OPGW Optical Ground Wire

OPGW Optical Ground Wire

Stranded Unit Type in The Eccentric Inner Layer Of Cable

Layered stranded OPGW is one or more fiber-optic stainless steel units and aluminum-clad steel wires together, with stranded technology to fix the cable, aluminum-clad steel wire stranded layers of more than two layers, the product features can accommodate multiple fiber-optic unit tubes, fiber core capacity is large. At the same time, the cable diameter is relatively large, and the electrical and mechanical properties are better. The product features light weight, small cable diameter and easy installation.


Product Detail

FAQ

Product Tags

Optical ground wire (OPGW) is a dual functioning cable. It is designed to replace traditional static/shield/earth wires on overhead transmission lines with the added benefit of containing optical fibers which can be used for telecommunications purposes. OPGW must be capable of withstanding the mechanical stresses applied to overhead cables by environmental factors such as wind and ice. OPGW must also be capable of handling electrical faults on the transmission line by providing a path to ground without damaging the sensitive optical fibers inside the cable.

The OPGW cable design is constructed of a fiber optic core (with multiple sub-units depending on the fiber count) encased in a hermetically sealed hardened aluminum pipe with a covering of one or more layers of steel and/or alloy wires. Installation is very similar to the process used to install conductors, although care must be taken to use the proper sheave or pulley sizes so as not to cause damage or crush the cable. After installation, when the cable is ready to be spliced, the wires are cut away exposing the central aluminum pipe which can easily be ring-cut with a pipe cutting tool. The color-coded sub-units are preferred by most users because they make splice box preparation very simple.

Product Video

Product Features

Preferred option for easy handling and splicing.

Thick-walled aluminum pipe (stainless steel) provides excellent crush resistance.

Hermetically sealed pipe protects optical fibers.

Outer wire strands selected to optimize mechanical and electrical properties.

Optical sub-unit provides exceptional mechanical and thermal protection for fibers.

Dielectric color-coded optical sub-units are available in fiber counts of 6, 8, 12, 18 and 24.

Multiple sub-units combine to achieve fiber counts up to 144.

Small cable diameter and light weight.

Obtaining appropriate primary fiber excess length within stainless steel tube.

The OPGW has good tensile, impact and crush resistance performance.

Matching with the different ground wire.

Applications

For use by electric utilities on transmission lines in lieu of traditional shield wire.

For retrofit applications where existing shield wire needs to be replaced with OPGW.

For new transmission lines in lieu of traditional shield wire.

Voice, video, data transmission.

SCADA networks.

Cross Section

Cross Section

Specifications

Model Fiber Count Model Fiber Count
OPGW-24B1-90 24 OPGW-48B1-90 48
OPGW-24B1-100 24 OPGW-48B1-100 48
OPGW-24B1-110 24 OPGW-48B1-110 48
OPGW-24B1-120 24 OPGW-48B1-120 48
OPGW-24B1-130 24 OPGW-48B1-130 48
Other type can be made as customers request.

Packaging And Drum

OPGW shall be wound around a non-returnable wooden drum or iron-wooden drum. Both ends of OPGW shall be securely fastened to drum and sealed with a shrinkable cap. The required marking shall be printed with a weatherproof material on the outsides of drum according to customer's requirement.

Packaging And Drum
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