Power System Controls and Ancillary Services Jose Rueda Torres
Learning Objectives • Define the different types of controls and ancillary services used to maintain power system stability
Types of Systems Voltage control (VC) Frequency control Blackstart / Restoration FCR: Frequency containment reserve aFRR: Automatic frequency restoration reserve mFRR: Manual frequency restoration reserve FACTS: Flexible AC Transmission Systems OLTC: On-load tap changer
Voltage Control Ancillary Services: Controls:
Voltage Control Ancillary Services: Controls: Primary VC
Voltage Control Ancillary Services: Controls: Primary VC Secondary VC
Voltage Control Ancillary Services: Controls: Primary VC Exciter / AVR Secondary VC
Voltage Control Ancillary Services: Controls: Primary VC Exciter / AVR Secondary VC FACTS
Voltage Control Ancillary Services: Controls: Primary VC Exciter / AVR Secondary VC FACTS OLTC
Voltage Control Ancillary Services: Controls: S Primary VC Exciter / AVR Q θ Secondary VC FACTS P OLTC
Frequency Control Ancillary Services: Controls:
Frequency Control Ancillary Services: Controls: FCR
Frequency Control Ancillary Services: Controls: FCR aFRR
Frequency Control Ancillary Services: Controls: FCR aFRR mFRR
Frequency Control Ancillary Services: Controls: FCR Inertia aFRR mFRR
Frequency Control Ancillary Services: Controls: FCR Inertia aFRR mFRR
Frequency Control Ancillary Services: Controls: FCR Inertia aFRR Governor mFRR
Frequency Control Ancillary Services: Controls: FCR Inertia aFRR Governor mFRR LFC
Frequency Control Ancillary Services: Controls: FCR Inertia aFRR Governor mFRR LFC Redispatch
Blackout Restoration Ancillary Services: Controls:
Blackout Restoration Ancillary Services: Controls:
Blackout Restoration Ancillary Services: Controls: Situation dependent
Blackout Restoration Ancillary Services: Controls: Situation dependent Country dependent
Recap
Recap S Q P
Recap S Q P
Recap S Q P
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