Power Disturbances Analysis Based on Wavelet Modulus Maxima and Lipschitz Regularity
Abstract
In the practical application of power grid operation and engineering, it will be inevitable for power grid to have some disturbances, such as sudden power off signal, voltage swell signal, voltage sag signal, voltage spike, voltage transient oscillation signal and signals mixed with various disturbances occurring in the same time. This paper utilizes wavelet modulus maximum transform and Lipchitz index to extra modulus maximum at multiple scales. By calculating the effective value of the modulus maxima, we can quantitatively analyze various kinds of interference when they occur and their values.
Keywords
Voltage Quality; Wavelet Transforms; Lipschitz; Modulus Maxima; Voltage; Effective Value
DOI
10.12783/dtmse/msce2016/10523
10.12783/dtmse/msce2016/10523
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