Categories of Stability Phenomena in Power Systems Jose Rueda - - PowerPoint PPT Presentation

categories of stability phenomena in power systems
SMART_READER_LITE
LIVE PREVIEW

Categories of Stability Phenomena in Power Systems Jose Rueda - - PowerPoint PPT Presentation

Categories of Stability Phenomena in Power Systems Jose Rueda Torres Learning Objectives Define and classify the notion of power system stability The Definition of Power System Stability The Definition of Power System Stability The


slide-1
SLIDE 1

Categories of Stability Phenomena in Power Systems

Jose Rueda Torres

slide-2
SLIDE 2

Learning Objectives

  • Define and classify the notion of power

system stability

slide-3
SLIDE 3

The Definition of Power System Stability

slide-4
SLIDE 4

The Definition of Power System Stability

slide-5
SLIDE 5

The Definition of Power System Stability

slide-6
SLIDE 6

The Definition of Power System Stability

slide-7
SLIDE 7

The Definition of Power System Stability

slide-8
SLIDE 8

The Definition of Power System Stability

slide-9
SLIDE 9

The Classification of Stability - Type

slide-10
SLIDE 10

The Classification of Stability - Type

Power system stability

Consideration for classification

slide-11
SLIDE 11

The Classification of Stability - Type

Power system stability

Consideration for classification

Rotor angle stability Frequency stability Voltage stability

Physical nature/main system parameter

slide-12
SLIDE 12

The Classification of Stability - Type

Power system stability

Consideration for classification

Rotor angle stability Frequency stability Voltage stability

Physical nature/main system parameter Size of the disturbance

Large disturbance rotor angle stability (transient stability) Small disturbance rotor angle stability (small signal stability)

slide-13
SLIDE 13

The Classification of Stability - Type

Small disturbance voltage stability Large disturbance voltage stability

Power system stability

Consideration for classification

Rotor angle stability Frequency stability Voltage stability

Physical nature/main system parameter Size of the disturbance

Large disturbance rotor angle stability (transient stability) Small disturbance rotor angle stability (small signal stability)

slide-14
SLIDE 14

The Classification of Stability - Type

Small disturbance voltage stability Large disturbance voltage stability

Power system stability

Consideration for classification

Rotor angle stability Frequency stability Voltage stability

Physical nature/main system parameter

Short-term Short-term Long-term Short-term Long-term

Time span Size of the disturbance

Large disturbance rotor angle stability (transient stability) Small disturbance rotor angle stability (small signal stability)

slide-15
SLIDE 15

The Classification of Stability - Time

Transient

10-4 10-3 10-2 10-1 10-0 101 102 103 104 105 Time scale [s] 1 cycle 1 second 1 min 1 hour 1 day

Small-signal Short-term

Rotor angle stability Voltage stability

Short-term

Frequency stability

Short-term

Network congestion

Long-term Long-term Long-term

slide-16
SLIDE 16

The Classification of Stability - Time

Transient

10-4 10-3 10-2 10-1 10-0 101 102 103 104 105 Time scale [s] 1 cycle 1 second 1 min 1 hour 1 day

Small-signal Short-term

Rotor angle stability Voltage stability

Short-term

Frequency stability

Short-term

Network congestion

Long-term Long-term Long-term

Disturbance nature: size and duration

slide-17
SLIDE 17

The Classification of Stability - Time

Transient

10-4 10-3 10-2 10-1 10-0 101 102 103 104 105 Time scale [s] 1 cycle 1 second 1 min 1 hour 1 day

Small-signal Short-term

Rotor angle stability Voltage stability

Short-term

Frequency stability

Short-term

Network congestion

Long-term Long-term Long-term

Disturbance nature: size and duration Network strength

slide-18
SLIDE 18

The Classification of Stability - Time

Transient

10-4 10-3 10-2 10-1 10-0 101 102 103 104 105 Time scale [s] 1 cycle 1 second 1 min 1 hour 1 day

Small-signal Short-term

Rotor angle stability Voltage stability

Short-term

Frequency stability

Short-term

Network congestion

Long-term Long-term Long-term

Disturbance nature: size and duration Pre-disturbance network conditions Network strength

slide-19
SLIDE 19

The Classification of Stability - Time

Transient

10-4 10-3 10-2 10-1 10-0 101 102 103 104 105 Time scale [s] 1 cycle 1 second 1 min 1 hour 1 day

Small-signal Short-term

Rotor angle stability Voltage stability

Short-term

Frequency stability

Short-term

Network congestion

Long-term Long-term Long-term

Disturbance nature: size and duration Pre-disturbance network conditions Network strength Controller settings

slide-20
SLIDE 20

Recap