A protective measure implemented in Power SystemsA critical societal System that, in the case of GW-scale gri... Click for more to avoid the potential for Cascading OutagesThe occurrence of an uncontrollable succession of outages, e... Click for more during a significant drop in system FrequencyThe number of cycles occurring in each second in an Alternat... Click for more and/or the need to disconnect a proportion of electrical LoadA term that is sometimes used synonymously with Demand, but ... Click for more to bring the Frequency of the GridA generic term used to describe either the Power System as a... Click for more back to a safe operating range.