Skin and proximity effect factor for PAC/GIL conductor

The proximitiy effect is negligible compared to the skin effect for PAC/GIL conductors.

Symbol
$y_c$
Formulae
 $a_c \left(1-\frac{\gamma_c}{2}-{\gamma_c}^2 b_c\right)$ Elektra 125 (1989) $y_s+y_p$ IEC 60287-1-1
Used in