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.