A prototype static synchronous compensator for power system voltage control
Date Issued
2004-07-31
Date
2004-07-31
Author(s)
DOI
922213E002029
Abstract
The purpose of phase 2 of this three-year project is
to use a systematic procedure to design the controller
of the static synchronous compensator (STATCOM).
The Thevenin equivalent circuit from O-MEI bus to
Taiwan power system is derived by Kron reduction.
Based on this Thevenin equivalent circuit, the system
dynamic equations are linearized around a nominal
operating point, and the parameters of the STATCOMs
controller can be designed. The eigenvalues of the
poorly damped mode are shifted to a more stable
region by root locus method and pole assignment
approach. Then, the controller parameters can be
determined. To demonstrate the effectiveness of the
designed controller, the dynamic voltage responses
with/without STATCOM controllers under a 10%
change in load and under different operating
conditions are investigated using the time-domain
simulations. Simulation results indicated that the
STATCOM controller designed by the systematic
procedure can improve the dynamic voltage
performance over a wide range of operating
conditions.
to use a systematic procedure to design the controller
of the static synchronous compensator (STATCOM).
The Thevenin equivalent circuit from O-MEI bus to
Taiwan power system is derived by Kron reduction.
Based on this Thevenin equivalent circuit, the system
dynamic equations are linearized around a nominal
operating point, and the parameters of the STATCOMs
controller can be designed. The eigenvalues of the
poorly damped mode are shifted to a more stable
region by root locus method and pole assignment
approach. Then, the controller parameters can be
determined. To demonstrate the effectiveness of the
designed controller, the dynamic voltage responses
with/without STATCOM controllers under a 10%
change in load and under different operating
conditions are investigated using the time-domain
simulations. Simulation results indicated that the
STATCOM controller designed by the systematic
procedure can improve the dynamic voltage
performance over a wide range of operating
conditions.
Subjects
static synchronous compensators
(STATCOMs)
(STATCOMs)
dynamic voltage response
root locus
method
method
pole assignment approach
Publisher
臺北市:國立臺灣大學電機工程學系暨研究所
Type
report
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