I am using Excel 97. An article by John S. The utility frequency power line frequency American English or mains frequency British English is the nominal frequency of the oscillations of alternating current AC in a wide area synchronous grid transmitted from a power station to the end-userIn large parts of the world this is 50 Hz although in the Americas and parts of Asia it is typically 60 Hz.
The generators on the 50 Hz systems rotate at a speed of 3000 rpm.
In Great Britain the grid frequency is 50Hz. In US and many other countries the grid frequency is 60 Hertz cycles per second. Grid frequency 10000 umcm TD umline pair What is the purpose of the interspace material. By nature frequency regulation is a power storage application of electricity storage.