[Cialug] [omaha] Google Datacenters

Nathan Stien nathanism at gmail.com
Mon Apr 13 10:29:13 CDT 2009


On Mon, Apr 13, 2009 at 10:23 AM, Todd Walton <tdwalton at gmail.com> wrote:

>
> Wikipedia says the skin effect is due to alternating current.
> Specifically, "Skin effect is due to eddy currents set up by the AC
> current".  http://en.wikipedia.org/wiki/Skin_effect
>
> So, DC wouldn't have it.
>

I concur.  When I was doing electronics work, we often had to push a lot of
power around in the 100 kHz region, and the only practical way we could find
to do this was to use Litz wire. Litz wire is a bundle of smaller insulated
wires, so that most of the it, even at the core of the bundle, can still be
the "skin".

http://en.wikipedia.org/wiki/Litz_wire
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