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Dynamic Stability and Analysis of SMIB System with Power System Stabilizers Using Different Techniques

Pothula Jagadeesh*, M. Sai Veerraju**

* P.G.Scholor, Department of Electrical and Electronics Engineering, SRKR Engineering College, Bhimavaram, India.

** Profesor, Department of Electrical and Electronics Engineering, SRKR Engineering College, Bhimavaram, India.

Periodicity:May - July'2015
DOI : https://doi.org/10.26634/jps.3.2.3479

Abstract

A Power System Stabilizer (PSS) installed in the excitation system of the synchronous generator improves the small-signal power system stability by damping out low frequency oscillations in the power system. This paper introduces the dynamic stability and analysis of a single machine connected to the infinite bus system (SMIB) with a power system stabilizer which is tuned with different controllers like fuzzy logic controller, PI and PID controllers which have been designed to provide a supplementary signal to the excitation system of the synchronous generator including the load damping parameter sensitivity. The simulations have been tested under different fault conditions and the obtained results show that the proposed controller for stabilizing power system can provide very good damping characteristics, compared to the conventional PSS and FPSS, through wide range of operating conditions for power system, and improves dynamic stability of the power system substantially. The responses for these different controller based PSS are compared. Matlab- Simulink is used to test the results.

Keywords

Power System Stabilizers, Fuzzy Logic Controller, Membership Functions ,Load Damping Parameters.

How to Cite this Article?

Jagadeesh, P., and Veerraju, M. S. (2015). Dynamic Stability and Analysis of SMIB System with Power System Stabilizers Using Different Techniques. i-manager’s Journal on Power Systems Engineering, 3(2), 8-15. https://doi.org/10.26634/jps.3.2.3479

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