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STRANDED DOUBLE STAINLESS STEEL TUBE
OPGW (Optical Fiber Composite Overhead Ground Wire) is a composite cable that integrates communication optical fibers into the overhead ground wire of power lines.
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Advantages
- Dual functions: It simultaneously provides lightning protection for power lines and high-speed communication transmission.
- High reliability: Set up with power transmission towers, the path is safe and reliable, and has strong disaster resistance. The armored structure protects the optical fiber from external force damage and environmental erosion.
- Economical and efficient: It is erected on the same tower as the power line, saving the separate routing license and construction cost of the communication line. Resource sharing and low overall cost.
CENTRAL STAINLESS STEEL TUBE Data Sheet
Cable Type: OPGW – 2S 2 / 36 ( M120 / R73 – 92 )
Cross Section:
Fiber type: 72xG.652D
| Design： | ||||
| Name | No | Material Dia. | ||
| Center | 40%ACSwire | 1 | 3.10 | mm |
| Layer1 | 40%ACSwire | 4 | 2.95 | mm |
| AA(LHA2)wire | 0 | |||
| SUS Tube | 2 / 36 | 2.90 | mm | |
| Layer2 | 40%ACSwire | 12 | 3.00 | mm |
| AA(LHA2)wire | 0 |
| Stranded:core and layer1 greased | |||||||
| stranding direction of outer layer is “right” hand(Z-stranding) | |||||||
| Cable Diameter | 15.00 | mm | |||||
| Cable Weight | 605 | kg/km |
| Technical Data: | According to: IEC 60794 standards | |||||||
| Supporting Cross Section | 119.71 | mm2 | ||||||
| Section of ACS Wire / AA Wire | 119.71 / 0.00 | mm2 | ||||||
| Rate Tensile Strength (RTS) | 73.3 | kN | ||||||
| Modulus of Elasticity (E-Modulus) | 109.0 | kN/mm2 | ||||||
| Thermal Elongation Coefficient | 15.5 | 10-6/℃ | ||||||
| Permissible Maximum Working Stress(MAT) (40%RTS) | 244.8 | N/mm2 | ||||||
| Everyday Stress（EDS) ( 16%~25%RTS) | 97.9 | ~ 153.0 | N/mm2 | |||||
| Strain Margin Stress (60%RTS) | 367.2 | N/mm2 | ||||||
| DC Resistance ( 20 ℃) | 0.366 | Ω/km | ||||||
| Short Circuit Current ( 0.5s, 35℃~180℃) | 13.60 | kA | ||||||
| Short Circuit Current Capacity ( 35℃~180℃) (I²t) | 92.48 | kA2s | ||||||
| Minimum Bending Radius (installation) | ≥ 375 | mm | ||||||
| Installation Tensile Strength (≤20%RTS) | ≤14.7 | kN | ||||||
| Temperature | Installation | -10℃ ~ +50 | ℃ | |||||
| Range: | Transportation and Operation | -40℃ ~ +80 | ℃ |
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Applications
- Power communication dedicated network: Relay protection signals, dispatching telephones, automatic control, data monitoring, etc. for high-voltage/ultra-high-voltage transmission lines.
- Smart grid: Building the backbone network for information transmission in the power system to support smart substations, distribution network automation, and electricity consumption information collection, etc.
