Thursday, August 26, 2010

What happens when an overhead electric cable breaks and falls on the train we travel?

I have an interesting question...
                
                      Suppose, a person who is standing on the roof of an electric train touches the 25,000 Volts cable and gets electrocuted... or suppose the overhead electric cable breaks and falls on the train...What happens to the passengers in the train? Do they get electrocuted?


               
                       The body of the train is Cast Iron, the Railway track is made of Mild Steel and the interiors of the compartment are also made of steel. All these conduct electricity. So, obviously, the whole compartment should get electrocuted and since the railway track is a continuous one, entire system should be affected.

                       But, it is not the thing that happens. Thanks to the safety department of Railways which ensures passenger safety in such a case. Of course, the power is active when the cable comes in contact with the train but it goes to the ground through the compartment. Immediately after the cable breaks, the high voltage circuit breakers will interrupt the power supply, and stop the power in very less time.
           
                       Hence, the passengers would not be affected unless they come out and touch the ground and the railway track. As long as people stay in the train they are like a bird on a wire and nothing happens.

                       So, no problem... we can travel safe without any fear...

2 comments:

  1. Ha ha, I was shocked when I saw the topic, but felt happy after reading this... Thanks for providing useful information.

    ReplyDelete

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