et

f

5 [`eff] symbol

Terminological databases

Metroloogia terminibaas

ID 574644 Last modified 17.01.2026
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Domain Standardisation - Metrology
sagedus preferred
põhisagedus variant
  • elektrisüsteemi sagedus
  • sagedus ahelas, kuhu arvesti on ühendatud
  • arvesti pinge (ja voolu) sagedus
  • frequency of the voltage (and current) supplied to the meter
  • value of measured frequency in an electrical distribution systems
  • frequency in the circuit to which the meter is connected
  • reciprocal of the period
sagedus preferred
Usage examples
  • Üldiselt on sagedus perioodi või ajaintervalli pöördväärtus, st kui ühe tsükli või vibratsiooni sooritamiseks vajalik periood või ajavahemik; vahelduvpinge sagedus Euroopa elektrivõrkudes on 50 Hz ning Põhja- ja Lõuna-Ameerika elektrivõrkudes 60 Hz.
f symbol
põhisagedus variant
frequency preferred
Usage examples
  • In general, frequency is the reciprocal of a period or time interval, i.e. the period or time interval required to complete one cycle or vibration; the frequency of alternating voltage in European power grids is 50 Hz and in North and South American power grids it is 60 Hz.
f symbol
fundamental frequency variant
Usage examples
  • The fundamental frequency, often referred to simply as the fundamental, is defined as the lowest frequency of a periodic waveform.
base frequency variant
basic frequency variant

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