Utility frequency

The waveform of 230 volt, 50 Hz compared with 110 V, 60 Hz.

Japan's utility frequencies are 50 Hz and 60 Hz

Worldwide electrical voltage and frequency.

Diagram of two areas of an interconnected power systems, with two independent loads.

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 large parts of the world this is 50 Hz, although in the Americas and parts of Asia it is typically 60 Hz. Current usage by country or region is given in the list of mains power around the world.

单词	Power line frequency
释义	Power line frequency 英语百科 Utility frequency 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 large parts of the world this is 50 Hz, although in the Americas and parts of Asia it is typically 60 Hz. Current usage by country or region is given in the list of mains power around the world.
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Power line frequency

Utility frequency