R.Wieser  wrote:
> The Natural Philosopher,
>
>> Its more a case that a higher voltage needs less current for the same
>> power.
>
> True. But you need to be able to convert that power to a lower voltage to
> again become usable.  Where with AC that can be easily managed with a simple
> transformer, that doesn't work as well for DC.
>
>> Now the 132KV lines make sense...
>
> If it would be DC, not really. :-)
>
> Regards,
> Rudy Wieser

Transformers are now being replaced by active rectifier/inverter devices,
even in utility power systems.

High voltage semiconductors and high frequency switching are changing the
landscape of power transmission and conversion. The “smart grid” of the
future will have a lot less iron cores. ;-)

--
-michael - NadaNet 3.1 and AppleCrate II:  http://michaeljmahon.com

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