Sichuan Yuantong Communication Co., Ltd.
Sichuan Yuantong Communication Co., Ltd. Professional optical fiber cable and copper wire manufacturer.
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Optical Fiber Composite Ground Wire 30 Core Single Mode Uni-Tube Overhead Aerial Opgw Cable
Description:
The fibers is placed loosely in a sealed and water resistant stainless steel tube filled with water blocking gel. This tube provides protection to the fiber during installation and operation under severe environmental conditions. Aluminium layer over the tube is optional. The stainless optical tube is located at the center of the cable protected by single or multiple layers of aluminium clad steel and aluminium annoy wires. The aluminium clad steel wires are shaped trapezoidally around the optical unit to provide compact construction. The metallic wires provide mechanical strength to withstand severe installation and operating conditions, while achieving conductivity to controltemperature rise during short circuit conditions.
Application:
Optical fiber composite ground wire [OPGW] is suitable for installation on new power lines with double function of ground wire and communication. Especially for installation on normal voitage and extra high voltage power lines. OPGW can replace conventional ground wire of old power line with increasing fiber communication function. They conduct short circuit current and provide lightning resistance.
Features:
1. Up to 144 fibers
2. Cable diameter and weight approximate with another ground wire. Less additional load to tower, high tensile strength.
3. Excellent stainless steel tube stranding technology make the fibers have good secondary excess length and allow the fibers free movement in the tube. Which keeps the fiber stress-free while the cable is subjected to longitudinal stress.
4. Optical fibers are protected by stainless steel tubes.
5. Excellent security, good bullet resist performance.
6. ACSW, AAW and SST stranded design provide wide range combination of electrical conductivity and mechanical tensile strength.
| Number /diameter(mm) of | 1/3.0 |
| stainless steel tube | |
| Number /diameter of AL wire(mm) | 12/3.0 |
| Number /diameter of ACS wire(mm) | 6/3.0 |
| Diameter of Cable (mm) | 15 |
| RTS(KN) | 80 |
| Cable weight (kg/km) | 527 |
| DC resistance(200C W/km) | 0.327 |
| Modulus of elasticity(Gpa) | 97.8 |
| coefficient of Linear thermal | 17.2 |
| expansion(1/℃×10-6) | |
| Short circuit capacity (kA²s) | 150.4 |
| Max. operation temperature (℃) | 200 |
| Max. fiber count | 30 |
| NO. | Subject | Unit | Technical parameter |
| 1 | Optic fiber type | / | G.652D |
| 2 | Numbers of optic fiber cores | Cores | 96/128 |
| 3 | Attenuation characteristics | 1310nm(dB/km) | ≤0.35 |
| 1550nm(dB/km) | ≤0.22 | ||
| 4 | Cable external diameter | mm | ≤12.8 |
| 5 | Weight per unit length of optic cable | kg/km | ≤502 |
| 6 | Total cross section | mm² | 79.38 |
| Cross section of aluminum clad steel wire | mm² | 79.38 | |
| 7 | Rate tensile strength RTS | kN | 62.0 |
| 8 | Elastic modulus | GPa | 132 |
| 9 | Linear expansion coefficient | ×10-6/℃ | 13.8 |
| 10 | 20℃ DC resistance | Ω/km | ≤0.740 |
| 11 | Shortcut current(0.5s,20℃～200℃) | kA | 9.21 |
| 12 | Allowable short circuit current capacity (0.5s,20℃～200℃) | kA².S | ≥42.4 |
| 13 | Maximum allowable temperature | ℃ | 200 |
| 14 | Maximum allowable tension(40%RTS) | kN | 24.80 |
| 15 | Annual average operatingtension(25%RTS) | kN | 15.50 |
| 16 | Minimum allowable bending radius | operation:mm | 15D |
| construction:mm | 20D | ||
| 17 | Storage installation temperature | Storage(℃) | -40～+80 |
| Installation(℃) | -10～+50 |
