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Low frequency oscillations in power systems: A physical account and adaptive stabilizers

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Abstract

This paper presents a physical explanation of the phenomenon of low frequency oscillations experienced in power systems. A brief account of the present practice of providing fixed gain power system stabilizers (PSS) is followed by a summary of some of the recent design proposals for adaptive PSS. A novel PSS based on the effort of cancelling the negative damping torque produced by the automatic voltage regulator (AVR) is presented along with some recent studies on a multimachine system using a frequency identification technique.

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  1. Department of Electrical Engineering, Indian Institute of Science, 560 012, Bangalore, India

    D P Sen Gupta & Indraneel Sen

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  1. D P Sen Gupta
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  2. Indraneel Sen
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Gupta, D.P.S., Sen, I. Low frequency oscillations in power systems: A physical account and adaptive stabilizers. Sadhana 18, 843–868 (1993). https://doi.org/10.1007/BF03024228

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