Detailed Product Description
Construction:
Stainless-steel optical fiber unit
Center tube or layer strand structure
Aluminum alloy wire and aluminum clad steel wire armored
Coated with anticorrosive grease between layers
Product properties:
Fibers are housed in stainless steel tube lead to high reliability
OPGW can support heavy load and long span installation
OPGW can meet the ground wires requirement of mechanical and electric by adjusting proportion of steel and aluminum.
Easy to produce the similar specification of exist ground wire. can replace the exist ground wire
Applying field:
Replace the exist ground wire of exist high voltage power transmission line
Applying properties
lighting protection and conduct the short circuit current
Optical fiber communication ability
Adapt to replace the aged ground wire and new construction of high voltage ground wire
Technical parameter
Fiber countcore | Depends on the cable type |
Usage of Voltage level | Adapt to any voltage level power transmission line |
Bending radius allowed | static20 times cable diameter dynamic40 times cable diameter |
Operation temperature | -40+70 |
Specification of main products:
OPGW- mB1(+nB4)-cross section square[ break forceshort circuit current capacity]
According to the different situation that power transmission line and side ground wire installed,the follows is the technical characteristics of normal specification
Cross section Square (mm2) | Outer diameter (mm) | Weight (Kg/km) | Rated tensile strength (kN) | Modular elastic (kN/mm2) | Linear expansion Coefficient (10-6/) | DC electric Resistance (Ω/km) | Short circuit current capacity (kA2s) |
35 | 8.1 | 250 | 45.2 | 162.0 | 13.0 | 2.433 | 8.9 |
50 | 9.6 | 343 | 63.0 | 162.0 | 13.0 | 1.743 | 16.5 |
70 | 11.4 | 487 | 89.3 | 162.0 | 13.0 | 1.237 | 30.4 |
90 | 12.5 | 368 | 58.2 | 94.1 | 17.3 | 0.473 | 72.7 |
105 | 13.5 | 428 | 67.9 | 94.1 | 17.3 | 0.403 | 98.8 |
130 | 15.0 | 527 | 83.8 | 94.1 | 17.3 | 0.329 | 149.9 |
Typical construction:
Type 1 .Central tube Type 2.layer strand
