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Re: Power monitoring Re: Power Outage in Chicago Loop

  • From: Mike Ventimiglia
  • Date: Tue Oct 10 16:25:33 2000

Dave,

I believe Applied Innovations makes a product like you are looking for. Their AIspy should do the trick, and works with all standard
transducers, although a source for those escapes me at this moment. I was very impressed with this product.

http://www.aiinet.com/

Mike Ventimiglia

----- Original Message -----
From: David Hares <dhares@networktwo.net>
To: Nathan Stratton <nathan@robotics.net>; Sean Donelan <sean@donelan.com>
Cc: <nanog@merit.edu>; Dzh-Marc <dzh-marc@fw.networktwo.net>
Sent: Tuesday, October 10, 2000 4:00 PM
Subject: RE: Power monitoring Re: Power Outage in Chicago Loop


>
> I'll bite ...
>
> I've been looking for a unit that monitors just those parameters (voltage
> and current on each phase as well as DC voltage, DC Current, temp, and
> humidity) for the same reasons.  Would you care to share how it's being
> done?
>
> Dave
>
> > -----Original Message-----
> > From: owner-nanog@merit.edu [mailto:owner-nanog@merit.edu]On Behalf Of
> > Nathan Stratton
> > Sent: Monday, October 09, 2000 11:27 AM
> > To: Sean Donelan
> > Cc: nanog@merit.edu
> > Subject: Re: Power monitoring Re: Power Outage in Chicago Loop
> >
> >
> >
> > On 9 Oct 2000, Sean Donelan wrote:
> >
> > > After my first summer in PG&E country, I've been wondering if there was
> > > a way for ISPs to share power quality data about the local utility.  For
> > > the most part, every ISP in a region experiences the same woes
> > and problems
> > > of the electric utility. Most ISPs are capable of at least
> > minimal monitoring.
> > > If the shared data was limited to only the upstream side of the
> > ISPs power
> > > system, it would show the performance of the utility; but ISPs
> > could still
> > > keep any internal problems secret.  While a power quality meter would be
> > > nice, even SNMP capable UPSes can report basic data.
> >
> > We are just now starting to graph voltage and current on each
> > phase as well
> > as DC voltage, DC Current, temp, and humidity. We are doing all this via
> > AI Spy units in each pop.
> >
> > <Snip>
> >
> > > What is "normal" power throughout the country? How severe can power get?
> >
> > Well that thing that freaks me out is the voltage swing over a given
> > day. At first I thought the problem was that the building did not have
> > large enough feed, but now that we are graphing voltage on other
> > datacenters we see the same trend. We see voltage swings in my cities of
> > up to 25 volts every day.
> >
> > ><>
> > Nathan Stratton CTO, Exario Networks, Inc.
> > nathan@robotics.net                     nathan@exario.net
> > http://www.robotics.net                 http://www.exario.net
> >
> > Check out telecom papers: http://www.robotics.net/papers
> >
> >
>
>
>






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