roseau.load_flow.utils.constants

Module Contents

PI

The famous mathematical constant \(\pi = 3.141592\ldots\).

MU_0

Magnetic permeability of the vacuum \(\mu_0 = 4 \pi \times 10^{-7}\) (H/m).

EPSILON_0

Vacuum permittivity \(\varepsilon_0 = 8.8541878128 \times 10^{-12}\) (F/m).

F

Network frequency \(f = 50\) (Hz).

OMEGA

Angular frequency \(\omega = 2 \pi f\) (rad/s).

RHO

Resistivity of common conductor materials (Ohm.m).

MU_R

Relative magnetic permeability of common conductor materials.

DELTA_P

Skin depth of common conductor materials \(\sqrt{\dfrac{\rho}{\pi f \mu_r \mu_0}}\) (mm).

TAN_D

Loss angles of common insulator materials according to the IEC 60287 standard.

EPSILON_R

Relative permittivity of common insulator materials according to the IEC 60287 standard.