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Design and Performance of a Local Gain Scheduling Power System Stabilizer for Inter-Connected System

Ghosh, Falguni and Sen, Indraneel (1991) Design and Performance of a Local Gain Scheduling Power System Stabilizer for Inter-Connected System. In: 1991 IEEE Region 10 International Conference on EC3-Energy, Computer, Communication and Control Systems. TENCON '91, 28-30 August, New Delhi,India, Vol.1, 355-359.


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A new 'Gain Scheduling Stabilizer for interconnected power systems has been described in this paper. The design of the PSS is based on a priori information about readily available machine and excitation system parameters and 'Observation' for a certain duration of time of the network from the bus of the machine concerned to ascertain the electrodynamic coupling of the machine to rest of the network. The computational complexity of this PSS requires the use of relatively sophisticated computing system. Though, such computers are now available, they are not in common use in actual power plants. With this in view, the PSS design has been modified so that the adaptive gains are selected in real time based on the operating conditions and worst case network parameters. The modified PSS can be implemented using on-line computers having capabilities similar to those of ordinary PCs or even up systems with moderate memory and computational capabilities.

Item Type: Conference Paper
Publisher: IEEE
Additional Information: Copyright 1990 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Keywords: Power System Stabilizers;Adaptive Control
Department/Centre: Division of Electrical Sciences > Electrical Engineering
Date Deposited: 25 May 2006
Last Modified: 19 Sep 2010 04:27
URI: http://eprints.iisc.ac.in/id/eprint/6880

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