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| частота сети (The utility frequency, (power) line frequency (American English) or mains frequency (British English) is the frequency of the oscillations of alternating current (AC) in an electric power grid transmitted from a power plant to the end-user. In most parts of the world this is 50 Hz, although in the Americas it is typically 60 Hz. Current usage by country or region is given in the list of mains power around the world. WK Alexander Demidov) | |||
| частота сети (Am. MichaelBurov); частота в сети (Am. MichaelBurov); частота промышленной сети (Am. MichaelBurov); частота питающей сети (Am. MichaelBurov); промышленная частота (Am. MichaelBurov) | |||
| промышленная частота (American English) = "mains frequency" (British English alexeyaxim) | |||