Analysis of OPGW optical cable technology and applications: Introduction With the continuous development of power communication, the application of OPGW optical cable, as the best carrier of power communication, has been accepted by people in power communication systems at home and abroad and has developed rapidly. However, the technical development of OPGW optical cable is constantly innovating along with the requirements of the power system. The structure of OPGW optical cable is diverse, and it is not as simple as the structure of ordinary optical cable. This is because OPGW optical cable must meet the requirements of optical communication and the mechanical and electrical properties of the ground wire of the power system. Therefore, OPGW optical cable is a special optical cable that integrates optical cable and ground wire. Therefore, the technical requirements for OPGW optical cable are much higher than those for ordinary optical cable. OPGW optical cable must not only have stable optical transmission performance, but also have high reliability of ground wire. Development of technology and structure of optical fiber unit: In OPGW optical cable, optical fiber unit is an extremely important subject. From the late 1970s to the early 21st century, the structure of OPGW optical cables has undergone great changes. The root cause of the changes is the continuous improvement of existing problems in the use of OPGW optical cables. The structural improvement is mainly the improvement of the optical fiber unit. It can be said that the optical fiber unit structure has experienced the baptism of each era. At present, the stainless steel tube optical fiber unit is considered to be the best optical fiber unit of OPGW optical cables. The following table lists representative optical fiber units of OPGW optical cables from different eras, and briefly describes their performance characteristics from a technical and objective perspective.
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