[Milsurplus] DC vs AC for power distribution

[J. Forster]

Errr...  I think that was Westinghouse v. Edison. Tesla was much higher
frequency.

-John

============



> de WB2CPN
> Will someone bring up the Great Battle between Tesla and
> Edison over the standard to be used in New York City.
> And maybe other cities.  That went to court all the way to the
> top.  Also the mud slinging about the use of AC for the
> Electric Chair.  Or was the other way around?  Magazines
> had pictures of scorched skulls.
> I been zapped by both things, AC and DC, but I'll tell you
> now neither had a lasting effect.  I think.
> 73  Clete
> +++++++++++++++++++++++++++++++++++++++++
>
>
> On 5/1/2012 7:49 AM, Sheldon Daitch wrote:
>> As we know, AC replaced DC distribution many
>> years ago, because of the availability of power
>> transformers, as this allowed the power to be
>> generated at low voltages, stepped up to higher
>> voltages and stepped back down to lower
>> voltages for the customers.
>>
>> There is also a trend to go back to DC for high
>> voltage distribution grid systems, to overcome some
>> of the challenges of AC distribution systems, related
>> to the reactive elements (Inductive and capacitive)
>> in the AC distribution network and cables which
>> place limitations of transmission line capacity
>> and distance.  AC networks may also require
>> additional equipment on the line for compensation,
>> such as capacitors and  reactors.
>>
>> Advances in high voltage high current electronic
>> components make DC distribution networks far
>> more acceptable, with AC to DC conversion at the
>> generator end, but more importantly, the DC to
>> three phase AC conversion at the user or lower
>> voltage distribution end of the networks.
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