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Cáp quang OPGW mặt cắt ngang lớp trung tâm 75
According to IEEE std 1138,IEC 60794-4 standards
| Named | No. | Diameter | ||
| Structure Details | Center | SUS-Tube | 1 | 4.00 mm |
| Layer 1 | 20% AS Wire | 6 | 4.00 mm |
|
According to IEEE std 1138,IEC 60794-4 standards |
||
|
Stranding direction of outer layer is "Right-hand" |
||
|
Fiber No. & Type |
24 G652. | |
|
Standard Diameter |
12.00 mm | |
|
Supporting Cross Section |
75.40 mm2 | |
|
Section of AS wire |
75.40 mm2 | |
|
Approximate mass |
534.5 kg/km | |
| Technical Data |
Ultimate Tensile Strength |
91.2 KN |
|
Rated Tensile Strength |
86.7 KN | |
|
Maximum Allowable Tension(40%RTS) |
459.80 KN/mm2 | |
|
Everyday Stress(20%RTS) |
229.9 KN/mm2 | |
|
Strain Margin Stress(70%RTS) |
804.7 KN/mm2 |
|
|
Modulus of Elasticity |
162.0 Gpa | |
|
Thermal Elongation Coefficient |
13.0
×10-6/℃ |
|
|
Calculated D.C. Resistance at 20℃ |
1.139Ω/km |
|
|
Short-Circuit Current (0.25 sec, 20～200℃) |
11.1 KA | |
|
Short-Circuit Current Capacity(20～200℃) |
30.9
kA2·s |
|
|
Minimum Bending Radius |
240 mm | |
|
Ratio between Pull and Weight |
17.40 mm | |
| Temperature Rage |
Installation |
-10℃～+50℃ |
|
Transportation and Operation |
-40℃～+80℃ |
Other
Cáp OPGW l 24 lõi mặt cắt ngang 85 singe mode
The central AL-covered steel tube is surrounded by single or double layers of aluminum clad steel wires(ACS) or mix ACS wires and aluminum alloy wires.AL-covered Stainless Steel Tube design increases the cross section of AL,to reach a better fault current and lightning resistance performance.Apply to the transmission line which requires small diameter and large fault current.