This PPT presentation is based on the topic electrical traction124
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Electric traction means a locomotion in which the driving force is obtained from electric motors. Electric traction will coenvironmentally ntinue to play a dominant role in the Railway since it is an clean technology compared to diesel traction and also its running cost is low. There are many advantages of electric traction over other forms of locomotion. Maximum tractive effort should be exerted at starting Equipment should be capable of overloads for short periods The wear caused on the track should be minimum Braking should be possible without excessive wear on the brush Advantages Cheapness, Acceleration & Braking, Cleanliness, Maintenance Cost, Starting time, High starting time, Braking, Saving in high-grade coal, Better co-efficient of adhesion Disadvantages High initial expenditure Failure of supply is a problem Electrically operated vehicles have to move only on electrified track For braking & control, additional equipments required India with its large railway network and the growth of large metropolitan centers is building up a large market for railway transport equipment. Clean technologies due to environmental considerations. Energy conservation to minimise wastage of power. Faster/reliable railway transportation. The success of space, defence and atomic energy can be replicated by the Railways also.