Cableizer ®

Parameter $\xi$ calculation of loss factor

Used for flat and rectangular formation, not transposed.

Symbol
$\xi_{X}$
Formulas
$\frac{2R_{e} P_{X} Q_{X} X_{m}}{\sqrt{3} \left({R_{e}}^2+{P_{X}}^2\right) \left({R_{e}}^2+{Q_{X}}^2\right)}$$\xi_{{X_1}}$
$\frac{0.25{Q_{X}}^2}{{R_{e}}^2+{Q_{X}}^2}$$\xi_{{X_2}}$
$\frac{0.75{P_{X}}^2}{{R_{e}}^2+{P_{X}}^2}$$\xi_{{X_3}}$
Related
$P_{X}$
Substitution coefficient P to calculate loss factor by circulating currents
$Q_{X}$
Substitution coefficient Q to calculate loss factor by circulating currents
$R_{e}$
Electrical resistance shield/armour [$\Omega$/m]
$X_{m}$
Mutual reactance between conductors flat formation without transposition [$\Omega$/m]
Used in
$\lambda_{11}$
Loss factor shield, circulating currents