National Grid frequency trace

Robert MacKay
The attached dataset provides the GB grid frequency every second for two hours (02.00-04.00) on 1 September 2015 (at some location that I do not remember). I used it to test some linear stochastic process models for the frequency as a function of time. On the 2-hour timescale the trace fit reasonably well to an Ornstein-Uhlenbeck (OU) process with a decay time of around 30 minutes. On a shorter timescale, in particular the first 3...
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1 download reported since publication in 2020.

These counts follow the COUNTER Code of Practice, meaning that Internet robots and repeats within a certain time frame are excluded.
What does this mean?