Tuning of Power System Stabilizer Employing Differential Evolution Optimization Algorithm

  • Subhransu Sekhar Tripathi
  • Sidhartha Panda
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7076)


In this paper, differential evolution (DE) optimization algorithm is applied to design robust power system stabilizer (PSS). The design problem of the proposed controller is formulated as an optimization problem and DE is employed to search for optimal controller parameters. By minimizing the time-domain based objective function, in which the deviation in the oscillatory rotor speed of the generator is involved; stability performance of the system is improved. The non-linear simulation results are presented under wide range of operating conditions; disturbances at different locations as well as for various fault clearing sequences to show the effectiveness and robustness of the proposed controller and their ability to provide efficient damping of low frequency oscillations.


Differential evolution power system stabilizer low frequency oscillations power system stability 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • Subhransu Sekhar Tripathi
    • 1
  • Sidhartha Panda
    • 1
  1. 1.Department of Electrical and Electronics EngineeringNational Institute of Science and Technology (NIST)BerhampurIndia

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