SLIDE 1
Power System Controls and Ancillary Services
Jose Rueda Torres
SLIDE 2 Learning Objectives
- Define the different types of controls and
ancillary services used to maintain power system stability
SLIDE 3 Types of Systems
Frequency control Voltage control (VC) 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
SLIDE 4
Ancillary Services: Controls: Voltage Control
SLIDE 5
Ancillary Services: Controls: Voltage Control
Primary VC
SLIDE 6
Ancillary Services: Controls: Voltage Control
Primary VC Secondary VC
SLIDE 7
Ancillary Services: Controls: Voltage Control
Primary VC Secondary VC Exciter / AVR
SLIDE 8
Ancillary Services: Controls: Voltage Control
Primary VC Secondary VC FACTS Exciter / AVR
SLIDE 9
Ancillary Services: Controls: Voltage Control
Primary VC Secondary VC OLTC FACTS Exciter / AVR
SLIDE 10
Ancillary Services: Controls: Voltage Control
Primary VC Secondary VC OLTC FACTS Exciter / AVR S P Q θ
SLIDE 11
Ancillary Services: Controls: Frequency Control
SLIDE 12
Ancillary Services: Controls: Frequency Control
FCR
SLIDE 13
Ancillary Services: Controls: Frequency Control
FCR aFRR
SLIDE 14
Ancillary Services: Controls: Frequency Control
FCR aFRR mFRR
SLIDE 15
Ancillary Services: Controls: Frequency Control
FCR aFRR Inertia mFRR
SLIDE 16
Ancillary Services: Controls: Frequency Control
FCR aFRR Inertia mFRR
SLIDE 17
Ancillary Services: Controls: Frequency Control
FCR aFRR Governor Inertia mFRR
SLIDE 18
Ancillary Services: Controls: Frequency Control
FCR aFRR LFC Governor Inertia mFRR
SLIDE 19
Ancillary Services: Controls: Frequency Control
FCR aFRR LFC Governor Inertia mFRR Redispatch
SLIDE 20
Ancillary Services: Controls: Blackout Restoration
SLIDE 21
Ancillary Services: Controls: Blackout Restoration
SLIDE 22
Ancillary Services: Controls: Blackout Restoration
Situation dependent
SLIDE 23
Ancillary Services: Controls: Blackout Restoration
Situation dependent Country dependent
SLIDE 24
Recap
SLIDE 25
Recap
S P Q
SLIDE 26
Recap
S P Q
SLIDE 27
Recap
S P Q