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Topic AC traction vs DC traction locomotives Terms of organization 1- Power and reliability 2- Cost Method of organization Alternative Tone Serious informative specific Note Created for the general public and other railroading admirers taken into consideration Capable of pulling thousands of metric tons of cargo the diesel locomotives are the monsters of transportation in our world today From freight to passenger from station to yards whether its hauling coal or mail diesel locomotives have been servicing mankinds needs to displace unimaginable quantities of cargo The basic schematic of a diesel locomotive is the prime mover engine itself which powers an alternator that supplies electric current to axle mounted electric traction motors Nevertheless there are two types of electric motors which locomotive companies have to choose from motors that run on direct current DC where electricity flows from a negative borne to a positive one and motors that run on alternating current AC where an electric current reverses direction in a circuit at regular intervals To find out which one of them will best suit a company they will have to be contrasted in terms of power and reliability and cost The reliability of a motor depends on the level of maintenance it requires its performance in all weather conditions Mechanically AC traction motors are more simply designed more robust and are very reliable AC motors are substantially immune to humidity as in snow or rain and in displeasing weather conditions due to its sturdy airtight casings In addition the locomotive is less likely to slip on the tracks due to the computerized traction control system These computerized beasts are nearly exempt from stalling damage and may travel for millions of miles between overhauls The biggest advantage is the extreme thermal load that it can withhold when pulling a heavy freight- it does not overheat easily A ruthlessly efficient machine it lacks steel brushes and commutators that removes the potential for
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