Rate of Change of Frequency (ROCOF)

The rate at which the Frequency of the Power System experiences change.  Its measurement is used to trigger corrective measures by protective control systems.

Given the fast-evolving nature of power system transformation, the Future Grid Accelerator (FGA) has the status of a perpetual BETA version. Your suggestions for how each concept and definition may be enhanced are very welcome.

All feedback will be reviewed and considered for inclusion in subsequent updates.

Please provide your suggestions to improve to this definition: