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Ingeniería e Investigación
Print version ISSN 0120-5609
Abstract
ROMERO-L, M.F; GALLEGO, L.E; MULLER, S and MEYER, J. Characterization of non-linear household loads for frequency domain modeling. Ing. Investig. [online]. 2015, vol.35, suppl.1, pp.65-72. ISSN 0120-5609. https://doi.org/10.15446/ing.investig.v35n1Sup.53895.
Component-based harmonic studies in public Low Voltage grids require realistic models of individual loads as well as their typical penetration ratios. As fundamental basis for the development of comprehensive models for residential users, this paper identifies the most commonly used household loads in Colombia. The loads are classified according to their Power Factor Correction (PFC) circuit topology in no-PFC, passive-PFC and active-PFC devices, and a comprehensive set of loads is selected. Their behavior in terms of harmonic emission is characterized by intensive lab measurements with systematically varied supply voltage distortion. Based on several indices, the suitability of different frequency-domain modeling approaches (e.g. constant current source, decoupled and coupled Norton models) is assessed.
Keywords : Harmonic distortion; frequency-domain analysis; load modeling.