Optimal Designing of Power System Stabilizers Using Differential Evolutionary Algorithm to Omit Inter-Area Oscillations

Sajad  Tabatabaee; Mahmood  Joorabian

doi:10.17485/ijst/2013/v6i2.7

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Optimal Designing of Power System Stabilizers Using Differential Evolutionary Algorithm to Omit Inter-Area Oscillations

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Indian Journal of Science and Technology

DOI: 10.17485/ijst/2013/v6i2.7

Year: 2013, Volume: 6, Issue: 2, Pages: 1-6

Original Article

Optimal Designing of Power System Stabilizers Using Differential Evolutionary Algorithm to Omit Inter-Area Oscillations

¹ Sajad. Tabatabaee, ² Mahmood. Joorabian

¹Department of Electrical Engineering, Mahshahr Branch, Islamic Azad University,
²Department of Electrical Engineering, [email protected]

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

In this paper the values of power system stabilizer converge to optimal response coordinately using differential evolutionary algorithm (DE) with small number of iterations and it is tuned in a way that inter-Area power system oscillations will be omitted. The case study is a three-area system which is simulated non-linearly in time domain using MATLAB software. Simulation results show that without using PSS and during fault occurrence, the damper torque and synchronizer torque are decreased and system become unstable which lead to low frequency oscillations such as Inter-Area ones. These problems have been omitted using optimal and coordinated PSSs’.
Keywords: Differential Evolutionary Algorithm, Inter-Area oscillations, Local Search Algorithm, Small Signal Stability