Impact of Insulator Pollution on Resilience of Power Networks: Experience in Italy

19 Oct 2022
11:10
Grand Ballroom #1

Impact of Insulator Pollution on Resilience of Power Networks: Experience in Italy

Pollution is a major threat to reliability of power systems and in Italy, for example, accounts for a high proportion of annual Energy Not Supplied. Related risk should ideally be considered in terms of power system resilience, the ability to limit extent, severity and duration of system degradation following extreme events. This presentation discusses models to evaluate deposition of pollutants on insulator surfaces as well as to assess the return periods of outages due to pollution under wet conditions. This allows quantifying benefits associated with various countermeasures in terms of mean failure probability and outage return periods so as to help prioritize grid interventions.

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