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Title: A comparison of power system signal detrending algorithms
Authors: Rao, K.
Shubhanga, K.N.
Issue Date: 2018
Citation: 2017 7th International Conference on Power Systems, ICPS 2017, 2018, Vol., , pp.404-409
Abstract: Wide Area Measurement Systems (WAMS) have facilitated tracking of oscillations in power system response signals. This has provided an impetus for application of signal measurement-based modal detection methods such as matrix pencil and Prony analysis. Detrending, which means removal of trend in a signal, is a pre-requisite for effective functioning of these modal detection methods. In this work, performance of three methods of detrending viz., Center-of-Inertia (COI)-based detrending, MATLAB function-based detrending and 'Zhou' detrending are compared with particular reference to power system signals. It is indicated that COI-based detrending is better suited to detection of modes from slip signals of generators. � 2017 IEEE.
Appears in Collections:2. Conference Papers

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