2. AERIAL OPTICAL FIBRE CABLES: TYPES
New Line or Replacement
of Conductors on Existing Line
Existing Line and No Need
for Replacement of Conductors
OPPC ADSS or MASS
No Ground Wire No Ground Wire
Ground Wire
Lash or Wrap
Ground Wire
OPGW Lash or Wrap on
Phase Conductors
3. WHAT ?
Optical fiber ground wire
WHERE ?
On transmission lines at the top of the
towers
On new transmission lines or existing lines
FUNCTIONS:
OPGW can perform both the function of
ground wire and telecommunication.
OPGW: WHAT ?, WHERE ?
Optical Fiber
& Gel
FRP
Loose Tube
Thermal
Barrier
Al-tube
As Wire
(23% IACS)
4. OPGW: ACCESSORIES
Suspension Fittings
Single
Double
Dead End Fittings
Sheath Stripper
Splice Enclosure
Vibration Damper
Downlead Clamps on Towers
OPGW Joint Box Mountings
11. HELICAL WIRE: ARRANGEMENT
Low unit compression stress as it is distributed over longer length.
Prevent damage to sensitive fibers.
In case of bolted type clamps, fiber may get damaged by
concentrated clamping stresses.
12. HELICAL WIRE: ADVANTAGES
Dismantled easily
Easy and quick installation
Savings on cables and jointing boxes
Long experience on this technology
Process and testing technology
No special training tools required
14. FIBER OPTIC: SHEATH STRIPPER
Provide tight structure fiber
units.
Allow easy removal of the
overall unit sheath.
Access to the enclosed fibers.
18. ADSS
ADSS is a self-supporting optical fiber cable.
It has no metal component and can be installed on live lines with no outages.
Area of Application
On Power Lines
On Street Light Pole
From Pole to building
Engineering Support
Based on our detailed survey of site condition1s, we supply an optimal choice of ADSS
cable with other accessories.
ADSS CABLE: OVERVIEW
19. ADSS: DESIGN CONSIDERATION
Electrical Mechanical Environmental
Space Potential
Effect
Span Lengths
Wind Velocity and Aeolian
Vibration
Corona Effect Sag
Sheath Composition for UV
Resistance
Dry-Band Arcing Tension on Cable
Temperature and Pollution
level