• Analytical formulation of small signal stability analysis of power systems with nonlinear load models

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    • Keywords


      Small signal stability; Hopf bifurcation; nonlinear load models; power system stability

    • Abstract


      It is now recognized that both load dynamics and generating unit dynamics contribute significantly to the limitation of loadability of power systems. In this paper, we take a static nonlinear load representation and different combinations of machine and exciter dynamic models to develop a comprehensive linearized model to study small signal stability. In particular we monitor the Hopf bifurcation instability and through participation factor analysis we identify the relevant state variables.

    • Author Affiliations


      Rajeev K Ranjan1 M A Pai1 P W Sauer1

      1. Department of Electrical and Computer Engineering, University of Illinois, Urbana, IL - 61801, USA
    • Dates

  • Sadhana | News

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