Radius armour (inner)

Definition according to CIGRE TB 531 chap. 4.2.1

Symbol
$r_{z4}$
Unit
m
Formulas
$\frac{\frac{D_{ab}}{2}}{1000}$
Related
Used in
$\mathcal{Z}_{34}$
$\mathcal{Z}_g$
$\mathcal{Z}_{pin}$
$\mathcal{Z}_{pmut}$
$\mathcal{Z}_{pout}$