Products Profile
The 24 Core OPGW Fiber Cable is wrapped by metal wire, which makes the cable more reliable, stable and firm. It adopts aluminum clad steel wire, which is equivalent to a good conductor overhead ground wire. It can receive various benefits such as reducing potential power supply flow of transmission line, reducing power frequency over voltage and improving power line's interference and dangerous influence on communication line.
Because this type of optical fiber has the characteristics of anti-electromagnetic interference and light weight, it can be installed on the top of transmission line tower without considering the problems such as the optimal mounting position and electromagnetic corrosion. Therefore, OPGW has higher reliability, superior mechanical properties.
Product Specifications
| Project | Parameter |
| Optical fiber | 24 |
| SST Diameter(±0.1mm) | 4.4 |
| AS 30% Diameter(±0.05mm) | 3.2 |
| AS 30% | 7 |
| Cable Diameter(±0.2mm) | 10.9 |
| Cable Weight(±5Kg/km) | 345 |
| Computed Sectional Area(mm2) | 58.07 |
| Rated Breaking Force(KN) | 51 |
| Dc Resistance at 20℃(Ω/km) | 0.95 |
| Short Circuit Current Capacity(KA2S) | 25.5 |
| Modulus of Elasticity(G Pa) | 162 |
| Coefficient of Linear Expansion(×10-6/℃) | 12.8 |
| Ratio of Tension To Weight(km) | 13.8 |
| Outermost Hinge Direction | Right direction |
| Static Bending Radius(mm) | 20D |
| Dynamic Bending Radius(mm) | 35D |
| Storage Temperature(℃) | -60～70 |
| Installation Temperature(℃) | -10～70 |
| Operating Temperature(℃) | -60～70 |
| Optical Fiber Type | G.652D | |
| Attenuation Coefficient | @1310nm | ≤0.36 dB/km |
| @1383nm | ≤0.35 dB/km | |
| @1550nm | ≤0.22 dB/km | |
| @1625nm | ≤0.22 dB/km | |
|
Effective Group Refractive Index |
@1310nm | 1.467 |
| @1550nm | 1.467 | |
| Polarization Mode Dispersion | ≤0.1 ps/√km | |
| MFD 1310 nm | 9.0±0.3 um | |
| MFD 1550 nm | 10.0±0.3 um | |
| Cladding Diameter | 125.0±1.0 um | |
| Cladding Non-Circularity | ≤1.0 ％ | |
| Core/Cladding Concentricity Error | ≤0.8 um | |
| Coating Diameter | 242±7 um | |
|
Core No-Circularity |
≤6.0 ％ | |
| Coating/Cladding Concentricity Error | ≤12.0 um | |
| Cable Cut-Off | ≤1260 nm | |
| Zero Dispersion Wavelength | 1312±10 nm | |
| Dispersion Slope | 0.092 ps/(nm2∙km) | |
| PMD Link Design Value | ≤0.05ps/√km | |
Product Features
- Designed, tested and manufactured to high quality standards, it is made from Grade A materials to ensure long-term reliability and is suitable for retrofitting old lines.
- The compact and lightweight designs of 24 Core OPGW Fiber Cable reduce influences of wind and ice, and minimize loading of the towers of the power line grid.
- By protecting the opticing fibre using a gel filled stainless steel tube which has a high radial thermal resistance, OPGW temperatures up to 300℃ can be allowed in a single phase short-circuit situation
- The 24 Core OPGW Fiber Cable achieves high strength and small diameter by selecting the right type and size for the aluminium cladded steel wires in the center of the structure
- The OPGW fiber cable is designed with properties that maximally approach those of conventional earth wires in order to meet short-circuit requirements and to ensure secure operation of the power line circuit.
- OPGW is a dual-function cable that can be used as a ground as well as a patch for transmitting voice, video or data signals. The cable is designed for installation on transmission and distribution lines for voice, data and video communications, especially in lightning waveform monitoring systems, overhead test line observation systems, maintenance data information systems, power line protection systems, power line operating systems and unattended substation monitoring.
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| Project | Parameter |
| Optical fiber | 24 |
| SST Diameter(±0.1mm) | 4.4 |
| AS 30% Diameter(±0.05mm) | 3.2 |
| AS 30% | 7 |
| Cable Diameter(±0.2mm) | 10.9 |
| Cable Weight(±5Kg/km) | 345 |
| Computed Sectional Area(mm2) | 58.07 |
| Rated Breaking Force(KN) | 51 |
| Dc Resistance at 20℃(Ω/km) | 0.95 |
| Short Circuit Current Capacity(KA2S) | 25.5 |
| Modulus of Elasticity(G Pa) | 162 |
| Coefficient of Linear Expansion(×10-6/℃) | 12.8 |
| Ratio of Tension To Weight(km) | 13.8 |
| Outermost Hinge Direction | Right direction |
| Static Bending Radius(mm) | 20D |
| Dynamic Bending Radius(mm) | 35D |
| Storage Temperature(℃) | -60～70 |
| Installation Temperature(℃) | -10～70 |
| Operating Temperature(℃) | -60～70 |
