OPGW/Ground Wire

OPGW AP

Protection of power lines from lightning overvoltage, construction of optical communication systems

1

Central strength member (fiberglass reinforced plastic)

4

Water-swellable yarns

2

Optical fiber

3

PBT loose tubes filled with water-blocking gel

4

Water-swellable yarns

5

Water-swellable tape

6

Thermal barrier

7

Aluminum pipe

8

Aluminum-clad steel wires and/or aluminum alloy wires

Convenient splice preparation

Up to 144 fibers in a tube

Highly corrosion-resistant: ACS wires and aluminum pipe

Optical ground wire (OPGW) shields high-voltage conductors from lightning strikes

Aluminum alloy wires provide conductivity for fault current

Crush — 1 kN/cm
Fiber count up to 144
Cable diameter, mm 13.4...25.4
Cable weight, kg/km 446.4...1339.3
Rated breaking strength (RBS), kN 25...210
Maximum rated design tension (MRDT), kN 15...125
Elasticity modulus (final), kN/mm2 48...115
Short circuit capacity (initial temp 104°F, final temp 410°F), kA²•s 5...400
Short circuit current for 1 s, кА 3...30

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Operation temperature -60°С…+85°С
Installation temperature -30°С…+50°С
Transportation and storage temperature -60°С…+70°С
Minimum bending radius 20x cable diameter
Life time 50 years