Geometric mean distance

Symbol
$GMD$
Unit
mm
Formulae
$\left(GMR s_{c}^{N_{c} - 1}\right)^{\frac{1}{N_{c}}}$single-core cables with equal distance
$\left(GMR s_{c}^{n_{c} - 1}\right)^{\frac{1}{n_{c}}}$multi-core cables
$\left(GMR s_{c}^{n_{c} - 1}\right)^{\frac{1}{n_{c}}}$multi-core cables with shaped conductors
$1.09 \left(GMR s_{c}^{3}\right)^{0.25}$four-core cables or 4 single-core cables with equal distance
Related
$GMR$
Used in
$X_{0}$