en

duty factor

1

Terminological databases

EKI terminibaas Esterm

ID 719084 Last modified 30.12.2004
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Domain inland waterway traffic
  • the ratio of the equivalent current taken by a motor or other apparatus running on a variable load to the full-load current of the motor (continuous rating)
võimsustegur
duty factor
Usage examples
  • Powered steering gear for intermittent operation: - Motors of electro-hydraulic drives and associated converters must be designed for continuous duty with intermittent loading and a 15 % duty factor. A 10-minute duty cycle is to be assumed.

Metroloogia terminibaas

ID 1151204 Last modified 22.03.2026
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Domain Standardisation - Metrology
duty factor preferred
duty cycle former
  • impulsi kestuse ja lainekuju perioodi suhe perioodilise impulsside jada puhul
  • ratio of the pulse duration to the waveform period for periodic pulse train
käivutegur preferred
Usage examples
  • Käivutegur esindab sinusoidaalselt muutuvate signaalide impulsi kestuse ja nende lainekuju perioodi suhet.
toimetegur
töötsükkel former
Usage examples
  • Termin "töötsükkel" antud kontekstis on aegunud termin, kuna sõna "tsükkel" standardis IEC 60469 viitab signaali perioodile.
duty factor preferred
Usage examples
  • The duty factor represents the ratio of the pulse duration of sinusoidally varying signals to the period of their waveform.
duty cycle former
Usage examples
  • The term duty cycle is a deprecated term because the word cycle in IEC 60469 refers to the period of a signal.

Metroloogia terminibaas

ID 574422 Last modified 17.01.2026
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Domain Standardisation - Metrologymeasuring procedures
  • perioodilise protsessi aktiivvõimsuse absoluutväärtuse suhe näivvõimsusesse
  • vahelduvvooluallika aktiivvõimsuse ja näivvõimsuse suhe
  • aktiivvõimsuse ja näivvõimsuse suhe
  • vahelduvvooluahelates aktiivvõimsuse suhe näivvõimsusesse (see suurus on ühikuga üks suurus ja tema väärtused on vahemikus -1 kuni 1)
  • seos perioodilise signaali kõrge taseme kestuse ja selle perioodi vahel esitatuna protsentides
  • under periodic conditions, ratio of the absolute value of the active power to the apparent power
  • ratio of the active power to the apparent power
  • in electrical engineering, the power factor of an AC electrical power system is defined as the ratio of the real power flowing to the load to the apparent power in the circuit, and is a dimension number in the closed interval of -1 to 1
  • relation between the duration of the high level in the periodic signal to its period usually given in percents
võimsustegur
Usage examples
  • Sinusoidaalsetes ühefaasilistes või sümmeetrilistes kolmefaasilistes tingimustes võimsustegur PF = cos Φ = faasierinevuse Φ koosiinus pinge U ja voolu I vahel.
PF symbol
power factor
Usage examples
  • At sinusoidal and either one-phase or symmetrical three-phase conditions, the power factor PF = cos Φ = the cosine of the phase difference Φ between voltage U and current I.
PF abbreviation
PF symbol
power coefficient
duty factor

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