Description of OPGW:
The Central Tube Optical Ground Wire(OPGW) is surrounded by single or double layers of aluminum clad steelwires(ACS) or mix ACS wires and aluminum alloy wires, their design is fully adapted to the most common electric line needs.
Typical Design:
Named | NO. | Diameter | ||
Center | Aluminum Tube SUS-Tube | 1 1 | 5.20mm 3.00mm | |
Structure Details | ||||
Layer1 | 20%AS wire | 7 | 3.90mm |
Design Details:
Technical Data | According to IEEE std 1138,IEC 60794-4 standards |
Stranding direction of outer layer is "Right-hand" | |
Fiber No. & Type 24 G652. | |
Standard Diameter 13.00 mm | |
Supporting Cross Section 83.62 mm2 | |
Section of AS wire 83.62 mm2 | |
Section of Optical unit 13.19 mm2 | |
Approximate mass 613.3 kg/km | |
Rated Tensile Strength 94.1 KN | |
Maximum Allowable Tension(40%RTS) 450.0 N/mm2 | |
Everyday Stress(16%~25%RTS) 180~281.3 N/mm2 | |
Strain Margin Stress(60%RTS) 675.0 N/mm2 | |
Modulus of Elasticity 147.6 Gpa | |
Thermal Elongation Coefficient 13.5×10-6/℃ | |
Calculated D.C. Resistance at 20℃ 0.695 Ω/km | |
Short-Circuit Current (1 sec,40℃) 7.3 KA | |
Short-Circuit Current Capacity 54.0 kA2·s | |
Minimum Bending Radius 260 mm | |
Ratio between Pull and Weight 15.64 KM | |
Temperature Rage | Installation -10℃～+50℃ |
Transportation and Operation -40℃～+80℃ |
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