ELECTRICAL TRACTION : ELECTRIC TRACTION : Electric traction means a locomotion in which the driving force is derived from electric motors. There are many advantages of electric traction over other forms of jocomotion in the current days of traction in any country of development. In fact, it is a fast-paced, safest and economical way of transporting and transporting goods to the modern day. In this type of drive the locomotive is equiped with a d.c series motor or ac series motor or three phase induction motor. The electric energy is directly fed into the motor and torque developed by the propelling the train. TRACTION SYSTEMS : The most commonly used traction methods are as follows. 1. Steam engine drive...