A number of electrical phenomena corresponding to abrupt variations in the electrical variables of a system or a grid can be grouped together under the title of “electromagnetic transients”.
These phenomena, such as ferroresonance, may be non-linear, electromagnetic phenomena being able to appear under certain conditions on electricity grids containing transformers that can be saturated and capacitances.
Capsim uses numerical simulation tools to identify and eliminate the risks of links with electromagnetic transients. When certain parameter values having an influence on the risk are not identifiable, Capsim carries out parametric studies which are able to sweep a sufficiently broad range of values to cover any risk.
In this way, it was possible to check if a structure contains risks linked to electromagnetic transients and to highlight a problematic case.
Requirement As part of the connection of a 63/20 kV transformer station supplying a gas compression plant, CAP-SIM investigated the risk of ferroresonance on the site Realization An initial theoretical characterization step of the risk Read more…
Requirement When a transformer is energised, two main phenomena occur; an inrush current and a voltage drop at the primary side. The amplitudes of these two phenomena depend greatly on the remanent (or residual) magnetic Read more…
Requirement When a transformer is energised, two main phenomena occur; an inrush current and a resulting voltage drop at its primary side. The amplitudes of these two phenomena depend greatly on the remnant (or residual) Read more…