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Abstract: This paper proposes two different methods for measurement of subharmonic components in voltage and current waveforms in power systems. The paper first proposes a definition of the subharmonic group compatible with the standard of the International Electrotechnical Commission IEC 61000-4-7, as a grouping of spectral bins lower than the fundamental frequency resulting from the application of Discrete Fourier Transform. Then it presents a new method based on the Wavelet-Packet Transform to compute the magnitude of this subharmonic group. The performance of the two methods are compared in different measurement conditions.
Authorship: Diego R., Barros J.,
Fuente: Measuremen, 2010, 43(10), 1603-1608
Publisher: Elsevier
Year of publication: 2010
No. of pages: 6
Publication type: Article
DOI: 10.1016/j.measurement.2010.09.012
ISSN: 0263-2241,1873-412X
Spanish project: DPI2006-15083-C02-01
Publication Url: https://doi.org/10.1016/j.measurement.2010.09.012
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RAMON IGNACIO DIEGO GARCIA
JULIO BARROS GUADALUPE
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