OPGW cable is a versatile solution that combines the functions of a traditional overhead ground wire with a high-performance fiber optic communication system. By integrating optical fibers within a sturdy ground wire structure, it enables efficient data transmission along power transmission lines.
Ideal for both new construction and ground wire replacement projects, OPGW offers several key advantages:
- Efficient Space Utilization: The lightweight and compact design allows for easy installation on top of transmission towers without complex hanging arrangements.
- Enhanced Performance: The cable’s inherent resistance to electromagnetic interference ensures reliable data transmission, even in challenging environments.
- Cost-Effective Solution: By combining two essential infrastructure components into a single cable, OPGW streamlines installation and reduces overall project costs.
OPGW cable provides a dependable and future-proof communication network while safeguarding your power transmission infrastructure.
Key Features
- Combines ground wire and fiber optic functions
- Suitable for new construction and upgrades
- Lightweight and easy to install
- Immune to electromagnetic interference
- Cost-effective and efficient
Optical Characteristics
| Optical Characteristics | G.652 | G.655 | 50/125μm | 62.5/125μm | |
|---|---|---|---|---|---|
| Attenuation (+20℃) | @850nm | ≤3.0 dB/km | ≤3.3 dB/km | ||
| @1300nm | ≤1.0 dB/km | ≤1.0 dB/km | |||
| @1310nm | ≤0.36 dB/km | ≤0.40 dB/km | @1310nm | ||
| @1550nm | ≤0.22 dB/km | ≤0.23dB/km | |||
| Bandwidth | @850nm | ≥500 MHz·km | ≥200 MHz·km | ||
| @1300nm | ≥500 MHz·km | ≥500 MHz·km | |||
| Numerical Aperture | 0.200±0.015NA | 0.275±0.015NA | |||
| Cable Cut-off Wavelength λcc | ≤1260nm | ≤1450nm | |||
Technical Parameters
| Fiber Count | Fiber Unit | Nominal Diameter (mm) | Weight (kg/km) | Rated Breaking Force (kN) | 20℃ DC Resistance （Ω/km) |
|---|---|---|---|---|---|
| OPGW 24 | 1 | 12.6 | 615.4 | 107.4 | 0.9718 |
| OPGW 30 | 1 | 14.55 | 819.2 | 143.64 | 0.7244 |
| OPGW 36 | 1 | 15.6 | 934.7 | 164.44 | 0.6326 |
| OPGW 48 | 1 | 17.1 | 1125.0 | 193.32 | 0.5260 |