Ratio of losses in conductor and screen/sheath to losses in conductor.

Symbol
$q_{\mathrm{1}}$
Unit
-
Formulae
$\lambda_{\mathrm{1}} + 1$single-core cables and multi-core cables type SS and CC
$\frac{\lambda_{\mathrm{1}}}{2} + 1$multi-core cables type SC
Related
$\lambda_{\mathrm{1}}$
Used in
$Q_{\mathrm{B_{\mathrm{s}}}}$