| http://www.w3.org/ns/prov#value | - My rather simple understanding is that rather than keep less efficient plant running on standby just to keep 50 Hz on the National Grid when peak loads occur, let the applied load slow the frequency to 49.8 Hz and the embedded chips on sensing this, would switch off loads such as freezers (with an overide should the temp rise out of permitted zone) until the peak passed and the frequency returned
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