Hi It turns out that if you have a network with a *lot* of sources and a *lot* of loads and a *lot* of interconnects, you would need a *large lot* of light bulbs….
Bob On Jul 27, 2013, at 9:32 PM, Gordon Batey <gpba...@wildblue.net> wrote: > > Greetings, > > Actually it requires TWO light bulbs in series (or one bulb with a twice the > voltage rating). They usually use TWO standard bulbs in series for EACH > phase line. This gives an immediate indication that the phase rotation is > correct. > I have actually seen it done about 12 years ago to sync three emergency > generators with each other and then the power grid and then take over the > load and disconnect the grid. All done by hand and very carefully. It was a > US Navy hospital situation. > > Gordon WA4FJC > > > ------------------------------ > > Message: 6 > Date: Sat, 27 Jul 2013 16:46:01 -0700 > From: Chris Albertson <albertson.ch...@gmail.com> > To: Discussion of precise time and frequency measurement > <time-nuts@febo.com> > Subject: Re: [time-nuts] GPS locked 60Hz? > Message-ID: > <CABbxVHvZc6hQYmWWP_=ptbzgojwga95yszj1blwou-yyuzm...@mail.gmail.com> > Content-Type: text/plain; charset=windows-1252 > > The old time (stone age) method of setting the phase of a power generator > was easy: Get an ordinary light bulb and connect it between the grid and > your generator, Adjust the phase of your generator until the bulb goes > dim. When the bulb is 100% dead out then flip the switch and connect the > load. They had it a lot easier before there were computers and good > instruments. > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.