en

voltage unbalance

1

Terminological databases

Metroloogia terminibaas

ID 1150869 Last modified 04.04.2026
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Domain Standardisation - Metrology
pingeasümmeetria
pinge asümmeetria
pinge tasakaalustamatus
voltage unbalance
  • mitmefaasilise elektrisüsteemi seisund, kus liinipingete (põhikomponent) efektiivväärtused ja/või järjestikuste liinipingete vahelised faasinurgad ei ole kõik võrdsed
  • condition in a polyphase system in which the RMS values of the line voltages (fundamental component), and/or the phase angles between consecutive line voltages, are not all equal
pingeasümmeetria
Usage examples
  • Pingeasümmeetriat väljendatakse tavaliselt negatiivse ja nullliini komponendi ning positiivse liini komponendi suhtena. Standardis IEC TS 63191 käsitletakse pingeasümmeetriat kolmefaasiliste süsteemide puhul.
pinge asümmeetria
pinge tasakaalustamatus
voltage unbalance
Usage examples
  • The voltage unbalance is usually expressed as the ratios of the negative. and zero-sequence components to the positive-sequence component. In IEC TS 63191, voltage unbalance is considered in relation to 3-phase systems.

Metroloogia terminibaas

ID 1156925 Last modified 04.04.2026
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Domain metrologymeasuring instrumentsmeasuring procedurestest technology
  • nõue, mis rakendub ainult kolme mõõteelemendiga mitmefaasilisele arvestile
  • requirement that applies for poly-phase meters with three measuring elements
pinge ebasümmeetria
Usage examples
  • Pinge ebasümmeetria katse/test tuleb teostada iga faasi järjestikuse katkestamise teel, kusjuures tuleb kontrollida, et lisasuhthälve ei ületaks muutuse etteantud kriitilist väärtust.
voltage unbalance
Usage examples
  • The voltage unbalance test must be performed by sequentially interrupting each phase, while checking that the additional precentage error does not exceed the specified critical value of the change.

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