OPGW Fiber Optical Ground Wire Layer Strand Cable

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OPGW Fiber Optical Ground Wire Layer Strand Cable

OPGW meaning Optical Fiber Composite Overhead Ground Wire. As fiber and ground wire in the same cable structure, not only it can avoid lightning, but also suitable for communications.

Overview

Description

OPGW fiber cable is a fiber optic cable which applied in power transmission lines. Because of it’s cable structure, it maintains all the performance of the overhead ground wire, and also opens up for fiber communication network without adding another hanging line.

When aluminum clad steel wire or aluminum alloy wire is used on the opgw fiber cable, it’s equivalent to erecting a good conductor overhead ground wire. Which can reduce the secondary arc current of transmission line, reduce the power frequency overvoltage. And also improve the protection of interference and danger of power line on transmission line.

Application

Transmission Power Lines

Features

OPGW fiber is protected by aluminum clad steel wire or aluminum alloy wire, highly stable and reliable
Save installation costs without hanging cable required
Hanging position and electromagnetic corrosion worry free for fiber unit
Commercial for newly erected lines and replacement for existing ground lines

Specifications

Optical Characteristics

Optical Characteristics		G.652	G.655	50/125μm	62.5/125μm
Attenuation (+20℃)	@850nm			≤3.0 dB/km	≤3.3 dB/km
	@1300nm			≤1.0 dB/km	≤1.0 dB/km
	@1310nm	≤0.36 dB/km	≤0.40 dB/km		@1310nm
	@1550nm	≤0.22 dB/km	≤0.23dB/km
Bandwidth	@850nm			≥500 MHz·km	≥200 MHz·km
	@1300nm			≥500 MHz·km	≥500 MHz·km
Numerical Aperture				0.200±0.015NA	0.275±0.015NA
Cable Cut-off Wavelength λcc		≤1260nm	≤1450nm