Archives


- Beowulf
- Beowulf Announce
- Scyld-users
- Beowulf on Debian

Need ball park power and cooling requirements

Many of your questions may have already been answered in earlier discussions or in the FAQ. The search results page will indicate current discussions as well as past list serves, articles, and papers.

Search

Joel Jaeggli joelja at darkwing.uoregon.edu
Wed Oct 2 09:18:58 PDT 2002


On Wed, 2 Oct 2002, Ken Chase wrote:

> On Wed, Oct 02, 2002 at 08:30:05AM -0500, Ray Muno's all...
> 
> > > on a 2400 VA line; c) PFC supplies consume less energy on average, and
> > > the power companies often charge you less money for what you use if you
> > > don't need the high peak currents associated with a relatively poor
> > > power factor.
> 
> How much more are these PFC supplies and what 'format' are they sold in?  (and
> who sells them?) Wouldnt power factor increase with a large well built single
> supply with wiring to power multiple boards? (Or was the argument there "when
> there's a failure, n nodes are fried instead of 1".)

a manufacturer:

http://www.sparklepower.com/prodspe.htm#pfc

and another:

http://www.pcpowercooling.com/products/power_supplies/highperformance/index.htm

(look for pfc .95 or higher)

a vendor: 

http://www.rackmountpro.com/


> /kc
> 

-- 
-------------------------------------------------------------------------- 
Joel Jaeggli	      Academic User Services   joelja at darkwing.uoregon.edu    
--    PGP Key Fingerprint: 1DE9 8FCA 51FB 4195 B42A 9C32 A30D 121E      --
  In Dr. Johnson's famous dictionary patriotism is defined as the last
  resort of the scoundrel.  With all due respect to an enlightened but
  inferior lexicographer I beg to submit that it is the first.
	   	            -- Ambrose Bierce, "The Devil's Dictionary"





More information about the Beowulf mailing list