OPGW-Stranded Type
Stranded OPGW optical ground wire combines an overhead ground wire with optical communications. It is mainly used for communication lines in 110KV, 220KV, 500KV, 750KV and newly built overhead high-voltage transmission systems. It can replace existing ground wires on older systems, adding optical communications while conducting short-circuit current and providing lightning protection. Special structures can be customized.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Attenuation [G652; 1310 nm] | ≤0.35 dB/km |
| Attenuation [G652; 1550 nm] | ≤0.21 dB/km |
| Attenuation [G655; 1550 nm] | ≤0.22 dB/km |
| Attenuation [50/125; 850 nm] | ≤3.0 dB/km |
| Attenuation [62.5/125; 850 nm] | ≤3.5 dB/km |
| Attenuation [50/125; 1300 nm] | ≤1.0 dB/km |
| Attenuation [62.5/125; 1300 nm] | ≤1.0 dB/km |
| Bandwidth (Grade A) [50/125; 850 nm; Grade A] | ≥600 MHz·km |
| Bandwidth (Grade A) [62.5/125; 850 nm; grade A] | ≥200 MHz·km |
| Bandwidth (Grade A) [50/125; 1300 nm; Grade A] | ≥1200 MHz·km |
| Bandwidth (Grade A) [62.5/125; 1300 nm; grade A] | ≥600 MHz·km |
| Numerical aperture [50/125; ±0.015] | 0.200±0.015NA |
| Numerical aperture [62.5/125; ±0.015] | 0.275±0.015NA |
| Cable Cutoff Wavelength [G652] | ≤ 1260 nm |
| Cable Cutoff Wavelength [G655] | ≤ 1450 nm |
| Optical fiber [Material: G652D / G655 etc.] | 2-144 cores |
| Protective tube [Material: Stainless-Steel Tube] | 1.5-6.0mm |
| Stranded Single Wire [Material: Aluminum-Clad Steel/Aluminum Alloy/Aluminum Rod] | 1.5-6.0mm |
| *Maximum Outside Diameter | 30mm |
| *Maximum Cross-sectional Area | 500mm² |
| *Maximum Tensile Force (RTS) KN | 700 KN |
| *Maximum Flattening Force | 3000 N/100mm |
| *Maximum Short-circuit Current Capacity (40℃~200℃) | 2000 kA2s |
| *Minimum Bend Radius (Dynamic) [Dynamic] | 20D |
| *Minimum Bend Radius (Static) [Static] | 15D |
| Installation Temperature Range | -10~+50 ℃ |
| Operating and Storage Temperature Range | -40~+65 ℃ |
| Tensile force [GB/T 7424.2-E1; load varies with cable construction; specimen length at least 10m, link at least 100m; duration 1min] | 40%RTS: No Significant Fiber Strain (0.01%) or Additional Attenuation (0.03dB); 60%RTS: Fiber Strain ≤0.25%, Additional Attenuation ≤0.05dB (after Removing Tension, No Significant Residual Additional Attenuation (0.03dB)) |
| Crush [GB/T 7424.2-E3; load: per table above; test at 3 points for 10min; 1550nm] | After Testing, Additional Attenuation of Single-Mode Fiber at 1550nm Shall Not Exceed 0.05dB/Fiber; No Mechanical Damage to OPGW |
| Water seepage [GB/T 7424.2-F5 Time: 1 hour Sample Length: 0.5m Water Height: 1m] | No Water Seepage |
| Temperature Cycling [GB/T 7424.2-F1 Sample Length ： No Less Than 500m Temperature Range ：-40℃~+70℃ Number of Cycles ：2 Temperature Holding Time ： No Less Than 12h; 1550nm] | After Testing, Additional Attenuation of Single-Mode Fiber at 1550nm Shall Not Exceed 0.1dB |
| Product standard | Meets DL/T832-2016 Standard |
| Delivery length [Recommended Length; Other Lengths Available to Customer Requirements] | Recommended lengths: 2000m/3000m; other lengths available on customer request. |
Key Features
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