Abstract
Due to the increased deployment of new technologies such as renewable sources and smart meters, complex and unexpected interactions are occurring in power systems. The dynamic instability in power systems are caused by the existing imbalance between mechanical input and output power. For damping these oscillations, power system stabilizer (PSS), and static synchronous compensator (STATCOM) can be used. In this paper, a unique fuzzy controller for dynamic stability of PSS and STATCOM in multi-machine power system is designed. Particle swarm optimization (PSO) combined with genetic algorithm (GA) is used for fuzzy controller optimization. Proposed method is tested on IEEE 39-bus system under disturbance. The simulation results verify the efficiency of the proposed method for dynamic stability of power system.
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