[time-nuts] 60hz disciplined watch
time-nuts at kasperkp.dk
Wed Apr 20 16:44:42 UTC 2011
On 04/20/2011 05:26 PM, Poul-Henning Kamp wrote:
> Are you sure ?
> Here in europe that was lost in the "privatization" of the grid: Nobody
> was charged with paying for the extra power needed to capture lost
> cycles, so now they just try to keep it close to 50.0Hz and don't
> care about the integral.
The mainland Europe grid (which you are not on, I know..) looks like this:
http://n1.taur.dk/grid/pltw.png (very large with grid)
y axis is phase in seconds, x axis is time
The plot is 130 days long, 60sec/130d= 5ppm
in that plot is also 5 days in a row where the frequency is 230ppm high.
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