[Tfug] UPS sizing

[Bexley Hall]

Hi, Adrian,

--- On Wed, 12/31/08, Choprboy <choprboy at dakotacom.net> wrote:

> On Wednesday 31 December 2008 14:45, Bexley Hall wrote:
> > I wonder if my good fortune *here* has to do with the
> > fact that our local utilities are below grade?  Or, if
> > it's all attributable to weather?  Or, just the age of
> > the infrastructure??
> 
> I think you will find it is far more a matter of age and
> investment (or lack there of) in infrastructure.

(sigh)  I had a sneaking suspicion that this was the case.
:<  Though I had hoped that the utilities being below grade
was at least *some* factor   :<

> Parts of Tucson are great and rarely have 
> issues... other parts far less so.
> 
> In particular, southern-midtown and south of downtown is
> horrible for power quality/reliability.

Ah, OK.  That would seem to fit with your comments.

> The area is roughly bordered by Alvernon/22nd on the NE 
> and Ajo/6th on the SW. Once they get stuff up and balanced
> it is *OK*... but you can expect power to go down in 
> virtually every major monsoon storm (just 

Wow!  Really?  If so, that would be even worse than my
midwestern experiences!

> ask me about it, Ive put a dozen hours on our datacenter
> generator and burned 
> a 100 gallons of diesel in just this last season).
> 
> The NW side also frequently has problems, from about Ina to
> Marana, the Tucson Mountains to Thornydale.

I would imagine, there, that the problem is development
outpacing the utilities' ability (willingness) to keep up
with demand?

> Power blips, ranging from a few missed cycles to 
> 5-10min outages are very common on completely clear days
> with no apparent cause.

<frown>  Yet another reason not to live over there  :-/

--don