Industrial Solutions and ServicesYour Success is Our Goal
An Advanced Model-based Approach to Stabilize Power System Oscillations Based on the H Theory
Rüdiger Kutzner, Berthold Scholz, Manfred Reimann:
PE
S_2003.P
PT
04.2003 transparency 2
Industrial Solutions and ServicesYour Success is Our Goal
An Advanced Model-based Approach to Stabilize Power System Oscillations
PG G132 / I&S IT PS 151
Analog vs. Digital Control System
Analog vs. Digital
Advanced Model-Based Approach
Modelling
PSS Design
PSS Implementation
On-site Tests
Practical Experience
Summary
PE
S_2003.P
PT
04.2003 transparency 3
Industrial Solutions and ServicesYour Success is Our Goal
An Advanced Model-based Approach to Stabilize Power System Oscillations
PG G132 / I&S IT PS 151
Advanced Model-Based Approach: 4 Steps
Model of Excitation Control System and Power System
PSS Design
Implementation
Verification by Site Tests
Analog vs. Digital
Advanced Model-Based Approach
Modelling
PSS Design
PSS Implementation
On-site Tests
Practical Experience
Summary
PE
S_2003.P
PT
04.2003 transparency 4
Industrial Solutions and ServicesYour Success is Our Goal
An Advanced Model-based Approach to Stabilize Power System Oscillations
PG G132 / I&S IT PS 151
Modeling of Excitation Control System & Power System
SynchronousMachine
RegulatorExciter Synchronous
Machine
Excitation Control System
PowerSystem
Model for PSS Design
Plant Data:Excitation SystemGeneratorPower System
Measurement:Step ResponseFrequency Response
Analog vs. Digital
Advanced Model-Based Approach
Modelling
PSS Design
PSS Implementation
On-site Tests
Practical Experience
Summary
PE
S_2003.P
PT
04.2003 transparency 5
Industrial Solutions and ServicesYour Success is Our Goal
An Advanced Model-based Approach to Stabilize Power System Oscillations
PG G132 / I&S IT PS 151
PSS Design Procedure
Model
Requirements
H PSS Synthesis
PSS Implementation Computer Representation
VSI
VST
VSTMAX
VSTMIN
1
1 + sT6
sT5
KS 1 + sT5
1
1 + A1s + A2s2
1 + s T1
1 + s T2
1 + s T3
1 + s T4
TD T1T2 T3
K0K1 K2 K3
-
Pe
Vtref
VSTMAX
VSTMIN
Analog vs. Digital
Advanced Model-Based Approach
Modelling
PSS Design
PSS Implementation
On-site Tests
Practical Experience
Summary
PE
S_2003.P
PT
04.2003 transparency 6
Industrial Solutions and ServicesYour Success is Our Goal
An Advanced Model-based Approach to Stabilize Power System Oscillations
PG G132 / I&S IT PS 151
PSS Implementation:Canonical Model
TD T1T2 T3
K0 K1 K2 K3
-
Pe
Vtref
Analog vs. Digital
Advanced Model-Based Approach
Modelling
PSS Design
PSS Implementation
On-site Tests
Practical Experience
Summary
PE
S_2003.P
PT
04.2003 transparency 7
Industrial Solutions and ServicesYour Success is Our Goal
An Advanced Model-based Approach to Stabilize Power System Oscillations
PG G132 / I&S IT PS 151
PSS Implementation:Software Realization
K2
-Ti1 Ti2 Ti3
K3K1K0
K
TD Ti4
K4 Vsmin
Vsmax
Pe
VsAnalog vs. Digital
Advanced Model-Based Approach
Modelling
PSS Design
PSS Implementation
On-site Tests
Practical Experience
Summary
PE
S_2003.P
PT
04.2003 transparency 8
Industrial Solutions and ServicesYour Success is Our Goal
An Advanced Model-based Approach to Stabilize Power System Oscillations
PG G132 / I&S IT PS 151
On-site Tests: Test set-up
SynchronousMachine
RegulatorExciter Synchronous
Machine-
Vtref
Excitation Control System
PowerSystem
Vt
Analog vs. Digital
Advanced Model-Based Approach
Modelling
PSS Design
PSS Implementation
On-site Tests
Practical Experience
Summary
PE
S_2003.P
PT
04.2003 transparency 9
Industrial Solutions and ServicesYour Success is Our Goal
An Advanced Model-based Approach to Stabilize Power System Oscillations
PG G132 / I&S IT PS 151
On-site Tests: Closed Loop Frequency Response
-20
-10
0
10
20
30G
ain
(d
B)
100
Without PSS (measured)
With PSS (measured)
Without PSS (simulated)
With PSS (simulated)
Frequency (Hz) 10110-1
350 MW CCGT: Vtref Pe
Analog vs. Digital
Advanced Model-Based Approach
Modelling
PSS Design
PSS Implementation
On-site Tests
Practical Experience
Summary
PE
S_2003.P
PT
04.2003 transparency 10
Industrial Solutions and ServicesYour Success is Our Goal
An Advanced Model-based Approach to Stabilize Power System Oscillations
PG G132 / I&S IT PS 151
On-site Tests: Closed Loop Step Response
Analog vs. Digital
Advanced Model-Based Approach
Modelling
PSS Design
PSS Implementation
On-site Tests
Practical Experience
Summary
PE
S_2003.P
PT
04.2003 transparency 11
Industrial Solutions and ServicesYour Success is Our Goal
An Advanced Model-based Approach to Stabilize Power System Oscillations
PG G132 / I&S IT PS 151
Practical Experience: Impact to Voltage Control Loop
10-1 100 101
-20
-10
0
10
20
Frequency [Hz]
Gai
n
[dB
]
Vref P
0 5 10-0.1
-0.05
0
0.05
0.1
t [sec]
Q [
pu]
2% load change
no PSS1. PSS
2. PSS
no PSS 1. PSS
2. PSS
Analog vs. Digital
Advanced Model-Based Approach
Modelling
PSS Design
PSS Implementation
On-site Tests
Practical Experience
Summary
PE
S_2003.P
PT
04.2003 transparency 12
Industrial Solutions and ServicesYour Success is Our Goal
An Advanced Model-based Approach to Stabilize Power System Oscillations
PG G132 / I&S IT PS 151
Practical Experience: Influence of Fast Load Ramps
Vt
P-PSS
Pacc-PSS
no PSS
ramp
t
load
t
Analog vs. Digital
Advanced Model-Based Approach
Modelling
PSS Design
PSS Implementation
On-site Tests
Practical Experience
Summary
PE
S_2003.P
PT
04.2003 transparency 13
Industrial Solutions and ServicesYour Success is Our Goal
An Advanced Model-based Approach to Stabilize Power System Oscillations
PG G132 / I&S IT PS 151
Countries with SIEMENS digital AVR and PSS
Analog vs. Digital
Advanced Model-Based Approach
Modelling
PSS Design
PSS Implementation
On-site Tests
Practical Experience
Summary
Industrial Solutions and ServicesYour Success is Our Goal
Thank you very much for your attention.
Contact:
Ruediger KutznerI&S IT PS 151Werner-von-Siemens-Str. 6091050 Erlangen, GermanyPhone: +49 (9131) 7-43244
Mail: [email protected]
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