Cableizer

Electrical resistance DC conductor 20°C

Electrical DC resistance of conductor at 20°C.

Symbol
$R_{c20}$
Unit
$\Omega$/m
Formulas
${10}^{-3}R_{co}$cable at 20°C, IEC 60287
${10}^6\frac{\rho_{c}}{A_{c}}$PAC/GIL at 20°C
${10}^6\frac{F_{lay,core} \rho_{c}}{A_{c}}$cable at 20°C, CIGRE TB 880 Guidance Point 23
Related
$A_{c}$
Cross-sectional area conductor [mm$^2$]
$e$
Constant $e$ [m/s$^2$]
$F_{lay,core}$
Effective length per unit lay length twisted conductors
$R_{co}$
Standard DC resistance of conductor [$\Omega$/km]
$\rho_{c}$
Electrical resistivity conductor material [$\Omega$.m]
Used in
$R_{c,ins}$
Electrical resistance @ field limited conductor temperature [$\Omega$/m]
$R_{cDC}$
Electrical resistance DC conductor [$\Omega$/m]