The Technology of Maglev Trains: Explained

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In this video Railways Explained team deals with the history of the idea of magnetic levitation, main aspects of its development, its application in modern transport systems and, eventually, we gave our best to give you the answer on how Maglev trains actually work.
But, first, what is a Maglev train?
Maglev can be defined as the system that enables a train to repel and push up off the track, while at same time enables that train to move in such elevated condition, taking the advantage of the lack of friction.
Due to fact there is no need for moving parts such as wheels and axles, Maglev trains have longer lifecycle, lower operating costs, higher energy efficiency, and, at the end, they are clean, quieter and capable of developing much higher speeds!
However, it was a long run for the science to make this even possible.
The key moment in the development of this technology was, first, the invention, and then certain modifications of electric linear motor, in first line those made by the 'Father of Maglev', prof. Eric Laithwaite. Prof. Laithwaite discovered new, special arrangement of magnets, in science known as the 'magnetic river', thanks to which a single linear motor became able to produce both lift and forward propulsion.
In order to explain the principles of Maglev trains, we had to indroduce some terms such as electromagnetism, superconductivity, electromagnetic and electrodynamic suspension, and many other.
PS. in the second part of this video, which will hopefully be released next week, we will present all existing commercial Maglev lines around the globe. Stay tuned!
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