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OPGW (Optical Fiber Composite Overhead Ground Wire) is a type of special cable that combines optical fibers with conventional overhead ground wires (OPGW) for power transmission lines. It serves the dual purpose of providing both electrical grounding and optical communication capabilities.

OPGW cables are designed to be installed alongside the high-voltage transmission lines, typically as a replacement for the conventional steel or aluminum ground wires. The optical fibers embedded within the OPGW cable allow for high-speed, high-capacity data transmission, enabling efficient communication between substations, control centers, and other critical components of the power grid.

The key advantages of OPGW include its high reliability, excellent electromagnetic interference immunity, and the ability to coexist with existing power transmission lines without requiring separate right-of-ways or additional infrastructure. Further更多, OPGW cables are designed to withstand the harsh conditions encountered in outdoor environments, such as extreme temperatures, wind, and ice loads.

In summary, OPGW cables provide a cost-effective and efficient solution for integrating optical fiber communication into power transmission systems, enhancing the reliability and performance of the overall power grid.