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Damping of power system oscillations with the help
of proposed optimal Proportional Integral Derivative Power
System Stabilizer (PIDPSS) and Static Var Compensator
(SVC)based controllers are thoroughly investigated in this
paper. This study presents robust tuning of PIDPSS and
SVCbased controllers using Genetic Algorithms (GA) in
multi machine power systems by considering detailed model
of the generators (model 1.1). The effectiveness of FACTSbased
controllers in general and SVCbased controller in
particular depends upon their proper location. Modal
controllability and observability are used to locate SVC–based
controller. The performance of the proposed controllers is
compared with conventional leadlag power system stabilizer
(CPSS) and demonstrated on 10 machines, 39 bus New England
test system. Simulation studies show that the proposed genetic
based PIDPSS with SVC based controller provides better
performance.
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