Power system operations and control: Difference between revisions

Revision as of 20:38, 28 October 2022

Revision as of 21:29, 28 October 2022

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=== Minutes-after control ===

The {{vanchor|Secondary control|text=''secondary control''}} is used to restore the system frequency after a disturbance, with adjustments made by the balancing authority control computer (this is typically referred to as [[load-frequency control]] or [[automatic generation control]]) and manual actions taken by the balancing authority staff. Secondary control uses both the [[Spinning reserve|spinning]] and non-spinning reserves, with balancing services deployed within minutes after disturbance (hydropower plants are capable of an even faster reaction).{{sfn|NERC|2011|pp=12-13}}

=== Tertiary control ===