Train Accident in Sri Lanka 

this video about train accident in sri lanka
It might be surprising to know that in electric trains, the power collected from the overheadlines ends up in the grounding cable of the track after flowing through the wheels. Three phase power conversion, regenerative braking and zig-zag overheadlines - all these make electric train technology quite unique. Let’s understand all the engineering secrets behind the electric trains starting from the simplest design possible.
In an earlier video we talked about how diesel electric locomotives work.
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