everything about rail system…

Stray DC Current

The running rails in a DC electrified traction system are one of the main sources of electromagnetic disturbance to internal and external metallic structures and installations, such as civil works (viaducts … Continue reading

Electric Traction Systems

The system which use electrical power for traction system i.e. for railways, trams, trolleys, etc. is called electrical traction. The track electrification refers to the type of source supply system that … Continue reading

Catenary Section Insulators

The section insulator (SI) is a device installed in the catenary system for electrical separation of two electrical feeds while allowing for the passage of a vehicle pantograph, such as … Continue reading


Pantograph is an apparatus which mounted on the roof of electric train to collect power through with an overhead tension wire. It lift or down on the basis of the … Continue reading

Rigid Catenary (or Overhead Contact System)

The rigid catenary is an Overhead Contact System (OCS) that can replace, with many  advantages, the contact wire with sustentation wire, the third rail or the suspended bimetallic T-rail. It … Continue reading

Third Rail

A third rail is a method of providing electric power to a railway train, through a continuous rigid conductor placed alongside or between the rails of a railway track. It … Continue reading