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This paper deals with designing of Power System Stabilizer (PSS) based on Imperialist Competitive Algorithm (ICA) to improve the stability of power system. The proposed algorithm has been applied on a Single Machine Infinite Bus (SMIB) system where the coefficients of PSS controller has been optimized by ICA. The system with proposed controller has been simulated for the special disturbance in input...
Low frequency electromechanical oscillations are inevitable characteristics of power systems and they greatly affect the transmission line transfer capability and power system stability. PSS and FACTS devices can help the damping of power system oscillations. The objective of this paper is to design an advanced PSS and propose a systematic approach for damping controller design for FACTS devices....
The rotor angle stability of generator is basic to hydro turbine generating sets (HTGS) and power systems stabilization. Firstly, an approximate design method is proposed to solve the difficulty in application for Hamiltonian damping injection method. Secondly, the Hamiltonian model of HTGS is built by connecting Hamiltonian model of nonlinear hydro turbine and generator. Adding the relative factors...
In this paper, conventional lead-lag power system stabilizer (CPSS) is designed to damp electromechanical oscillations. CPSS parameters settings are computed using linear control theory. A new technique based on particle swarm optimization PSO is proposed to optimize the parameters settings of CPSS. The problem is formulated as an optimization problem, the objective is to compute the optimal parameters...
In this paper a simplified analysis of the effect of a Thyristeor Controlled Phase Shifter (TCPS) on the stability of a Single machine infinite bus (SMIB) system is presented. The TCPS which is located at the terminal of generator has the PID controller in which the coefficients of PID is optimized by chaos and PSO algorithms in order to damp the Low Frequency Oscillations (LFO). From the first, for...
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