Author(s): Ali Karimi, Ali Feliachi

Reference: Proceedings Power Systems Conference and Exposition (PSCE), pp. 1315 – 1320, Oct.29-Nov.1, 2006, Atlanta, Georgia, USA

Abstract: In this paper, an adaptive backstepping excitation control, tuned using Particle Swarm Optimization (PSO), is designed for stability enhancement of multi-machine power systems. The interconnection terms are considered as uncertain functions of electric power and its derivative whose parameters are adapted using PSO. The proposed technique is illustrated on a 50-machine-145-bus system, which shows that the designed controllers are effective in stabilizing the system under severe contingencies and perform better when compared with conventional power system stabilizers.

Keywords: adaptive backstepping, adaptation matrix, transient stability, particle swarm optimization