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quote:Originally posted by daveshortsNice idea, but you would have to do some very careful system modelling as if you got into a vicious feedback loop it could be very messy!!!
quote:Originally posted by daveshortsIt is closely regulated but not constant according to: newbielink:http://www.nationalgrid.com/uk/activities/mn_quality.html [nonactive]the frequency is leagally requred to be held to within +/- .5Hz of 50Hz and it normally runs within .2HzMeasuring grid frequency to within .1Hz would be quite easy. I think if I were designing the system I would want some sort of radio control of the feedback in case it all went horribly wrong and unstable...