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Control for Voltage Stability with Dynamic Loads

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Robust Control for Grid Voltage Stability: High Penetration of Renewable Energy

Part of the book series: Power Systems ((POWSYS))

Abstract

This chapter presents a novel modeling and excitation control design to enhance large-disturbance voltage stability in power systems with significant induction motor (IM) loads. The excitation controller is designed using minimax linear quadratic Gaussian (LQG) controller synthesis method. The nonlinear power system model is reformulated with a linear and a nonlinear term. The nonlinear term is the Cauchy remainder in the Taylor series expansion and its bound is used in a robust control design. An advantage of this approach over the existing linearisation scheme is the treatment of the nonlinear dynamic load model in a rigorous framework for excitation control design. The performance of the designed controller is demonstrated by large disturbance simulations on a benchmark power system for various types of loads.

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Author information

Authors and Affiliations

  1. Griffith School of Engineering, Griffith University, Gold Coast, QLD, Australia

    Jahangir Hossain

  2. School of Engineering and Information Technology, The University of New South Wales at Australian Defence Force Academy, Canberra, ACT, Australia

    Hemanshu Roy Pota

Authors
  1. Jahangir Hossain
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  2. Hemanshu Roy Pota
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Correspondence to Jahangir Hossain .

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© 2014 Springer Science+Business Media Singapore

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Hossain, J., Pota, H.R. (2014). Control for Voltage Stability with Dynamic Loads. In: Robust Control for Grid Voltage Stability: High Penetration of Renewable Energy. Power Systems. Springer, Singapore. https://doi.org/10.1007/978-981-287-116-9_5

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  • DOI: https://doi.org/10.1007/978-981-287-116-9_5

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-287-115-2

  • Online ISBN: 978-981-287-116-9

  • eBook Packages: EnergyEnergy (R0)

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