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Power system reliability
The power system reliability (sometimes grid reliability) is the probability of a normal operation of the electrical grid at a given time. Reliability indices characterize the ability of the electrical system to supply customers with electricity as needed[1] by measuring the frequency, duration, and scale of supply interruptions.[2] Traditionally two interdependent components of the power system reliability are considered:[1]
- power system adequacy, a presence in the system of sufficient amounts of generation and transmission capacity;
- power system security (also called operational reliability[3]), an ability of the system to withstand real-time contingencies (adverse events, e.g., an unexpected loss of generation capacity).[4]
Ability of the system to limit the scale and duration of a power interruption is called resiliency. The same term is also used to describe the reaction of the system to the truly catastrophic events.[4]
- ^ a b Heylen et al. 2018, p. 22.
- ^ Heylen et al. 2018, p. 21.
- ^ Prada 2017, p. 5.
- ^ a b Geocaris 2022.
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