Composite System of Track Electrification: The composite system of track electrification which comprise are the dc system the single phase ac system the three phase ac system and the composite…
Different Groups of Systems of Electric Traction: As already mentioned, systems of electric traction may be divided into two main groups. (1) The group consisting of vehicles which receive electric…
Starting and Speed Control of Single Phase AC Series Motor: The starting and speed control of single phase AC series motor is carried out by varying the applied voltage. As…
What is Metadyne Control? - Construction, Working and Applications: The metadyne control system is based on constant current system of speed control. In resistance control or series- parallel control a…
Contactor Type Controller in Electric Traction: Contactor Type Controller - Schematic power diagram of a 1,500 V dc train equipment consisting of 4 dc series motors wired for series-parallel operation…
Series Parallel Controller with Reversing Drum: A Series Parallel Controller with Reversing Drum (with shunt transition) for two series motors is shown in Fig. 13.11. In addition to its primary…
Negative Booster in Electric Traction: In case of dc traction system, return current flows through the rails, to the substations. So due to this current flow through rails some voltage…
Interference in Telecommunication Circuit in Electric Traction: In all traction systems track is used as a return path for the current. Some part of the current flows through the track…