Working of diesel locomotive engine pdf

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So the high voltage current is controlled by a Transformer. AC Current from Transformer is changed to DC by using Rectifier. If the traction motor is DC, then it takes power from here. And if the traction motor is AC, then the DC from rectifier is changed to 3 phase AC by using Inverter. Shubhranshu Mishra Prev Working of diesel locomotive A diesel locomotive is a type of railway locomotive in which the prime mover is a diesel engine. Several types of diesel locomotives have been developed, differing mainly in the means by which mechanical power is conveyed to the driving wheels . Early internal combustion locomotives and railcars used kerosene and gasoline as their fuel. Against a nominal system of 750 volts, 1000 ampere with DC motor, the three-phase motor works at around 2800 volts, 300 amperes. With the heavy reduction in operating current, power cables & switch gears are much lighter thereby losses are reduced. this recovered power, at 2013 fuel cost, averaged locomotive duty cycles, and locomotives with rated power in the 3,000hp to 4,400hp range, represents approximately $54,000 to $140,000 annual fuel savings per locomotive, in addition to environmental the benefits induced by lowered thermal pollution and reduced pollutant emissions - through whr …