International Conference on Computer Technology and Development, 3rd (ICCTD 2011)
65 Power System Stabilizers Design Using Artificial Bee Colony Algorithm
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In this paper an Artificial Bee Colony (ABC) Algorithm is employed for simultaneous coordinated tuning of two power system stabilizers (PSSs) to damp the power system inter-area oscillations. ABC is a population-based optimization algorithm inspired by the foraging behavior of bee colony and proven its superior capabilities, such as faster convergence and better global minimum achievement. For this, two conventional PSSs are designed in which a lead-lag structure is considered for each PSS and its parameters are tuned using ABC. A 2-area 4-machine system is considered as test system. To show the effectiveness of the designed PSSs, the study power system is tested by applying a three phase fault at a bus. Simulation studies show that the designed PSSs have good capability in damping the power systems low frequency oscillations.