[41331] in North American Network Operators' Group
Re: 220v/50hz power rig
daemon@ATHENA.MIT.EDU (Randy Bush)
Thu Sep 6 09:56:50 2001
From: Randy Bush <randy@psg.com>
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To: Alex Bligh <alex@alex.org.uk>
Cc: nanog list <nanog@merit.edu>
Message-Id: <E15ezdY-0007Iu-00@rip.psg.com>
Date: Thu, 06 Sep 2001 06:56:08 -0700
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> -- David Lesher <wb8foz@nrk.com> wrote:
>> If you want to test it on 50 Hz, you have a real issue. You can
>> not easily generate that much; there is no easy way to morph 60
>> into same.
and boy was he right. (apologies to many for not re-emphasizing the
subject: line in the message text, 50Hz is the goal)
> Some UPS-like equipment will do this - stuff designed for running
> computer equipment in a field in the middle of nowhere, normally for
> pseudo military use; take any Generator input (which can be 30Hz-70Hz),
> any input voltage, normally close to sawtooth or triangle wave and
> covered with crap and artefacts, turn it into DC, put it into a few
> lead-acid batteries, and then work with the back-end of a conventional
> UPS.
yup, that seems to be the general approach. i have leads on a 220/50
ups of this type, and plan to feed it 220/60. but, as you say, feeding
it 110/60 might work.
randy
