[58860] in North American Network Operators' Group
Re: AC/AC power conversion for datacenters
daemon@ATHENA.MIT.EDU (Stephen J. Wilcox)
Tue Jun 3 15:49:27 2003
Date: Tue, 3 Jun 2003 20:48:45 +0100 (BST)
From: "Stephen J. Wilcox" <steve@telecomplete.co.uk>
To: Peter Galbavy <peter.galbavy@knowtion.net>
Cc: Matthew Zito <mzito@gridapp.com>, <Nanog@merit.edu>
In-Reply-To: <002f01c32a07$c016c040$24e0a8c0@HATMADDER>
Errors-To: owner-nanog-outgoing@merit.edu
On Tue, 3 Jun 2003, Peter Galbavy wrote:
>
> Matthew Zito wrote:
> > This is marginally related to the power discussions earlier, but does
> > anyone know of a product that steps up 120V AC to 220V AC and is
> > reasonably datacenter-friendly? We're looking at an environment where
> > there's no 220V available - but we only need ~7 amps so conversion
> > could be possible to my high-school-physics mind. I've found some
> > products that seem to be appropriate, but they're geared towards a
> > more industrial purpose. Is there a rackmount 120->220V converter
> > that people out there have used and would recommend?
>
> My suggestion, which I have never tried, is to get a UPS with the right
> wattage and that support 240V out but variable (90V-300V) input. Just a
> thought.
Depends on your hardware obviously but I suspect it'll be cheaper to replace the
PSU with one of the same voltage as the supply than messing with ups etc
Steve
> PS Please don't make the mistake that a certain US supplier made with kit
> shipped to UK and specify 16A connectors which required special wiring (over
> standard 13A in the UK) as at 240V the current is lower by 240/110 :)
> Measure watts, not amps. Unless you have a weird PSU of course.
>
> Peter
>
>
