Opgw Cable (Optical overhead ground wire)
Opgw Cable (Optical overhead ground wire) image
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Product Details
Description:
OPGW cable is the short form of Optical Fiber Composite Overhead Ground Wire. OPGW cable is suitable for installation on new power lines with double function of ground wire and communication. Especially for installation on normal voltage and extra high voltage power lines. OPGW cable can replace conventional ground wire of old power line with increasing fiber communication function. OPGW cable conduct short circuit current and provide lightning resistance.
OPGW Cable Structure: Central sealed aluminum-covered stainless tube
— The optical fibers loosely places in a hermetically sealed Aluminum-covered stainless tube unit
— Single or multi layer ACS and AA wires are stranded together around the central aluminum-covered stainless tube
OPGW Cable Features:
(1) Extremely good corrosion resistance
(2) Improved lightning resistance and fault current
(3) Double tube design offers better resistance of the optical fiber from moisture and horizontal fluid penetration resistance
(4) Small diameter, light weight and compact design
(5) No anticorrosion grease, clean environment, longer life
Installation Guide:
Item | Material | Pcs/diameter |
Optical fiber | ITU-T G.652D | 24 |
Loose tube qty | Loose tube | 4 pcs |
Optical fiber tube | Aluminum clad steel tube | 1* 7.50mm |
Outer layer | ACS wires | 12* 2.50mm(LB20.3) |
AA wires | NA |
Technical data sheet:
According to IEC60794-4, IEEE-1138 standards Stranding direction of outer layer is right hand (Z-stranding) |
||
Cable diameter | 12.50mm | |
Cable weight | 479kg/km | |
Cross section area | 82.65mm2. | |
Section of ACS wire | 58.88mm2 (LB20.3) | |
Ultimate tensile strength (RTS) | 73kN | |
Rated tensile strength (RTS) | 69.69kN | |
Modulus of elasticity (E-Modulus) | 138kN/ mm2 | |
Thermal elongation coefficient | 14.0×10 -6 / 0 C | |
Permissible maximum working stress (42% RTS) | 29.27kN | |
Everyday stress (25% RTS) | 17.42kN | |
Ultimate exceptional stress (72% RTS) | 50.18kN | |
Maximum Permissible Installation Force | 29.27kN | |
DC resistance at 20 0 C | 0.6692ohm/km | |
Short circuit current (35~200degC,0.5s)(kA) | 8.97 | |
Short circuit current capacity (Initial temperature t = 35 o C,0.5s) |
40kA 2 /s | |
Maximum conductor temperature during short circuit | +200 o C | |
Drum length | 5000m | |
Drum sizes | 1.6*1.1*1.6m | |
Minimum bending radius: |
Installation (mm) | ≤20*D (D: overall diameter) |
Operation (mm) | ≤10*D (D: overall diameter) | |
Temperature range | -10 o C ~ +50 o C (Installation) -40 o C ~ +80 o C (Operation) |
Package*Shipment:
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Tags: Fiber Optical Cable, Opgw Cable, Optical Cable, powtech