I spend a fair bit of time each week in 2 electric generating plants. I
haven't asked this specifically (although now, I will) but I've watched the
frequency metering in the control room and I'd say its 60 Hz +/- 0.5 Hz or
better. I may be way off because in this day and age, the spec may be way
better than that.
I'll repost when I get a definite answer.
Phil
At 01:30 PM 11/16/1999 -0500, you wrote:
>Does anyone know the frequency stability of the 60Hz power lines?
>
>I have heard that the long term average is kept very accurate, but
>I am more interested in short term accuracy. Most likely it is
>plenty accurate for my needs, but I would like to find a reference
>that descibes what it actually is.
>
>TNX ES 73
>Gary
>
>---
>Submissions test-equipment@qth.net
>
>
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