[142454] in North American Network Operators' Group
Re: Wacky Weekend: NERC to relax power grid frequency strictures [OT]
daemon@ATHENA.MIT.EDU (Jussi Peltola)
Sun Jun 26 17:55:56 2011
Date: Mon, 27 Jun 2011 00:55:05 +0300
From: Jussi Peltola <pelzi@pelzi.net>
To: nanog@nanog.org
In-Reply-To: <alpine.LRH.2.00.1106262335070.23039@filebunker.xip.at>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Sun, Jun 26, 2011 at 11:36:24PM +0200, Ingo Flaschberger wrote:
> but transforming is not easy.
> ac/ac transformers are easy tu build and very immune against lightning
> strikes - inverter systems are not.
Switching DC is also problematic since there is no zero crossing to
extinguish the arc.
