Not only the laptops and their batteries. Since most everything now has a switching supply with constant input power, when the voltage sags, the current goes up instead of down. Does not help.
Didier KO4BB Sent from my BlackBerry Wireless thingy while I do other things... -----Original Message----- From: "Poul-Henning Kamp" <[email protected]> Sender: [email protected] Date: Wed, 03 Aug 2011 17:59:41 To: Francis Grosz<[email protected]>; Discussion of precise time and frequency measurement<[email protected]> Reply-To: Discussion of precise time and frequency measurement <[email protected]> Subject: Re: [time-nuts] Weird TEC data In message <7E45E47B20184CC0A55D72835D82A1F9@FBG3>, "Francis Grosz" writes: > Still, elimination of TEC is idiotic. [...] Well, depends, doesn't it ? If you care more about having antique timepieces keeping time somewhat ok when the grid is stable, it certainly is idiotic. The bit of the above sentence should notice is "when the grid is stable", grid stability is getting harder and harder to maintain and being able to ditch one variable from the equation helps. The new complications are stuff like: A city-block blackouts at a load of N kW. X minutes later power is restored. It used to be, that you could expect it to come back in at not more than 1.1*N kW, because all the thermostats would be clamouring for power. Today, it comes in at 1.2*N kW, then four seconds later it jumps to 3.5*N because every laptop and UPS starts charging their batteries. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 [email protected] | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
