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An algorithm for power system disturbance monitoring

O'Shea, Peter J. (2000) An algorithm for power system disturbance monitoring. In ICASSP '00. Proceedings. 2000 IEEE International Conference on on Acoustics, Speech, and Signal Processing, 5-9 June 2000.

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Abstract

This paper presents a spectral analysis algorithm for monitoring the characteristics of the damped oscillating "modes" which are set up after a disturbance in an electric power distribution system. This monitoring is necessary so that one can detect early whether any modes are "inverse damped" (i.e. exponentially growing), and hence likely to create instability in the power system. In this application it is necessary to be able to resolve modes which are very closely spaced in frequency, and which may be imbedded in substantial noise. The proposed algorithm is Fourier based, and is an extension of a method proposed by the author. The extension enables resolution of very closely spaced multiple modes and has good noise performance. The scheme is tested on simulated signals and on a real power system example

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ID Code: 1876
Item Type: Conference Paper
DOI: 10.1109/ICASSP.2000.860173
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > ELECTRICAL AND ELECTRONIC ENGINEERING (090600) > Signal Processing (090609)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Copyright Owner: Copyright 2000 IEEE
Copyright Statement: 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.
Deposited On: 29 Aug 2006
Last Modified: 23 Jun 2011 05:17

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