[Beowulf] UPS system for Linux cluster
thpierce at gmail.com
Wed Apr 29 09:22:07 PDT 2009
I did a similar project last fall. The only unpleasant surprise is
that most UPS are capable of running continuously at 80% of their kVA
value. So you may want a larger system.
You can get more current when you go to a three phase UPS system.
On Wed, Apr 29, 2009 at 7:46 AM, <vlad at geociencias.unam.mx> wrote:
> I have a linux cluster and need to purchase a UPS system.
> The total expected current consumption will be 240 amps. At 120 V this
> would require a 30 kVA UPS system.
> However, I see that 30 kVA systems have a limitation for the input
> current. For example, this 30 kVA system
> (http://www.provantage.com/tripp-lite-su30k3-3xr5~7TRPL1Q9.htm) allows
> only 90 amps as input
> current. I am a bit confused here, and I need some advice on what UPS
> system I should look for.
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