[60817] in North American Network Operators' Group
Re: East Coast outage?
daemon@ATHENA.MIT.EDU (Chris Adams)
Sun Aug 17 01:21:22 2003
Date: Sun, 17 Aug 2003 00:17:24 -0500
From: Chris Adams <cmadams@hiwaay.net>
To: nanog@merit.edu
Mail-Followup-To: Chris Adams <cmadams@hiwaay.net>, nanog@merit.edu
In-Reply-To: <3F3EE527.5010102@americasm01.nt.com>
Errors-To: owner-nanog-outgoing@merit.edu
Once upon a time, Chris Lewis <clewis@nortelnetworks.com> said:
> Chris Adams wrote:
> >Basic physics. To run DC at the power levels required, the "wire" would
> >have to be over 100 feet in diameter IIRC. Look up the Edison vs. Tesla
> >power arguments for all kinds of information on AC vs. DC.
>
> This was under the assumption that the transmission line was at the same
> voltage as the end-user, because there were no good DC-DC voltage
> converters in that day. And a few bazillion amps at 120V needs a really
> fat wire.
To the many that (properly) corrected me: yes, this is what I was
thinking about (well, that and the server I was restoring at the time).
I wasn't aware that there are high voltage DC long-haul lines that then
are converted to AC for local distribution.
--
Chris Adams <cmadams@hiwaay.net>
Systems and Network Administrator - HiWAAY Internet Services
I don't speak for anybody but myself - that's enough trouble.