Tag Archives: dc
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
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