Optical Fibers-Different Types and Accessories

Optical Fibers are thin long (km) strands of ultra pure glass (silica) or plastic that can  transmit light from one end to another without much attenuation or signal Loss (dB).

“The glass used to make Optical Fiber is so pure that if the Pacific Ocean was filled with this glass then we would be able to see the Ocean bottom form the surface..!!”---Deepest point called Marina Trench, Pacific Ocean is all of just 13km deep.....!!!

This is believed to be a repeater distance on long haul routes for Optical Fiber vary between 50 to 150 km.

Working Optical Fibers..?

The Light Source (Lazer/LED) at the transmitting (Tx) end is modulated by the electrical signal and this modulated energy is fed into the Optical Fiber.

At the receiving end (Rx) this light energy is made incident on photo-sensors (Photo-Diode-Electric) which convert the light signal back to electric signal.

Advantages of Fiber Optic:-

  • Very high information carrying capacity.
  • Less attenuation/loss (order of 0.2dm/km)
  • Small diameter and light weight
  • Low cost (Raw Material used is sand...which is free)
  • Greater Safety and immune to EMI, RFI, Moisture and corrosion.
  • Flexible & easy to install.
  • Zero resale value (Theft is less)
  • Difficult to tap, so it is Secure.
  • No cross talk and disturbance.

OPGW

Various types of Optical Fiber Cable:-                                             

  • OPGW
  • ADSS
  • Self Supporting Aerial Figure 8 type OFC
  • Lashed Type OFC
  • Underground/Direct Burried OFC
  • Duct Type OFC

 

OPGW:                                                                                                                                                                                                                                                                                               OPGW_Central Loose Tube Cable

 What?                                                                          

  • OPGW= Optical Pilot Grounding Wire

Where?

  • On Transmission Line

Why?

  • To protect the phase conductor from Lightning strikes. To evacuate faulty currents.

When?

  • On New Transmission Line or Existing Line to replace the old Earth wire.

 

Advantage of OPGW:-

  • Allows installation and maintenance on energized cercuits
  • Light weight & small diameter minimize load on towers, poles and hardware fittings

 

ADSS:-                                                                                      ADSS Cable

What?

  • ADSS= All Die-electric Self Supported

Where?

  • On Transmission Lines between the conductors
  • On Power utility LV and MV networks
  • On Railway Networks
  • On data communication Networks

Why?

  • Take Advantages of Existing Poles/Towers
  • Structures to Develop Alternative data
  • Communication Networks
  • To evacuate faulty currents

When?

  • On Existing Transmission & Distribution Lines

 

Advantage of ADSS & Figure 8 Cables:-

  • Allow installation and maintenance on energized circuits
  • Light weight & small diameter minimize load on towers, poles and hardware fittings
  • Same for Overhead & underground Applications                                   Figure8 cable
  • Round Shape minimize wind loading
  • No earthling required due to dielectric construction

 

Supreme Branded Accessories for OPGW & ADSS Fittings:-

  1. Suspension Assembly
  2. Tension Assembly
  3. Vibration Damper
  4. Cable Tray
  5. OFC Splicing Enclosure ( Tower/Pole Mount)

 

Services offered by Supreme & Co.: ( Related TL Projects)

  • OPGW, ADSS & UG OFC Installation
  • OFC Structure Network Design & Data Canter Implementation
  • OFC Jointing & Commissioning with OTDR & OPTICAL Power Unit
  • Electrical Conductor Installation & Commissioning
  • Project Management Consultancy

 

  • GIS Survey with PDA, DGPS & GPS:-

(1)           Electrical Entity Survey

(2)           Door to door Survey

GIS Mapping with Arc GIS Software:-

  1. Rectification of Base Map and satellite imagery
  2. Digitization of electrical network with electrical entities
  3. Physical Map Creation
  4. Indexing & Codification of Electrical assets

For further details about optical fibers and its accessories kindly refer to the brochure.

Download Brochure