Power line fiber optic cable are various composite cables and special optical cables that are used in power systems to give consideration to both power transmission and communication network. Typical fiber cable structures for power line fiber optic cable system are the OPGW and ADSS.
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OPGW means optical fiber composite overhead ground wire. Optical fibers are placed in the ground wire of the overhead high-voltage transmission line to form an optical fiber communication network on the transmission line. Therefore, the OPGW optical cable has the dual functions of ground wire and communication.
ADSS is all dielectric self supporting fiber optic cable. It has no metal, tension resistance, self supporting, high insulation, non-inductive, small diameter and light weight. As a result, the ADSS cable is easy for construction and has economic efficiency.
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The cloak of armor of OPGW fiber optic cables has excellent mechanical strength properties. As a result, optical fibers are protected from abrasion, tension and lateral pressure. This fundamentally ensures that the optical fibers are not damaged by external forces..
Besides, ZMS fiber optic cables have excellent resistance to lightning discharges and short-circuit current surges. Thus, optical fibers can continue to work normally in the event of lightning and short circuits.
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