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Improved fuzzy logic controller for SVC in power system damping using global signals

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Abstract

Static Var Compensator (SVC) is a shunt-type FACTS device, which is used in power systems primarily for the purpose of voltage and reactive power control. In this paper, an improved fuzzy logic-based supplementary controller for SVC is developed for damping the rotor angle oscillations and to improve the stability of the power system. The generator speed and the electrical power are chosen as global input signals for the proposed fuzzy logic controller (FLC). The effectiveness and feasibility of the proposed control is demonstrated with single-machine infinite bus (SMIB) system, three-machine nine-bus WSCC system and New England 10-machine system, which shows the improvement over the use of a fixed parameter controller and existing FLC.

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Authors and Affiliations

  1. Kalasalingam University, Anand Nagar, Krishnankoil, 626190, India

    N. Karpagam, D. Devaraj & P. Subbaraj

Authors
  1. N. Karpagam
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  2. D. Devaraj
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  3. P. Subbaraj
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Correspondence to N. Karpagam.

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Karpagam, N., Devaraj, D. & Subbaraj, P. Improved fuzzy logic controller for SVC in power system damping using global signals. Electr Eng 91, 395–404 (2010). https://doi.org/10.1007/s00202-010-0148-4

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  • DOI: https://doi.org/10.1007/s00202-010-0148-4

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