Generalized Likelihood Ratio Test for Voltage Dip Detection

descriptionPublicationkeyboard_double_arrow_right Article , Conference object 01 Jan 2010 Italy Publisher:Institute of Electrical and Electronics Engineers (IEEE)Journal:IEEE Transactions on Instrumentation and Measurement, volume 60, pages 1,644-1,653 (issn: 0018-9456,

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Authors: Antonio Moschitta; Paolo Carbone; Carlo Muscas;

doi: 10.1109/tim.2011.2113110 , 10.1109/imtc.2010.5488097

handle: 11584/181 , 11584/26086 , 11391/362294 , 11391/168072

Generalized Likelihood Ratio Test for Voltage Dip Detection

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Abstract

An alternative detection algorithm, based on the generalized likelihood ratio test (GLRT), is proposed for the detection of voltage dips in power systems. The proposed method is compared to the classical approaches based on the voltage root mean square. It is shown that the GLRT may provide competitive performance in terms of capability of correctly detecting the dip starting instant. A DSP-based experimental setup for the implementation of the method is also presented.

Country

Italy

Related Organizations

University of Perugia
Italy
University of Cagliari
Italy

Keywords

voltage dips; generalized likelihood ratio test (GLRT); power quality, Detection; Generalized Likelihood Ratio Test (GLRT); IEC 61000-4-30; Power Quality; Voltage Dips, detection; Generalized Likelihood Ratio Test (GLRT); IEC 61000-4-30; Power Quality (PQ); Voltage Dips

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