OPGW is designed to replace traditional static,shield,ground cables in overhead transmission lines，it’s of additional telecommunications purposes because of containing optical fibers inside.
Optical Ground Wire OPGW Cable
Optical Ground Wire OPGW Cable is able to withstand the mechanical stresses applied to aerial cables by
environmental factors such as wind,rain and ice etc.It also handles electrical
defects in the transmission line by providing a path to earth without damaging
the sensitive optical fibers inside the cable.Any further information,please
reach SZOPT for details.
Application:
Reconstruction of old power lines;
High Voltage＞110kV
Coastal chemical industrial areas with heavy chemical pollution.
Feature:
Good mechanical and environmental characteristics;
Good optical performance;
Dual function of grounding wire&communication optic cable;
Eliminating the cost of repeated erection & maintenance.
Package:
1km/2km/3km per drum or custom.
Mechanical Characteristics:
Supporting Cross Section
＞100.39mm2
RTS
＞70kN
E-Modulus
＞110kN/mm2
Thermal Elongation Coefficient
15.1x10-6/℃
MAT(40%RTS)
＞375N/mm2
EDS(16%-25%RTS)
150~235N/mm2
Strain Margin Stress(60%RTS)
563N/mm2
DC Resistance(at 20℃)
0.6Ω/km
Short Circuit Capacity
63 KA2S
Installation Tensile Strength(≤20%RTS)
≤19 kN
Temperature Range
-10℃～+50℃(Installation)
-40℃～+80℃(Operation)
Optical Characteristics:
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G652D |
G657A1 |
G657A2 |
G657B3 |
G.655 |
62.5/125 |
50/125 |
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Attenuation
(+20℃)
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@850nm |
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≤3.5dB/km |
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@1300nm |
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≤1.5dB/km |
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@1310nm |
≤0.45dB/km |
≤0.40dB/km |
≤0.45dB/km |
≤0.50dB/km |
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@1550nm |
≤0.30dB/km |
≤0.50dB/km |
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Bandwidth
（Class A）
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@850 |
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≥200MHZ·km |
≥500MHZ·km |
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@1300 |
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≥500MHZ·km |
≥500MHZ·km |
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Numerical Aperture |
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0.275±0.015NA |
0.200±0.015NA |
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Cut-off Wavelength |
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≤1260nm |
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≤1480nm |
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