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Design of a self-tuning power system stabilizer for multi-machine power system

Bao, ND and Gupta, Sen DP and Thukaram, D (1990) Design of a self-tuning power system stabilizer for multi-machine power system. In: VI NPSC 90. Power Systems for the Year 2000 and Beyond. Proceedings of the Sixth National Power Systems Conference, 4-7 June 1990, Bombay, India, pp. 215-219.

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Abstract

It is well-known that the existing power system stabilizers (PSS) cannot properly deal with composite mode oscillations of machines. Because it is difficult to design the PSS which can be effective for both local and inter-area modes. In this paper, a self-tuning power system stabilizer using speed and active power input signals without a lead-lag network is proposed for damping multi-modal oscillations in a power system. The dominant frequency is identified by introducing a lowpass filter and a highpass filter. Based on the value of the dominant frequency, the optimal gains for both speed and active power signals are obtained. The proposed PSS is implemented on a digital computer. Fourth order Chebyshev filters have been used. The proposed PSS has been tested on multi-machine systems for various disturbances and found to provide good damping under any disturbance with arbitrary initial conditions

Item Type: Conference Paper
Additional Information: Copyright of this article belongs to Tata McGraw-Hill.
Department/Centre: Division of Electrical Sciences > Electrical Engineering
Date Deposited: 19 Aug 2008
Last Modified: 25 Jan 2012 05:59
URI: http://eprints.iisc.ernet.in/id/eprint/11480

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