PhD project “Uncertainty quantification of models for temperature of power cables”

Physical modelling

In order to facilitate the transition towards renewable energy, the Dutch power grid will need to be operated towards its limits. This poses the risk of increased number of failures and accelerated aging of grid components. To mitigate this risk, real-time insight in the current and future state of the grid is necessary. This will allow Alliander to connect more customers to the grid while ensuring that the grid remains safe, reliable and green.

For underground power cables, the maximum current is determined by the cable temperature. The current method of determining this maximum is overly conservative as it assumes steady state conditions, which is unrealistic for typical solar and wind profiles. In order to use more accurate dynamic models for cable temperature, realistic estimates of the model uncertainty are necessary to ensure that cable temperatures remain within safe limits.