production indispensable an important part of life.Optical fiber communication in the application of the electric power communication was first used the traditional telecom department buried, pipes, overhead methods such as ordinary optical cable laying, power optical fiber communication system.It is well known that the power system is made up of electricity production, transmission, distribution, and consumption of a whole.To achieve cross-regional and long distance power transmission, power system construction of the high voltage transmission lines throughout;To meet the urban and rural production and living demand, the general public and freely crisscross, densely distribution pole road and channel of street village.High, medium and low pressure electric line is, as it were, at present the coverage of the network infrastructure, and it is based on solid, as compared with other networks such as telecommunications, radio and television networks have a higher reliability.Therefore, how to make full use of the power system, a unique network resources, is a long time people an important subject of studying. 
With the progress of technology, by s and eighty s of last century, some is different from the traditional optical cable attached to power line and the two on the electric power poles of photoelectric composite fiber was developed, the cable is referred to as the power of special cable.Power system, optical fiber communication and optical fiber communication system is one of the biggest difference between other special sexual communication optical cable.Electric power special optical cable by forces destroy the possibility of a small, high reliability, while its cost is relatively high, but the construction cost is low.After years of development, the current electric power special cable manufacturing and engineering design have been mature, especially the OPGW and ADSS technology, in the domestic electric power special fiber optic cable has begun large-scale applications, such as long-distance backbone OPGW cable line in the three gorges project.Special optical fiber on power system circuit resources, avoids the frequency resources, routing of harmonizing the contradiction, the respect such as electromagnetic compatibility with the outside world and entanglements, there is a lot of initiative and flexibility.