• D P Sen Gupta

      Articles written in Sadhana

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

      D P Sen Gupta Indraneel Sen

      More Details Abstract Fulltext PDF

      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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