I heard once (here in SA) that the mains cycles were adjusted close to midnight, so that the number remained consistent on a daily basis. I don't know how it's arranged though, since there are so many power stations to sync.
Regards Roland On 23 November 2010 16:49, Ian W. Wright <watchma...@talktalk.net> wrote: > On 23/11/2010 14:37, Andy Pugh wrote: > > On 23 November 2010 14:31, Ian W. Wright<watchma...@talktalk.net> > wrote: > > > >> hell, I've seen our mains frequency > >> vary from 47 to 54 Hz over the day many times depending on > >> the load and no one ever complains....... > > Though supposedly you should still always get 4320000 cycles per day. > > > Yes, you're right but I'm not sure how close they ahere to > that nowadays. With the common frequency dips due to load > problems and the tendency for people to convert to quartz > timing instead of mains synchronous, I wonder if they bother > so much or whether they just try to get it right weekly or > some such. Maybe I'll put a mains frequency monitor on here > out of interest - its 13 years since I retired from the > ratrace of chasing power around plant rooms...... > > Ian > > > ------------------------------------------------------------------------------ > Increase Visibility of Your 3D Game App & Earn a Chance To Win $500! > Tap into the largest installed PC base & get more eyes on your game by > optimizing for Intel(R) Graphics Technology. Get started today with the > Intel(R) Software Partner Program. Five $500 cash prizes are up for grabs. > http://p.sf.net/sfu/intelisp-dev2dev > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ Increase Visibility of Your 3D Game App & Earn a Chance To Win $500! Tap into the largest installed PC base & get more eyes on your game by optimizing for Intel(R) Graphics Technology. Get started today with the Intel(R) Software Partner Program. Five $500 cash prizes are up for grabs. http://p.sf.net/sfu/intelisp-dev2dev _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users