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Sba: Controle & Automação Sociedade Brasileira de Automatica
Print version ISSN 0103-1759
MACEDO JR., José Rubens and SIMONETTI, Domingos S. L.. Performance analysis of flickermeter in the presence of interharmonic components. Sba Controle & Automação [online]. 2012, vol.23, n.4, pp. 508-519. ISSN 0103-1759. http://dx.doi.org/10.1590/S0103-17592012000400010.
Until the beginning of the first decade of this century it was believed that the appearance of the phenomenon of voltage fluctuation, and eventually flicker, was necessarily related to the abrupt changes, repetitive or random, in reactive power required by some loads like, for example, electric arc furnaces and hot strip mills. Concomitantly, the IEC flickermeter protocol was developed in this specific context. In this sense, the present paper shows some simulation results, as well as results obtained in the laboratory, showing problems in the quantification of voltage fluctuations by the IEC flickermeter, when interharmonic voltages are superimposed on the fundamental frequency.
Keywords : Flickermeter; interharmonics.