OPGW Cable
OPGW (Optical Ground Wire) cable is used in power transmission lines for both protection against lightning and data transmission, meeting the demand for high-capacity communication.Furukawa Electric, manufactures OPGW cable in Brazil and resells fixing hardware and accessories. Installation design, supervision services, training, splicing and field-testing are also in Furukawa's scope of supply. All this guarantees electrical, mechanical and optical characteristics of the cable and its components.
OPGW (Optical Ground Wire) cable is used in power transmission lines for both protection against lightning and data transmission, meeting the demand for high-capacity communication.Furukawa Electric, manufactures OPGW cable in Brazil and resells fixing hardware and accessories. Installation design, supervision services, training, splicing and field-testing are also in Furukawa's scope of supply. All this guarantees electrical, mechanical and optical characteristics of the cable and its components.
OPGW Cable
Stainless steel tube |
Aluminum clad steel wires 40%IACS (First layer) |
Aluminum clad steel wires 40%IACS (Second layer – outer) |
OPGW cablecomposed ofastainless steel tube (maximum capacity of 36 fibers SM or NZD), aluminum clad steel wires (40%IACS) in the first layer and aluminum clad steel wires (40%IACS) in the second layer (outer).
Installation Environment | Overhead transmission lines |
Operating Environment | Ground wire cable for overhead transmission lines |
Characteristics | Value |
Nominal cross section area (mm2) | 159 |
Center: stainless steel tube – qty. x diameter (mm) | 1 x 3.30 |
Layer 1: aluminum clad steel wires 40% IACS – qty. x diameter (mm) | 6 x 3.35 |
Layer 2: aluminum clad steel wires 40% IACS – qty. x diameter (mm) | 12 x 3.35 |
Lay direction – outer layer | Left hand |
Nominal overall diameter (mm) | 16.75 |
Tensile strength (kN) | 97.0 |
Approximate mass (kg/km) | 768 |
Electrical resistance DC at 20ºC (Ω/km) | 0.272 |
Módulus of elasticity (N/mm2) | 109,000 |
Coefficient of linear expansion (1/ºC) | 15.5 x 10-6 |
Short circuit current capacity – Ambient = 50oC (kA2.s) | 190 |
Lightning (C) | 150 |
Bending radius (mm) | 251.3 |
Optical fibers coated by acrylate resin which could be SM (Singlemode) or NZD (Non-Zero-Dispersion)
Fibra | Cor |
1 | Blue |
2 | Orange |
3 | Green |
4 | Brown |
5 | Gray |
6 | White |
7 | Red |
8 | Natural |
9 | Yellow |
10 | Violet |
11 | Rose |
12 | Aqua |
13 to 24 | Same color (1 to 12) with 1 black ring mark |
25 to 36 | Same color (1 to 12) with 1 black ring mark |
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