How Can I Know About Train Engine's Work


This locomotive is one of the best known in the history of railways. It was a prototype, one of a series designed by Robert Stephenson (1803–1859) between 1828 and 1830. During this time he introduced several innovations which served to improve the design, performance, and efficiency of steam-hauled transport. The locomotives were all built at the Newcastle upon Tyne factory of Robert Stephenson and Co.

The rocket was not designed by George Stephenson, as is so often thought because he was fully engaged in the building of the Liverpool and Manchester Railway at that time. However, as innovations were tried out by his son, Robert, in Newcastle, he was kept fully informed of the progress. Each Alco Spares was built to the order of coal mining companies anxious to try out the new technology as it was made.

The ignition of diesel fuel pushes pistons connected to an electric generator. The resulting electricity powers motors connected to the wheels of the locomotive. A “diesel” internal combustion engine uses the heat generated from the compression of air during the upward cycles of the stroke to ignite the fuel. The inventor Dr. Rudolph Diesel designed this type of engine. It was patented in 1892.

Diesel fuel is stored in a fuel tank and delivered to the engine by an electric fuel pump. Diesel fuel has become the preferred fuel for railroad locomotive use due to its lower volatility, lower cost, and common availability.
The diesel engine
(A) is the main component of the diesel-electric locomotive. It is an internal combustion engine comprised of several cylinders connected to a common crankshaft. Fuel is ignited by the intense compression, pushing the piston down. The piston’s movement turns a crankshaft.
The diesel engine is connected to the main generator
(B), which converts the engine’s mechanical power to electrical power. The electricity is then distributed to traction motors
(C) through circuits established by various switchgear components.
Because it is always turning, whether the locomotive is moving or not, the main generator’s output is controlled by the excitation field current to its windings.

The modern diesel locomotive is a self-contained version of the steam locomotive.  Like the electric locomotive, it has an electric drive, in the form of traction motors driving the axles and controlled with electronic controls.  It also has many of the same auxiliary systems for cooling, lighting, heating, braking and hotel power (if required) for the train.  It can operate over the same routes (usually) and can be operated by the same drivers.  It differs principally in that it carries its own generating station around with it, instead of being connected to a remote generating station through overhead wires or a third rail.  The generating station consists of a large diesel engine coupled to an alternator producing the necessary electricity.  A fuel tank is also essential.  It is interesting to note that the modern diesel locomotive produces about 35% of the power of an electric locomotive of similar weight.

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