electric locomotive seminar report pdf download
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electric locomotive 
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electrical engineering
AXIS INSelectric locomotive 
seminor report
electrical engineering
AXIS INS
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An electric locomotive is an overhead power locomotive, a third rail, or an on board energy storage, such as a battery or a fuel cell. Electric locomotives with on-board primary motors, such as diesel engines or gas turbines, are classified as diesel-electric or gas-electric turbine locomotives because the combination of electric / motor generator serves only as a power transmission system . Electricity is used to remove smoke and take advantage of the high efficiency of electric motors, but the cost of electrification means that usually only heavily used lines can be electrified.


An advantage of electrification is the lack of contamination of locomotives. Electrification results in higher efficiency, lower maintenance costs and lower energy costs. Power plants, although burning fossil fuels, are much cleaner than mobile sources, such as locomotive engines. Energy can come from clean or renewable sources, including geothermal energy, hydropower, nuclear power, solar energy and wind turbines. Electric locomotives are quiet compared to diesel locomotives as there is no engine noise and exhaust noise and less mechanical noise. The lack of alternative parts means that electric locomotives are easier on the track, which reduces road maintenance. The capacity of the power plant is much greater than any single locomotive use, so electric locomotives can have a higher output power than diesel locomotives and can produce even higher short-term boost power for acceleration Fast. Electric locomotives are ideal for commuter trains with frequent stops. They are used on high speed lines such as ICE in Germany, Acela in the United States, Shinkansen in Japan, China Railway High Speed in China and TGV in France. Electric locomotives are used on freight routes with constantly high traffic volumes or in areas with advanced railway networks.

Electric locomotives benefit from the high efficiency of electric motors, often above 90% (not including the inefficiency of generating electricity). Greater efficiency can be achieved thanks to regenerative braking, which allows the recovery of the kinetic energy during braking to bring the energy back into the line. Newer electric locomotives use AC motor-inverter drive systems that provide regenerative braking.

The main disadvantage of electrification is the cost of infrastructure: airlines or third lane, substations and control systems. Public policy in the United States interferes with electrification: higher property taxes are imposed on private railway facilities if they are electrified. The EPA regulates exhaust emissions in locomotive and marine engines, similar to emissions regulations for vehicles and cargo trucks, to limit the amount of carbon monoxide, unburned hydrocarbons, nitric oxides, and production Of soot from these mobile sources of energy.

In Europe and elsewhere, rail networks are considered part of the national transport infrastructure, as are roads, motorways and waterways, and are therefore often financed by the State. Rolling stock operators pay fees according to the use of the railway. This makes possible the large investments needed for technical electrification and, in the long run, also economically advantageous. Because rail infrastructure is privately owned in the United States, railroads are unwilling to make the necessary investments for electrification.
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