War of Currents

     Hai there!!, We all know that most of today's applications are in ALTERNATING CURRENT. And does anybody know how it was established? and why DIRECT CURRENT is not used? There did happen an interesting cold war between the establishment of AC current over DC current. It was actually the war between two scientists Thomas Edison and Nicolo Tesla. Tesla was on side of AC and Edison on DC.
 
     In united states it all went peacefully when there existed only DC transmission by Edison invested by 'General Electric Works'. He was able to supply current over a particular radius from the generating station. As we all know there existed a lot of problems in the DC transmission. He was able to transmit over a particular distance only or there would exist an appreciable voltage loss, so that the appliances could not use that. Also due to voltage drop there existed current loss in the transmission lines which caused a lot of wastage. Even though at first it was the only reliable source of electricity in US.

     It all went peacefully until Tesla came up with the idea of using AC in machines. But the practical problem over that time is that all appliances were established for DC and it would require a lot of reform to reinstall for AC. So Tesla's idea was considered a failure and no investors did come forward to help him. He was all alone.

    An interesting thing is that Tesla worked under Edison for some period. Tesla was obviously genius and he is basically a mathematician and can do calculations mentally. So it would be naturally difficult for anyone to work with him. First the idea of AC transmission was proposed to Edison but he insulted him and so Tesla got seperated. He then got an investor George Westinghouse. But eventhough it was initially difficult for him to establish AC because there existed many misconceptions among the people.

     It was considered that that AC is more dangerous than DC. Edison added fuel to this fire by his attempts that he tried to prove them by cruely killing animals. Especially a baby elephant was killed by electrocuting using AC. The reasoning for killing it was as that it caused nuisance to public which actually is not true! Also Edison suggested AC electrocution, a potential tortureless replacement for hanging. And it was experimented on a victim and  since, the required minimum voltage to kill a person was unknown, it resulted in failure. But this attempt made public and press against Edison.


 And amongst all these Tesla could successfully establish AC since it provided a greater advantage that it can be sent over long distances without appreciable voltage drop or current. This is achieved by stepping up at transmitting station to very high voltage and stepping down again at receiving station. And so it all changed. The system was changed from DC to AC completely.

     We may think that Nicolo Tesla won Edison , but the actual winner is  the investor of Tesla.
So both could not enjoy the fruits of their hardwork.

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     Hello friends. I am Venkatesh Subbiah from Government College of Technology - Coimbatore.And I am an electricals  and electronics student. I have a craze for programming also. I have some experience in android programming. I would like to express my ideas related to electricals , electronics and programming to others . And thats why this blog has been started by me. Ill try to be more dynamic and keep this blog fresh and alive. 

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