everything about rail system…

Tag Archives: electric


Rolling Stock Terms

This page will be continuously updated… Accelerometer A device that can measure acceleration generated by the movement of an object along an axis. Adhesion (Coefficient of) During rolling contact, the … 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

Traction Systems

A system which causes the propulsion of vehicle in which tractive or driving force is obtained from various devices such as diesel engine drives, steam engine drives, electric motors, etc. … Continue reading

Flash-butt Welding

The welding process is in principle a regulated electric short circuit with the two rail ends functioning as D.C. poles. The high current produces an arc between the rail ends, … Continue reading

Coupler

A coupler, or coupling, is a device for joining rail vehicles in a train. There are two different kinds of couplers in the units: Automatic couplers on both unit ends (driver … Continue reading

Metro / Subway Rapid Transit System

The International Association of Public Transport (or UITP) defines metro systems as urban passenger transport systems, “operated on their own right of way and segregated from general road and pedestrian … Continue reading