et

RA

6 symbol

Terminological databases

Metroloogia terminibaas

ID 1147533 Last modified 26.04.2026
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Domain Standardisation - Metrology
RA
  • maandustakistuse tegeliku osise takitus
  • real part of the impedance to earth
maandustakistus
Usage examples
  • Ideaalis on elektrisüsteemi maandustakistus null oomi, kuid tegelikkuses pole see alati saavutatav. Rahvusvalise Elektrotehnika Komisjoni poolt on soovituslikuks maandustakistuse väärtuseks valitud 5,0 oomi või vähem.
RA symbol
resistance to earth
Usage examples
  • Ideally, the resistance to earth of a system is zero ohms, but in reality, this isn't always achievable. IEC recommend a ground resistance value of 5,0 ohms or less.
resistance to ground
RA symbol

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