Analysis of disturbances in power systems

Details Analysis of disturbances in power systems Analysis of disturbances in power systems

G - Physics

06

F

G06F 17/14 (2006.01) G06F 17/00 (2006.01)

Patent

CA 2072403

A method for extracting, after data collection (DC) of a sampled analog signal (x(k)), a logical description of the signal by identification of the state (A, ~) of the signal, that is, the amplitude and phase of the signal, as well as an event (.DELTA.A, .DELTA.~, k=h) which causes a change of a state at a sample k=h, that the identification (SE) is performed with the aid of a truncated general Fourier series with an exponentially decreasing constant, and that the identified parameters are supplied as input data to an expert system (ES) for forming the basis of a superordinate fault analysis together with binary data originating from other signals, the result thereof then being readable on a user interface (UI) (Fig. 6).

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