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Comparative review of methods for stability monitoring in electrical power systems and vibrating structures

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3 Author(s)
Thambirajah, J. ; Imperial Coll. London, London, UK ; Barocio, E. ; Thornhill, N.F.

This study provides a review of methods used for stability monitoring in two different fields, electrical power systems and vibration analysis, with the aim of increasing awareness of and highlighting opportunities for cross-fertilisation. The nature of the problems that require stability monitoring in both fields are discussed here as well as the approaches that have been taken. The review of power systems methods is presented in two parts: methods for ambient or normal operation and methods for transient or post-fault operation. Similarly, the review of methods for vibration analysis is presented in two parts: methods for stationary or linear time-invariant data and methods for non-stationary or non-linear time-variant data. Some observations and comments are made regarding methods that have already been applied in both fields including recommendations for the use of different sets of algorithms that have not been utilised to date. Additionally, methods that have been applied to vibration analysis and have potential for power systems stability monitoring are discussed and recommended.

Published in:

Generation, Transmission & Distribution, IET  (Volume:4 ,  Issue: 10 )