Failure to sync = dirty power and a horribly corrupted sine wave. A bit more than watching an old microwave.
On Sat, Jun 25, 2011 at 7:00 AM, <nanog-requ...@nanog.org> wrote: > Send NANOG mailing list submissions to > nanog@nanog.org > > To subscribe or unsubscribe via the World Wide Web, visit > https://mailman.nanog.org/mailman/listinfo/nanog > or, via email, send a message with subject or body 'help' to > nanog-requ...@nanog.org > > You can reach the person managing the list at > nanog-ow...@nanog.org > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of NANOG digest..." > > > Today's Topics: > > 1. Wacky Weekend: NERC to relax power grid frequency strictures > (Jay Ashworth) > 2. Re: Wacky Weekend: NERC to relax power grid frequency > strictures (Jussi Peltola) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Fri, 24 Jun 2011 18:29:14 -0400 (EDT) > From: Jay Ashworth <j...@baylink.com> > Subject: Wacky Weekend: NERC to relax power grid frequency strictures > To: NANOG <nanog@nanog.org> > Message-ID: > <23981692.56.1308954554440.javamail.r...@benjamin.baylink.com> > Content-Type: text/plain; charset=utf-8 > > The North American Electric Reliability Council is planning to relax > the standards for how closely power utilities must hold to 60.00Hz. > > Here's my absolute favorite quote of all time: > > Tweaking the power grid's frequency is expensive and takes a lot of > effort, > said Joe McClelland, head of electric reliability for the Federal Energy > Regulatory Commission. > > "Is anyone using the grid to keep track of time?" McClelland said. "Let's > see > if anyone complains if we eliminate it." > > > http://hosted.ap.org/dynamic/stories/U/US_SCI_POWER_CLOCKS?SITE=AP&SECTION=HOME&TEMPLATE=DEFAULT > > I believe the answer to that question is contained here: > > http://yarchive.net/car/rv/generator_synchronization.html [1] > > This is gonna be fun, no? > > Cheers, > -- jra > [1]Please, let's not start in on the source.[2] > [2]No, really: *please*. :-) > -- > Jay R. Ashworth Baylink > j...@baylink.com > Designer The Things I Think RFC > 2100 > Ashworth & Associates http://baylink.pitas.com 2000 Land Rover > DII > St Petersburg FL USA http://photo.imageinc.us +1 727 647 > 1274 > > > > ------------------------------ > > Message: 2 > Date: Sat, 25 Jun 2011 07:32:41 +0300 > From: Jussi Peltola <pe...@pelzi.net> > Subject: Re: Wacky Weekend: NERC to relax power grid frequency > strictures > To: nanog@nanog.org > Message-ID: <20110625043241.gf25...@pokute.pelzi.net> > Content-Type: text/plain; charset=us-ascii > > On Fri, Jun 24, 2011 at 06:29:14PM -0400, Jay Ashworth wrote: > > This is gonna be fun, no? > > If your definition of fun is spending a year watching an old microwave > clock lose or gain a few minutes. > > I don't see how this has anything to do with syncing two generators. The > grid is in sync, and if the frequency of the grid changes (as it does > all the time) it will stay in sync. It has nothing to do with the > absolute frequency. > > > > ------------------------------ > > _______________________________________________ > NANOG mailing list > NANOG@nanog.org > https://mailman.nanog.org/mailman/listinfo/nanog > > End of NANOG Digest, Vol 41, Issue 153 > ************************************** >
